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how can i add vlans on a cisco 2950

Posted on 2003-10-30
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how can i add vlans on a cisco 2950
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Question by:spinoza79
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by:svenkarlsen
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Or you may have received the Cluster Management Suite (CMS) on the supporting disks with your switch, - this is a very nice tool for managing a cisco 2950 (don't mind the 'cluster', it  can also be used for a single switch).

Read about it here:
http://www.cisco.com/en/US/products/hw/switches/ps628/products_configuration_guide_chapter09186a00801cde68.html#999123
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by:jar3817
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I'm pretty sure that the 2950 only support ISL and 802.1Q, they don't actually route vlans (but I might be wrong). Meaning you could have ports 1-12 on vlan1 and 13-24 on vlan2 and then your uplink port set as a vlan trunk.  Then your uplink trunk connected to some switch with layer3 switching capabilities (we use a Catalyst 4006).  In this situation all you have to do is configure what interfaces are in which vlans:

like so:
switch#config terminal
Enter configuration commands, one per line.  End with CNTL/Z.
switch(config)#interface fastEthernet 0/1
switch(config-if)#switchport access vlan 2  

and then change your uplink port to a trunking port

switch(config)#interface fastEthernet 0/25
switch(config-if)#switchport mode trunk

You have to do the same to the other end of the uplink also.

hope this helps a little

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