Multiple Routing Tables - Sup 720

Answered Question
Jul 21st, 2009

Guys,

is this possible to do? If I want to have groups of vlans to have their own routing tables preventing the groups to route between eachother and push them to a default gateway of a firewall.

if so do you need any special hardware or software? Is an FWSM required?

Any good docs on this would be usefuly cant seem to find anything on it.

thanks

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Correct Answer by Giuseppe Larosa about 7 years 6 months ago

Hello Mick,

this is possible with sup720

you can use VRF lite or full featured MPLS VPN to have separate routing tables and subsets of interfaces

see

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/pfc3mpls.html#wp1047631

or

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/pfc3mpls.html#wp1047631

the difference is that in VRF lite no MPLS links are used and you need to provide dedicated logical links for each topology.

With MPLS this is not needed.

A FWSM is not required but it can completes the solution in some scenarios

Edit:

a design guide

http://www.cisco.com/en/US/docs/solutions/Enterprise/Network_Virtualization/PathIsol.html

Hope to help

Giuseppe

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Correct Answer
Giuseppe Larosa Tue, 07/21/2009 - 02:05

Hello Mick,

this is possible with sup720

you can use VRF lite or full featured MPLS VPN to have separate routing tables and subsets of interfaces

see

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/pfc3mpls.html#wp1047631

or

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/pfc3mpls.html#wp1047631

the difference is that in VRF lite no MPLS links are used and you need to provide dedicated logical links for each topology.

With MPLS this is not needed.

A FWSM is not required but it can completes the solution in some scenarios

Edit:

a design guide

http://www.cisco.com/en/US/docs/solutions/Enterprise/Network_Virtualization/PathIsol.html

Hope to help

Giuseppe

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