Solaris 8 used ICMP mask requests as a part of the jumpstart process. Newer versions might also.
But they didn't send requests to a router, they sent directed requests to the jumpstart server IIRC. /chris > -----Original Message----- > From: cisco-nsp-boun...@puck.nether.net [mailto:cisco-nsp- > boun...@puck.nether.net] On Behalf Of John Neiberger > Sent: Friday, January 07, 2011 5:10 PM > To: cisco-nsp@puck.nether.net > Subject: [c-nsp] ICMP Mask Requests on 6500 > > This is an interesting one. I have a TAC case open, but I thought I'd > check to see if anyone had ever seen this before. We had some old > equipment that uses ICMP mask requests to get its subnet information. > When this equipment is connected to an old 7513 running 11.1 code, the > router replies to the mask request with an ICMP mask reply. When we > move that device to a 6513 (Sup720, 12.2 code) we can see the mask > request come in, but the 6500 never sends a reply. According to Cisco, > the code to do the reply is in the IOS, 12.2(18)SXF9, so it must be a > bug. However, it also didn't work in 12.2(33)SXI5. > > I'm beginning to think the code is actually being deprecated since no > one really uses this feature any more. Have any of you ever had to > deal with ICMP mask requests and replies before? > > Thanks! > John > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
