Cisco Catalyst 4500 Series Software Configuration Guide

67-5
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 67 Configuring ERSPAN
How to Configure ERSPAN
How to Configure ERSPAN
• Configuring an ERSPAN Source Session, page 67-5
Configuring an ERSPAN Source Session
The ERSPAN source session defines the session configuration parameters and the ports or VLANs to be
monitored.
Command or Action Purpose
Step 1
Switch> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
Switch# configure terminal
Enters global configuration mode.
Step 3
Switch(config)# monitor session
span-session-number type erspan-source
Defines an ERSPAN source session using the session ID and the
session type, and enters ERSPAN monitor source session
configuration mode.
• Session IDs for source sessions or destination sessions are in the
same global ID space, so each session ID is globally unique for
both session types.
• The span-session-number and the session type (configured by
the erspan-source keyword) cannot be changed once
configured. Use the no form of this command to remove the
session and then re-create the session with a new session ID or
a new session type.
Step 4
Switch(config-mon-erspan-src)#
description description
Describes the ERSPAN source session.
Step 5
Switch(config-mon-erspan-src)# source
{interface type number | vlan vlan-ID}
[, | - | both | rx | tx]
Configures the source interface or the VLAN, and the traffic
direction to be monitored.
Step 6
Switch(config-mon-erspan-src)# filter
{ip {standard-access-list |
expanded-access-list | acl-name} | ipv6
{access-group acl-name} | vlan vlan-ID}
(Optional) Configures source VLAN filtering when the ERSPAN
source is a trunk port.
Note You cannot include source VLANs and filter
VLANs in the same session.
Step 7
Switch(config-mon-erspan-src)# no
shutdown
Disables the shutting down of the configured session.
Step 8
Switch(config-mon-erspan-src)#
destination
Defines an ERSPAN destination session and enters ERSPAN
monitor destination session configuration mode.
Step 9
Switch(config-mon-erspan-src-dst)# ip
address ip-address
Configures an IP address for the ERSPAN destination session.
Step 10
Switch(config-mon-erspan-src-dst)#
erspan-id erspan-ID
Configures the ID used by the destination session to identify the
ERSPAN traffic.
Step 11
Switch(config-mon-erspan-src-dst)#
origin ip address ip-address
Configures the IP address used as the source for the ERSPAN traffic.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E