Router 1941 Nat with H.323 traffic

Hi expert,
I have the scenario as the diagram:
I want the 192.168.1.50 IP nat to 200.200.200.10 which for network B  with the H323 packet,As what i know there is the Payload problem for the  H323 and been recommend me use the NAT with ALG.May i know more detail  on how to implement this?Urgent
thanks
-Gilbert

Hi,
Add in 1 thing the equipment is the Video Conferencing product.
thks
-gilbert

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    NOTE
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    This post will deal with what you may need to look at.
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    Getting your router started with iChat.
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    NAT Sometimes called NAPT and related to Port Forwarding (also Virtual Server or Pin Holes)
    These settings are usually found in an Advanced setting.
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    iChat uses TCP and UDP so some devices will need the settings done twice, once for each protocol.
    See Apple Doc 93208 for more information.
    Note:
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    UPnP Universal Plug n Play.
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    The ports and their function within iChat. (my pesonal Web pages again)
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  • Route or NAT problem?

    Hi Everyone,
    We have an ASA 5540 at our data center, with ASA 5505's at most remote sites.
    At the sites without layer 3 switches behind the ASA 5505's, we can't reach the data center internal network through the ASA for flow-export, etc.
    So, what I'm basically saying is, even though the tunnel is up and everything behind the branch ASA can reach the data center networks fine, the ASA itself cannot reach hosts on the data center network.
    I'm hoping to configure these ASA 5505's so I can do flow export and SNMP logging from them, but without this routing or nat problem resolved, they just won't do it.
    Doing a packet tracer from the ASA 5505 to the data center server I'm most focused on, reveals this:
    BRANCH5505f01# packet input inside icmp 10.15.16.1 8 0 10.1.1.15 detailed
    Phase: 1
    Type: ACCESS-LIST
    Subtype:
    Result: ALLOW
    Config:
    Implicit Rule
    Additional Information:
    Forward Flow based lookup yields rule:
    in  id=0xcb0b6698, priority=1, domain=permit, deny=false
            hits=1004755, user_data=0x0, cs_id=0x0, l3_type=0x8
            src mac=0000.0000.0000, mask=0000.0000.0000
            dst mac=0000.0000.0000, mask=0100.0000.0000
            input_ifc=inside, output_ifc=any
    Phase: 2
    Type: ROUTE-LOOKUP
    Subtype: input
    Result: ALLOW
    Config:
    Additional Information:
    in   10.1.1.15       255.255.255.255 outside
    Phase: 3
    Type: ROUTE-LOOKUP
    Subtype: input
    Result: ALLOW
    Config:
    Additional Information:
    in   0.0.0.0         0.0.0.0         outside
    Result:
    input-interface: inside
    input-status: up
    input-line-status: up
    output-interface: outside
    output-status: up
    output-line-status: up
    Action: drop
    Drop-reason: (rpf-violated) Reverse-path verify failed
    I am thinking the problem is NAT related, but with the new ASA NAT rule format due to v9.1... struggling to get a grip on where it is... any thoughts/help are appreciated.
    Ken
    Here is the relevant config for the Branch ASA and also the relevant config from the data center ASA:
    Branch ASA Config Parts:
    : Saved
    ASA Version 9.1(2)
    hostname BRANCHASA5505
    xlate per-session deny tcp any4 any4
    xlate per-session deny tcp any4 any6
    xlate per-session deny tcp any6 any4
    xlate per-session deny tcp any6 any6
    xlate per-session deny udp any4 any4 eq domain
    xlate per-session deny udp any4 any6 eq domain
    xlate per-session deny udp any6 any4 eq domain
    xlate per-session deny udp any6 any6 eq domain
    names
    interface Ethernet0/0
    switchport access vlan 2
    interface Ethernet0/1
    speed 100
    duplex full
    interface Ethernet0/2
    interface Ethernet0/3
    interface Ethernet0/4
    interface Ethernet0/5
    interface Ethernet0/6
    interface Ethernet0/7
    interface Vlan1
    description LAN_NETWORK
    nameif inside
    security-level 100
    ip address 10.15.6.1 255.255.254.0
    interface Vlan2
    nameif outside
    security-level 0
    ip address <outside ip> 255.255.255.248
    same-security-traffic permit inter-interface
    same-security-traffic permit intra-interface
    object network obj_any
    subnet 0.0.0.0 0.0.0.0
    object-group network BRANCH_NETWORKS
    description BRANCH LOCAL NETWORKS
    network-object 10.15.6.0 255.255.254.0
    object-group network LAN_NETWORKS
    network-object 10.0.0.0 255.0.0.0
    network-object 134.200.131.0 255.255.255.0
    network-object 134.200.220.0 255.255.255.0
    network-object 134.201.2.0 255.255.255.0
    network-object 163.243.195.0 255.255.255.0
    network-object 172.16.0.0 255.240.0.0
    network-object 192.168.0.0 255.255.0.0
    network-object 10.1.3.0 255.255.255.0
    network-object 10.31.2.0 255.255.255.0
    network-object 10.1.1.0 255.255.255.0
    network-object 172.26.1.0 255.255.255.0
    object-group network NETWORK_MGMT
    network-object 10.0.0.0 255.0.0.0
    access-list DATACENTER_VPN_ACL remark *******************************************************************
    access-list DATACENTER_VPN_ACL remark * FOR VPN CONNECTION TO DATACENTER/VEYANCE NETWORKS *
    access-list DATACENTER_VPN_ACL remark *******************************************************************
    access-list DATACENTER_VPN_ACL extended permit ip host <outside ip> host <outside ip datacenter asa>
    access-list DATACENTER_VPN_ACL extended permit ip object-group BRANCH_NETWORKS object-group LAN_NETWORKS
    access-list INSIDE_NONAT extended permit ip object-group BRANCH_NETWORKS object-group LAN_NETWORKS
    access-list INSIDE_FILTER extended permit tcp any4 any4 eq www
    access-list INSIDE_FILTER extended permit tcp any4 any4 eq 8080
    logging host inside 10.1.1.15
    flow-export destination inside 10.1.1.15 2055
    ip verify reverse-path interface inside
    ip verify reverse-path interface outside
    nat (inside,outside) source static LAN_NETWORKS LAN_NETWORKS destination static BRANCH_NETWORKS BRANCH_NETWORKS route-lookup
    nat (inside,outside) source static BRANCH_NETWORKS BRANCH_NETWORKS destination static NETWORK_MGMT NETWORK_MGMT route-lookup
    nat (inside,outside) source dynamic any interface
    object network obj_any
    nat (inside,outside) dynamic interface
    access-group FROM_OUTSIDE in interface outside
    route outside 0.0.0.0 0.0.0.0 <outside ip gateway> 1
    route outside 10.1.1.15 255.255.255.255 <outside ip datacenter asa> 1
    management-access inside
    threat-detection basic-threat
    threat-detection statistics access-list
    no threat-detection statistics tcp-intercept
    tunnel-group <outside ip datacenter asa> type ipsec-l2l
    tunnel-group <outside ip datacenter asa> ipsec-attributes
    ikev1 pre-shared-key *****
    class-map type regex match-any DomainBlockList
    match regex DomainList-Netflix
    class-map type inspect http match-all BlockDomainsClass
    match request header host regex class DomainBlockList
    class-map inspection_default
    match default-inspection-traffic
    class-map httptraffic
    match access-list INSIDE_FILTER
    policy-map type inspect dns preset_dns_map
    parameters
      message-length maximum client auto
      message-length maximum 512
    policy-map type inspect http http_inspection_policy
    parameters
      protocol-violation action log
    class BlockDomainsClass
      reset log
    policy-map URL-filter-policy
    class httptraffic
      inspect http http_inspection_policy
    policy-map global_policy
    class inspection_default
      inspect dns preset_dns_map
      inspect ftp
      inspect h323 h225
      inspect h323 ras
      inspect rsh
      inspect rtsp
      inspect esmtp
      inspect sqlnet
      inspect skinny
      inspect sunrpc
      inspect xdmcp
      inspect sip
      inspect netbios
      inspect tftp
      inspect ip-options
      inspect http
    class class-default
      flow-export event-type all destination 10.1.1.15
    service-policy URL-filter-policy interface inside
    prompt hostname context
    Datacenter ASA Config Parts:
    ASA Version 9.0(1)
    hostname DATACENTERASA5540
    xlate per-session deny tcp any4 any4
    xlate per-session deny tcp any4 any6
    xlate per-session deny tcp any6 any4
    xlate per-session deny tcp any6 any6
    xlate per-session deny udp any4 any4 eq domain
    xlate per-session deny udp any4 any6 eq domain
    xlate per-session deny udp any6 any4 eq domain
    xlate per-session deny udp any6 any6 eq domain
    xlate per-session deny tcp any4 any4
    xlate per-session deny tcp any4 any6
    xlate per-session deny tcp any6 any4
    xlate per-session deny tcp any6 any6
    xlate per-session deny udp any4 any4 eq domain
    xlate per-session deny udp any4 any6 eq domain
    xlate per-session deny udp any6 any4 eq domain
    xlate per-session deny udp any6 any6 eq domain
    names
    interface GigabitEthernet0/0
    description *** TO OUTSIDE NETWORK AT DATACENTER ***
    speed 100
    duplex full
    nameif OUTSIDE
    security-level 0
    ip address <outside ip>
    interface GigabitEthernet0/1
    description *** TO INSIDE NETWORK ***
    nameif INSIDE
    security-level 100
    ip address 10.1.3.2 255.255.255.0
    same-security-traffic permit inter-interface
    same-security-traffic permit intra-interface
    object-group network LAN_NETWORKS
    network-object 10.0.0.0 255.0.0.0
    network-object 134.200.131.0 255.255.255.0
    network-object 134.200.220.0 255.255.255.0
    network-object 134.201.2.0 255.255.255.0
    network-object 163.243.195.0 255.255.255.0
    network-object 172.16.0.0 255.240.0.0
    network-object 192.168.0.0 255.255.0.0
    network-object 10.1.3.0 255.255.255.0
    network-object 10.31.2.0 255.255.255.0
    network-object 10.1.1.0 255.255.255.0
    network-object 172.26.1.0 255.255.255.0
    object-group network DATACENTER_NETWORKS
    network-object 10.1.0.0 255.255.0.0
    object-group network BRANCH_NETWORKS
    network-object 10.15.6.0 255.255.254.0
    access-list BRANCH_VPN_ACL remark ****************************************************
    access-list BRANCH_VPN_ACL remark *  FOR SITE TO SITE VPN TO BRANCH WV USA  *
    access-list BRANCH_VPN_ACL remark ****************************************************
    access-list BRANCH_VPN_ACL extended permit ip host <outside ip> host <outside ip branch asa>
    access-list BRANCH_VPN_ACL extended permit ip object-group LAN_NETWORKS object-group BRANCH_NETWORKS
    flow-export destination INSIDE 10.1.1.15 2055
    flow-export template timeout-rate 1
    flow-export delay flow-create 180
    ip verify reverse-path interface OUTSIDE
    ip verify reverse-path interface INSIDE
    no failover
    nat (INSIDE,OUTSIDE) source static LAN_NETWORKS LAN_NETWORKS destination static BRANCH_NETWORKS BRANCH_NETWORKS route-lookup
    access-group FROM_OUTSIDE in interface OUTSIDE
    route OUTSIDE 0.0.0.0 0.0.0.0 <outside ip> 1
    route INSIDE 10.0.0.0 255.0.0.0 10.1.3.1 1
    route OUTSIDE 10.15.6.0 255.255.254.0 <outside ip branch asa> 1
    crypto map OUTSIDE-MAP 156 match address BRANCH_VPN_ACL
    crypto map OUTSIDE-MAP 156 set pfs
    crypto map OUTSIDE-MAP 156 set peer <outside ip branch asa>
    crypto map OUTSIDE-MAP 156 set ikev1 transform-set ESP-3DES-MD5 ESP-3DES-SHA
    tunnel-group <outside ip branch asa> type ipsec-l2l
    tunnel-group <outside ip branch asa> ipsec-attributes
    ikev1 pre-shared-key *****
    class-map inspection_default
    match default-inspection-traffic
    policy-map type inspect dns preset_dns_map
    parameters
      message-length maximum client auto
      message-length maximum 512
    policy-map global_policy
    class inspection_default
      inspect dns preset_dns_map
      inspect ftp
      inspect h323 h225
      inspect h323 ras
      inspect rsh
      inspect rtsp
      inspect esmtp
      inspect sqlnet
      inspect skinny
      inspect sunrpc
      inspect xdmcp
      inspect sip
      inspect netbios
      inspect tftp
      inspect ip-options
    class class-default
      flow-export event-type all destination 10.1.1.15
      user-statistics accounting
    service-policy global_policy global
    smtp-server 172.19.1.137
    prompt hostname context
    call-home reporting anonymous
    Again, any help you can provide is appreciated... will vote for best...

    I ran it, with the source IP corrected (it is 10.15.6.2):
    BRANCHASA# packet input inside icmp 10.15.6.2 8 0 10.1.1.15 detailed
    Phase: 1
    Type: ACCESS-LIST
    Subtype:
    Result: ALLOW
    Config:
    Implicit Rule
    Additional Information:
    Forward Flow based lookup yields rule:
    in  id=0xcb0b6698, priority=1, domain=permit, deny=false
            hits=1203279, user_data=0x0, cs_id=0x0, l3_type=0x8
            src mac=0000.0000.0000, mask=0000.0000.0000
            dst mac=0000.0000.0000, mask=0100.0000.0000
            input_ifc=inside, output_ifc=any
    Phase: 2
    Type: ROUTE-LOOKUP
    Subtype: input
    Result: ALLOW
    Config:
    Additional Information:
    in   0.0.0.0         0.0.0.0         outside
    Phase: 3
    Type: UN-NAT
    Subtype: static
    Result: ALLOW
    Config:
    nat (inside,outside) source static BRANCH_NETWORKS BRANCH_NETWORKS destination static NETWORK_MGMT NETWORK_MGMT route-lookup
    Additional Information:
    NAT divert to egress interface outside
    Untranslate 10.1.1.15/0 to 10.1.1.15/0
    Phase: 4
    Type: ROUTE-LOOKUP
    Subtype: input
    Result: ALLOW
    Config:
    Additional Information:
    in   10.15.6.0       255.255.254.0   inside
    Phase: 5
    Type: NAT
    Subtype:
    Result: ALLOW
    Config:
    nat (inside,outside) source static BRANCH_NETWORKS BRANCH_NETWORKS destination static NETWORK_MGMT NETWORK_MGMT route-lookup
    Additional Information:
    Static translate 10.15.6.2/0 to 10.15.6.2/0
    Forward Flow based lookup yields rule:
    in  id=0xcb12f2f0, priority=6, domain=nat, deny=false
            hits=15824, user_data=0xcb0fdef8, cs_id=0x0, flags=0x0, protocol=0
            src ip/id=10.15.6.0, mask=255.255.254.0, port=0, tag=0
            dst ip/id=10.0.0.0, mask=255.0.0.0, port=0, tag=0, dscp=0x0
            input_ifc=inside, output_ifc=outside
    Phase: 6
    Type: NAT
    Subtype: per-session
    Result: ALLOW
    Config:
    Additional Information:
    Forward Flow based lookup yields rule:
    in  id=0xcaa712e0, priority=0, domain=nat-per-session, deny=true
            hits=77610, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
            src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0
            dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0, dscp=0x0
            input_ifc=any, output_ifc=any
    Phase: 7
    Type: IP-OPTIONS
    Subtype:
    Result: ALLOW
    Config:
    Additional Information:
    Forward Flow based lookup yields rule:
    in  id=0xcb0bc128, priority=0, domain=inspect-ip-options, deny=true
            hits=91404, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
            src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0
            dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0, dscp=0x0
            input_ifc=inside, output_ifc=any
    Phase: 8
    Type: INSPECT
    Subtype: np-inspect
    Result: ALLOW
    Config:
    Additional Information:
    Forward Flow based lookup yields rule:
    in  id=0xcb0bbc28, priority=66, domain=inspect-icmp-error, deny=false
            hits=4585, user_data=0xcb0bb238, cs_id=0x0, use_real_addr, flags=0x0, protocol=1
            src ip/id=0.0.0.0, mask=0.0.0.0, icmp-type=0, tag=0
            dst ip/id=0.0.0.0, mask=0.0.0.0, icmp-code=0, tag=0, dscp=0x0
            input_ifc=inside, output_ifc=any
    Phase: 9
    Type: VPN
    Subtype: encrypt
    Result: ALLOW
    Config:
    Additional Information:
    Forward Flow based lookup yields rule:
    out id=0xcb0c1218, priority=70, domain=encrypt, deny=false
            hits=708, user_data=0xbf63c, cs_id=0xcb9ad918, reverse, flags=0x0, protocol=0
            src ip/id=10.15.6.0, mask=255.255.254.0, port=0, tag=0
            dst ip/id=10.0.0.0, mask=255.0.0.0, port=0, tag=0, dscp=0x0
            input_ifc=any, output_ifc=outside
    Phase: 10
    Type: NAT
    Subtype: rpf-check
    Result: ALLOW
    Config:
    nat (inside,outside) source static BRANCH_NETWORKS BRANCH_NETWORKS destination static NETWORK_MGMT NETWORK_MGMT route-lookup
    Additional Information:
    Forward Flow based lookup yields rule:
    out id=0xcb12fb00, priority=6, domain=nat-reverse, deny=false
            hits=15837, user_data=0xcb124438, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
            src ip/id=10.15.6.0, mask=255.255.254.0, port=0, tag=0
            dst ip/id=10.0.0.0, mask=255.0.0.0, port=0, tag=0, dscp=0x0
            input_ifc=inside, output_ifc=outside
    Phase: 11
    Type: FLOW-CREATION
    Subtype:
    Result: ALLOW
    Config:
    Additional Information:
    New flow created with id 143081, packet dispatched to next module
    Module information for forward flow ...
    snp_fp_tracer_drop
    snp_fp_inspect_ip_options
    snp_fp_translate
    snp_fp_adjacency
    snp_fp_encrypt
    snp_fp_fragment
    snp_ifc_stat
    Module information for reverse flow ...
    Result:
    input-interface: inside
    input-status: up
    input-line-status: up
    output-interface: outside
    output-status: up
    output-line-status: up
    Action: allow

  • Update to kichat: FAQ 2 - How to get my router to work with iChat?

    kichat: FAQ 2 - How to get my router to work with iChat? December 2008 version 3
    (Note to Hosts. to be removed on acceptance. Please use this to replace http://discussions.apple.com/thread.jspa?threadID=121775 )
    Getting your router started with iChat.
    Appropriate for using iChatAV 2 upwards. Edits have been made for iChat 4
    Glossary for this FAQ
    Routers: Any configurable device that sits between your computer and the internet link you have. This includes Modems that Route as well as "routers"
    Routers seem to fall into two categories
    Those that work straight from the box. See Apple Article HT1787
    NOTE :This Article has not been updated in content since Jan 04 Only being changed to an Article from the Previous Doc listing
    Even then some list that they need tweaks.
    and those that do not.
    This post will deal with what you may need to look at.
    First off make sure your device is acting as a DHCP server. (if you are already on the internet you may not have to bother with this.)
    Check in the Tiger System Preferences > Network Preference Pane, in the "Built in Ethernet" option from the "Show" drop down list.
    In Leopard the Networks are listed on the left with icons. The Airport Option will need you to access the Advance Button for the Next bit.
    Make sure the TCP/IP tab is the 'front' one. You should be able to see Configure IPv4 and it most likely reads Using DCHP. Make a note of your IP address. It will start 10.xxx.xxx.xxx or 192.168.xxx.xxx (the 'x' s will stand for any number between 1 and 255). The range 172.16.xxx.xxx is also a possible value at this point. Rarely used, but it is part of the RFC for Address Allocation for Private Internets.
    Your router is most likely to be configurable from your browser. You will need to find the IP address to type into the browser from any Readme or PDF files that came on the install disk or visit the makers website and download a manual.
    The Port Forward.com site lists many devices and clicking on one will take you to a list of Applications. This iChat will open an page that will start by telling you the defaults to access the device
    Opening or Allowing ports. Several Methods not all devices have all of them.
    DMZ (Demilitarised Zone)
    This is a less secure setting that basically opens all ports and points the incoming data to your computer. (not helpful if you have more than one computer on your LAN). It can be considered as an extreme form of Port Forwarding
    Port Forwarding (also Virtual Server or Pin Holes)
    These settings are usually found in an Advanced setting.
    You may need to set an incoming IP address (Usually 0.0.0.0 to any outside server), a port that data will arrive on, the Inside computer's IP address (your computer) and the port it will deal with the data on and the protocol it will use.
    See this pic for an example of the description above.
    In this example shows that on some Port AND Protocols need to be listed.
    iChat uses TCP and UDP so some devices will need the ports listed one by one and some settings done twice, once for each protocol. The example above has a "Both" setting
    See Apple Article HT1507 Previously Doc 93208 for more information. This is the Tiger iChat 3 list. The same ports are needed for Leopard except for these changes
    My Note 2:
    On the first link Note 1 under tables in that link would be better if it read:
    " 1. All iChat AV traffic is UDP -
    except for ports 5190 and 5298, which need to be open for both TCP as well;
    and 5220, 5222, which need to be open for TCP only. "
    Note 2
    GoggleTalk needs port 5223 on TCP. Also note the Server name for iChat 3 set ups
    UPnP Universal Plug n Play.
    This is a simple Plug and Play type of setting. iChat can find it's own way through a router if the device has this capability.
    By Not doing Port Forwarding, Triggering or DMZ and enabling UPnP the application is allowed to control the modem and the ports that are open.
    They close after the application has finished with them on a timed basis.
    On some devices the number of "hops" (how far away the UPnP can be "seen") can be reduced from a default of 4)
    Trigger Ports
    Some devices offer a security measure that works by a first or trigger port receiving a data packet and then opening further ports when accepted.
    The first port for incoming Video or Audio invites is port 5678.
    Pre iChat 4
    When you click on the invite window the process moves in to port 5060 (so these will need to be opened by the trigger port) for negotiating the final group of ports from the group of 20 (16384-16403 These will need to open when the trigger says so as well). Therefore port 5678 triggers ports 5678, 5060, 16384-16403. All on UDP. Port 5190 neeeds to trigger port 5190 for both TCP and UDP.
    See this variation where only the ports listed above are completed.
    The other single ports need to be set one by one in addition. (5220,5222, 5223 5297, 5298, 5353)Replace
    iChat 4
    The port used in IChat 4 is port 16402 instead of port 5060. The group of 20 ports is reduced to 10 (16393-16402). This is because all the In and Out Audio and Video data is on one port. Other that than the settings are the same.
    At this time there is no Info on the ports the Screen Sharing in iChat 4 uses.
    Wireless
    Here you will have to read around but this Apple Article TA25949 Previously Doc 58514 might be a good starting place.
    Essentially whether you are wireless or Ethernet to your routing device makes very little difference to the way you do things.
    Your computer will get two IPs from a DHCP server if you are connected by both methods. (iChat does not like this)
    Multiple devices
    Make sure only one is acting as a DHCP server. Make sure wireless devices are bridged properly.
    Further Help
    I have found that this site (ADSLGuide) to be helpful.
    It is British based but I have linked you to the Apple Related Discussions Forum.
    Eliminating Problems on my Personal web pages.
    The ports and their function within iChat. (my personal Web pages again)
    This is not a step by step approach. You will have to read around the information about your device.
    Collected FAQs and Expansions: Index Page Based on FAQs here by EZ Jim and myself
    Also http://www.portforward.com/routers.htm for instructions with Pics on Port Forwarding and access info as mentioned earlier.
    Click on your device.
    Select iChat on the next page.
    Follow the info on the next.
    This site is godd for finding out the Default IP to use in a web browser and the default User ID and Passwords needed to do so.
    Gives you a chance to look at at pics to give clues to where some of these other things are.
    With thanks to Macmuse for comment on the Original (Aug 23rd 2004)
    and to EZ Jim for his work on iSights on my web pages.
    I may receive some form of compensation, financial or otherwise, from my recommendation or link.
    9:51 PM Saturday; December 6, 2008

    kichat: FAQ 2 - How to get my router to work with iChat? December 2008 version 3
    (Note to Hosts. to be removed on acceptance. Please use this to replace http://discussions.apple.com/thread.jspa?threadID=121775 )
    Getting your router started with iChat.
    Appropriate for using iChatAV 2 upwards. Edits have been made for iChat 4
    Glossary for this FAQ
    Routers: Any configurable device that sits between your computer and the internet link you have. This includes Modems that Route as well as "routers"
    Routers seem to fall into two categories
    Those that work straight from the box. See Apple Article HT1787
    NOTE :This Article has not been updated in content since Jan 04 Only being changed to an Article from the Previous Doc listing
    Even then some list that they need tweaks.
    and those that do not.
    This post will deal with what you may need to look at.
    First off make sure your device is acting as a DHCP server. (if you are already on the internet you may not have to bother with this.)
    Check in the Tiger System Preferences > Network Preference Pane, in the "Built in Ethernet" option from the "Show" drop down list.
    In Leopard the Networks are listed on the left with icons. The Airport Option will need you to access the Advance Button for the Next bit.
    Make sure the TCP/IP tab is the 'front' one. You should be able to see Configure IPv4 and it most likely reads Using DCHP. Make a note of your IP address. It will start 10.xxx.xxx.xxx or 192.168.xxx.xxx (the 'x' s will stand for any number between 1 and 255). The range 172.16.xxx.xxx is also a possible value at this point. Rarely used, but it is part of the RFC for Address Allocation for Private Internets.
    Your router is most likely to be configurable from your browser. You will need to find the IP address to type into the browser from any Readme or PDF files that came on the install disk or visit the makers website and download a manual.
    The Port Forward.com site lists many devices and clicking on one will take you to a list of Applications. This iChat will open an page that will start by telling you the defaults to access the device
    Opening or Allowing ports. Several Methods not all devices have all of them.
    DMZ (Demilitarised Zone)
    This is a less secure setting that basically opens all ports and points the incoming data to your computer. (not helpful if you have more than one computer on your LAN). It can be considered as an extreme form of Port Forwarding
    Port Forwarding (also Virtual Server or Pin Holes)
    These settings are usually found in an Advanced setting.
    You may need to set an incoming IP address (Usually 0.0.0.0 to any outside server), a port that data will arrive on, the Inside computer's IP address (your computer) and the port it will deal with the data on and the protocol it will use.
    See this pic for an example of the description above.
    In this example shows that on some Port AND Protocols need to be listed.
    iChat uses TCP and UDP so some devices will need the ports listed one by one and some settings done twice, once for each protocol. The example above has a "Both" setting
    See Apple Article HT1507 Previously Doc 93208 for more information. This is the Tiger iChat 3 list. The same ports are needed for Leopard except for these changes
    My Note 2:
    On the first link Note 1 under tables in that link would be better if it read:
    " 1. All iChat AV traffic is UDP -
    except for ports 5190 and 5298, which need to be open for both TCP as well;
    and 5220, 5222, which need to be open for TCP only. "
    Note 2
    GoggleTalk needs port 5223 on TCP. Also note the Server name for iChat 3 set ups
    UPnP Universal Plug n Play.
    This is a simple Plug and Play type of setting. iChat can find it's own way through a router if the device has this capability.
    By Not doing Port Forwarding, Triggering or DMZ and enabling UPnP the application is allowed to control the modem and the ports that are open.
    They close after the application has finished with them on a timed basis.
    On some devices the number of "hops" (how far away the UPnP can be "seen") can be reduced from a default of 4)
    Trigger Ports
    Some devices offer a security measure that works by a first or trigger port receiving a data packet and then opening further ports when accepted.
    The first port for incoming Video or Audio invites is port 5678.
    Pre iChat 4
    When you click on the invite window the process moves in to port 5060 (so these will need to be opened by the trigger port) for negotiating the final group of ports from the group of 20 (16384-16403 These will need to open when the trigger says so as well). Therefore port 5678 triggers ports 5678, 5060, 16384-16403. All on UDP. Port 5190 neeeds to trigger port 5190 for both TCP and UDP.
    See this variation where only the ports listed above are completed.
    The other single ports need to be set one by one in addition. (5220,5222, 5223 5297, 5298, 5353)Replace
    iChat 4
    The port used in IChat 4 is port 16402 instead of port 5060. The group of 20 ports is reduced to 10 (16393-16402). This is because all the In and Out Audio and Video data is on one port. Other that than the settings are the same.
    At this time there is no Info on the ports the Screen Sharing in iChat 4 uses.
    Wireless
    Here you will have to read around but this Apple Article TA25949 Previously Doc 58514 might be a good starting place.
    Essentially whether you are wireless or Ethernet to your routing device makes very little difference to the way you do things.
    Your computer will get two IPs from a DHCP server if you are connected by both methods. (iChat does not like this)
    Multiple devices
    Make sure only one is acting as a DHCP server. Make sure wireless devices are bridged properly.
    Further Help
    I have found that this site (ADSLGuide) to be helpful.
    It is British based but I have linked you to the Apple Related Discussions Forum.
    Eliminating Problems on my Personal web pages.
    The ports and their function within iChat. (my personal Web pages again)
    This is not a step by step approach. You will have to read around the information about your device.
    Collected FAQs and Expansions: Index Page Based on FAQs here by EZ Jim and myself
    Also http://www.portforward.com/routers.htm for instructions with Pics on Port Forwarding and access info as mentioned earlier.
    Click on your device.
    Select iChat on the next page.
    Follow the info on the next.
    This site is godd for finding out the Default IP to use in a web browser and the default User ID and Passwords needed to do so.
    Gives you a chance to look at at pics to give clues to where some of these other things are.
    With thanks to Macmuse for comment on the Original (Aug 23rd 2004)
    and to EZ Jim for his work on iSights on my web pages.
    I may receive some form of compensation, financial or otherwise, from my recommendation or link.
    9:51 PM Saturday; December 6, 2008

  • Routing based on destination IP and traffic type

    Is it possible to route traffic based on the destination IP and the type of traffic?
    ASA5512
    Software 9.2.1
    We have an ASA 5512 that is used as a VPN termination point. Our employees connect from one of our customer sites to this VPN point. The customer also hosts services on the same IP address that our employees use to access our VPN on.
    What I want to do is to use a different route for certain traffic to take to get to these other services provide by our customer, for instance they offer an FTP site and I want to use a different route to get our internal users to this FTP site. Is this possible to achieve?
    Any help would be greatly appreciated.
    Murray

    Technically speaking the ASA doesn't do policy based routing.  However, you might be able to simulate something similar to PBR by using a combination of static routes and NAT.
    If you describe your Network setup, ASA, and how the alternate route is connected to your customer, we might be able to help you better.
    Please remember to select a correct answer and rate helpful posts

  • WRT54GS Router and NAT 3 PS3 Problems

    Ok. I need a lot of help. And yes. I used the search option prior to posting this topic and none of it answered my questions. I did try a few tips I saw firsthand at these topics but it still didn't solve my Nat 3 Problem. Heres my ps3s setup basically. Set the MTU to 1365, in the firewall settings unchecked Block Anonymous Internet Requests, In the Applications and Gaming tab I put my PS3s IP address in the DMZ. Tested my connection on my PS3 and the same NAT 3. I want to **bleep** a brick now because I have been frustrated by this. Googling didn't help. So I am hoping you guys can help me figure this out. FYI: I am changing this setting through the LAN connected from my PC to the router and I have my PS3 wired to the router also. With this NAT 3 problem my downloads are slow as hell and although I haven't tested online gaming yet this will be a huge factor in the lag.

    Try forwarding ports TCP: 80, 443, 5223 UDP: 3478, 3479, 3658 on the rotuer setup page ... See if it works ...

  • Cisco Router 1941 IOS Ugrade

    I have 3 1941 Routers with IOS version 15.1(4)M3(MD). I noticed that the latest releases are into the 15.5's but the stable recommended ones are 15.4's. My question is that are there any pre-req's or suggested upgrades paths before getting 15.3.3M5(MD)? Also same goes for the next stable one 15.4.3M2(ED) and I do know the differences between ED and MD just wasn't sure of the orders. Any help is appreciated.

    Does it matter in a security sense for this choice?
    It matters to me.  If I use an IOS with a "K9" this means I can run SSH and other crypto-related commands.  Very useful.  
    Also is the rommon upgrade update the bootstrap or is it another software type?
    When you boot up an appliance, the bootstrap is run FIRST before the IOS gets loaded into the memory.  So it's another type of software upgrade.  If you are smart, you can upgrade the bootstrap AND the IOS with one reboot of the appliance.  And this is how it's done: 
    1. Copy the IOS into the appliance. Do everything you need to do, like change the boot variable string (if required) but DO NOT REBOOT the appliance just yet;
    2. Upgrade the ROMmon using the command: upgrade rom-monitor file tftp://<TFTP IP address>/bootstrap_filename
    When you upgrade the bootstrap the router will automatically reboot the appliance.  So, one reboot only.

  • WAE- 674 with EMC SRDF Traffic Question ?

    Hi all,
    I have a WAAS demo at a customer.
    I have installed two WAE 674 boxes inline, at both ends of a 50mbps Metro Ethernet line between two EMC SANs. These EMC storages perform huge data replication during the day. All of the traffic  is EMC SRDF traffic, nothing else.
    Before putting the WAEs inline, the Metro line utilization had been around 49Mbps, ok so the WAN link was fully utilized.  WAE 674s installed and bandwidth usage has dropped %12 percent, something around 44 Mbps.
    EMC guys are telling me that, before WAAS, it used to take 7 hours to copy a 40GB data from one site to the other, with WAAS it came down to 1.5 hours. So yeah I know story is great so far.
    What I dont understand is the attached graphics taken from CM, WAE1 and WAE2. All I see is %20 reduction in original traffic. Shouldnt this value be much greater than that ? Otherwise what could be the reason of having much shorter replication times compared to before ?
    I have gone through couple of datasheets and marketing slides about WAEs and I have seen that with EMC replication traffic WAAS causes at least 2x optimization.
    Both WAEs have default configs, so I havent customized anything in the SRDF classifier on WAAS.
    I would really appreciate it, if some of you , can go through the screenshots that I attached and give me some thoughts and diretion to what value to customized and etc.
    Thanks in advance.
    Dumlu

    You will want to explore CSCsg30875 to see how it applies to your installation
    CSCsg30875 wccp blocking telnet to router
    Since 12.3T is EOL, it probably was not tested and may or may not exist in that Cisco IOS track.
    End-of-Sale and End-of-Life Announcement for Cisco IOS Software Release 12.3T
    http://www.cisco.com/en/US/prod/collateral/iosswrel/ps8802/ps6947/ps5207/prod_bulletin0900aecd803a0ffe.html
    Thank You,
    Dan Laden

  • Add Wireless N Router To Network With An Actiontec Router

    Hi everyone, I know this wireless N thing is being beaten to death but I just really need to be pointed in the right direction.  I recently built a HTPC setup with a SiliconDust HD Homerun network tuner so I could share three tuners with computers on my network.  I've got two PCs wired to the network right now which share them fine.  But the problem I'm running into is when I try to set up my laptop to watch something wirelessly, usually a game in HD.  The signal is very weak and I constantly lose the tuners because of that, not to mention the picture is very choppy.  I saw on a Microsoft Windows Media Center site that they don't recommend streaming HD TV feeds over anything other than a wireless N connection.  I currently have the standard Actiontec router that came with FiOS, and it doesn't the N band.  Now, that router accesses the internet signal through a coax so I know I can't get rid of it, but I've seen mentioned in a couple of places that you can just add a wireless N router into the network and turn off the wireless on the Actiontec router.  This is the router I was thinking of getting:
    http://www.bestbuy.com/site/Cisco+Linksys+-+E1200+Wireless-N+Router+with+4-Port+Ethernet+Switch/2225...
    My current network setup is like this: Actiontec router upstairs which carries internet to -> a gigabit switch connected to -> computer, tuners, and printer upstairs, with a line run to -> another gigabit switch downstairs which connects to -> a computer, and an XBox. 
    So a couple of questions about this:
    - Where would this go on the network?  Would it go after the router and before the switches, like I run the internet into the new router then out to the switch, or can I just add it to one of the switches?
    - Will I need to do any sort of port forwarding or anything, or assiging of IP addresses?
    - Anything else I should know or might run into?
    I love my FiOS service so hopefully this will help me get even more out of it!
    Solved!
    Go to Solution.

    I wanted to upgrade to an N protocol wireless router but since Verizon doesn’t offer the option, I purchased a Netgear N600. Unfortunately, after it arrived, I discovered that it didn’t have a coax connection as did the Verizon Actiontec. I then set out to find out how to daisy chain the routers to leave the Actiontec connected to the coax and connect the two routers via Ethernet cable. To my good fortune, during the time I spent on the phone with Netgear, I learned my way around their router interface and with the help of a co-worker that actually has a solid understanding of router/network configuration, I finally got everything working correctly – my port forwarding for RDC login worked, I could connect devices to either router and everything could once again see each other (e.g. PC, printer via Ethernet, Blu-ray player for Netflix, receiver for streaming Windows Media Player). Hopefully, this post will help you get up and running quickly and avoid the several hours I spent groping in the dark for the correct configuration.
    Login to Verizon Actiontec router (type 192.168.1.1 into browser address bar).
    No configuration changes are necessary on the Actiontec, you just need to identify an open IP address range in My Network section (I chose 192.168.1.50). This will be used as your static IP address of the Netgear router LAN settings.
    Connect you PC via Ethernet cable directly into an Ethernet port (not WAN/Internet) on the Netgear router. No other connections are needed at this point.
    Note: Do not use the Netgear wizard CD to setup the router. It will not take you through the necessary steps as you’re not setting it up as a router.
    Login to the Netgear router (type routerlogin.net into the browser address bar) using the default login of “admin” and password “password”. Depending on your firmware version, your interface may vary but hopefully you’ll be able to find the same configuration options in either but perhaps not in the same order or placement. For subsequent logins after the router is active, you may need to type the Netgear IP address (e.g. 192.168.1.50) as routerlogin.net may open a search.
    At the top of the Netgear genie, click on the Advanced tab.
    On the left side, expand Setup, then select Internet Setup.
    Select “Get dynamically from ISP”, under Internet IP Address.
    Under Domain Name Server (DNS) Address, select “Use These DNS Servers”, and enter the IP Address of your Actiontec router (e.g. 192.168.1.1) in the Primary DNS” field.
    Next go down a few options  within Setup to Wireless Setup.
    In the Wireless Network 2.4GHz section, click Enable SSID broadcast.
    Enter a meaningful name in “Name (SSID)” as this is what will be displayed for your wireless connection.
    For Channel, select Auto.
    For Mode, select “Up to 300 Mbps”.
    Security Options, recommend WPK2-PSK[AES] for longer/stronger password options.
    Set the password of your choice.
    Repeat the same process for Wireless Network 5GHz, except vary the name slightly so you’ll be able to distinguish which band you’ll connect to. You can optionally use the same or different password as your 2.4GHz. The only exception is you’ll have to select a Channel of your choice.
    Next go down a couple more options within Setup to the LAN Setup.
    In the LAN TCP/IP Setup section, enter the IP Address you chose in step 2 (e.g. 192.168.1.50).
    Enter the IP Subnet Mask 255.255.255.0
    Leave the block for “Use Router as DHCP Server” blank as your IP assignment will be handled by your Actiontec router.
    You’re now finished with the configuration and you can connect the Actiontec router to the Netgear router using an Ethernet cable using the LAN ports (Note: do not connect the two routers using the WAN/Internet ports on either). You may connect your devices (PC, printers, A/V devices, etc.) to either router. If you have devices that are gigabit capable, you’ll want to connect them to the Netgear router to take advantage of the higher speed.
    To avoid any possible interference between the 2.4GHz range of the two routers, you can optionally turn off the Actiontec wireless capability by logging into the Actiontec router admin (described above), go to the My Router tab, and there should be an option for “Change Wireless Settings” in the Quick Links section. Option 1 allows you to turn On/Off the wireless portion of the router.

  • How do I get my router to work with my new modem?

    Since the mods deleted my other post, so no one could see it and think anything bad about linksys's customer service, I will just have to ask a dumb noob question. I am not an IT professional, I am just a regular, non-technical kind of guy. I tried to follow the little guides that they have here, but they leave out too many steps for someone like me, who never does this kind of thing. Or at least, I have to assume that it does, cause it still does not work after I have tried the guide to my router, several times. I have to say that I am at my wits end with this stuff, since my whole home network is down. My router is a WRT54GS V7. But in an attempt to solve my problem, I updated to the latest firmware. My modem is a Motorola 2210-02. My ISP is AT&T. I have tried to get help from them, they do not care. I had to buy a new modem cause their other siemens speedstream 4100B died. So can anyone tell me, step by step, what to do to make my home network up and running again? Sorry about the rant, and the clear frustration, but I can not get any help from anywhere. So this is my last resort.

    As your ISP is an DSL Provider, to configure your Router with the DSL Provider there are certain rules which you need to follow to configure your router to work with the DSL Provider..
    Connect the Modem to the Linksys router on the Internet Port and then connect your computer to the Router on the LAN Port 1. Login to the Router setup and below you need to change the "Local IP address", By default its 192.168.1.1 so you need to change it to 192.168.5.1 and click on Save Settings.... 
    Once you are done with the settings, you need to power cycle your network. Unplug the power from the Router and Modem, wait for 30 sec and then plug the power to the Modem first and when all the lights are solid on your modem then plug the power to the Linksys router.. 
    Now check if you are Online from your Wired Computer. 

  • Router Problem - Works with Windoze, Linux, but not with Mac

    I can't seem to get any router to work with my Mac.
    I've tried a Linksys 'b' router, a Netgear 'g' router and a Belkin 'g' router.
    No joy.
    When I connect my Mac directly to my cable modem (Motorola Surfboard), there are no issues. When I connect the router in between, the Mac pulls the proper ip address and I can ping the router, but I can't get any further. If I try to ping an outside ip address (such as the 4.2.2.2 dns) I get the error message "ping: sendto: Cannot allocate memory". [Does anyone know what this message means?]
    A second computer (IBM NetVista) connects reliably using Windoze XP. The same machine, booted in CentOS also connects reliably (after disabling the firewall).
    Note, these are all wired connections. I'm not even trying to use wireless yet. The cables all check out, since they all work in other configurations (the Mac->router cable is the same one I use for Mac->Surfboard, and the router->surfboard cable works when connecting from the NewVista machine.
    I thought the Mac problems might be firewall related. I had "Brickhouse" installed,but it has since been removed. My network settings no long advise that there is any firewall software in place (previously Sharing > Firewall was greyed out with message that other firewall software was installed). Sharing > Firewall now reports "Firewall Off".
    I know the routers work, since I can connect from the NetVista machine. I know the cables are good, because they all work in other configurations. I know the Mac is seeing the router, and the router is seeing the Mac because a correct ip address is pulled. I can even communicate between the machines (ftp,ssh) but I can't get internet access using the Mac through the router.
    Oh yeah... one other oddity. When I have personal web sharing enabled, an attempt to access the router setup page at 192.168.1.1 fetches the local server index.html page instead of accessing the router. When web sharing is off, I get a "you are not connected to the internet" message.
    Any insight?

    Very strange indeed!
    Only 2 suggestions at this point...
    Get Applejack...
    http://www.versiontracker.com/dyn/moreinfo/macosx/19596
    After installing, reboot holding down CMD+s, then when the prompt shows, type in...
    applejack AUTO
    Then let it do all 5 of it's things.
    At least it'll eliminate some questions if it doesn't fix it.
    The 5 things it does are...
    Correct any Disk problems.
    Repair Permissions.
    Clear out Cache Files.
    Repair/check several plist files.
    Dump the VM files for a fresh start.
    Try dragging these files to the Desktop & Reboot...
    /Users/nnnn/Library/Preferences/com.apple.internetconnect.plist
    /Library/Preferences/SystemConfiguration/preferences.plist
    /Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
    /Library/Preferences/com.apple.sharing.firewall.plist

  • Configuring Cisco Router for use with Syslog Server

    Configuring Cisco Router for use with Syslog Server:
    Does anyone know of a good doc for this?
    -Ashley

    Start with that one: http://security-planet.de/wp-content/uploads/2008/12/logging-ios.pdf
    And if you need more informations, just ask what you want to achieve.
    Don't stop after you've improved your network! Improve the world by lending money to the working poor:
    http://www.kiva.org/invitedby/karsteni

  • Routing of emails with valid Service Ticket Tracking Text

    Hi Experts,
    System: SAP CRM 2007 (ERMS)
    If an email is send to the ERMS system with a valid Service Ticket Tracking Text, based on the rule:
    If
    Service Ticket Responsible Is Not Equal To ""
    Then
    Route to Service Ticket Responsible ( Route To (On Exception) = "" )
    The email can be routed to the Service Ticket Responsible of the Service Ticket or a default org.
    My requirement is to route the email with a valid Service ticket tracking text to the Responsible Org (Service Employee Group) of the Service Ticket.
    How can this be made possible. Can any one guide me with the Steps.
    Regards,
    Namita
    Edited by: Namita Singh on Jul 10, 2009 8:42 AM

    Hi Namita,
    I was trying to simulate your condition and i thought the following could be useful to you.
    You validate your tickets based on "Text" for them to be put into the ERMS --(Is it true?)
    and then you want the service ticket responsible org to be intimated about the ticket
    while selecting the action/parameters --> You will need to add the entry Route E-mail , this will give you the organization unit object .
    At the back end in the service manger profile the service id for this is -->AH_ROUTE and the class is CL_CRM_ERMS_AH_ROUTE
    There should be an enhancement written in this class for the identification of the Responsible org unit partner function org so that it gets identified as the org to be intimated about the ticket.
    The other way is to add the service FG_SVCTKT to your service manger profile(guess it should be the default one) so that then you can check for the Actions/parameters to assign the partner function holding the responsible org data.
    Hope this helps
    Regards
    Raj

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