[j-nsp] Advertisement of VRRP IP in an EVPN with IRB setup

Roger Wiklund roger.wiklund at gmail.com
Mon May 25 10:22:20 EDT 2020


Hi

Why are you using VRRP instead of Virtual Gateway Address?
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/virtual-gateway-address-edit-interfaces.html

/Roger

On Wed, May 20, 2020 at 2:51 PM Alex D. <listensammler at gmx.de> wrote:

> Hello,
>
> i'm trying to setup a multihomed EVPN with IRB and VRRP (see
> configuration below). I know, that i could omit VRRP configuration and
> use the same IP on irb interfaces of the participating PE routers for
> next-hop redundancy. But from an operational perspective, i find it
> useful to have a possibility to ping the local IPs with knowing who
> reponds to my ICMP requests. The local IP/MAC addresses are advertised
> with the default gateway extended community as expected and are
> pingable, but unfortunatly the VRRP IP isn't. Is there a knob to
> activate this ?
>
> EVPN_DHCP {
>      instance-type virtual-switch;
>      route-distinguisher <loopback>:1001;
>      vrf-target target:1001:1001;
>      protocols {
>          evpn {
>              extended-vlan-list [ 122 132 ];
>          }
>      }
>      bridge-domains {
>          VLAN-122 {
>              vlan-id 122;
>              no-arp-suppression;
>              interface ae10.122;
>              routing-interface irb.122;
>          }
>          VLAN-132 {
>              vlan-id 132;
>              no-arp-suppression;
>              interface ae10.132;
>              routing-interface irb.132;
>          }
>      }
> }
>
> irb {
>      unit 122 {
>          description dhcp-2-fttx-lan2;
>          family inet {
>              address 192.168.202.53/29 {
>                  vrrp-group 122 {
>                      virtual-address 192.168.202.54;
>                      priority 200;
>                      fast-interval 200;
>                      accept-data;
>                      authentication-type md5;
>                      authentication-key "$9$L2N7w2oJDH.5BI"; ## SECRET-DATA
>                  }
>              }
>          }
>      }
>      unit 132 {
>          description dhcp-3-fttx-lan2;
>          family inet {
>              address 192.168.202.61/29 {
>                  vrrp-group 132 {
>                      virtual-address 192.168.202.62;
>                      priority 200;
>                      fast-interval 200;
>                      accept-data;
>                      authentication-type md5;
>                      authentication-key "$9$L2N7w2oJDH.5BI"; ## SECRET-DATA
>                  }
>              }
>          }
>      }
> }
>
> Regards,
> Alex
>
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