Cisco Cisco Packet Data Gateway (PDG)
Routing
▀ Bidirectional Forwarding Detection
▄ ASR 5000 System Administration Guide, StarOS Release 18
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Important:
On the ASR 5000, routes with IPv6 prefix lengths less than /12 and between the range of /64 and
/128 are not supported.
Configuring Multihop BFD
Enable BFD on an interface.
config
context bfd_context_name
interface if_name
ip address ipv4_address ipv4_mask
ipv6 address ipv6_address ipv6_mask
bfd interval interval_value min_rx rx_value multiplier multiplier_value
[ bfd echo ]
exit
Configure a Multihop BFD session.
bfd-protocol
bfd multihop peer destination-address interval interval-value
multiplier multiplier-value
multiplier multiplier-value
Scaling of BFD
Configure an active BFD session using one of the above methods and use same BFD neighbor while configuring the
active interface. For additional information, see
active interface. For additional information, see
bfd-protocol
bfd nbr-group-name grp_name active-if-name if_name nexthop_address
Apply the same BFD results to one or more passive interfaces.
bfd nbr-group-name grp_name passive-if-name if_name nexthop_address
bfd nbr-group-name grp_name passive-if-name if_name nexthop_address