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[action] [PR:17888] update d18u8s4 PT0 ASN to 4 bytes#19474

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mssonicbld merged 1 commit intosonic-net:202411from
mssonicbld:cherry/202411/17888
Jul 9, 2025
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[action] [PR:17888] update d18u8s4 PT0 ASN to 4 bytes#19474
mssonicbld merged 1 commit intosonic-net:202411from
mssonicbld:cherry/202411/17888

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Description of PR

Summary:
Fixes same issue in #22022 by updating the peer T0's ASN to 4 bytes ASN number.

Type of change

  • Bug fix
  • Testbed and Framework(new/improvement)
  • New Test case
  • Skipped for non-supported platforms
  • Test case improvement

Back port request

  • 202012
  • 202205
  • 202305
  • 202311
  • 202405
  • 202411

Approach

What is the motivation for this PR?

Fix topo error.

How did you do it?

How did you verify/test it?

admin@sonic:~$ show ip bgp summary

IPv4 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 2
RIB entries 3, using 672 bytes of memory
Peers 12, using 8903712 KiB of memory
Peer groups 5, using 320 bytes of memory


Neighbhor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd NeighborName
----------- --- ---------- --------- --------- -------- ----- ------ --------- -------------- --------------
10.0.0.57 4 64600 0 0 0 0 0 never Active ARISTA01T1
10.0.0.59 4 64600 0 0 0 0 0 never Active ARISTA02T1
10.0.0.61 4 64600 0 0 0 0 0 never Active ARISTA03T1
10.0.0.63 4 64600 0 0 0 0 0 never Active ARISTA04T1
10.0.0.65 4 64600 0 0 0 0 0 never Active ARISTA05T1
10.0.0.67 4 64600 0 0 0 0 0 never Active ARISTA06T1
10.0.0.69 4 64600 0 0 0 0 0 never Active ARISTA07T1
10.0.0.71 4 64600 0 0 0 0 0 never Active ARISTA08T1
10.0.0.157 4 4200000000 0 0 0 0 0 never Active ARISTA01PT0
10.0.0.159 4 4200000001 0 0 0 0 0 never Active ARISTA02PT0
10.0.0.161 4 4200000002 0 0 0 0 0 never Active ARISTA03PT0
10.0.0.163 4 4200000003 0 0 0 0 0 never Active ARISTA04PT0

Total number of neighbors 12
admin@sonic:~$ show ipv6 bgp summary

IPv6 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 2
RIB entries 3, using 672 bytes of memory
Peers 12, using 8903712 KiB of memory
Peer groups 5, using 320 bytes of memory


Neighbhor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd NeighborName
----------- --- ---------- --------- --------- -------- ----- ------ --------- -------------- --------------
fc00::7a 4 64600 0 0 0 0 0 never Active ARISTA03T1
fc00::7e 4 64600 0 0 0 0 0 never Active ARISTA04T1
fc00::8a 4 64600 0 0 0 0 0 never Active ARISTA07T1
fc00::8e 4 64600 0 0 0 0 0 never Active ARISTA08T1
fc00::17a 4 4200000002 0 0 0 0 0 never Active ARISTA03PT0
fc00::17e 4 4200000003 0 0 0 0 0 never Active ARISTA04PT0
fc00::72 4 64600 0 0 0 0 0 never Active ARISTA01T1
fc00::76 4 64600 0 0 0 0 0 never Active ARISTA02T1
fc00::82 4 64600 0 0 0 0 0 never Active ARISTA05T1
fc00::86 4 64600 0 0 0 0 0 never Active ARISTA06T1
fc00::172 4 4200000000 0 0 0 0 0 never Active ARISTA01PT0
fc00::176 4 4200000001 0 0 0 0 0 never Active ARISTA02PT0

Total number of neighbors 12
admin@sonic:~$ 

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

What is the motivation for this PR?
Fix topo error.

How did you do it?
How did you verify/test it?
admin@sonic:~$ show ip bgp summary

IPv4 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 2
RIB entries 3, using 672 bytes of memory
Peers 12, using 8903712 KiB of memory
Peer groups 5, using 320 bytes of memory


Neighbhor      V          AS    MsgRcvd    MsgSent    TblVer    InQ    OutQ  Up/Down    State/PfxRcd    NeighborName
-----------  ---  ----------  ---------  ---------  --------  -----  ------  ---------  --------------  --------------
10.0.0.57      4       64600          0          0         0      0       0  never      Active          ARISTA01T1
10.0.0.59      4       64600          0          0         0      0       0  never      Active          ARISTA02T1
10.0.0.61      4       64600          0          0         0      0       0  never      Active          ARISTA03T1
10.0.0.63      4       64600          0          0         0      0       0  never      Active          ARISTA04T1
10.0.0.65      4       64600          0          0         0      0       0  never      Active          ARISTA05T1
10.0.0.67      4       64600          0          0         0      0       0  never      Active          ARISTA06T1
10.0.0.69      4       64600          0          0         0      0       0  never      Active          ARISTA07T1
10.0.0.71      4       64600          0          0         0      0       0  never      Active          ARISTA08T1
10.0.0.157     4  4200000000          0          0         0      0       0  never      Active          ARISTA01PT0
10.0.0.159     4  4200000001          0          0         0      0       0  never      Active          ARISTA02PT0
10.0.0.161     4  4200000002          0          0         0      0       0  never      Active          ARISTA03PT0
10.0.0.163     4  4200000003          0          0         0      0       0  never      Active          ARISTA04PT0

Total number of neighbors 12
admin@sonic:~$ show ipv6 bgp summary

IPv6 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 2
RIB entries 3, using 672 bytes of memory
Peers 12, using 8903712 KiB of memory
Peer groups 5, using 320 bytes of memory


Neighbhor      V          AS    MsgRcvd    MsgSent    TblVer    InQ    OutQ  Up/Down    State/PfxRcd    NeighborName
-----------  ---  ----------  ---------  ---------  --------  -----  ------  ---------  --------------  --------------
fc00::7a       4       64600          0          0         0      0       0  never      Active          ARISTA03T1
fc00::7e       4       64600          0          0         0      0       0  never      Active          ARISTA04T1
fc00::8a       4       64600          0          0         0      0       0  never      Active          ARISTA07T1
fc00::8e       4       64600          0          0         0      0       0  never      Active          ARISTA08T1
fc00::17a      4  4200000002          0          0         0      0       0  never      Active          ARISTA03PT0
fc00::17e      4  4200000003          0          0         0      0       0  never      Active          ARISTA04PT0
fc00::72       4       64600          0          0         0      0       0  never      Active          ARISTA01T1
fc00::76       4       64600          0          0         0      0       0  never      Active          ARISTA02T1
fc00::82       4       64600          0          0         0      0       0  never      Active          ARISTA05T1
fc00::86       4       64600          0          0         0      0       0  never      Active          ARISTA06T1
fc00::172      4  4200000000          0          0         0      0       0  never      Active          ARISTA01PT0
fc00::176      4  4200000001          0          0         0      0       0  never      Active          ARISTA02PT0

Total number of neighbors 12
admin@sonic:~$
@mssonicbld
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Original PR: #17888

@mssonicbld
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/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

@mssonicbld mssonicbld merged commit 4346afd into sonic-net:202411 Jul 9, 2025
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