AW: [Xorp-hackers] OSPFv2 Peering stays in INIT State on Cisco
Atanu Ghosh
atanu@ICSI.Berkeley.EDU
Fri, 16 Sep 2005 15:37:11 -0700
Hi,
There are trace points in the code that are currently all enabled by
default. In the future it will be possible to manipulate them via the
xorpsh. You haven't seen any of the trace point output because the hello
packets are being rejected.
Here is an example of the output when we peer with our Cisco:
[ 2005/09/16 15:29:30 TRACE xorp_ospfv2 OSPF ] Event(2-WayReceived) Interface(fxp0/fxp0) Neighbour(x.x.x.x) State(Full)
When we get the policy code integrated it should be possible to enable
tracing down to LSA granularity.
Authentication is not implemented yet, we are focusing on getting
multiple areas working.
Atanu.
>>>>> "Patrick" == Patrick Preuss <deathdealer@gmx.net> writes:
Patrick> Hello Atanu, No problem, it makes me glad to help.
Patrick> One question is it possible to leave the debugging code in
Patrick> ospf and spend it some finder:// urls so it can be
Patrick> dynamicly turned on like the "debug ip ospf ..." commands
Patrick> on the cisco? Sorry for that but I came from the cisco side
Patrick> the world.
Patrick> I think the same thing happens also on the ethenet with
Patrick> enterasys routers but I will debug it on Monday, this
Patrick> weekend is not so good because we have some changes in our
Patrick> main applications.
Patrick> Next question where do I turn authentication on?
Patrick> Gruss Patrick Marc Preuss Nordstrasse 28 41569
Patrick> Rommerskirchen
Patrick> -----Ursprüngliche Nachricht----- Von:
Patrick> xorp-hackers-admin@icir.org
Patrick> [mailto:xorp-hackers-admin@icir.org] Im Auftrag von Atanu
Patrick> Ghosh Gesendet: Freitag, 16. September 2005 19:29 An:
Patrick> "Patrick Preuß" Cc: xorp-hackers@xorp.org;
Patrick> patrick.preuss@retail-sc.com Betreff: Re: [Xorp-hackers]
Patrick> OSPFv2 Peering stays in INIT State on Cisco
Patrick> Hi,
Patrick> I checked in the p2p code last night intending to test it
Patrick> today, you seem to have beaten me to it:-).
Patrick> Sending all the configuration files and especially the
Patrick> ethereal trace was fantastically useful.
Patrick> From the ethereal trace we can see the the Cisco sent a 60
Patrick> byte OSPF packet, the OSPF header is reporting 48
Patrick> bytes. Which is exactly what XORP is reporting. Due to the
Patrick> mismatch we are rejecting the packet.
Patrick> I can't see anything in the spec that requires zero or even
Patrick> garbage padding as in this case. There is often/always a
Patrick> requirement to pad to meet the link requirements but this
Patrick> is a 96 byte frame. A 84 byte frame would have met the 60
Patrick> byte frame requirement.
Patrick> ---------------------------------------- "Be liberal in
Patrick> what you accept, and conservative in what you send." --
Patrick> jon RFC-1122 (originates in RFC760)
Patrick> ----------------------------------------
Patrick> I will attempt to make the code more liberal.
Patrick> Thanks again for the traces.
Patrick> Atanu.
>>>>> "Patrick" == Patrick Preu <Patrick> writes:
Patrick> Hello i have testet the OSPF Code on a Linux Machine over a
Patrick> GRE Interface to a Cisco 7507 and see that the Session
Patrick> stays in the INIT/- State on the Cisco.
Patrick> The XORP tells me the Packet size is not Correct.
Patrick> i have used two different configurations, one you will find
Patrick> attached is w/o setting p2p mode, the other is with p2p and
Patrick> both report the same.
Patrick> i have used quaggar also and there is no problem. i can
Patrick> provide more information if needed.
Patrick> XORP Router: Distribution: Fedora Core 3 Kernel:
Patrick> 2.6.12-1.1376_FC3
Patrick> Networking: gre or eth
Patrick> Cisco Router:
Patrick> Cisco 7507 IOS: RSP Software (RSP-JK9SV-M), Version
Patrick> 12.3(13)
Patrick> The Tunnel is configured from the OS.
Patrick> Please have a look at Bug 216
Patrick> http://www.xorp.org/bugzilla/show_bug.cgi?id=216
Patrick> -- best regards Patrick Marc Preuss
Patrick>
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