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Adjusts to test eBGP (different ASN values) #3900

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Adjusts to test eBGP (different ASN values) #3900

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4 changes: 4 additions & 0 deletions playbooks/bgp/prepare-bgp-spines-leaves.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -544,6 +544,8 @@
become: true
vars:
downlink_interfaces: "{{ downlink_ifs_rack3 if (rack_id | int) == 3 else leaf_downlink_ifs }}"
downlink_remote_as: "{{ 'external' if (rack_id | int) in (ebgp_racks | default([]) | map('int') | list) else 'internal' }}"
leaf_asn: "{{ ebgp_leaf_asn | default(64999) if (rack_id | int) in (ebgp_racks | default([]) | map('int') | list) else 64999 }}"
_router_id: ''
ansible.builtin.template:
src: templates/leaf-frr.conf.j2
Expand Down Expand Up @@ -599,6 +601,8 @@
- name: Configure FRR
become: true
vars:
downlink_remote_as: "{{ 'external' if (rack_id | int) in (ebgp_racks | default([]) | map('int') | list) else 'internal' }}"
leaf_asn: "{{ ebgp_leaf_asn | default(64999) if (rack_id | int) in (ebgp_racks | default([]) | map('int') | list) else 64999 }}"
_router_id: "{{ '1.1.1.20' + ansible_hostname.split('-')[-1] }}"
ansible.builtin.template:
src: templates/leaf-frr.conf.j2
Expand Down
15 changes: 11 additions & 4 deletions playbooks/bgp/templates/leaf-frr.conf.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,8 @@ debug bgp neighbor-events
debug bgp updates
debug bgp update-groups

router bgp 64999
{% set _downlink_as_mode = downlink_remote_as | default('internal') %}
router bgp {{ leaf_asn | default(64999) }}
{% if _router_id %}
bgp router-id {{_router_id}}
{% endif %}
Expand All @@ -27,7 +28,7 @@ router bgp 64999
! bgp long-lived-graceful-restart stale-time 15

neighbor downlink peer-group
neighbor downlink remote-as internal
neighbor downlink remote-as {{ _downlink_as_mode }}
neighbor downlink bfd
neighbor downlink bfd profile tripleo
{# TODO: remove the next if when RHEL-63205 is fixed #}
Expand All @@ -53,9 +54,11 @@ router bgp 64999

address-family ipv4 unicast
redistribute connected
neighbor downlink route-reflector-client
neighbor downlink default-originate
neighbor downlink next-hop-self
{% if _downlink_as_mode == 'internal' %}
neighbor downlink route-reflector-client
{% endif %}
neighbor downlink prefix-list only-host-prefixes out
neighbor uplink allowas-in origin
neighbor uplink prefix-list only-default-host-prefixes in
Expand All @@ -64,9 +67,11 @@ router bgp 64999
address-family ipv6 unicast
redistribute connected
neighbor downlink activate
neighbor downlink route-reflector-client
neighbor downlink default-originate
neighbor downlink next-hop-self
{% if _downlink_as_mode == 'internal' %}
neighbor downlink route-reflector-client
{% endif %}
neighbor uplink activate
neighbor uplink allowas-in origin
neighbor uplink prefix-list only-default-host-prefixes in
Expand All @@ -76,7 +81,9 @@ router bgp 64999
neighbor uplink activate
neighbor uplink allowas-in origin
neighbor downlink activate
{% if _downlink_as_mode == 'internal' %}
neighbor downlink route-reflector-client
{% endif %}
exit-address-family

ip prefix-list only-default-host-prefixes permit 0.0.0.0/0
Expand Down
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