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[202503] backport [frr]: Force disable next hop group support #1740

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Merged
bingwang-ms merged 1 commit into from
Oct 22, 2025
Merged

[202503] backport [frr]: Force disable next hop group support #1740

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4 changes: 4 additions & 0 deletions dockers/docker-fpm-frr/docker_init.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,10 @@ write_default_zebra_config()
echo "no fpm use-next-hop-groups" >> $FILE_NAME
echo "fpm address 127.0.0.1" >> $FILE_NAME
}

grep -q '^no zebra nexthop kernel enable' $FILE_NAME || {
echo "no zebra nexthop kernel enable" >> $FILE_NAME
}
}

if [[ ! -z "$NAMESPACE_ID" ]]; then
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2 changes: 2 additions & 0 deletions dockers/docker-fpm-frr/frr/zebra/zebra.conf.j2
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Expand Up @@ -7,6 +7,8 @@
{% endblock banner %}
!
{% block fpm %}
! Force disable next hop group support
no zebra nexthop kernel enable
{% if ( ('localhost' in DEVICE_METADATA) and ('nexthop_group' in DEVICE_METADATA['localhost']) and
(DEVICE_METADATA['localhost']['nexthop_group'] == 'enabled') ) %}
! enable next hop group support
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3 changes: 1 addition & 2 deletions platform/vs/docker-sonic-vs/frr/zebra.conf
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Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
no zebra nexthop kernel enable
no fpm use-next-hop-groups

fpm address 127.0.0.1
zebra nexthop-group keep 1

2 changes: 2 additions & 0 deletions src/sonic-bgpcfgd/tests/data/sonic-cfggen/zebra/zebra.conf
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Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py2/t2-chassis-fe-vni-zebra.conf
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Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py2/t2-chassis-fe-zebra.conf
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Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py2/zebra_frr.conf
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Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py2/zebra_frr_dualtor.conf
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Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py3/t2-chassis-fe-vni-zebra.conf
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Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py3/t2-chassis-fe-zebra.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py3/zebra_frr.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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2 changes: 2 additions & 0 deletions src/sonic-config-engine/tests/sample_output/py3/zebra_frr_dualtor.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
! file: zebra.conf
!
!
! Force disable next hop group support
no zebra nexthop kernel enable
! Uses the old known FPM behavior of including next hop information in the route (e.g. RTM_NEWROUTE) messages
no fpm use-next-hop-groups
!
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