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routing issue

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  • 1.  routing issue

    Posted Mar 31, 2020 11:20 AM

    Hi,

     

    i have a 2930F with one interface in vlan 254 connected to a fw (which is here default router 192.168.254.254)
    I use vlan 254 purely for routing in this case.

    Switch config in a nutshell :

    vlan 101
    name "VLAN101"
    untagged 47
    tagged 1-45
    no ip address
    exit
    vlan 111
    name "VLAN111"
    untagged 46
    tagged 1-45
    ip address 10.35.111.254 255.255.255.0
    ip address 10.74.111.254 255.255.255.0
    ip address 10.90.111.254 255.255.255.0
    exit
    vlan 254
    name "VLAN254"
    untagged 48
    ip address 192.168.254.251 255.255.255.0
    exit
    primary-vlan 254
    management-vlan 254

    ip route 0.0.0.0 0.0.0.0 192.168.254.254
    ip routing

     

    When i ping (from the fw let's say) 192.168.254.251 everything is okay
    When i ping 10.90.111.254 (or 10.74.111.254 or 10.35.111.254) i get destination unreachable

    Routes are setup in the firewall btw.

    What am i missing?  I performed a packetdump on the fw and i see no icmp packets returning...



  • 2.  RE: routing issue
    Best Answer

    Posted Apr 06, 2020 09:32 AM

    Did a little bit of testing this morning.  Following works :

     

    vlan 111
    name "VLAN111"
    untagged 46
    ip address 10.35.111.254 255.255.255.0
    ip address 10.90.111.254 255.255.255.0
    exit


    vlan 254
    name "VLAN254"
    untagged 48
    ip address 192.168.254.251 255.255.255.0

     

    Then add a gateway :

    ip default-gateway 192.168.254.254

     

    And finally, enable routing

    ip routing

     

    DO NOT SET :

    primary-vlan 254
    management-vlan 254