Configuration Examples For Erspan - Cisco Catalyst 4500 Series Software Configuration Manual

Configuration Examples for ERSPAN

Command or Action
Step 12
Switch(config-mon-erspan-src-dst)# vrf
vrf-ID
Step 13
Switch(config-mon-erspan-src-dst)# exit
Step 14
Switch(config-mon-erspan-src)# exit
Step 15
Switch(config)# erspan {tos tos-value |
ttl ttl-value}
Step 16
Switch(config)# end
Configuration Examples for ERSPAN
•
Example: Configuring an ERSAPN Source Session
Switch> enable
Switch# configure terminal
Switch(config)# monitor session 1 type erspan-source
Switch(config-mon-erspan-src)# description source1
Switch(config-mon-erspan-src)# source interface fastethernet 0/1 rx
Switch(config-mon-erspan-src)# filter vlan 3
Switch(config-mon-erspan-src)# no shutdown
Switch(config-mon-erspan-src)# destination
Switch(config-mon-erspan-src-dst)# ip address 192.0.2.9
Switch(config-mon-erspan-src-dst)# erspan-id 2
Switch(config-mon-erspan-src-dst)# origin ip address 203.0.113.2
Switch(config-mon-erspan-src-dst)# vrf 1
Switch(config-mon-erspan-src)# exit
Switch(config)# erspan ttl 32
Switch(config)# end
Switch#
Verifying ERSPAN
To verify the ERSPAN configuration, use the following commands:
The following is sample output from the show monitor session erspan-source command:
Switch# show monitor session erspan-source session
Type : ERSPAN Source Session
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
67-6
Example: Configuring an ERSAPN Source Session, page 67-6
Purpose
(Optional) Configures the VRF name to use instead of the global
routing table.
Exits ERSPAN monitor destination session configuration mode and
returns to ERSPAN monitor source session configuration mode.
Exits ERSPAN monitor source session configuration mode and
returns to privileged EXEC mode.
Configures type of service (ToS) and Time to Live (TTL) values for
packets in the ERSPAN traffic.
The configured ToS and TTL values apply to
Note
all configured ERSPAN sessions. The ToS
and TTL values for ERSPAN are configured
in global configuration mode.
Exits global configuration mode and returns to privileged EXEC
mode.
Chapter 67 Configuring ERSPAN