Configuring The Native Vlan For Untagged Traffic - Cisco Catalyst 2960 Software Configuration Manual
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Also See for Catalyst 2960:
- Configuration manual (2288 pages) ,
- Command reference manual (800 pages) ,
- Hardware installation manual (108 pages)
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Chapter 13
Configuring VLANs
Command
Step 3
switchport trunk pruning vlan {add |
except | none | remove} vlan-list
[,vlan[,vlan[,,,]]
Step 4
end
Step 5
show interfaces interface-id switchport Verify your entries in the Pruning VLANs Enabled field of the display.
Step 6
copy running-config startup-config
To return to the default pruning-eligible list of all VLANs, use the no switchport trunk pruning vlan
interface configuration command.
Configuring the Native VLAN for Untagged Traffic
A trunk port configured with IEEE 802.1Q tagging can receive both tagged and untagged traffic. By
default, the switch forwards untagged traffic in the native VLAN configured for the port. The native
VLAN is VLAN 1 by default.
The native VLAN can be assigned any VLAN ID.
Note
For information about IEEE 802.1Q configuration issues, see the
Considerations" section on page
Beginning in privileged EXEC mode, follow these steps to configure the native VLAN on an
IEEE 802.1Q trunk:
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
switchport trunk native vlan vlan-id
Step 4
end
Step 5
show interfaces interface-id switchport
Step 6
copy running-config startup-config
OL-26520-01
Purpose
Configure the list of VLANs allowed to be pruned from the trunk. (See
the
"VTP Pruning" section on page
For explanations about using the add, except, none, and remove
keywords, see the command reference for this release.
Separate nonconsecutive VLAN IDs with a comma and no spaces; use a
hyphen to designate a range of IDs. Valid IDs are 2 to 1001.
Extended-range VLANs (VLAN IDs 1006 to 4094) cannot be pruned.
VLANs that are pruning-ineligible receive flooded traffic.
The default list of VLANs allowed to be pruned contains VLANs 2 to
1001.
Return to privileged EXEC mode.
(Optional) Save your entries in the configuration file.
13-15.
Purpose
Enter global configuration mode.
Define the interface that is configured as the IEEE 802.1Q trunk, and
enter interface configuration mode.
Configure the VLAN that is sending and receiving untagged traffic
on the trunk port.
For vlan-id, the range is 1 to 4094.
Return to privileged EXEC mode.
Verify your entries in the Trunking Native Mode VLAN field.
(Optional) Save your entries in the configuration file.
Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE
Configuring VLAN Trunks
14-6).
"IEEE 802.1Q Configuration
13-19
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