Monitoring VLAN 3

Monitoring VLAN 3

Switch1 (enable) set span 3 10/1

Destination     : Port 10/1

Admin Source    : VLAN 3

Oper Source     : Port 10/24,10/47,15/1

Direction       : transmit/receive 

!SPAN can be configured to allow only transmit, receive, or both

Incoming Packets: disabled

Learning        : enabled

Multicast       : enabled

Filter          : -

Status          : active

Only traffic from VLAN 3 coming from ports 10/3-5 is copied to port 10/1. (See Example 12-13.) If the filter option was not enabled, all other VLAN traffic from the trunk port would also get copied to a SPAN destination port.