Data Center (VDX)

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Can a VDX VE Port be Configured with Multiple Subnets?

  • 1.  Can a VDX VE Port be Configured with Multiple Subnets?

    Posted 04-19-2018 02:28
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 17.0px; font: 15.0px Helvetica; -webkit-text-stroke: #000000} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 17.0px; font: 15.0px Helvetica; -webkit-text-stroke: #000000; min-height: 18.0px} span.s1 {font-kerning: none}I just wanted to confirm the following:



    1. Do I need to create a separate VLAN for each VE port?



    2. Can I have one VLAN with multiple subnets on one VE port?



    My thought is I would need to create one VLAN, One Subnet. Then create a separate VE port per VLAN.



    The switch is running NOS 7.0.1b presently.



    The process attempted at first was adding multiple subnets to one VE port but the secondary subnet fails with the error below:



    conf t

    rb 1

    int ve 100

    ip address 10.12.11.254/24

    ip address 10.12.12.254/24 (secondary)

    "The IP address is not in Primary address subnet".



    Like I said, I believe the message is normal. But anyone on here can let me know as verification.


  • 2.  RE: Can a VDX VE Port be Configured with Multiple Subnets?

    Posted 04-20-2018 13:20
    I have also tried this and get the same result, and although I cannot find this documented in any of the manuals, I believe this is expected behaviour

    Regards
    Mick


  • 3.  RE: Can a VDX VE Port be Configured with Multiple Subnets?

    Posted 04-20-2018 13:23
    Here is the answer for you Mike.sw0(config)# rbridge-id 1
    sw0(config-rbridge-id-1)# int ve 10
    sw0(config-rbridge-Ve-10)# ip add 10.12.11.254/24
    sw0(config-rbridge-Ve-10)# ip add 10.12.12.254/24
    sw0(config-rbridge-Ve-10)# ip add 10.12.13.254/24

    In VDX switches you don't need to give keyword "secondary". The keyword secondary only required if you want to give the IP address from the same subnet, please find the example below:

    sw0(config)# rbridge-id 1
    sw0(config-rbridge-id-1)# int ve 10
    sw0(config-rbridge-Ve-10)# ip add 10.12.11.254/24
    sw0(config-rbridge-Ve-10)# ip add 10.12.11.253/24 secondary

    swo# show run
    !
    interface Ve 10
    ip proxy-arp
    ip address 10.12.11.254/24
    ip address 10.12.12.254/24
    ip address 10.12.13.254/24
    ip address 10.12.11.253/24 secondary
    no shutdown
    !