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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R011C10

This document describes IP Unicast Routing configurations supported by the switch, including the principle and configuration procedures of IP Routing Overview, Static Route, RIP, RIPng, OSPF, OSPFv3, IS-IS(IPv4), IS-IS(IPv6), BGP, Routing Policy ,and PBR, and provides configuration examples.

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(Optional) Configuring Static Route Selection Based on Iteration Depth

(Optional) Configuring Static Route Selection Based on Iteration Depth


Route iteration refers to the process of finding the directly-connected outbound interface based on the next hop of a route. Iteration depth refers to the number of times the system searches for the directly-connected outbound interface based on the next hop of a route.

When there are multiple static routes with the same prefix but different iteration depths, the system selects the static route with the smallest iteration depth as the active route. A smaller iteration depth indicates a more stable route. The system then delivers the active route to the FIB table after static route selection, based on the iteration depth configuration. The other static routes then become inactive.


  1. Run system-view

    The system view is displayed.

  2. Run ip route-static selection-rule relay-depth

    Static route selection based on iteration depth is configured.

    By default, static routes are not selected based on iteration depth.

Updated: 2020-02-04

Document ID: EDOC1000178324

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