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bgp-evpn : add route reflectors documentation

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
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Alexandre Derumier 2019-09-04 09:02:32 +02:00 committed by Thomas Lamprecht
parent 6cab1704fc
commit 846e9430dd
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vxlan-and-evpn.adoc
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@ -1824,4 +1824,79 @@ iface vmbr0 inet static
----
route reflectors
^^^^^^^^^^^^^^^^
If you have a lot of proxmox nodes, or multiple proxmox clusters,
maybe do you want to avoid that each node peer with each others nodes.
For this, you can create dedicated route reflectors servers. (Minimum 2 servers for redundancy).
Here an example of configuration with frr, with rrserver1 (192.168.0.200) and rrserver2 (192.168.0.201).
rrserver1
----
router bgp 1234
bgp router-id 192.168.0.200
bgp cluster-id 1.1.1.1 #cluster-id must be the same on each route reflector
bgp log-neighbor-changes
no bgp default ipv4-unicast
neighbor fabric peer-group
neighbor fabric remote-as 1234
neighbor fabric capability extended-nexthop
neighbor fabric update-source 192.168.0.200
bgp listen range 192.168.0.0/24 peer-group fabric #allow any proxmoxnode client in the network range
!
address-family l2vpn evpn
neighbor fabric activate
neighbor fabric route-reflector-client
neighbor fabric allowas-in
exit-address-family
!
exit
!
---
rrserver2
----
router bgp 1234
bgp router-id 192.168.0.201
bgp cluster-id 1.1.1.1
bgp log-neighbor-changes
no bgp default ipv4-unicast
neighbor fabric peer-group
neighbor fabric remote-as 1234
neighbor fabric capability extended-nexthop
neighbor fabric update-source 192.168.0.201
bgp listen range 192.168.0.0/24 peer-group fabric
!
address-family l2vpn evpn
neighbor fabric activate
neighbor fabric route-reflector-client
neighbor fabric allowas-in
exit-address-family
!
exit
!
---
proxmoxnode(s)
----
router bgp 1234
bgp router-id 192.168.0.x
no bgp default ipv4-unicast
coalesce-time 1000
neighbor 192.168.0.200 remote-as 1234
neighbor 192.168.0.201 remote-as 1234
!
address-family ipv4 unicast
import vrf vrf1
exit-address-family
!
address-family l2vpn evpn
neighbor 192.168.0.200 activate
neighbor 192.168.0.201 activate
advertise-all-vni
exit-address-family
!
----
#TODO : Documentation with bgp upstream router.