Configuring Bfd For Vrrp; Configuring Bfd For Static Routes - H3C LS-3100-52P-OVS-H3 Operation Manual

At present, you can configure BFD for IPv4 BGP neighbors only.
If GR capability is enabled for BGP, use BFD with caution.
For BGP configuration, refer to BGP Configuration in the IP Routing Volume.

Configuring BFD for VRRP

To configure BFD for VRRP, you need to configure a BFD track entry and then bind the track entry to a
VRRP group.
Track starts and stops the BFD session. Upon detecting a neighbor failure, BFD notifies Track of the
failure. Then, Track notifies it to VRRP for quick VRRP master/backup switchover.
Before associating a VRRP group with a track entry, you need to create the VRRP group on the
interface and assign a virtual IP address to it.
Follow these steps to configure BFD for VRRP:
To do...
Enter system view
Configure the source
address of echo packets
Configure a BFD track
entry
Enter interface view
Bind a VRRP group with
the Track entry
The local-ip of the track entry must be the IP address of the specified outgoing interface and must
be on the network segment as the remote-ip.
For VRRP configuration, refer to VRRP Configuration in the System Volume.
For Track configuration, refer to Track Configuration in the System Volume.

Configuring BFD for Static Routes

A dynamic routing protocol notifies BFD of its neighbor information. BFD uses such information to
establish sessions with neighbors by sending BFD control packets. Static routing, which has no
neighbor discovery mechanism, implements BFD as follows:
Use the command...
system-view
bfd echo-source-ip ip-address
track track-entry-number bfd echo
interface interface-type
interface-number remote ip
remote-ip local ip local-ip
interface interface-type
interface-number
vrrp vrid virtual-router-id track
track-entry-number { switchover |
[ reduced priority-reduced ] }
1-10
Remarks
—
Required
Not configured by default
Required
Not configured by default
—
Required
By default, no monitored
interface is specified.