Cisco Nexus 3548 Command Reference Manual page 99

System Management Commands
mtu
To configure the truncation of source packets for each SPAN or ERSPAN session based on the size of
their MTU, use the mtu command. To remove the truncation, use the no form of this command.
Syntax Description
size
Defaults Disabled
Command Modes
Monitor configuration mode (SPAN)
ERSPAN source configuration mode (ERSPAN)
Release
Command History
6.0(2)A4(1)
Usage Guidelines This command does not require a license.
Examples The following example shows how to configure MTU truncation for a local session:
switch# configure terminal
switch(config)# monitor session 5
switch(config-monitor)# source interface ethernet 1/5 both
switch(config-monitor)# mtu 512
switch(config-monitor)# destination interface Ethernet 1/39
switch(config-monitor)# no shut
switch(config-monitor)# show monitor session 5
session 5
---------------
type : local
state : down (No operational src/dst)
mtu : 512
source intf :
rx : Eth1/5
tx : Eth1/5
both : Eth1/5
source VLANs :
rx :
destination ports : Eth1/39
Legend: f = forwarding enabled, l = learning enabled
OL-27851-02
mtu size
no mtu size
Configures the MTU size for truncation. Any SPAN packet that is larger
than the configured MTU size is truncated to the configured size with a
4-byte offset.
The MTU truncation size is between 64 bytes and 1518 bytes.
Modification
This command was introduced.
Cisco Nexus 3548 Switch NX-OS System Management Command Reference
mtu
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