Cisco Cisco Packet Data Gateway (PDG)

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Routing   
▀  Bidirectional Forwarding Detection 
 
 
▄  VPC-VSM System Administration Guide, StarOS Release 19 
228 
   
Enable BFD Multihop Fall-over  
fall-over bfd multihop mhsess_name keyword in the Context Configuration mode ip route and ipv6 route commands 
enables fall-over BFD functionality for the specified multihop session. The fall-over bfd option uses BFD to monitor 
neighbor reachability and liveliness. When enabled it will tear down the session if BFD signals a failure. 
configure 
   context context_name 
      ip route { ip_address/ip_mask ip_address ip_mask } { gateway_ip_address 
next-hop 
next_hop_ip_address | point-to-point | tunnel } egress_intrfc_name 
cost 
cost ] [ fall-over bfd multihop mhsess_name ] [ precedence precedence ] [ 
vrf
 
vrf_name
 
[ cost
 
value
 
] [ fall-over bfd multihop
 
mhsess_name
 
] [ precedence
 
precedence
 
] + 
      end 
The ip route command now also allows you to add a static multihop BFD route. 
      ip route static multihop bfd mhbfd_sess_name local_endpt_ipaddr remote_endpt_ipaddr 
Important:
  SNMP traps are generated when BFD sessions go up and down (BFDSessUp and BFDSessDown). 
ip route Command
 
configure 
   context context_name 
      ip route { ip_address/ip_mask ip_address ip_mask } { gateway_ip_address 
next-hop 
next_hop_ip_address | point-to-point | tunnel } egress_intrfc_name 
cost 
cost ] [ fall-over bfd multihop mhsess_name ] [ precedence precedence ] [ 
vrf
 
vrf_name
 
[ cost
 
value
 
] [ fall-over bfd multihop
 
mhsess_name
 
] [ precedence
 
precedence
 
] + 
      end 
The ip route command now also allows you to add a static multihop BFD route. 
      ip route static multihop bfd mhbfd_sess_name local_endpt_ipaddr 
remote_endpt_ipaddr 
ipv6 route Command
 
configure 
   context context_name 
      ipv6 route ipv6_address/prefix_length { interface name | next-hop 
ipv6_address interface name } [ cost  cost] [ fall-over bfd multihop mhsess_name 
] [ precedence precedence ] [ vrf vrf_name [ cost value ] [ fall-over bfd 
multihop
 mhsess_name ] [ precedence precedence ]