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B-23
Monitoring and Analyzing Switch Operation
Status and Counters Data
VLAN Information
The switch uses the CLI to display the following VLAN status:
For example, suppose that your switch has the following VLANs:
PortsVLANVID
A1 - A12DEFAULT_VLAN 1
A1, A2VLAN-33 33
A3, A4VLAN-44 44
The next three figures show how you could list data on the above VLANs.
Listing the VLAN ID (VID) and Status for ALL VLANs in the Switch.
Figure B-16. Example of VLAN Listing for the Entire Switch
Show Command
Output
show vlan
Lists:
• Maximum number of VLANs to support
• Existing VLANs
• Status (static or dynamic)
• Primary VLAN
show vlan <
vlan-id
>
For the specified VLAN, lists:
• Name, VID, and status (static/dynamic)
• Per-Port mode (tagged, untagged, forbid, no/auto)
• “Unknown VLAN” setting (Learn, Block, Disable)
• Port status (up/down)
3500-5400-6200-8200-MCG-Jan08-K_13_01.book Page 23 Monday, January 28, 2008 10:04 AM