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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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Configuring the Default Local_Pref Attribute

Configuring the Default Local_Pref Attribute

Context

The Local_Pref attribute is used to determine the optimal route for outgoing traffic of an AS. When a BGP device obtains multiple routes to the same destination address but with different next hops from different IBGP peers, the BGP device prefers the route with the highest Local_Pref value.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bgp { as-number-plain | as-number-dot }

    The BGP view is displayed.

  3. Enter the corresponding address family view based on network type to configure BGP devices on networks.

    • Run ipv4-family unicast

      The BGP-IPv4 unicast address family view is displayed.

    • Run ipv4-family multicast

      The BGP-IPv4 multicast address family view is displayed.

    • Run ipv4-family vpnv4 [ unicast ]

      The BGP-VPNv4 address family view is displayed.

    • Run ipv4-family vpn-instance vpn-instance-name

      The BGP-VPN instance IPv4 address family view is displayed.

    • Run ipv6-family [ unicast ]

      The BGP-IPv6 unicast address family view is displayed.

    • Run ipv6-family vpnv6 [ unicast ]

      The BGP-VPNv6 address family view is displayed.

    • Run ipv6-family vpn-instance vpn-instance-name

      The BGP-VPN instance IPv6 address family view is displayed.

  4. Run default local-preference local-preference

    The default Local_Pref attribute is configured.

    By default, the Local_Pref attribute is 100.

  5. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074760

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