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Forum Replies

  1. Hi Alan,

    Good question…only thing I could find is this document:

    https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-0_2_EX/network_management/configuration_guide/b_nm_15ex_2960-x_cg/b_nm_15ex_2960-x_cg_chapter_0111.html

    a) It doesn’t specify anything about the number of interfaces, only the number of sessions.

    b) For a single session, you specify a source + destination so that’s one session.

    c) maximum of 4 (2 if switch is stacked with Catalyst 2960-S switches) source sessions and 64 RSPAN destination sessions. A source session is eit

    ... Continue reading in our forum

  2. Hi when I configure RSPAN on a data vlan (management vlan) remotely the vlan goes down at a UP/DOWN status and I lose vty access. I consoled into the switch and the switch that is trunked into and tried to bounce the vlan interface but it still stays down.

    SW1(config)#vlan 27
    SW1(config-vlan)#remote-span
    
    SW2(config)#vlan 27
    SW2(config-vlan)#remote-span
    

    This is all I configure before losing vty connection.

    I have to remove the remote-span command to regain vty access.

  3. Hello AZM

    First of all, it doesn’t really matter what IP addresses you configure on the packet sniffers. These devices will not be able to communicate with the network as their sole purpose is to sniff or detect any and all packets that are sent from the destination ports.

    Secondly, the destination ports have all ingress traffic disabled, so even if they were configured with additional parameters, these are all overridden.

    Essentially, no additional parameters are necessary on the destination ports.

    You can find additional comprehensive information about the d

    ... Continue reading in our forum

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