From: Wes Smith (wesmith@rogers.com)
Date: Mon Mar 08 2004 - 18:33:13 GMT-3
It should 'just work'... we do it all the time.
OSPF will even advertise the route if you use a fully qualified network
statement .. (ie 10.1.1.1 0.0.0.0 area 10)
"encap failed" is usually an arp problem, not a routing issue.
.. it can't find the target device's hdwr mac
address. Show arp probably shows 'incomplete' for the target address.
I'd look at basics ... misconfigured hosts ip, default gw etc.
Kenneth Wygand wrote:
>Hey everyone,
>
>
>
>I'm trying to implement a "router on a stick" scenario implementing a
>secondary IP address instead of a sub interface. The intent is to
>migrate a particular LAN segment to a new IP addressing scheme one
>device at a time and have transparent connectivity across both schemes
>simultaneously through this "patch implementation". I know if I enable
>trunking and run sub-interfaces I can "router on a stick" the network,
>but then I need to implement temporary VLANs and physically change the
>configuration on each port as the device's IP address changes (what a
>hassle!).
>
>
>
>I know the reason this is not working is because the router will not
>route packets back out the same logical interface it received them on
>(debug ip packet shows the "encapsulation failed" messages when trying
>to place the packets back on the LAN segment).
>
>
>
>I thought policy routing the packets back out the same physical
>interface by matching an extended access list for traffic crossing
>between the two segments, but I received the same results.
>
>
>
>Any ideas on how I can complete this? Here's the digger - I want to
>complete this remotely so I do not have to physically go to the client's
>site, so any solutions that require desktop touches are not suitable.
>
>
>
>I know there's gotta be a way to do this!!
>
>
>
>Kenneth E. Wygand
>Systems Engineer, Project Services
>
>CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
>Network+, A+
>Custom Computer Specialists, Inc.
>
>"The only unattainable goal is the one not attempted."
>-Anonymous
>
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