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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 IS-IS Route Summarization

Configuring IS-IS Route Summarization

Pre-configuration Tasks

Before configuring IS-IS route summarization, complete the following task:

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run isis [ process-id ]

    The IS-IS view is displayed.

  3. Run summary ip-address mask [ avoid-feedback | generate_null0_route | tag tag | [ level-1 | level-1-2 | level-2 ] ] *

    The specified IS-IS routes are summarized into one IS-IS route.

    NOTE:

    After route summarization is configured on a device, the local routing table still contains all specific routes before the summarization. The routing tables on other devices contain only the summary route, and the summary route is deleted only after all its specific routes are deleted.

  4. Run commit

    The configuration is committed.

Verifying the Configuration

  • Run the display isis route command to check summary routes in the IS-IS routing table.

  • Run the display ip routing-table [ verbose ] command to check summary routes in the IP routing table.

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Updated: 2019-04-20

Document ID: EDOC1100074760

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