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Cisco WS-C4003 - Catalyst 4000 Chassis Switch Software Configuration Manual page 189

Software guide
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Table of Contents

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Chapter 11
Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports
-------------------------------- ------------ ----------- ----------- ----------
BigCorp
Vlan-count Max-vlan-storage Config Revision Notifications
---------- ---------------- --------------- -------------
11
Last Updater
--------------- -------- -------- -------------------------
172.20.52.10
Switch_1> (enable) show vlan
VLAN Name
---- -------------------------------- --------- ----------------------------
1
10
20
30
40
50
60
1002 fddi-default
1003 token-ring-default
1004 fddinet-default
1005 trnet-default
.
.
.
Switch_1> (enable)
Configure the supervisor engine uplinks on Switch 1 as 802.1Q trunk ports by entering the set trunk
Step 4
command. Specifying the desirable mode on the Switch 1 ports causes the ports on Switch 2 to negotiate
to become trunk links (assuming that the Switch 2 uplinks are in the default auto mode).
Switch_1> (enable) set trunk 1/1 desirable
Port(s)
2000 Jul 12 01:56:28 %DTP-5-TRUNKPORTON:Port 1/1 has become dot1q trunk
Switch_1> (enable)
Switch_1> (enable) set trunk 1/2 desirable
Port(s)
2000 Jul 12 01:56:52 %DTP-5-TRUNKPORTON:Port 1/2 has become dot1q trunk
Switch_1> (enable)
Step 5
Verify that the trunk links are up by entering the show trunk command:
Switch_1> (enable) show trunk 1
* - indicates vtp domain mismatch
Port
--------
1/1
1/2
Port
--------
1/1
1/2
Port
--------
1/1
1/2
78-12647-02
1023
V2 Mode
Pruning
disabled enabled
default
VLAN0010
VLAN0020
VLAN0030
VLAN0040
VLAN0050
VLAN0060
1/1 trunk mode set to desirable.
1/2 trunk mode set to desirable.
Mode
Encapsulation
-----------
-------------
desirable
dot1q
desirable
dot1q
Vlans allowed on trunk
---------------------------------------------------------------------
1-1005
1-1005
Vlans allowed and active in management domain
---------------------------------------------------------------------
1-2,10,20,30,40,50,60,99-105
1-2,10,20,30,40,50,60,99-105
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
1
2
13
disabled
PruneEligible on Vlans
2-1000
Status
Mod/Ports, Vlans
active
1/1-2
2/1-12
5/1-2
active
active
active
active
active
active
active
active
active
active
Status
------------
trunking
trunking
Example VLAN Trunk Configurations
server
-
Native vlan
-----------
1
1
11-13

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This manual is also suitable for:

Catalyst 4000 seriesCatalyst 2948gCatalyst 2980g

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