RSPAN does not forword packet

Unanswered Question
Jan 13th, 2009

Dear all,

i have catalyst 6513 as core connected to it 2 catalyst 3750,i configured one 3750 switch as monitored switch and the other as monitoring switch, as the folowwing:

sw1> monitor session 1 source vlan 400

sw1> monitor session 1 destination remote vlan 401


sw2> monitor session 2 source remote vlan 401

sw2> monitor session 2 destination interface fastEthernet1/0/7

i think its standard configuration because when i deploy this configuration on 2 switches direct connected its worked fine , but when i apply on my real topolgy its does not work.

note, i create remote span Vlan on the all topology,

so please any one has solution and why this configuration does not work

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mchin345 Mon, 01/19/2009 - 10:32

All network traffic, including the multicast and bridge protocol data unit (BPDU) packets, can be monitored using SPAN (RSPAN does not support monitoring of BPDU packets or Layer 2 protocol packets such as CDP, DTP, and VTP). Multicast packet monitoring is enabled by default.


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