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FTOS Configuration Guide for the C-Series - Force10 Networks

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To disable BFD sessions with all OSPF neighbors:<br />

Step Task Command Syntax Command Mode<br />

1 Disable BFD sessions with all<br />

OSPF neighbors.<br />

To disable BFD sessions with all OSPF neighbors out of an interface:<br />

Configuring BFD <strong>for</strong> IS-IS<br />

BFD <strong>for</strong> IS-IS is supported only on plat<strong>for</strong>m: e<br />

When using BFD with IS-IS, <strong>the</strong> IS-IS protocol registers with <strong>the</strong> BFD manager on <strong>the</strong> RPM. BFD<br />

sessions are <strong>the</strong>n established with all neighboring interfaces participating in IS-IS. If a neighboring<br />

interface fails, <strong>the</strong> BFD agent on <strong>the</strong> line card notifies <strong>the</strong> BFD manager, which in turn notifies <strong>the</strong> IS-IS<br />

protocol that a link state change occurred.<br />

Configuring BFD <strong>for</strong> IS-IS is a two-step process:<br />

1. Enable BFD globally. See Enabling BFD globally on page 604.<br />

2. Establish sessions <strong>for</strong> all or particular IS-IS neighbors. See page 614.<br />

Related configuration tasks<br />

• Change session parameters. See page 615.<br />

• Disable BFD sessions <strong>for</strong> IS-IS. See page 615.<br />

no bfd all-neighbors ROUTER-OSPF<br />

Step Task Command Syntax Command Mode<br />

1 Disable BFD sessions with all<br />

OSPF neighbors out of an<br />

interface<br />

ip ospf bfd all-neighbors disable INTERFACE<br />

<strong>FTOS</strong> <strong>Configuration</strong> <strong>Guide</strong>, version 7.7.1.0 613

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