Default Trunk Configuration; Configuring A Trunk Link; Configuring An Isl Trunk - Cisco WS-X6066-SLB-APC - Content Switching Module Software Manual

Chapter 5 Configuring Ethernet VLAN Trunks

Default Trunk Configuration

Table 5-4
Table 5-4
Feature
Trunk mode
Trunk encapsulation
Allowed VLAN range

Configuring a Trunk Link

These sections describe how to configure a trunk link on Ethernet ports and how to define the allowed
VLAN range on a trunk:
•
•
•
•
•

Configuring an ISL Trunk

To configure an ISL trunk, perform this task in privileged mode:
Task
Step 1 Configure an ISL trunk.
Step 2
Verify the trunking configuration.
This example shows how to configure a port as a trunk and how to verify the trunk configuration. This
example assumes that the neighboring port is in auto mode:
Console> (enable) set trunk 1/1 on
Port(s) 1/1 trunk mode set to on.
Console> (enable) 06/16/1998,22:16:39:DTP-5:Port 1/1 has become isl trunk
06/16/1998,22:16:40:PAGP-5:Port 1/1 left bridge port 1/1.
06/16/1998,22:16:40:PAGP-5:Port 1/1 joined bridge port 1/1.
Console> (enable) show trunk
Port
--------
1/1
Port
--------
1/1
78-13315-02
shows the default Ethernet trunk configuration.
Default Ethernet Trunk Configuration
Configuring an ISL Trunk, page 5-5
Configuring an 802.1Q Trunk, page 5-6
Configuring an ISL/802.1Q Negotiating Trunk Port, page 5-7
Defining the Allowed VLANs on a Trunk, page 5-7
Disabling a Trunk Port, page 5-8
Mode Encapsulation
----------- -------------
on isl
Vlans allowed on trunk
---------------------------------------------------------------------
1-1005, 1025-4094
Default Configuration
auto
negotiate
VLANs 1–1005, 1025-4094
Command
set trunk mod/port [on | desirable | auto |
nonegotiate] isl
show trunk [mod/port]
Status
------------
trunking
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
Default Trunk Configuration
Native vlan
-----------
1
5-5