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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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Redistributing Routes

In addition to filtering routes, you can add routes from other routing instances or protocols to the BGP process. You can configure the device to redistribute ISIS, OSPF, static, or directly connected routes into BGP process using the redistribute command.

To add routes from other routing instances or protocols, use any of the following commands in ROUTER BGP mode.
  • Include directly connected or user-configured (static) routes into BGP.
    ROUTER BGP or CONF-ROUTER_BGPv6_ AF mode
    redistribute {connected | static} [route-map map-name]
    Configure the following parameters:
    • connected: Indicate that you are redistributing routes to directly connected routes into BGP.
    • static: Indicate that you are redistributing static routes into BGP.
    • route-map map-name: Specify the name of a configured route map to be consulted before adding the connected or static route.
  • Include specific ISIS routes into BGP.
    ROUTER BGP or CONF-ROUTER_BGPv6_ AF mode
    redistribute isis [level-1 | level-1-2 | level-2] [metric value] [route-map map-name]
    Configure the following parameters:

    • isis: Indicate that you are redistributing ISIS routes into BGP.

    • level-1, level-1-2, or level-2: Assign all redistributed routes to a level. The default is level-2.

    • metric value: The value is from 0 to 16777215. The default is 0.

    • route-map map-name: Specify the name of a configured route map to be consulted before adding the ISIS route.

  • Include specific OSPF routes into BGP.
    ROUTER BGP or CONF-ROUTER_BGPv6_ AF mode
    redistribute ospf process-id [match external {1 | 2} | match internal] [metric-type {external | internal}] [route-map map-name]
    Configure the following parameters:

    • ospf: Indicates that you are redistributing OSPF routes in BGP.

    • process-id: the range is from 1 to 65535.

    • match internal, external1, and external2: Specify the type of OSPF routes to be redistributed into BGP.

    • metric-type: external or internal.

    • route-map map-name: Specify the name of a configured route map to be consulted before adding the OSPF route.

Example configuration for redistributing routes

DellEMC# configure terminal
DellEMC(conf)# ip route 10.0.0.0 255.0.0.0 null 0
DellEMC(conf)# router bgp 400
DellEMC(conf-router_bgp_af)# redistribute static
DellEMC(conf-router_bgp_af)# exit

The above configuration example show how to create a static route and redistribute the static routes into the BGP routing table.

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