Dell - Internal Use - Confidential Thanks Javier (and Andy). I can confirm this did indeed workaround the issue for me. My Google searches just weren't finding this solution for some reason, so I appreciate the assistance.
-Vinny -----Original Message----- From: Javier Henderson (javier) [mailto:[email protected]] Sent: Wednesday, July 23, 2014 9:41 AM To: Abello, Vinny Cc: [email protected] Subject: Re: [c-nsp] putty SSH errors on IOS-XR 5.1.1 > On Jul 23, 2014, at 8:43 AM, [email protected] wrote: > > Hello, > > I've got a pair of new ASR-9904 routers running IOS-XR 5.1.1 to which I've > applied SP2. Both pre and post-SP2 I keep having connectivity problems with > my normal SSH client, putty on Windows. When a lot of data is being sent at > once from the router to my client, putty will disconnect and give me the > error: "Disconnected: Server protocol violation: unexpected > SSH2_MSG_CHANNEL_FAILURE packet". I can connect to the same device all day > long using OpenSSH 6.2p2 from a FreeBSD machine with no issues. Has anyone > else seen this issue and possibly have a workaround or settings to tweak in > putty to prevent it from constantly being disconnected? FWIW, I've > experienced similar incompatibilities with putty in the past with other > network vendors, but it seems the network vendors always acknowledge the > issue on their end and fix it in future code that they release rather than a > fix for putty coming out to address it. I'm suspecting putty may be overly > strict with certain protocol compliance! > . Regardless, it would just be nice to use my tools that I manage all my > other devices with and not have to deviate to a workaround. I do have some > ASR-9001's also in production but they are still running older 4.2.3 code and > I've never had this issue on them. Hi Vinny, On PuTTY go to: Configuration -> Connection -> SSH -> Bugs And set “Chokes on PuTTY’s SSH-2 ‘windadj’ requests” to On (the default is Auto). Javier Henderson [email protected] _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
