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Setting up Cisco 2960 with VLANs

Posted on 2007-07-30
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Last Modified: 2013-11-09
I have the following devices:
- 6 x accesspoints (Cisco AP1131AG)
- 1 x switch (Cisco 2960)
- 1 x Firewall (Cisco ASA5510)

The switch collects the six APs and connects to its own interface on the ASA.
Every AP have 2 SSIDs; a private net and a guest net. These two SSIDs have been given the vlan numbers 2 and 3 in the APs. The six APs are spread widely among the area to provide best coverage and roaming.
The ASA will route clients based on its vlan number.

I have plugged it like this:
F0/1: AP1
F0/2: AP2
F0/3: AP3
F0/4: AP4
F0/5: AP5
F0/6: AP6
F0/11: LAN (for mangement)
F0/12: ASA5510 (unique interface)

How do i configure the switch to allow these two vlans on every port to go forward to the ASA?
And is my solution optimal? I want to get 2 wireless nets that people can access all over the company.
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Question by:chanfandk
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Expert Comment

by:pseudocyber
ID: 19591576
You would trunk each connection to the AP's with the two vlans assigned to the trunk - 802.1q trunking.  Then, you would trunk the two vlans to the ASA, or send the vlans seperately per port - vlan A on one port, vlan B on another port.

Optimally, you would use a wirless controller and convert your AP's to "light" AP's so that all the config is done in the controller.  Then the APs build their own tunnels through your network back to the controller and you only have to worry about the vlans in once place, on the controller.

http://www.cisco.com/en/US/products/ps7206/index.html
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Author Comment

by:chanfandk
ID: 19591740
Hi pseudocyber,I can see a point with the 2106, but will stick to the equipment i already have.
There is a single line between the 2960 and the ASA. Routing will be done in the ASA, based on VLAN number.
Could you please provide me with the commands needed for configuring the 2960?
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LVL 27

Expert Comment

by:pseudocyber
ID: 19591774
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Author Comment

by:chanfandk
ID: 19652505
I saw that doc before i posted this question. You need to understand the theory in full to use it. And i dont.
I guess i should set "switchport mode trunk" on interface 1-6+12 ?
Is that it, or must i specify both vlans on every interface?
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Accepted Solution

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pseudocyber earned 750 total points
ID: 19653486
You need to define vlans 2 and 3 on the switch.
Then, set the ports to trunking mode.
Then, make the ports members of those vlans.

I'll attempt to give you the commands, though I confess to relying on ? in the cli.

(conf mode)
vlan 2
(vlan conf mode)
name SSID A
cntrl z
vlan 3

(conf int mode)
switchport mode trunk
switchport trunk encap dot1q
switchport trunk allowed vlan add 2
switchport trunk allowed vlan add 3
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