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Inter Vlan Routing

stballard
Level 1
Level 1

‎10-09-2003 09:06 AM - edited ‎03-02-2019 10:54 AM

Hello, I have created a VLAN on our core 4006 route switch, this VLAN is for a IP SAN. Each server has 2 NIC, one for normal traffic and one for SAN traffic only. I want to make the SAN traffic VLAN non routeable. How can I accomplish this?

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tsettle
Level 3
Level 3

‎10-09-2003 09:16 AM

1. Do not connect a router to the VLAN.

2. If you have a VLAN interface, simply don't give it an ip address. Or, don't configure the VLAN int in the first place.

3. If you have to have a router or VLAN interface connected into this VLAN then use ACLs to block all traffic in/out as necessary. Or a little less secure, don't allow the routing protocols to advertise the subnet. Again this is if you have to have a routed interface in that subnet to begin with.

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