The MPLS WG Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Fwd: Re: Reception of RSVP packets at intermediate node
On Sat, 29 Dec 2001, Raju Venkatraman wrote: RV>Hi Folks, RV> RV>Pls. excuse me for sending this again. Unfortunately, I haven't got any RV>satisfactory answer yet. RV> RV>How the other portable implementation of RSVP(TE) from vendors like Data RV>Connection, Trillium, Netplane and Future Soft take care of this. How their RV>portable implementation of RSVP intercept and receive the RSVP protocol RV>messages on SunOS/Solaris when running on transit nodes? They claim to be RV>providing portability for SunOS/Solaris though. Which socket option to be RV>used???? Or something special needs to be done???? Raju, I suggest you look into the source code of the linux source code since they do have a linux implementation somewhere. -ajay implementation RV> RV>Any response shall be greatly appreciated. RV>Thanks in advance. RV>Raju RV> RV> RV> RV>>From: "Raju Venkatraman" <raju_vvs@hotmail.com> RV>>To: pingpan@juniper.net, David.Charlap@marconi.com, ccamp@ops.ietf.org RV>>CC: mpls@UU.NET RV>>Subject: Re: Reception of RSVP packets at intermediate node RV>>Date: Fri, 21 Dec 2001 01:16:40 +0000 RV>> RV>> RV>>Hi, RV>> RV>>Can someone point me to these SunOS patches that were required to fix the RV>>problem of RSVP packets interception and reception at intermedite nodes. RV>>Are RV>>they publically available at some site????? RV>> RV>>How does the other protable implementations take care of it when they run RV>>over SunOS/Solaris??? Which socket option they use? RV>> RV>>Any help shall be greatly appreciated. RV>>Regards. RV>>Raju RV>> RV>> RV>> RV>>>From: Ping Pan <pingpan@juniper.net> RV>>>To: David Charlap <David.Charlap@marconi.com> RV>>>CC: mpls@UU.NET RV>>>Subject: Re: Reception of RSVP packets at intermediate node RV>>>Date: Thu, 13 Dec 2001 15:45:34 -0800 RV>>> RV>>>Hi, RV>>> RV>>>There are several ways to receive RSVP Path messages (the Resv messages RV>>>can be sent hop-by-hop): RV>>> RV>>>1. Both FreeBSD and Linux have modified the IP forwarding in the kernel RV>>>to send/receive IP Router Alert packets via a raw socket. RV>>> RV>>>2. You can also use ipfw to define some filters to intercept the messages. RV>>> RV>>>3. In my past life, I had written a kernel extension for FreeBSD that RV>>>can intercept all sort of IP option packets via a new socket family. RV>>>Check http://www.cs.columbia.edu/~pingpan/software_list.htm RV>>> RV>>>4. I recall Don Hoffman and Mike Speer had done SunOS patches. Check RV>>>http://www.isi.edu/div7/rsvp/release.html RV>>> RV>>>Take care! RV>>> RV>>>- Ping RV>>> RV>>> RV>>> RV>>>David Charlap wrote: RV>>> RV>>>>Raju Venkatraman wrote: RV>>>> RV>>>>>I'd appreciate any help to my question. RV>>>>> RV>>>>>Is there a socket option to intercept and receive RSVP protocol RV>>>>>messages at intermediate node on Sun Solaris [reception of packets RV>>>>>not destined to this intermediate node]? RV>>>>> RV>>>> RV>>>>Sounds like this question would be better asked on a forum for Solaris RV>>>>programming. Perhaps comp.unix.programmer, comp.unix.solaris, or one of RV>>>>the comp.sys.sun groups. RV>>>> RV>>>>I am, unfortunately not familiar with Solaris, but I seem to remember RV>>>>that a kernel patch was required to make router alert work on SunOS RV>>>>version 4.x. A similar patch may be required for Solaris. RV>>>> RV>>>>-- David RV>>>> RV>>>> RV>>> RV>>> RV>> RV>> RV>>_________________________________________________________________ RV>>Send and receive Hotmail on your mobile device: http://mobile.msn.com RV>> RV> RV> RV>_________________________________________________________________ RV>Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp. RV> -- Ajay Simha MPLS Deployment Engineer IOS Technology Division (919) 392-3141 "Study as if you were to live forever Live as if you were to die tomorrow" - Mahatma Gandhi
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