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Private VLAN configuration on 5700 IRF

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  • 1.  Private VLAN configuration on 5700 IRF

    Posted Sep 12, 2024 06:33 PM

    Hi,

    I have a 6-member 5700 L3 IRF switch that is connected to ESX hosts on downstream interfaces and connected upstream to a L3 PA firewall. I am having issues in that the hosts in the isolated VLANs can still communicate with each other, and i believe it has something to do with the config. I have several primary PVLANs and each primary PVLAN has 10 secondary VLANs (which includes 9 community PVLANs and 1 isolated PVLAN). Below is a diagram of the connections

    The configuration on the 5700 Core IRF is as follows:

    vlan 100
     private-vlan primary
     private-vlan secondary 101 to 110
    #
    vlan 101
     private-vlan isolated
    #
    vlan 102
    #
    vlan 103
    #
    vlan 104
    #
    vlan 105
    #
    vlan 106
    #
    vlan 107
    #
    vlan 108
    #
    vlan 109
    #
    vlan 110
    #

    vlan 200
     private-vlan primary
     private-vlan secondary 201 to 210
    #
    vlan 201
     private-vlan isolated
    #
    vlan 202
    #
    vlan 203
    #
    vlan 204
    #
    vlan 205
    #
    vlan 206
    #
    vlan 207
    #
    vlan 208
    #
    vlan 209
    #
    vlan 210
    #
    interface Bridge-Aggregation11
     description uplink to PA
     port link-type trunk
     port trunk permit vlan 1 100 to 110 200 to 210
     port private-vlan 100 200 trunk promiscuous
    #
    interface Ten-GigabitEthernet1/0/11
     description downlink to ESX hosts
     port link-type hybrid
     port hybrid vlan 100 to 110 200 to 210 tagged
     port hybrid vlan 1 untagged
     port private-vlan 100 200 trunk promiscuous
    #

    Interfaces 1/0/12 and 1/0/13 have the same config as interface 1/0/11. I believe it has to do with having set the downlink as a promiscuous port. However, when i remove the promiscuous trunk on the downlink and try and set the downlink interface to:

    port private-vlan 101 to 110 201 to 210 trunk secondary

    it states that only 1 secondary vlan can be associated with a primary vlan.

    Should you be able to set more than one secondary vlan with a primary vlan, and if so, what config changes do i need to do to make this work? Any help in resolving this config would be appreciated

    Regards,

    James