NAT on Multilayer Switch 3560 and 3750

Hi ,
Wish you happy new year all..
I tried configure NAT over 3560 Switch, unfortunately NAT is not supported. Is possible configure NAT on 3750? Maybe I can change my 3560 by one 3750, but I need NAT feature.
Please help on this..
Thanks in advance!
Thanks & Best regards,
Krishna Chintada

NAT is not supported on any of these Catalyst platforms.
You need to buy a router to do NAT, not a switch.

Similar Messages

  • Backup Configuration for 3560 and 3750

    Hi guys, 
    I couldn't make any test yet, but my doubt is about to copy a configuration and paste in the switch 3560 or 3750, the encrypted enable secret  its affected in any way?

    Hi @edersonpassaura,
    You mean that if you paste the "enable secret ..." from one switch to another it will be different in the last switch?
    If so, the answer is no. This is because you can specify with the number "0" or "5" if you're going to paste the password as encrypted or non-encrypted. For example:
    When you type the "enable secret test" in the CLI, the router will show it up as "enable secret 5 $%lL%&@" when you type the show running-config command, for example. The number "5" in the ouput means that the password is being encrypted using MD5.
    If you want to paste that encrypted output into another device you cannot forget the number "5" because this is what tells the devices that the output is being pasted as encrypted. If you paste it without the "5" you have to type "$%lL%&@" to enter the device instead of just "test".
    HTH.
    Rgrds,
    Martin, IT Specialist

  • 3560 and 3750 - Question about 10/100/1000 ports

    I am researching several Cisco products to recommend to a customer. I was wondering if the 10/100/1000 ports at a 3560 switch, will provide gigabit bandwith on each port or if the bandwidth is shared among several ports. The latter is how a 48 port 10/100/1000 line card would behave on a Cisco 4500 when, depending on the card, the gigabit bandwidth will be shared among 4 or 6 ports at a time.
    What about 10/100/1000 ports on a 3750?
    Thanks

    The new Catalyst switches/modules such as the Catalyst 6500/6000, 4500/4000, 3550, and 2950 support 10/100/1000 Mbps negotiated Ethernet interfaces or ports. These ports work on 10Mbps, 100Mbps, or 1000 Mbps speed based on their connection to the other end. These 10/100/1000Mbps ports can be configured for speed and duplex negotiation in the same way as 10/100 Mbps ports on CatOS or Cisco IOS Software-based switches. Therefore, the configurations given in this document for 10/100Mbps port negotiation applies to 10/100/1000Mbps ports as well.
    http://www.cisco.com/en/US/tech/tk389/tk214/technologies_tech_note09186a0080094781.shtml

  • QoS on 3560, 2960 and 3750 does not work (Policy-map).

    Hi
    I am tryng to configure QoS on 3 switches (2960, 3560 and 3750) with this configuration:
    mls qos
    class-map match-all QOS_DATA_CLASS
      match access-group name QOS-DATA
    class-map match-all QOS_DEFAULT_CLASS
      match access-group name QOS-DEFAULT
    class-map match-all QOS_VOICE_CLASS
      match access-group name QOS-VOICE
    class-map match-all QOS_SIGNALING_CLASS
      match access-group name QOS-SIGNALING
    policy-map QOS-SOFTPHONE-POLICY
     class QOS_DEFAULT_CLASS
       set dscp default
     class QOS_SIGNALING_CLASS
       set dscp cs2
     class QOS_DATA_CLASS
       set dscp cs1
     class QOS_VOICE_CLASS
       set dscp cs3
    interface GigabitEthernet0/34
     no switchport
     ip address 10.10.11.1 255.255.255.252
     ip ospf network point-to-point
     priority-queue out 
     service-policy input QOS-SOFTPHONE-POLICY
    interface GigabitEthernet0/47
     switchport access vlan 150
     spanning-tree portfast
     service-policy input QOS-SOFTPHONE-POLICY
    ip access-list extended QOS-DATA
     permit tcp any any eq 22
     permit tcp any any eq 465
     permit tcp any any eq 143
     permit tcp any any eq 993
     permit tcp any any eq 995
     permit tcp any any eq 1914
     permit tcp any any eq ftp
     permit tcp any any eq ftp-data
     permit tcp any any eq smtp
     permit tcp any any eq pop3
    ip access-list extended QOS-DEFAULT
     permit ip any any
    ip access-list extended QOS-SIGNALING
     permit tcp any any range 2000 2002
     permit tcp any any range 5060 5061
     permit udp any any range 5060 5061
    ip access-list extended QOS-VOICE
     permit udp any any range 16384 32767
    but when I check the show commands I see that QoS is not working.
    CoreA#sh policy-map interface g0/34   
     GigabitEthernet0/34 
      Service-policy input: QOS-SOFTPHONE-POLICY
        Class-map: QOS_DEFAULT_CLASS (match-all)
          3 packets, 198 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-DEFAULT
        Class-map: QOS_SIGNALING_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-SIGNALING
        Class-map: QOS_DATA_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-DATA
        Class-map: QOS_VOICE_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-VOICE
        Class-map: class-default (match-any)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: any 
    CoreA#sh policy-map interface g0/47 
     GigabitEthernet0/47 
      Service-policy input: QOS-SOFTPHONE-POLICY
        Class-map: QOS_DEFAULT_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-DEFAULT
        Class-map: QOS_SIGNALING_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-SIGNALING
        Class-map: QOS_DATA_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-DATA
        Class-map: QOS_VOICE_CLASS (match-all)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: access-group name QOS-VOICE
        Class-map: class-default (match-any)
          0 packets, 0 bytes
          5 minute offered rate 0 bps, drop rate 0 bps
          Match: any 
    What do I do bad?
    The flow is the next:
    Computer with CIPC --------> Switch 2960 or 3560 or 3750 ------------------> switch core ---------------> CIPC
    I have wireshark in a port mirror on switch 2960, 3560 and 3750. In wireshark I always see the packets marked with default label.
    I hope you can help me.
    Regards.

    Try this config:
    policy-map QOS-SOFTPHONE-POLICY
     class QOS_VOICE_CLASS
       set dscp cs3
     class QOS_SIGNALING_CLASS
       set dscp cs2
     class QOS_DATA_CLASS
       set dscp cs1
     class class-default
       set dscp default
    BR

  • Etherchannel between stack switches[3750] and standalone switch[3560]

    Hi,
    I have 2*3750 switches in stack as core and 1*3560 switch in access layer. I want to enable ether channel between stack switch[3750A & 3750B] and 3560 switches.
    Have connected  2 links from 3560 switch to stack switch, one link to 3750A and other link to 3750B. Will it work in this way as per my requirement? 
    or i should enabled stacking on 3560 switch too and configure cross-stack ether channel between 3750 stack and 3560 stack. i refered few cisco documents, but the cross stack etherchannel configuration example has 3750 at both end stacks.
    Rgds...
    VikramS

    Hi,
     This should work fine as per you set up, the 3750 stack will be acting as one switch, which means that the ether-channel configuration should be straight forward. There is no need to stack the 3560 for this to work, also the 3560 are not stackable.
    Hope this helps.

  • Multilayer Cisco 3560 Switched network

    Hi,
    I have a multilayer Cisco 3560 network. All sites are connected to each other using RIP V2. The area marked in red is what we are having an issue with.
    1. We have remote sites connected by microwave links using Cisco 3560.
    2. In the attached image "Site-1" inherits all the configuration from the Headoffice. They also get their internet connection from the Headoffice over the " 256Kbps DSL-DATALINK".
    3. The area marked in red are the 2 sites, they were connected to each other using a data link.
    4. The 100 Mbps microwave links were commissioned lately so we want to use these links for our Internet + Data connections.
    5. HEAD OFFICE switch is running the VTP Domain.
    Question
    1. I have rip version 2 running how do I get "SITE-1" to share the internet connection from Headoffice over the Wireless Links
    2. Site-1 should get the IP address from the HeadOffice DHCP server over the wireless links.
    3. The "DSL-DATALINK" should work as a backup/redundant link. If my 100 Mbps link is down it should automatically switch to the DSL link.
    Kindly give me your expert comments/suggestions in how do I go about achieving the above.
    Regards
    Sarfaraz

    RIP works on hop-count and it will prefer the DSL connection over the Wireless link (1 hop vs 4 hops).
    You can alter this behavior by creating an offset list on routes incoming the data link.
    router rip
    version 2
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    http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hirp_r/rte_rih.htm#wp999452
    You need to this on both routers (site1 and HQ).

  • Connection between 5508 WLC and 3750-24PS switch

    I have to realize a connection between  an 5508 WLC and 3750 switch using one SFP cable. I found on Cisco documentation some reference about two different SFP cables.
    The first one is CAB-SFP-50CM, but this is used to interconnect two 3560 switches.
    The second is SFP-H10GB-CU1M. This one has SFP+ transceivers on both ends which I don’t know if are compatible with the standard SFP ports that can be found both on WLC and switch.
    My question is if I can use one of these cables in order to connect my devices, or if you know other one piece SFP cables.
    Many thanks

    I know that you can use those SFP transceivers, but I want to know if someone tried to use the SFP-H10GB cables for this kind of connection. Because I saw on another vendor website that the SFP+ cables are compatible with standard SFP ports, and I wanted to see if it is the same for Cisco cables too.
    Regards

  • Cisco ISE and Switch 3560-X

    Good Morning,
    I am conducting an implementation of Cisco ISE version 1.2.1.198 with all its features on a switch 3560-X and in the ISE compatibility chart the minimum version for this switch would be the IOS v 15.0.2-SE2 (ED).
    My doubt is whether i need the feature ipbase or just the lanbase would be sufficient to meet all the features of 802.1x for the Cisco ISE.
    I appreciate the attention and Thanks,

    Please see the "Cisco Secure Access and Cisco TrustSec Release 5.0 System Bulletin".
    It notes that the 3560-X requires IP base license for all the 802.1X features.

  • Dacl on ACS 5.1 and Catalyst switch 3560

    Dear all
    I have ACS 5.1 and Catalyst switch 3560 with version 12.2(53)SE. I configure a dacl on the ACS and I use it on authorization profile.
    This authrization profile is used on access policy.
    I tried the authentication but it doesn't work. I checked the ACS logs and I found that the user is authenicated successfuly but the dacl gives this error (The Access-Request for the requested dACL is missing a cisco-av-pair attribute with the value aaa:event=acl-download. The request is rejected)
    Steps:
    11001  Received RADIUS Access-Request
    11017  RADIUS created a new session
    11025  The Access-Request for the requested dACL is missing a cisco-av-pair attribute with the value aaa:event=acl-download. The request is rejected
    11003  Returned RADIUS Access-Reject
    DACL:
    deny ip host 1.2.3.4 1.2.3.0 0.0.0.255 log
    permit ip any any log
    Thanks on advance,

    Dear Tiago
    I applied the command "radius-server vsa send". Now I can see the dacl is applied but I can't see it on the switch and even the authentication is succueeded ont the ACS logs but it give me unauthoized on the switchport. You can see the logs( started with the username acstest and the access-list is applied but it doesn't work and you can see theat it goes for mab after eap timed out). I hope you can help on this issue.
    Dec 13,10 10:29:00.513 AM
    00-23-AE-7A-58-A6
    00-23-AE-7A-58-A6
    Default Network Access
    Lookup
    Dot1x-3560-Switch
    1.2.3.4
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    TESTACS
    22056 Subject not found in the applicable identity store(s).
    Dec 13,10 10:28:29.186 AM
    #ACSACL#-IP-Guest-4cfcc14d
    Dot1x-3560-Switch
    1.2.3.4
    TESTACS
    Dec 13,10 10:28:28.726 AM
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    00-23-AE-7A-58-A6
    Default Network Access
    PEAP (EAP-MSCHAPv2)
    Dot1x-3560-Switch
    1.2.3.4
    FastEthernet0/5
    TESTACS
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  • How often should the Cisco 6509 and 3750 switches be rebooted? Does Cisco have a best practice recommendation?

    How often should the 6509's and 3750's switches be rebooted?
    Does Cisco have a best practice document on this and recommendation how long the switch should be up before it gets rebooted?
    Why is a reboot needed if there are no indications of issues on the log?

    I'd agree with Larry here.
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    That said, you should have some monitoring scheme that assures you everything is healthy. But as long as memory and cpu are happy, the device will run forever.

  • Cross switch etherchannel config between two 6500 and 3750

    Dear All,
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    Anybody can suggest/recommend some method for this case.
    Thanks

    Unfortunately, you cannot create an etherchannel from one device to two different devices. for example, from 3750 you have gig 1/0/1 and gig 1/0/2. gig 1/0/1 of 3750 connects to port 1/1 of switch A and gig 1/0/2 of that same 3750 connects to port 1/2 of switch B. You can NOT create an etherchannel on 3750 to combine gig 1/0/1 and gig 1/0/2 to create a bigger pipe. That is not how etherchannel is designed to do.
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    In your described scenario, channeling is not what you are asking, it's STP and you really do not need to do anything as STP is enabled by default, maybe you just need to make sure that the root is where you wnat it to be and that is configureable. With your looped physical topology, STP will prevent loop from forming and will give you the redundancy you seek as when one link fails, the ones blocked by STP would go forwarding once STP detects that it should forward that port.
    Please rate helpful posts.

  • Configuring - Cisco 2921 with Switch Module/POE PS and 3750-x 24 port switch

    This is what I have
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  • Strange behavior with 3560s and RPS 2300

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  • Communication problem between Cisco 3560 and Cisco SG300.

    Dear Support,
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    JItesh Mahajan.

    Dear Aleksandra,
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    JItesh Mahajan.

  • Catalyst (3750 24 10/100/1000T) and (3750 12 SFP) Stacking Problems

    Dear all
    I'm having a very strange situation here (at least for me)
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    Dear Daniel
    Sorry for my delayed response but i was actually quite busy
    but the problem was actually in another sense
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    DATACENTER#sh switch detail
    Switch/Stack Mac Address : 081f.f3cf.1c80
                                               H/W   Current
    Switch#  Role   Mac Address     Priority Version  State
    *1       Master 081f.f3cf.1c80     1      0       Ready              
    2       Member 081f.f3cf.5900     1      0       Ready              
    3       Member aca0.16ac.0180     1      2       SDM Mismatch       
    4       Member aca0.16a3.bc80     1      2       SDM Mismatch 
             Stack Port Status             Neighbors    
    Switch#  Port 1     Port 2           Port 1   Port 2
      1        Ok         Ok                2        4
      2        Ok         Ok                3        1
      3        Ok         Ok                4        2
      4        Ok         Ok                1        3 
    all i did was changing the default profile of the SFP switches into the Desktop Profile and problem was solved
    switch 1 provision ws-c3750g-12s
    switch 2 provision ws-c3750g-12s
    switch 3 provision ws-c3750g-24t
    switch 4 provision ws-c3750g-24t
    system mtu routing 1500
    ip subnet-zero
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    spanning-tree mode pvst
    spanning-tree extend system-id
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    interface GigabitEthernet1/0/3
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    interface GigabitEthernet1/0/6
    interface GigabitEthernet1/0/7
    interface GigabitEthernet1/0/8
    interface GigabitEthernet1/0/9
    interface GigabitEthernet1/0/10
    interface GigabitEthernet1/0/11
    interface GigabitEthernet1/0/12
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    interface GigabitEthernet2/0/3
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    interface GigabitEthernet2/0/6
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    interface GigabitEthernet2/0/8
    interface GigabitEthernet2/0/9
    interface GigabitEthernet2/0/10
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    interface GigabitEthernet3/0/12
    interface GigabitEthernet3/0/13
    interface GigabitEthernet3/0/14
    interface GigabitEthernet3/0/15
    interface GigabitEthernet3/0/16
    interface GigabitEthernet3/0/17
    interface GigabitEthernet3/0/18
    interface GigabitEthernet3/0/19
    interface GigabitEthernet3/0/20
    interface GigabitEthernet3/0/21
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    interface GigabitEthernet3/0/23
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    interface GigabitEthernet4/0/6
    interface GigabitEthernet4/0/7
    interface GigabitEthernet4/0/8
    interface GigabitEthernet4/0/9
    interface GigabitEthernet4/0/10
    interface GigabitEthernet4/0/11
    interface GigabitEthernet4/0/12
    interface GigabitEthernet4/0/13
    interface GigabitEthernet4/0/14
    interface GigabitEthernet4/0/15
    interface GigabitEthernet4/0/16
    interface GigabitEthernet4/0/17
    interface GigabitEthernet4/0/18
    interface GigabitEthernet4/0/19
    interface GigabitEthernet4/0/20
    interface GigabitEthernet4/0/21
    interface GigabitEthernet4/0/22
    interface GigabitEthernet4/0/23
    interface GigabitEthernet4/0/24
    that's it !
    : D
    cheers

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