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Configuring BFD
The above command assigns a multiplier value of 5 to
Enabling or Disabling BFD Status
As BFD is globally disabled for the routing instance, to enable the global BFD status, use the
admin-state
command. For example:
-> ip bfd admin-state enable
To disable the global BFD status for the routing instance, use the
disable keyword. For example:
-> ip bfd admin-state disable
The above command disables BFD globally on the routing instance. Note that disabling BFD does not
remove the existing BFD configuration from the routing instance. Also, when BFD is globally disabled, all
BFD functionality is disabled for the routing instance, but configuring BFD is still allowed.
To enable a BFD session, use the
-> ip bfd interface bfd-vlan-101 admin-state enable
The above command enables the administrative status of
Note that a BFD session must be disabled before any of its parameters can be changed. To disable a BFD
session, use the ip bfd interface status command with the disable keyword. For example:
-> ip bfd interface bfd-vlan-101 admin-state disable
To verify the BFD status and configuration for the switch, use the
-> show ip bfd
BFD Version Number
Admin Status
Desired Tranmit Interval
Minimum Receive Interval
Detection Time Multiplier
Minimum Echo Receive Interval
Applications Registered
The above command shows that BFD is registered with the OSPF protocol and has a transmit interval of
300 msecs, receive interval of 300 msecs, multiplier 3, and echo interval of 300 msecs.
To verify the BFD status and configuration, use the
-> show ip bfd interfaces
Interface
Admin
Name
Status
---------+--------+---------+---------+----------+----------+----------
one
enabled
two
enabled
The output above displays the interfaces participating in the BFD sessions, along with their IP interface
names and respective BFD session parameters. To see additional detail for a specific interface, use the
show ip bfd interfaces command and specify an interface name. For example:
-> show ip bfd interfaces one
Interface Name
page 16-14
ip bfd interface admin-state
= 1,
= Enabled,
= 300,
= 300,
= 3,
= 300,
= STATIC-ROUTING OSPF
Tx
Min Rx
Min EchoRx Detect
Interval
Interval Interval
300
300
300
300
= one,
OmniSwitch AOS Release 7 Network Configuration Guide
.
bfd-vlan-101
ip bfd admin-state
command. For example:
.
bfd-vlan-101
show ip bfd
show ip bfd interfaces
command. For example:
Multiplier
300
3
300
3
Configuring BFD
ip bfd
command with the
command,. For example:
OperStatus
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March 2011
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