8-12
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 8 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling
Configuring Layer 2 Protocol Tunneling on the Switch
Console> (enable) show port l2protocol-tunnel 3/1
Port Tunnel Protocol(s) Drop Threshold Shutdown Threshold
------------------------ ------------------ -------------- ------------------
3/1 None 0 0
Port CDP CDP STP STP VTP VTP
Drop Shutdown Drop Shutdown Drop Shutdown
Threshold Threshold Threshold Threshold Threshold Threshold
-------------------- --------- --------- --------- --------- --------- ---------
3/1 200 400 0 0 0 0
Console> (enable)
Specifying CoS on Layer 2 Protocol Tunneling Ports
You can specify a class of service (CoS) value globally on all the ingress Layer 2 protocol tunneling
ports. Because the CoS value applies to all the ingress tunneling ports, all the encapsulated PDUs that
are sent out by the switch have the same CoS value. The valid values are from 0–7, and the default CoS
is 5.
To specify a CoS value globally on all the ingress Layer 2 protocol tunneling ports, perform this task in
privileged mode:
This example shows how to set the CoS value to 6:
Console> (enable) set l2protocol-tunnel cos 6
New CoS value is 6.
Console> (enable)
Console> (enable) show l2protocol-tunnel statistics 4/1
Tunneling CoS is set to 6.
Port CDP Frames Encap CDP Frames De-encap
----- -------------------- --------------------
4/1 97465 94434
Console> (enable)
Console> (enable) clear l2protocol-tunnel cos
Default Cos set to 5.
Console> (enable)
Task Command
Step 1
Globally specify a CoS value. set l2protocol-tunnel cos cos-value
Step 2
Verify the configuration. show l2protocol-tunnel statistics [mod[/port]]
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