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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 66 Configuring SPAN and RSPAN
Configuring SPAN
Configuring SPAN Sources
To configure the source for a SPAN session, perform this task:
This example shows how to configure SPAN session 1 to monitor bidirectional traffic from source
interface Fast Ethernet 5/1:
Switch(config)#
monitor session 1 source interface fastethernet 5/1
This example shows how to configure sources with differing directions within a SPAN session:
Switch(config)#
monitor session 1 source interface fa2/3 rx
Switch(config)#
monitor session 1 source interface fa2/2 tx
Switch(config)#
Command
Purpose
Switch(config)# [
no
]
monitor session
{
session_number
} {
source
{
interface
interface_list
| {
vlan
vlan_IDs
|
cpu
[
queue
queue_ids
] } [
rx
|
tx
|
both
]
Specifies the SPAN session number (1 through 6),
the source interfaces (FastEthernet or
GigabitEthernet), VLANs (1 through 4094),
whether traffic received or sent from the CPU is
copied to the session destination, and the traffic
direction to be monitored.
For
session_number
, specifies the session number
identified with this RSPAN session (1 through 6).
For
interface-list
, specifies the source port to
monitor. Valid interfaces include physical
interfaces and port-channel logical interfaces
(
port-channel
port-channel-number
)
.
For
vlan_IDs
, specifies the source VLAN.
For
queue_ids
, specifies the queue(s) involved.
(Optional) [
,
|
-
] Specifies a series or range of
interfaces. Enter a space after the comma; enter a
space before and after the hyphen.
(Optional) Specifies the direction of traffic to
monitor. If you do not specify a traffic direction,
the source interface sends both transmitted (Tx)
and received (Rx) traffic. Only received traffic
can be monitored on additional source ports.
•
Rx
—Monitor received traffic.
•
Tx
—Monitor transmitted traffic.
•
both
—Monitor both received and transmitted
traffic (bidirectional).
Queues may be identified either by number or by
name. Queue names may subsume multiple
numbered queues for convenience.
Use the
no
keyword to restore the defaults.
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