44net October 2018

44net@mailman.ampr.org

23 participants
23 discussions

Re: [44net] EdgeRouter (was Re: Difference between RIPv2 and RIP44)
by Rob Janssen 03 Oct '18

03 Oct '18

> I'm only on the mesh here Rob and I can ping 44.0.0.1. Is there a route for 44.0.0.1 in your routing table? It may be that you are actually sending your traffic to 44.0.0.1 "direct", not via a tunnel. (this depends on the setup of your machine and the version of the rip daemon you are running) Rob

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Re: [44net] EdgeRouter (was Re: Difference between RIPv2 and RIP44)
by Rob Janssen 03 Oct '18

03 Oct '18

> I believed the problem with pinging from tunneled hosts was > still there, but if it works for you, I must have forgotten. It is a bit unclear what is going on. From a host that is exclusively on the IPIP mesh the ping does not return (I see only the outgoing IPIP packet). From a host that is both on the IPIP mesh and BGP-routed on internet it does work. It looks like it replies "directly" (via the BGP route) to the replies sent as IPIP. Rob

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Re: [44net] Difference between RIPv2 and RIP44
by Rob Janssen 02 Oct '18

02 Oct '18

> A standard ripd won't ever see the RIP44 packets because they're > encapsulated in an IPIP tunnel packet. The standard ripd doesn't > know how to de-encapsulate them first. Of course when you have a single multi-point tunnel interface like in Linux (tunl0), you could have ripd listening on that interface and it would see the correct packet format. However, I think the default ripd does some sanity checks that make it fail on the special assumptions made in RIP44. Rob

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44net October 2018