Cisco Catalyst 3750 Metro Command Reference Manual page 345

Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
vlan vlan-id
remote vlan vlan-id
,
-
filter vlan vlan-id
source
both, rx, tx
source vlan vlan-id
all, local, remote
Defaults No monitor sessions are configured.
On a source interface, the default is to monitor both received and transmitted traffic.
On a trunk interface used as a source port, all VLANs are monitored.
If encapsulation replicate is not specified on a local SPAN destination port, packets are sent in native
form with no encapsulation tag.
Ingress forwarding is disabled on destination ports.
Command Modes Global configuration
Command History Release
12.1(14)AX
Usage Guidelines Traffic that enters or leaves source ports or source VLANs can be monitored by using SPAN or RSPAN.
Traffic routed to source ports or source VLANs cannot be monitored.
An enhanced services (ES) port cannot be a source port for a monitoring session.
You can set a combined maximum of two local SPAN sessions and RSPAN source sessions. You can have
a total of 66 SPAN and RSPAN sessions on a switch.
You can have a maximum of 64 destination ports on a switch.
OL-9645-10
When used with only the ingress keyword, set default VLAN for ingress
traffic.
Specify the remote VLAN for an RSPAN source or destination session. The
range is 2 to 1001 and 1006 to 4094.
The RSPAN VLAN cannot be VLAN 1 (the default VLAN) or
Note
VLAN IDs 1002 to 1005 (reserved for Token Ring and FDDI
VLANs).
(Optional) Specify a series of interfaces or VLANs, or separate a range of
interfaces or VLANs from a previous range. Enter a space before and after
the comma.
(Optional) Specify a range of interfaces or VLANs. Enter a space before
and after the hyphen.
Specify a list of VLANs as filters on trunk source ports to limit SPAN
source traffic to specific VLANs. The vlan-id range is 1 to 4094.
Specify the SPAN or RSPAN source. A source can be a physical port, a port
channel, or a VLAN.
(Optional) Specify the traffic direction to monitor. If you do not specify a
traffic direction, the source interface sends both transmitted and received
traffic.
Specify the SPAN source interface as a VLAN ID. The range is 1 to 4094.
Specify all, local, or remote with the no monitor session command to clear
all SPAN and RSPAN, all local SPAN, or all RSPAN sessions.
Modification
This command was introduced.
Catalyst 3750 Metro Switch Command Reference
monitor session
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