October 2025 - mice-discuss - lists.micemn.net

RE: v6 on rs1/rs2 fubar?

by Mark Kane

FWIW, we saw this from rs1/rs2 on a Cisco: Oct 7 14:49:10 CDT: bgp[1087]: %ROUTING-BGP-3-MALFORM_UPDATE : Malformed UPDATE message received from neighbor 2001:504:27::d1af:0:2 (VRF: default) - message length 171 bytes, error flags 0x00000100, action taken "TreatAsWdr". Error details: "Error 0x00000100, Field "Attr-length", Attribute 35 (Flags 0xe0, Length 1024), Data [f0230400]". NLRIs: [IPv6 Unicast] 2402:2de0::/32 Oct 7 15:18:11 CDT: bgp[1087]: %ROUTING-BGP-3-MALFORM_UPDATE : Malformed UPDATE message received from neighbor 2001:504:27::d1af:0:1 (VRF: default) - message length 171 bytes, error flags 0x00000100, action taken "TreatAsWdr". Error details: "Error 0x00000100, Field "Attr-length", Attribute 35 (Flags 0xe0, Length 1024), Data [f0230400]". NLRIs: [IPv6 Unicast] 2402:2de0::/32 Both sessions have remained up and appear normal. > -----Original Message----- > From: Jay Hanke via mice-discuss <mice-discuss(a)lists.micemn.net> > Sent: October 7, 2025 15:34 > To: Jonathan Stewart <jonathan(a)les.net> > Cc: mice-discuss(a)lists.micemn.net > Subject: Re: v6 on rs1/rs2 fubar? > > Confirmed at FLIX/CIX-ATL/PIT-IX so far. > > All juniper but not all junipers affected > > If someone affected can you send me a trace it would be helpful. > > On Tue, Oct 7, 2025 at 3:32 PM Jonathan Stewart <jonathan(a)les.net> wrote: > > > > I've seen BGP sessions resetting this afternoon on Juniper. > > > > What more do we know from the global community? > > > > Jonathan Stewart > > Network Engineer > > LES.NET - AS18451 > > Desk: 1-204-666-6191 > > Mobile: 1-204-990-2120 > > 130 Portage Avenue E > > Winnipeg, MB R3C 0A1 > > CANADA > > > > On Tue, 2025-10-07 3:11 p.m., Jay Hanke via mice-discuss wrote: > > > Looks like it might be a worldwide issue. > > > > > > Running Juniper? > > > > > > On Tue, Oct 7, 2025 at 3:07 PM Andrew Hoyos <hoyosa(a)gmail.com> > wrote: > > >> Hi folks, > > >> > > >> We dropped v6 to rs1/rs2. Spot checked a few other members we > manage, and same deal. > > >> Any work taking place on route servers at the moment? > > >> > > >> > > >> Andrew Hoyos > > >> hoyosa(a)gmail.com > > >> > > >> > > >> > > >> _______________________________________________ > > >> mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > > >> To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net > > > _______________________________________________ > > > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > > > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net > > _______________________________________________ > > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net > _______________________________________________ > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net

Oct. 7, 2025

Re: v6 on rs1/rs2 fubar?

by Jay Hanke

Confirmed at FLIX/CIX-ATL/PIT-IX so far. All juniper but not all junipers affected If someone affected can you send me a trace it would be helpful. On Tue, Oct 7, 2025 at 3:32 PM Jonathan Stewart <jonathan(a)les.net> wrote: > > I've seen BGP sessions resetting this afternoon on Juniper. > > What more do we know from the global community? > > Jonathan Stewart > Network Engineer > LES.NET - AS18451 > Desk: 1-204-666-6191 > Mobile: 1-204-990-2120 > 130 Portage Avenue E > Winnipeg, MB R3C 0A1 > CANADA > > On Tue, 2025-10-07 3:11 p.m., Jay Hanke via mice-discuss wrote: > > Looks like it might be a worldwide issue. > > > > Running Juniper? > > > > On Tue, Oct 7, 2025 at 3:07 PM Andrew Hoyos <hoyosa(a)gmail.com> wrote: > >> Hi folks, > >> > >> We dropped v6 to rs1/rs2. Spot checked a few other members we manage, and same deal. > >> Any work taking place on route servers at the moment? > >> > >> > >> Andrew Hoyos > >> hoyosa(a)gmail.com > >> > >> > >> > >> _______________________________________________ > >> mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > >> To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net > > _______________________________________________ > > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net > _______________________________________________ > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net

Oct. 7, 2025

Re: v6 on rs1/rs2 fubar?

by Jonathan Stewart

I've seen BGP sessions resetting this afternoon on Juniper. What more do we know from the global community? Jonathan Stewart Network Engineer LES.NET - AS18451 Desk: 1-204-666-6191 Mobile: 1-204-990-2120 130 Portage Avenue E Winnipeg, MB R3C 0A1 CANADA On Tue, 2025-10-07 3:11 p.m., Jay Hanke via mice-discuss wrote: > Looks like it might be a worldwide issue. > > Running Juniper? > > On Tue, Oct 7, 2025 at 3:07 PM Andrew Hoyos <hoyosa(a)gmail.com> wrote: >> Hi folks, >> >> We dropped v6 to rs1/rs2. Spot checked a few other members we manage, and same deal. >> Any work taking place on route servers at the moment? >> >> >> Andrew Hoyos >> hoyosa(a)gmail.com >> >> >> >> _______________________________________________ >> mice-discuss mailing list -- mice-discuss(a)lists.micemn.net >> To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net > _______________________________________________ > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net

Oct. 7, 2025

Re: v6 on rs1/rs2 fubar?

by Jay Hanke

Looks like it might be a worldwide issue. Running Juniper? On Tue, Oct 7, 2025 at 3:07 PM Andrew Hoyos <hoyosa(a)gmail.com> wrote: > > Hi folks, > > We dropped v6 to rs1/rs2. Spot checked a few other members we manage, and same deal. > Any work taking place on route servers at the moment? > > > Andrew Hoyos > hoyosa(a)gmail.com > > > > _______________________________________________ > mice-discuss mailing list -- mice-discuss(a)lists.micemn.net > To unsubscribe send an email to mice-discuss-leave(a)lists.micemn.net

Oct. 7, 2025

v6 on rs1/rs2 fubar?

by Andrew Hoyos

Hi folks, We dropped v6 to rs1/rs2. Spot checked a few other members we manage, and same deal. Any work taking place on route servers at the moment? Andrew Hoyos hoyosa(a)gmail.com

Oct. 7, 2025