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Vlan information, Vlan information -20 – IronPort Systems 4108GL User Manual

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17-20

Monitoring and Analyzing Switch Operation
Status and Counters Data

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VLAN Information

The switch uses the CLI to display the following VLAN status:

For example, suppose that your switch has the following VLANs:

Ports

VLAN

VID

1 - 12

DEFAULT_VLAN

1

1, 2

VLAN-33

33

3, 4

VLAN-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 17-14.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)