RestrictionsWhen you configure remote port mirroring, the following restrictions apply:• You can configure the same source port to be used in multiple source sessions.• You cannot configure a source port channel or source VLAN in a source session if the port channel orVLAN has a member port that is configured as a destination port in a remote-port mirroring session.• A destination port for remote port mirroring cannot be used as a source port, including the session inwhich the port functions as the destination port.• A destination port cannot be used in any spanning tree instance.• The reserved VLAN used to transport mirrored traffic must be a L2 VLAN. L3 VLANs are not supported.• On a source switch on which you configure source ports for remote port mirroring, you can add onlyone port to the dedicated RPM VLAN which is used to transport mirrored traffic. You can configuremultiple ports for the dedicated RPM VLAN on intermediate and destination switches.Displaying Remote-Port Mirroring ConfigurationsTo display the current configuration of remote port mirroring for a specified session, enter the showconfig command in MONITOR SESSION configuration mode.Dell(conf-mon-sess-2)#show config!monitor session 2 type rpmsource fortyGigE 1/52 destination remote-vlan 300 direction rxsource Port-channel 10 destination remote-vlan 300 direction rxno disableTo display the currently configured source and destination sessions for remote port mirroring on aswitch, enter the show monitor session command in EXEC Privilege mode.Dell(conf)#do show monitor sessionSessID Source Destination Dir Mode Source IP Dest IP------ ------ ----------- --- ---- --------- --------1 remote-vlan 100 Fo 1/32 N/A N/A N/A N/A1 remote-vlan 100 Po 100 N/A N/A N/A N/A2 Fo 1/4 remote-vlan 300 rx Port N/A N/A2 Po 10 remote-vlan 300 rx Port N/A N/ATo display the current configuration of the reserved VLAN, enter the show vlan command.Dell#show vlanCodes: * - Default VLAN, G - GVRP VLANs, R - Remote Port Mirroring VLANs, P -Primary, C - Community, I - IsolatedO - OpenflowQ: U - Untagged, T - Taggedx - Dot1x untagged, X - Dot1x taggedo - OpenFlow untagged, O - OpenFlow taggedG - GVRP tagged, M - Vlan-stacki - Internal untagged, I - Internal tagged, v - VLT untagged, V - VLT taggedNUM Status Description Q Ports* 1 InactiveR 100 Active T Fo 1/20R 300 Active T Fo 1/24Configuring the Sample Remote Port MirroringRemote port mirroring requires a source session (monitored ports on different source switches), areserved tagged VLAN for transporting mirrored traffic (configured on source, intermediate, and624 Port Monitoring
