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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R013C00

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, IP Routing Table Management, and PBR.
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Configuring a Device Level

Configuring a Device Level

Context

Configure a device level according to network planning requirements:
  • A Level-1 device can establish neighbor relationships with only Level-1 and Level-1-2 routers in the same area and maintains only Level-1 LSDBs.
  • A Level-2 device can establish neighbor relationship with Level-2 routers in the same area or different areas and with Level-1-2 routers in different areas and maintain only Level-2 LSDB.
  • A Level-1-2 device can establish neighbor relationships with Level-1 and Level-2 routers and maintain Level-1 and Level-2 LSDBs.

If the levels of IS-IS devices are changed during network operation, the IS-IS process will be restarted, and IS-IS neighbor relationships will be disconnected. Setting the levels of devices when configuring IS-IS is recommended.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run isis [ process-id ]

    The IS-IS process view is displayed.

  3. Run is-level { level-1 | level-1-2 | level-2 }

    A level is configured for the switch.

    By default, the level of the switch is Level-1-2.

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Updated: 2019-04-08

Document ID: EDOC1100065744

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