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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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Redistributing IPv4 Routes

In addition to filtering routes, you can add routes from other routing instances or protocols to the IS-IS process. With the redistribute command syntax, you can include BGP, OSPF, RIP, static, or directly connected routes in the IS-IS process.

NOTE Do not route iBGP routes to IS-IS unless there are route-maps associated with the IS-IS redistribution.

To add routes from other routing instances or protocols, use the following commands.

NOTE These commands apply to IPv4 IS-IS only. To apply prefix lists to IPv6 routes, use ADDRESS-FAMILY IPV6 mode, shown later.
  • Include BGP, directly connected, RIP, or user-configured (static) routes in IS-IS.
    ROUTER ISIS mode
    redistribute {bgp as-number | connected | rip | static} [level-1 level-1-2 | level-2] [metric metric-value] [metric-type {external | internal}] [route-map map-name]
    Configure the following parameters:
    • level-1, level-1-2, or level-2: assign all redistributed routes to a level. The default is level-2.
    • metric-value the range is from 0 to 16777215. The default is 0.
    • metric-type: choose either external or internal. The default is internal.
    • map-name: enter the name of a configured route map.
  • Include specific OSPF routes in IS-IS.
    ROUTER ISIS mode
    redistribute ospf process-id [level-1| level-1-2 | level-2] [metric value] [match external {1 | 2} | match internal] [metric-type {external | internal}] [route-map map-name]
    Configure the following parameters:
    • process-id the range is from 1 to 65535.
    • level-1, level-1-2, or level-2: assign all redistributed routes to a level. The default is level-2.
    • metric value the range is from 0 to 16777215. The default is 0.
    • match external the range is from 1 or 2.
    • match internal
    • metric-type: external or internal.
    • map-name: enter the name of a configured route map.

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