Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 719
Configuring Port Monitoring
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Dell(conf-mon-sess-300)#source tengig 0/17 destination tengig 0/1 direction tx Dell(conf-mon-sess-300)#do show mon session SessionID Source Destination Direction Mode Type ---- 0 Te 0/13 Te 0/1 rx interface Port-based 10 Te 0/14 Te 0/2 rx interface Port-based 20 Te 0/15 Te 0/3 rx interface Port-based 30 Te 0/16 Te 0/37 rx interface Port-based 300 Te 0/17 Te 0/1 tx interface Port-based Dell(conf-mon-sess-300)# Example of Configuring Another Monitoring Session with a Previously Used Destination Port Dell(conf)#mon ses 300 Dell(conf-mon-sess-300)#source tengig 0/17 destination tengig 0/4 direction tx %Unable to create MTP entry for MD tenG 0/17 MG tenG 0/4 in stack-unit 0 port-pipe 0. Dell(conf-mon-sess-300)# Dell(conf-mon-sess-300)#source tengig 0/17 destination tengig 0/1 direction tx Dell(conf-mon-sess-300)#do show mon session SessionID Source Destination Direction Mode Type ---- 0 Te 0/13 Te 0/1 rx interface Port-based 10 Te 0/14 Te 0/2 rx interface Port-based 20 Te 0/15 Te 0/3 rx interface Port-based 30 Te 0/16 Te 0/37 rx interface Port-based 300 Te 0/17 Te 0/1 tx interface Port-based Dell Networking OS Behavior: The switch continues to mirror outgoing traffic even after an MD participating in spanning tree protocol (STP) transitions from the forwarding to blocking. Configuring Port Monitoring Port monitoring (also referred as mirroring) monitors network traffic by forwarding a copy of incoming and outgoing packets from a source port to a destination port on the same network router To configure port monitoring on the port extender, use the following commands. 1 Display the running configuration of an interface. EXEC Privilege mode show running-config monitor session 2 Create a monitoring session using the command monitor session from CONFIGURATION mode, as shown in the following example. MONITOR SESSION mode monitor session [session-ID] source interface | range destination interface direction {rx | tx | both} 3 Specify the source and destination port and direction of traffic, as shown in the following example. MONITOR SESSION mode monitor session 1 source TenGigabitEthernet 0/2 destination TenGigabitEthernet 0/4 direction rx Example of Viewing Port Monitoring Configuration Parameters monitor session id type rpm - The id needs to be unique and not already defined in the box specifying type as rpm defines an RPM session. type is an optional keyword, required only for rpm and erpm. Specifies one of the following types: • rpm - Creates a remote port monitoring (rpm) session. • erpm - Creates an encapsulated remote port monitoring (erpm) session. Port Monitoring 719
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