inter-vlan routing

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May 12th, 2007
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I have three vlans on a 3750: 50, 51, and 52. I currently have ip routing enabled and all traffic is routing between the three vlans okay, but now I want to limit traffic to vlan 50 (use 50 as the management vlan and 51 and 52 for access vlans). do i just do this with an access-list that denies traffic from one vlan's subnet to another, or is there a way to specify ACLs directly so the filtering is at layer 2? can someone give me an example or some reference documentation?



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ankbhasi Sat, 05/12/2007 - 07:58
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Hi Matt,

ACLs are definetely traditional and easy method to achive what you are looking for.

There are MAC ACLs available on 3750 switch but they are only used for non-IPv4 traffic on a VLAN.

On the other hand you can also look for Vlan MAPs

Have a look at this link



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