R2511-HP MSR Router Series Layer 3 - IP Routing Configuration Guide(V5)

8
Ste
p
Command Remarks
2. Configure a static
route and enable
BFD control packet
mode for it.
• Method 1:
ip route-static dest-address { mask | mask-length }
next-hop-address bfd control-packet bfd-source ip-address
[ preference preference-value ] [ tag tag-value ] [ description
description-text ]
• Method 2:
ip route-static vpn-instance s-vpn-instance-name&<1-6>
dest-address { mask | mask-length } next-hop-address bfd
control-packet bfd-source ip-address [ preference
preference-value ] [ tag tag-value ] [ description
description-text ]
Use either
method.
BFD echo packet mode
With BFD echo packet mode enabled for a static route, the outgoing interface sends BFD echo packets
to the destination device, which loops the packets back to test the link reachability.
IMPORTANT:
• Enabling BFD for a flapping route could worsen the situation.
• Do not use BFD for a static route with the outgoing interface in spoofing state.
To configure BFD echo packet mode for static routes:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Configure the source
address of echo
packets.
bfd echo-source-ip ip-address
Not configured by default.
For more information about this
command, see High
Availability Command
Reference.
3. Enable BFD echo
packet mode for
static routes.
• Method 1:
ip route-static dest-address { mask |
mask-length } interface-type
interface-number next-hop-address bfd
echo-packet [ preference preference-value ]
[ tag tag-value ] [ description
description-text ]
• Method 2:
ip route-static vpn-instance
s-vpn-instance-name&<1-6> dest-address
{ mask | mask-length } interface-type
interface-number next-hop-address bfd
echo-packet [ preference preference-value ]
[ tag tag-value ] [ description
description-text ]
Use either method.