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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
monitor session
monitor session
To enable the SPAN sessions on interfaces or VLANs, use the monitor session command. To remove
one or more source or destination interfaces from a SPAN session, or a source VLAN from a SPAN
session, use the no form of this command.
monitor session session {destination interface {FastEthernet interface-number |
GigabitEthernet interface-number} [encapsulation {isl | dot1q}] [ingress [vlan vlan_id]
[learning]]} | {remote vlan vlan_id} | {source { interface {FastEthernet interface-number |
GigabitEthernet interface-number | Port-channel interface-number}} | [vlan vlan_id]
|{remote vlan vlan_id} | {cpu [queue queue_id | acl { input {copy {rx} | error {rx} | forward
{rx} | punt {rx} | rx} } | output {copy {rx} | error {rx} | forward {rx} | punt {rx
} | rx} | all
{rx} | control-packet {rx} | esmp {rx} | l2-forward { adj-same-if {rx} | bridge-cpu {rx} |
ip-option {rx} | ipv6-scope-check-fail {rx} | l2-src-index-check-fail {rx} | mcast-rpf-fail
{rx} | non-arpa {rx} | router-cpu {rx} | ttl-expired {rx} | ucast-rpf-fail {rx} | rx} |
l3-forward { forward {rx} | glean {rx} | receive {rx} | rx} mtu-exceeded {rx} |
unknown-port-vlan-mapping {rx} | unknown-sa {rx}]} [ , | - | rx | tx | both]} | {filter {
ip
access-group [name | id]}{vlan vlan_id [ , | - ]} | {packet-type {good | bad}} | {address-type
{unicast | multicast | broadcast} [rx | tx | both]}
no monitor session session {destination interface {FastEthernet interface-number |
GigabitEthernet interface-number} [encapsulation {isl | dot1q}] [ingress [vlan vlan_id]
[learning]]} | {remote vlan vlan_id} | {source {cpu{both | queue | rx | tx} | interface
{FastEthernet interface-number | GigabitEthernet interface-number | Port-channel
interface-number}} | [vlan vlan_id] |{remote vlan vlan_id} | {cpu [queue queue_id | acl
{input {
copy {rx} | error {rx} | forward {rx} | punt {rx} | rx} } | output {copy {rx} | error
{rx} | forward {rx} | punt {rx} | rx} | all {rx} | control-packet {rx} | esmp {rx} | l2-forward
{ adj-same-if {rx} | bridge-cpu {rx} | ip-option {rx} | ipv6-scope-check-fail {rx} |
l2-src-index-check-fail {rx} | mcast-rpf-fail {rx} | non-arpa {rx} | router-cpu {rx} |
ttl-expired {rx} | ucast-rpf-fail {rx} | rx} | l3-forward {forward {rx} | glean
{rx} | receive
{rx} | rx} mtu-exceeded {rx} | unknown-port-vlan-mapping {rx} | unknown-sa {rx}]} [ , |
- | rx | tx | both]} | {filter {ip access-group [name | id]}{vlan vlan_id [ , | - ]} | {packet-type
{good | bad}} | {address-type {unicast | multicast | broadcast} [rx | tx | both]}
Syntax Description session Number of a SPAN session; valid values are from 1 to 6.
destination Specifies a SPAN destination.
interface Specifies an interface.
FastEthernet interface-number Specifies a Fast Ethernet module and port number; valid values
are from 1 to 6.
GigabitEthernet interface-number Specifies a Gigabit Ethernet module and port number; valid
values are from 1 to 6.
encapsulation (Optional) Specifies the encapsulation type of the destination
port.
isl (Optional) Specifies ISL encapsulation.
dot1q (Optional) Specifies dot1q encapsulation.
ingress (Optional) Indicates whether the ingress option is enabled.
vlan vlan_id (Optional) Specifies the VLAN; valid values are from 1 to 4094.