Single-hop echo mode – H3C Technologies H3C S5560 Series Switches User Manual

Page 353

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Step Command

Remarks

2.

Configure BFD
control mode for an

IPv6 static route.

Method 1:
ipv6 route-static ipv6-address prefix-length

{ next-hop-address bfd control-packet bfd-source

ipv6-address | vpn-instance d-vpn-instance-name
next-hop-address
bfd control-packet bfd-source

ipv6-address } [ preference preference-value ] [ tag

tag-value ] [ description description-text ]

Method 2:

ipv6 route-static vpn-instance s-vpn-instance-name

ipv6-address prefix-length { next-hop-address bfd
control-packet bfd-source ipv6-address | vpn-instance

d-vpn-instance-name next-hop-address bfd control-packet

bfd-source ipv6-address } [ preference preference-value ]
[ tag tag-value ] [ description description-text ]

By default, BFD
control mode

for an IPv6
static route is

not configured.

Single-hop echo mode

With BFD echo mode enabled for a static route, the output interface sends BFD echo packets to the
destination device, which loops the packets back to test the link reachability.

IMPORTANT:

Do not use BFD for a static route with the output interface in spoofing state.

To configure BFD echo mode for an IPv6 static route:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Configure the source
address of echo

packets.

bfd echo-source-ipv6 ipv6-address

By default, the source address
of echo packets is not

configured.
The source address of echo
packets must be a global

unicast address.
For more information about this
command, see High

Availability Command

Reference.

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