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VLAN Tunnel

Posted on 2009-05-07
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Last Modified: 2012-05-06
I have two Cisco WS-C3548-XL switches that are connected by fiber optic cable.  I want to create a VLAN on port 48 of one switch and ports 47 and 48 on the other switch and connect them together.

I have a situation where I have two wireless access points on opposite ends of the office that I want to put on their own VLAN so I can connect them to the DMZ port on the firewall.

Thanks for any help!
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Question by:ipmcinc
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LVL 13

Expert Comment

by:Quori
ID: 24330840
SW1
vlan 2 name WIFI
int vlan2
shutdown
int <trunk port>
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan add 2
int fa0/48
switchport access vlan 2
switchport mode access

SW2
vlan 2 name WIFI
int vlan2
shutdown
int <trunk port>
switchport trunk encap dot1q
switchport mode trunk
switchport trunk allowed vlan add 2
int fa0/47
switchport access vlan 2
switchport mode acess
int fa0/48
switchport access vlan 2
switchport mode acess
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LVL 13

Expert Comment

by:Quori
ID: 24330842
Copy and paste fails me - on SW2 be sure to spell access properly!
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Author Comment

by:ipmcinc
ID: 24330939
Can you provide any more detail on the steps to enter in that information?  I can access the Web GUI and the Comman Line interface via IE.
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Accepted Solution

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Quori earned 500 total points
ID: 24330988
Telnet to the device and login (if so required, I hope it is) then do the following, in order

enable
configure terminal

Then execute the aforementioned config. Web GUI, no idea. I don't use ASDM and never will.
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Author Comment

by:ipmcinc
ID: 24335480
I can successfully enter configuration mode, but when I type in the first command vlan,  I get an error message "Invalid input detected at..." and it's pointing to the L in vlan.  It does not recognize the command vlan.
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LVL 13

Expert Comment

by:Quori
ID: 24350465
Okay,

Try:
enable
vlan ?

See if that returns any output. May need to add it to the database the old way.
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Author Comment

by:ipmcinc
ID: 24366649
I'm at a conference for the whole week,  but I'll test this next week and respond...
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Author Comment

by:ipmcinc
ID: 24413942
Okay I tried...it appears it doesn't like the command vlan..its happening at the same position

The prompt is SwitchB(config)#

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Author Comment

by:ipmcinc
ID: 24414065
Okay, I figured out part of it...

telnet and connect
enable
vlan database

then the prompt is Switch(vlan)#

I can do the first command vlan 2 name WIFI
but nothing else...

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Author Comment

by:ipmcinc
ID: 24415644
okay...figured out the last issue and its all working well now!!   Here is a summary of all the steps I followed:

Switch 1:
-----------------------------
telnet and connect
enable
vlan database
vlan 2 name WIFI
configure terminal
int vlan2
shutdown
int <trunk port>
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan add 2
int fa0/48
switchport access vlan 2
switchport mode access
end

Switch 2:
-----------------------------
telnet and connect
enable
vlan database
vlan 2 name WIFI
configure terminal
int vlan2
int vlan2
shutdown
int <trunk port>
switchport trunk encap dot1q
switchport mode trunk
switchport trunk allowed vlan add 2
int fa0/47
switchport access vlan 2
switchport mode acess
int fa0/48
switchport access vlan 2
switchport mode acess
end
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