AEBSn Configured in Bridge Mode

The AirPort Disk Utility on two separate Macs detects a shared disk attached to an AEBSn configured in bridge mode but returns an error message when trying to connect to it using an account name and password.
Could this be because a certain port or port must be forwarded from the router to the AEBSn?
I am currently forwarding ports TCP 548, 139, 445, and UDP 192. Are there any other ports that need to be forwarded so that the AEBSn is fully functional as a disk sharer while in bridge mode?

I wouldn't port forward at all to be honest. If you are port forwarding to the routers address the computers wont be able to use those ports, because they are not gettin their IP address from the base station, it's coming directly from the router, the airport base station is simply passing it on.

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The mutilple ssid configured on bridge mode access point

Is it possible to configure mutilple ssid under one dot11 interface when the AP works on bridge mode

Hi,
This is Linksys Community Forums and not HP Community Forums. You may want to create a post on HP Forums instead?
If everyone needs to believe in something, I believe I'll have another beer..

How do I configure my Airport Extreme to work in Bridge Mode and provide specific IP addresses to clients

My Airport Extreme is working with an Airport Express to wirelessly extend my wireless network. Both Airports are configured in Bridge Mode per the instructions I found on Apple's support site. I want to assign a specific DHCP address to a wireless camera that is in range of the Extreme, but I understand that the Extreme needs to be in DHCP Only mode to do this. But if I change the mode to DHCP Only, the Extreme will lose contact with the Express. How can I get both functions to work - wireless network extension and specific DHCP addresses?

Then what device is providing DHCP? Only once device per subnet should be the DHCP server. One should be DHCP and NAT and the other in Bridge mode for most home setups. The unit with DHCP and NAT should be the one connected to your cable or DSL and the other set in Bridge mode only extends your network.
On the wireless config page set whichever you're using to extend your network to "Extend a wireless network" and give it the details of the network to which you're attaching it.

How to configure router in bridge mode

Hi
I have 2 cisco 2621 series routers to be configured in bridge mode.
i'll be connecting this 2 routers using serial connection 128 lease line.
the problem is im not sure how to configure this 2 routers in bridge mode.
as far as i know, i need to issue the command no ip routing.
is there anything else i need to do?
can anyone guide me on how to configure
the router in bridge mode? is there any support page for this is cisco website?
thanks
Jega

Please check the link to the configuration guide below. It describes how to configure transparent bridging.
http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_configuration_guide_chapter09186a00800ca65a.html
Regards,
Leo

Airport in bridge mode not working in Windows7

Hi everyone,
Last night as I was browsing the web on my iPad the internet stopped working...I am using an Airport Express router plugged directly into the wall socket of my apartment which was configured by the ISP.
I have been using this config for the past 7 months with no issues but last night it just stopped working and the yellow indicator started flashing.
I went into Airport utility and it tells me the Double NAT problem has been found (maybe the ISP changed something?)...and they suggest to change the Airport configuration to Bridge Mode ... said and done...now the Internet works fine under OSX and on my iPad but it does not work anymore in Windows 7.
Some of my family uses Windows 7 for some very specific apps and now it's just dead, internet does not work anymore.
Also, in OSX / iOS I didn't make any changes, I just changed the Airport configuration to Bridge mode and it worked right off the bat.
Has anybody else confronted such problems before ? If so, what would be the best way to fix this ?
Thanks!

" I tried trunk port also but it got disabled" <----- if your L2 config is not correct, nothing will work.
What is the setup on the switch ? Trunk or access vlan ?
What is the status of the interface ? up ? down ?
Do you see something in your arp table ?
Gilles.

Ace module in bridged mode with client nat

Could someone confirm whatever a NAT is supported for ACE-20 module, please?
Let me to explain technical details.
I do need to convert working CSM(SLB) config to ACE configuration and I am not quite sure
if the configuration below is correct. ACE module should be configured in bridge mode with two
vlans - vlan 36 (client) and vlan 436 (server) - bridged with interface bvi 36.
NAT on ACE configurad as "nat dynamic 1025 vlan 436" into corresponding
"policy-map type loadbalance"
Could you check two parts of configs and advise me if the ACE config is
properly converted from CSM and will be working in the same way (especialy for NAT).
Thank you in advance.
CSM config
=======
vlan 36 client
ip address 10.36.3.3 255.255.255.0 alt 10.36.3.4 255.255.255.0
gateway 10.36.3.1
vlan 436 server
ip address 10.36.3.3 255.255.255.0 alt 10.36.3.4 255.255.255.0
natpool WEB-MAIL 10.36.3.100 10.36.3.100 netmask 255.255.255.0
sticky 30 netmask 255.255.255.255 address source timeout 60
probe SHAREPOINT tcp
interval 30
failed 120
open 3
port 80
probe WEBMAIL-443 tcp
interval 5
failed 60
open 2
port 443
serverfarm WEBMAIL-443
nat server
nat client WEB-MAIL
predictor leastconns
real 10.36.3.101 443
   inservice
real 10.36.3.102 443
   inservice
probe WEBMAIL-443
serverfarm WEBMAIL-80
nat server
nat client WEB-MAIL
predictor leastconns
real 10.36.3.101 80
   inservice
real 10.36.3.102 80
   inservice
probe SHAREPOINT
vserver WEBMAIL-443
virtual 10.36.3.100 tcp https
serverfarm WEBMAIL-443
sticky 60 group 30
replicate csrp sticky
replicate csrp connection
persistent rebalance
inservice
vserver WEBMAIL-80
virtual 10.36.3.100 tcp www
serverfarm WEBMAIL-80
replicate csrp connection
persistent rebalance
inservice
ACE config
=======
probe tcp WEBMAIL-443
interval 5
open 2
passdetect interval 60
port 443
probe tcp SHAREPOINT
interval 30
open 3
passdetect interval 120
port 80
serverfarm host WEBMAIL-443
predictor leastconns
probe WEBMAIL-443
rserver 10-36-3-101 443
    inservice
rserver 10-36-3-102 443
    inservice
serverfarm host WEBMAIL-80
predictor leastconns
probe SHAREPOINT
rserver 10-36-3-101 80
    inservice
rserver 10-36-3-102 80
    inservice
class-map match-all WEBMAIL-80
match virtual-address 10.36.3.100 tcp eq www
class-map match-all WEBMAIL-443
match virtual-address 10.36.3.100 tcp eq https
sticky ip-netmask 255.255.255.255 address source 30
serverfarm WEBMAIL-443
replicate sticky
timeout 60
policy-map type loadbalance first-match WEBMAIL-80
class class-default
    serverfarm WEBMAIL-80
    nat dynamic 1025 vlan 436 serverfarm primary
policy-map type loadbalance first-match WEBMAIL-443
class class-default
    sticky-serverfarm 30
    nat dynamic 1025 vlan 436 serverfarm primary
parameter-map type http HTTP_ADV_OPT
persistence-rebalance
policy-map multi-match IFVLAN36-POLICY
class WEBMAIL-80
    appl-parameter http advanced-options HTTP_ADV_OPT
    loadbalance policy WEBMAIL-80
    loadbalance vip inservice
    loadbalance vip icmp-reply active
class WEBMAIL-443
    appl-parameter http advanced-options HTTP_ADV_OPT
    loadbalance policy WEBMAIL-443
    loadbalance vip inservice
    loadbalance vip icmp-reply active
interface vlan 36
bridge-group 36
service-policy input IFVLAN36-POLICY
mac-sticky enable
no shutdown
interface vlan 436
bridge-group 36
nat-pool 1025 10.36.3.100 10.36.3.100 netmask 255.255.255.0
no shutdown
interface bvi 36
ip address 10.36.3.3 255.255.255.0
peer ip address 10.36.3.4 255.255.255.0
no shutdown

Hello F.Makarenko-
You will want to use PAT while you do nat, so change the natpool configuration to this:
   nat-pool 1025 10.36.3.100 10.36.3.100 netmask 255.255.255.0 pat
You also need to apply the nat like this:
policy-map multi-match IFVLAN36-POLICY
class WEBMAIL-80
    appl-parameter http advanced-options HTTP_ADV_OPT
    loadbalance policy WEBMAIL-80
    loadbalance vip inservice
    loadbalance vip icmp-reply active
    nat dynamic 1025 vlan 436
class WEBMAIL-443
    appl-parameter http advanced-options HTTP_ADV_OPT
    loadbalance policy WEBMAIL-443
    loadbalance vip inservice
    loadbalance vip icmp-reply active
    nat dynamic 1025 vlan 436
If you are going to build out a lot of classes, you can instead do source nat like this:
policy-map multi-match IFVLAN36-POLICY
class WEBMAIL-80
    appl-parameter http advanced-options HTTP_ADV_OPT
    loadbalance policy WEBMAIL-80
    loadbalance vip inservice
    loadbalance vip icmp-reply active
class WEBMAIL-443
    appl-parameter http advanced-options HTTP_ADV_OPT
    loadbalance policy WEBMAIL-443
    loadbalance vip inservice
    loadbalance vip icmp-reply active
class class-default
    nat dynamic 1025 vlan 436
Regards,
Chris Higgins

Design question: ACE module connected to 2 different L3 engine while in bridge mode

fellow engineers,
i have been working on a design model , where the ACE mldule will provide SLB for both virtual and real servers. we have been deploying several UCS systems and the customer would like to use the ACE as our Enterprise SLB layer
configured in bridcge mode.
the msfc within the 6509 provide the L3 routing. however we may extends multiple vlans (v160-v163) via nexus switch layer (7k,5k,2k) to a FW appliance which now is the svi interface for the extended vlans. these vlans will be configured on a dedicated context.
the extension is based on the bridge mode operation as follow:
need help with the following:
1) if i have 4 bvi's configured, do i need to have default route configured?
2) my total count for vlans are: v160-v163 for server vlans, and v101 is the management vlan. the svi for this vlan is on the msfc card. the server GW are pointing to each dedicated svi's on the FW+L3 apliance.
3) if my default route on the context is pointing to the v160 svi on the FW+L3 engine, will that prevent the return traffic for other vlans ( v161-v163) from the ace toward the client?
4) is default route neccessary if you hae the ace in bridge mode.
it was brought to my attention that if you have multiple vlans configured in bridge mode pointing to another L3 engine, then each vlan would have to be configured on seperate context since you can only have one default route per context.
i appreciate any feedback on this inquiry. if you need additional information please le me know.
thanks and best regards,
raman azizian

Hi Raman,
You can have up to eight default routes in one context. What the ACE is doing with the entries is to create a ARP-entry with the name GATEWAY. If you need more then eight entries, just declare gateway as rservers. In that case the ARP-entry is stored as RSERVER instead of GATEWAY. The trick is to tell ACE to learn the MAC-address for the IP-address and store it int the ARP-table. The ACE never learn for itself a MAC-address. Don't forget mac-sticky enable on vlan's facing gateway.
I'm running one context in bridge mode and have 18 bvi's with FW and Router 6509 as gateways.
Exampel:
Interface to ROUTER 6509
interface vlan 300
bridge-group 300
no normalization
mac-sticky enable
access-group input BPDU
access-group input alla
access-group output alla
service-policy input lb-int-vlan300
no shutdown
rserver host 300GATEWAY
ip address 164.135.121.47
inservice
A#1/prod1# sho arp | i 164.135.121.47
164.135.121.47 00.08.e3.ff.fc.14 vlan300   RSERVER    4775   239 sec      up
A#1/prod1#
Interface to FIREWALL
interface vlan 802
bridge-group 802
no normalization
mac-sticky enable
access-group input BPDU
access-group input alla
access-group output alla
service-policy input lb-int-vlan802
no shutdown
rserver host 802GATEWAY
ip address 192.168.137.1
inservice
192.168.137.1   00.23.33.6a.bf.80 vlan802   RSERVER    4785   5 sec        up
Regards
Mats

Share Airport Connection to Ethernet port in BRIDGE mode?

I've been trying to do this for a while now, but I haven't been able.
I have the modem form my ISP hooked to a Airport Express configured in BRIDGE mode, thus creating a wireless network for my home with "live" IPs for all the computers (yes... I know the security risks...).
My G4 (across the room) gets Internet from it's Airport Card and I configured the Share Internet preference pane to "Share the Internet Connection from the Airport to the Ethernet Port", so I can create (...extend, really) a WIRED network from my G4's Ethernet Port.
The thing is that I want this wired network to have also "live" IPs, but the Airport Card always has the "Distribute IP Addresses" (or it's equivalent, from the Airport Admin Setup) activated, so it provides a 192.168.X.X network and I can't find a way to turn that off.
In other words, I want it to acts as a BRIDGE and not as DHCP Server.
Anyone?
TIA

I was trying to use IPNetShareX to configure it, but I didn't find a way. I'll keep looking...
http://www.sustworks.com/site/prodgnatoverview.html
Thanks anyway

Bridge mode CSM - Serverfarm with hosts in different vlans

Hi,
I'm trying to answer a question while doing design. I am planning on deploying a CSM in bridge mode with multiple vlans. I need to create a serverfarm which has real servers in two separate server side vlans.
I would then present the Vserver on the client side only of one of the vlans (I always like to specify where I want the vserver). Whe traffic comes in to this vserver, will the CSM appropriately switch traffic to both vservers? I think it will but don't have access to a csm right now to mock it up.
Thanks
Adam

You cannot have 3 vlans configured in bridge mode with all vlans using same address space.
You can use mixed mode to achieve your goal.
It is possible to have Vlan 10 and Vlan 11 in bridge mode and at the same time have VLAN 12 (for example) in the routed mode.
- Traffic from vlan 10 to vlan 20 is bridged
- Traffic from vlan 10 to vlan 12 is routed
where Vlan 10&20 belong to same subnet and Vlan 12 is in different subnet.
Syed

E4200 Bridged Mode - Wireless and Management fail after 36 hours

Greetings all,
I am trying to see if anybody else is having this problem. I have the E4200 and have it configured in bridged mode. Once configured, everything works great for 36 hours.
After 36 hours, all wireless devices are unable to pull an IP address and the management IP address of the E4200 stops responding. The only way to restore service is to reload the router.
I took the first one back to Best Buy and they gave me a new one, however the new router has the same issue.
It seems to me that after 36 hours, the E4200 fails to renew its management IP and also stops forwarding wireless broadcasts (DHCP) requests to my DHCP server.
Thoughts?

Thanks. The new E4200 firmware has "bridged mode" so basically I just have this thing acting as a Wireless access point that has 5 Gigabit ethernet ports.
This disables the routing engine in the E4200 and it acts as a wireless AP and switch. The E4200's WAN port then connects to a Gigabit switch located in my telco closet, which is connected to my FiOS Router.
Reason for this setup is so that devices connected to either the Gigabit switch, or to the E4200 via hardwire or wireless will all remain on the same subnet, and not cause the broadcasts to block as packets traverse subnets.

My Time Capsule is giving me a warning that double NAT situation is occurring and recommends that I set it to bridge mode What is all this about please can it be explained in layman's terms and not martian thank you.

My Time Capsule is giving me a warning that double NAT situation is occurring and recommends that I set it to bridge mode What is all this about please can it be explained in layman's terms and not martian thank you.

You have two devices....the Netgear and Time Capsule both configured to act as routers on the network. You only want one device providing this service.
I suggest that you configure the Time Capsule in Bridge Mode as suggested to eliminate the Double NAT error. Unfortunately, the Guest Network cannot be enabled in this setting.
No other adjustments are needed and everything else will operate normally...and the Time Capsule will still be providing your wireless network signal.
Once the Time Capsule is configured in Bridge Mode, it would be an excellent idea to perform a complete power cycle on the network to allow things to reset properly.
Just power off all devices on the network in any order that you want
Wait a minute
Start the Netgear device first, and let it run a minute by itself
Start the Time Capsule next the same way
Continue starting devices one at a time the same way until everything is powered backup
The other option you have is to "ignore" the error and the light will turn green. The Double NAT error may...or may not cause some issues for you down the line. The next time that you update the Mac operating system, or update the firmware in the Time Capsule, it may likely change the Time Capsule to Bridge Mode automatically.
If your Guest Network "disappears", you will know why this happened, and you will have to manually configure the Time Capsule again in Router Mode to provide DHCP and NAT services.
Double NAT can also cause a slow down of web page loading. You may...or may not....notice this.

Bridge mode for Airport Express or DSL modem?

I bought a new DSL modem (Netgear Broadband ADSL modem DM111PSP) to replace my old Westell. I also bought the new Aiport Express station (2012 model) to create the WiFI network at home. At the moment, the AE is in Bridge mode so that the DSL modem is on PPPoE to be the one assigning IP's for 3 portable Macs (2 on Wifi and 1 on Powerline->Ethernet). My ISP is AT&T.
I wonder if anyone can answer my following questions:
1) When Apple claims that the AE can support up to 50 concurrent users using the Internet, does that also apply to the AE in Bridge mode?
2) Can my ISP detect the fact that I have 3 computers with the current setup and start charging me more?
3) What will happen if I put the modem in Bridge mode and AE in PPPoE? Can my ISP still track the same info in (2)?
Thank you so much.
My computers (1 MacBook Pro and 2 MacBooks) are all on OS 10.6.8.
Gary

I thought AE cannot assign IP's once in Bridge mode.
That is correct. DHCP and NAT services are turned off when the AirPort Is configured in Bridge Mode.
If both modem and AE assign IP, would that create 'Double NAT' error?
Correct. Either the modem/router has to be in Bridge Mode and the AirPort handles DHCP and NAT.....or.....the modem/router handles DHCP and NAT and the AirPort is set up in Bridge Mode.
There are upsides and downsides to either approach. The simplest setup is to let the modem/router handle DHCP and NAT and configure the AirPort in Bridge Mode.
However, if you were planning to use the Guest Network feature of the new AirPort Express, then the modem/router must be configured in Bridge Mode and and the AirPort handles the DHCP and NAT.

When do I use bridge mode

Using SNL Server with Airport extreme and static IP. If I am to setup my own DNS do I need to swich to bridge mode?

Bridge Mode turns off both the DHCP and NAT services on an AirPort router.
If two routers were both trying to assign IP addresses to network devices using DHCP, there would likely be address conflicts on the network.
You only want one router handling DHCP and NAT service on a network. Other routers should be configured in Bridge Mode to function correctly on the network.

ACE 4170 port redirection in Bridged mode

Hi Friends,
Is it possible to do port redirection on ACE while it is configured on Bridged Mode. For example. a user is accessing the Loadbalancer VIP on port 80 and this is redirected to port 8080 on backend servers?
I have attached a diagram for easier understanding. Is there a need to configure NAT in such cases?
Any help will be appreciated. Thanks in advance guys.

Hi,
if you want to allow ping to the VIP address, you only need to apply this command in your L3-4 policy map:
loadbalance vip icmp-reply
example:
policy-map multi-match L4-TEST-VIPS
class WWW-TEST
loadbalance vip inservice
loadbalance policy WWW_POLICY
loadbalance vip icmp-reply
more info can be found here:
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/v3.00_A2/configuration/slb/guide/classlb.html#wp1000929
If you want ICMP to pass through the ACE tp reach the real servers, you need to allow it in an ACL.
Hope this helps,
Dario

Bridge mode - MAP /RAP - Client service

Hi all.
I'm very confused about the MAP and RAP mode as they are APs configured in Bridge mode.
In the CCNA Wireless, we are clearly taught that Bridge mode APs do NOT deliver client service...
Apparently Mesh and Root APs are APs in bridge mode but do deliver client service!!!
I've surelly missed something. Could someone help please?
Thanks
Alex

Hi Alex,
Bridge Mode AP
Many Wi-Fi bridging mode products exist with varying levels of functionality. Some wireless bridges support only a single point-to-point connection to another AP. Others support point-to-multipoint connections to several other APs.
Each AP in bridging mode connects to a wired LAN. Some AP models simultaneously support wireless clients while operating in bridging mode, but others work as "bridge-only" and disallow any clients from connecting.
Root AP - Places the bridge in the access point mode. In this mode, the bridge emulates a Cisco Aironet Access Point(example: 1100 Series ) and accepts associations from client devices.
Hope it helps
Regards

AEBSn Configured in Bridge Mode

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