Users Guide

Table Of Contents
Layer 2 Switching Commands 728
User Guidelines
Configure the matching ERSPAN ID and IPv4 address of the source switch
flow to be transmitted on the destination interface to the packet sniffer.
ERSPAN utilizes separate source and destination sessions. This command is
configured on the destination session switch.
Command History
Command introduced in version 6.7.0 firmware.
source interface
Use this command to select the interface on the source switch from which
packets are mirrored to the reflector port. Use the no form of the command to
remove the source interface.
Syntax
source interface {
interface-id
| cpu | vlan
vlan-id
} [rx | tx]
no source interface {
interface-id
| cpu | vlan
vlan-id
}
interface-id
— An Ethernet or port-channel identifier.
cpu — The internal CPU interface.
vlan-id
— A VLAN identifier (range 1 to 4093).
rx — Mirror packets received on the interface.
tx — Mirror packets transmitted on the interface.
Default Configuration
By default, packets are mirrored in both the rx and tx direction.
Command Mode
ERSPAN Source Configuration mode
User Guidelines
ERSPAN utilizes separate source and destination sessions. This command is
configured on the source session switch.