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Hardware Thread, Routing question on a linksys (cisco) router in Technical; I have a linksys RV082 router thing which i would like to use to route a connection from a network ...
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    Routing question on a linksys (cisco) router

    I have a linksys RV082 router thing which i would like to use to route a connection from a network with IP range 172.17.2.0 subnet 255.255.255.0 into a network with ip range 10.6.8.0 with subnet 255.255.248.0.

    I've set the unit up as belonging to the 172.17.2.0 network and set the wan interface to be a static ip on the 10.6.8.0 network with all the apropriate dns and default gateway info.

    I've tried doing the following, one at a time and all together

    setting a secondary ip/subnet range.
    adding a route from the wan interface to the 172 network,
    adding a route from the lan interface to the 10 network.

    sometimes these routes appear in the routing table, sometimes they don't.

    anyone got any idea what i'm doing wrong?
    have i got a box that won't do it?
    should i just go home and mop up the floods?

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    SYNACK's Avatar
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    Are you routing or using NAT as if you are routing the upstream router will also need a route back to the 172.x network that points to the 10.x interface of the linksys router.

    Not sure about that particular router per say but a static route in it should probably work.

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    Oaktech (18th August 2011)

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    right... i'm trying to route, i think, but does the upstream router really need to know as the only router which is upstream is the gateway? really all i'm trying to do is bridge across two networks to allow them to share resources.

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    DT2
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    just enable rip/ospf, this will update routes between the devices without the need for static routes.

    DT

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    i've got rip enabled on both boxes and it seems to have no effect. i'm going to try an older allied telesyn unit tomorrow.

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    Quote Originally Posted by Oaktech View Post
    right... i'm trying to route, i think, but does the upstream router really need to know as the only router which is upstream is the gateway? really all i'm trying to do is bridge across two networks to allow them to share resources.
    Only if you want to be able to access anything beyond that subnet on the other side, and RIP/OSPF will only work to enable traffic beyond those two subnets if the upstream router supports it.

    For stuff to communicate between networks they must all use the local interface on that router as a default gateway otherwise they don't know where to go. By putting the route in the upstream router it means the clients can still point at that and the packets will still get through.

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    Oaktech (19th August 2011)

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    I've done some reading based on what you've said and i see your point, our gateway router belongs to swgfl so we are going to contact them with a request for those routes to be applied, and also for RIP to be enabled as it may make our lives easier in the long run.

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