Activating A Span Session - Cisco Nexus 5600 Series Configuration Manual

Configuring SPAN
Step 7
Step 8
Step 9
Step 10
Step 11

Activating a SPAN Session

The default is to keep the session state shut. You can open a session that duplicates packets from sources to
destinations.
Procedure
Step 1
Step 2
The following example shows how to activate a SPAN session:
switch# configure terminal
switch(config) # no monitor session 3 shut
OL-31641-01
Command or Action
source interface ethernet slot/port
Example:
switch(config-span-on-latency)#
source interface ethernet 1/3
destination interface ethernet slot/port
Example:
switch(config-span-on-latency)#
destination interface ethernet 1/1
mtu mtu-value
Example:
switch(config-span-on-latency)# mtu
1500
exit
Example:
switch(config-span-on-latency)# exit
copy running-config startup-config
Example:
switch(config)# copy running-config
startup-config
Command or Action
switch# configure terminal
switch(config) # no monitor session {all |
session-number} shut
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
Activating a SPAN Session
Purpose
Specifies the Ethernet interface to use as the source
SPAN port.
Specifies the Ethernet interface to use as the session
destination port.
Defines the MTU truncation size for SPAN packets.
Valid values are from 64 to 1518.
The default is no truncation enabled.
Updates the configuration and exits SPAN-on-Latency
session configuration mode.
(Optional)
Saves the change persistently through reboots and
restarts by copying the running configuration to the
startup configuration.
Purpose
Enters global configuration mode.
Opens the specified SPAN session or all
sessions.
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