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Configuration Guide - IP Unicast Routing

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, IPv4 IS-IS, IPv6 IS-IS, BGP, Routing Policy, and PBR.
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(Optional) Configuring BFD on a Specified Interface

(Optional) Configuring BFD on a Specified Interface

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The view of the interface enabled with BFD for OSPF is displayed.

  3. On an Ethernet interface, run undo portswitch

    The interface is switched to Layer 3 mode.

    By default, an Ethernet interface works in Layer 2 mode.

    The mode switching function takes effect when the interface only has attribute configurations (for example, shutdown and description configurations). Alternatively, if configuration information supported by both Layer 2 and Layer 3 interfaces exists (for example, mode lacp and lacp system-id configurations), no configuration that is not supported after the working mode of the interface is switched can exist. If unsupported configurations exist on the interface, delete the configurations first and then run the undo portswitch command.

    NOTE:

    If many Ethernet interfaces need to be switched to Layer 3 mode, run the undo portswitch batch interface-type { interface-number1 [ to interface-number2 ] } &<1-10> command in the system view to switch these interfaces to Layer 3 mode in batches.

  4. Run ospf bfd enable

    BFD is enabled on the interface to establish a BFD session.

    If all interfaces in a certain process are configured with BFD and their neighbor relationships are in Exstart state, OSPF establishes BFD sessions on all the interfaces in the process using default BFD parameters.

    To set parameters for BFD sessions, run the ospf bfd { min-rx-interval receive-interval | min-tx-interval transmit- interval | detect-multiplier multiplier-value } * command.

    NOTE:
    • The BFD configuration on an interface takes precedence over that in a process. That is, if BFD is enabled on an interface, BFD parameters set on the interface are used to establish BFD sessions.

    • If only the ospf bfd { min-rx-interval receive-interval | min-tx-interval transmit- interval | detect-multiplier multiplier-value } * command is run to set BFD parameters but the ospf bfd enable command is not run, BFD is not enabled on the interface.

  5. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074760

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