Actually just started seeing these problems again today. Is anyone else seeing this today from something other than 212.118.142.0/24? Looks like it started about two hours ago.
Regards, Ryan Gray Long Lines www.longlines.com On Sep 12, 2011, at 8:18 PM, Schiller, Heather A wrote: > > Could be this..? > > http://www.juniper.net/techpubs/en_US/junos11.2/topics/reference/configuration-statement/independent-domain-edit-routing-options.html > > > "unrecognized transitive attributes" depend on whatever code version you are > running... What's more important is how the unrecoginized attribute is > handled. Ideally you accept and pass the route and log it. The problem is > with devices that aren't so graceful.. dropping sessions and wreaking havoc: > > http://www.cisco.com/warp/public/707/cisco-sa-20100827-bgp.shtml > > --Heather > > -----Original Message----- > From: Aftab Siddiqui [mailto:aftab.siddi...@gmail.com] > Sent: Saturday, September 10, 2011 6:49 PM > To: Richard Barnes > Cc: Jonas Frey (Probe Networks); nanog@nanog.org > Subject: Re: Saudi Telecom sending route with invalid attributes > 212.118.142.0/24 > > with in the span of couple of hours this prefix was originated from 3 ASN > i.e. AS3561 (Savvis), AS8866 (BTC) and AS25019 (STC original custodians). > > As per the STC it was orginated by one of their customer having Juniper > router. but I still don't understand why/how they are adv this prefix with > unrecog transitive attributes. > > Can any one suggest. > > Regards, > > Aftab A. Siddiqui > > > On Sun, Sep 11, 2011 at 3:26 AM, Richard Barnes > <richard.bar...@gmail.com>wrote: > >> Looks like the RIS collectors are seeing it originating mostly from >> STC and KACST ASNs: >> <http://stat.ripe.net/212.118.142.0/24> >> >> Some of the "show ip bgp" reports on that screen are also showing >> AS8866 "BTC-AS Bulgarian Telecommunication Company". Not sure what's >> up with that. >> >> --Richard >> >> >> >> On Sat, Sep 10, 2011 at 2:01 PM, Christopher Morrow >> <morrowc.li...@gmail.com> wrote: >>> On Fri, Sep 9, 2011 at 9:26 PM, Kyle Duren <pixitha.k...@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 >>>> <chay...@centracomm.net> >> wrote: >>>> >>>>> On Thu, Sep 8, 2011 at 7:11 PM, Jonas Frey (Probe Networks) < >>>>> j...@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 >>>>> >>>> >>> >>> >> >> > >
