nanog mailing list archives

Re: Saudi Telecom sending route with invalid attributes 212.118.142.0/24


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Sat, 10 Sep 2011 14:01:00 -0400

On Fri, Sep 9, 2011 at 9:26 PM, Kyle Duren <pixitha.kyle () gmail com> wrote:
Is this announcement still showing up this way (no easy way to check
myself).

ripe ris?

-Kyle

On Thu, Sep 8, 2011 at 4:20 PM, Clay Haynes <chaynes () centracomm net> wrote:

On Thu, Sep 8, 2011 at 7:11 PM, Jonas Frey (Probe Networks) <
jf () probe-networks de> wrote:

Hello,

anyone else getting a route for 212.118.142.0/24 with invalid
attributes? Seems this is (again) causing problems with some (older)
routers/software.

              Announcement bits (4): 0-KRT 3-KRT 5-Resolve tree 1
6-Resolve tree 2
               AS path: 6453 39386 25019 I Unrecognized Attributes: 39
bytes
               AS path:  Attr flags e0 code 80: 00 00 fd 88 40 01 01 02
40 02 04 02 01 5b a0 c0 11 04 02 01 fc da 80 04 04 00 00 00 01 40 05 04
00 00 00 64
               Accepted Multipath


-Jonas


Yup! We're seeing the same thing too, and we're filtering it out.
Originating AS is 25019

-Clay




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