Hi, Thanks for the illustrative capture files. There's nothing better then to have that, so that we can look straight at the problem. I've used them to open an issue here: https://gitlab.com/wireshark/wireshark/-/issues/17868 which I can use to resolve the problem.
Thanks, Jaap > Op 10-01-2022 17:13 schreef max payne.. <pankaj.knit...@gmail.com>: > > > Hi Jaap, > > Thanks for your response. > Please find the attached wireshark capture for "multiple FEC stack change > TLV" and "FEC stack change with Target FEC TLV" not decoded properly. > Also the bytes sent in mail below are complete encapsulation with all headers > and those bytes can be directly copied to online hex-decoder for a quick look. > > > On Fri, Jan 7, 2022 at 12:31 PM Jaap Keuter <jaap.keu...@xs4all.nl > mailto:jaap.keu...@xs4all.nl > wrote: > > > Hi, > > > > The immediate response by Alexis was to open an issue on the Wireshark > > issue tracker. > > My response would be to attach a small sample capture file with the > > packets, instead of some bytes or screenshot to the email. > > > > Can you do either of those? > > > > Jaap > > > > > > > > > On 6 Jan 2022, at 06:31, max payne.. <pankaj.knit...@gmail.com > > > mailto:pankaj.knit...@gmail.com > wrote: > > > > > > Hi Team, > > > > > > I have not got the resolution for the issue below. > > > > > > This was the link provided to me. > > > https://www.wireshark.org/mailman/confirm/wireshark-dev/d4b89dd02f824a954e2e3ffa37151bf0f7ebacbc > > > > > > On Fri, Dec 3, 2021 at 12:27 AM max payne.. <pankaj.knit...@gmail.com > > > mailto:pankaj.knit...@gmail.com > wrote: > > > > > > > Hi, > > > > > > > > This is to inform you that we are supporting FEC Stack Change Sub-TLV > > > > in DDMAP TLV. I have Hex Dump, which is correct as per my understanding > > > > but it is not getting decoded on Wireshark or Online Decoder. > > > > > > > > Please let me know if the latest Wireshark "Version 3.6.0 > > > > (v3.6.0-0-g3a34e44d02c9)" supports the following (RFC 8029 3.4.1.3 > > > > https://datatracker.ietf.org/doc/html/rfc8029#section-3.4.1.3 . FEC > > > > Stack Change Sub-TLV) :- > > > > 1) Multiple FEC stack change sub-TLV in DDMap TLV, whereas single FEC > > > > stack change TLV is decoded properly. Please find the HEX dump below. > > > > 2) FEC stack change sub-TLV along with FEC stack sub-TLV in DDMap TLV > > > > is not decoded properly. Please find the HEX dump below. > > > > > > > > I am having following HEX Dump, which is not getting decoded properly > > > > on wireshark or online decoder "https://hpd.gasmi.net/"; > > > > > > > > > > > > Two FEC stack Sub-TLV in DDMAP TLV not decoded properly on wireshark > > > > or on https://hpd.gasmi.net/ > > > > Ethernet: 18 92 a4 55 71 04 00 23 8a fb c2 04 81 00 00 d4 > > > > 08 00 > > > > > > > > IP: 45 00 > > > > IP Len: 00 68 > > > > 71 a5 00 00 ff 11 29 a4 07 07 > > > > 07 07 09 09 09 09 > > > > > > > > UDP: 0d af 0d af > > > > UPD Len: 00 54 > > > > a8 b1 > > > > > > > > ECHO: 00 01 > > > > 00 00 02 02 08 02 00 00 00 16 00 00 00 03 e4 ae > > > > 50 eb 6f c5 47 9d e4 ae 50 eb 70 2a dc 4c > > > > > > > > DDMAP: 00 14 00 28 > > > > 05 dc 01 02 d2 01 01 01 d2 01 01 01 00 00 > > > > SUB-Len: 00 18 > > > > > > > > Stack-chg Type: 00 03 00 08 > > > > Value : 02 01 00 00 > > > > 06 06 06 06 > > > > > > > > Stack-chg Type: 00 03 00 08 > > > > Value : 02 01 00 00 > > > > 07 07 07 07 > > > > > > > > FEC stack change sub-TLV with FEC sub-TLV (IGP IPV4 Prefix Segment TLV) > > > > not decoded properly on wireshark or on https://hpd.gasmi.net/. > > > > > > > > Ethernet: 18 92 a4 55 71 04 00 23 8a fb c2 04 81 00 00 d4 > > > > 08 00 > > > > > > > > IP: 45 00 > > > > IP Len: 00 68 > > > > 71 a5 00 00 ff 11 29 a4 07 07 > > > > 07 07 09 09 09 09 > > > > > > > > UDP: 0d af 0d af > > > > UPD Len: 00 54 > > > > a8 b1 > > > > > > > > ECHO: 00 01 > > > > 00 00 02 02 08 02 00 00 00 16 00 00 00 03 e4 ae > > > > 50 eb 6f c5 47 9d e4 ae 50 eb 70 2a dc 4c > > > > > > > > DDMAP: 00 14 00 28 > > > > 05 dc 01 02 d2 01 01 01 d2 01 01 01 00 00 > > > > SUB-Len: 00 18 > > > > > > > > Stack-chg Type: 00 03 00 08 > > > > Value : 02 01 0c 00 > > > > 06 06 06 06 > > > > > > > > FEC TLV Type: 00 0e 00 08 > > > > Value : 01 01 01 01 > > > > 20 00 00 00 > > > > > > > > Whereas multiple Label-Stack sub-TLV in DDMap TLV is getting properly > > > > decoded on https://hpd.gasmi.net/ > > > > Ethernet: 18 92 a4 55 71 04 00 23 8a fb c2 04 81 00 00 d4 > > > > 08 00 > > > > > > > > IP: 45 00 > > > > IP Len: 00 60 > > > > 71 a5 00 00 ff 11 29 a4 07 07 > > > > 07 07 09 09 09 09 > > > > > > > > UDP: 0d af 0d af > > > > UPD Len: 00 4C > > > > a8 b1 > > > > > > > > MPLS Echo: 00 01 > > > > 00 00 02 02 08 02 00 00 00 16 00 00 00 03 e4 ae > > > > 50 eb 6f c5 47 9d e4 ae 50 eb 70 2a dc 4c > > > > > > > > DDMAP: 00 14 00 20 > > > > 05 dc 01 02 d2 01 01 01 d2 01 01 01 00 00 > > > > SUB-Len: 00 10 > > > > > > > > Label-S: 00 02 00 04 > > > > 00 00 30 06 > > > > > > > > Label-S: 00 02 00 04 > > > > 00 00 30 06 > > > > > > > > -- > > > > Pankaj Verma > > > > > > > > > > > > > -- > > > Pankaj Verma > > > ___________________________________________________________________________ > > > Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org > > > mailto:wireshark-dev@wireshark.org > > > > Archives: https://www.wireshark.org/lists/wireshark-dev > > > Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev > > > mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe > > > > > > > > > > -- > Pankaj Verma >
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