I have a pair of ASR9k's that I plan on migrating to Juniper MX960's. Below is a piece of the configuration:
l2vpn bridge group VPLS_1 bridge-domain 101 interface TenGigE0/2/0/0.101 ! vfi 101 neighbor 18.104.22.168 pw-id 101 ! ! routed interface BVI101 ! bridge-domain 202 interface TenGigE0/2/0/0.202 ! neighbor 22.214.171.124 pw-id 3003 pw-class ro-7450c-1 ! neighbor 126.96.36.199 pw-id 3003 pw-class ws-7450a-2 ! vfi 202 neighbor 188.8.131.52 pw-id 202 ! ! routed interface BVI202 ! bridge-domain 11 interface TenGigE0/1/0/6.11 ! interface TenGigE0/2/0/0.11 ! vfi 11 neighbor 184.108.40.206 pw-id 11 ! ! !
Where I'm confused is the multiple instances of
bridge-domain inside a single
bridge-group (I do have multiple
bridge-groups that aren't shown.)
What purpose does each
bridge-domain serve while inside a single
bridge-group? Does this break the split horizon rule for VPLS? Couldn't I just make multiple VPLS instances in JUNOS?
Please let me know if anyone needs clarification.