Example: Configuring an ERSPAN Source Session on a WAN Interface The following example shows how to configure more than one WAN interface in a single ERSPAN source monitor session. Multiple interfaces have been separated by a commas. monitor session 100 type erspan-source source interface Serial 0/1/0:0, Serial 0/1/0:6 Example: Configuring an ERSPAN Destination Session The following example shows how to configure an ERSPAN destination session: monitor session 2 type erspan-destination destination interface GigabitEthernet1/3/2 destination interface GigabitEthernet2/2/0 source erspan-id 100 ip address 10.10.0.1