set protocols bfd peer minimum-ttl

The set protocols bfd peer minimum-ttl command configures the minimum expected TTL for an incoming BFD control packet for a single-hop BFD session.

The delete protocols bfd peer minimum-ttl command sets the configuration to the default value.

Command Syntax

set protocols bfd [vrf <vrf-name>] [interface<interface-name>] peer<peer-ip> minimum-ttl <minimum-ttl>

Parameter

Parameter	Description
vrf <vrf-name>	Optional. Specifies a VRF name. The value is a string. It’s a user-defined VRF set by the command set ip vrf <vrf-name> [description <string>].
interface<interface-name>	Optional. Specifies the egress interface for BFD packets. The value is an L3 interface that can be the VLAN interface name, the loopback interface name, the routed interface or the sub-interface name. If not specified, the system will search the route table for the outgoing interface.
peer <peer-ip>	Specifies the peer for a BFD session. The value is an IPv4 or IPv6 address.
minimum-ttl <minimum-ttl>	Specifies the minimum expected TTL. Range: 1 to 254.

Usage Guidelines

This feature serves the purpose of tightening the packet validation requirements to avoid receiving BFD control packets from other sessions.

Note that: This feature is for multi-hop sessions only.

Example

admin@Xorplus# set protocols bfd peer 2.2.2.2 minimum-ttl 252
admin@Xorplus# commit

PICOS-4.4.4_Configuration_Guide (Special Release)