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  • EIGRP: 3. Redistribution

    Design & Configure

    EIGRP: 3. Redistribution

    Technology: Routing
    Area: IGP
    Vendor: Cisco
    Software: 12.X , 15.X, IP Base, IP Services
    Platform: Catalyst 3560, 3750, 3850, 4500, 6500, ISR Routers

    EIGRP Redistribution is a process which allows exchanging routing information between different routing processes or from static information to routing process. Redistribution is configured on border routers which have more than one routing process enabled. Following configuration shows the redistribution information into EIGRP from other routing protocols:

    First, get into the routing process configuration:

    Router(config)#router eigrp 100

    Redistribution from OSPF (process 1)

    Router(config-router)#redistribute ospf 1

    To redistribute static routing information

    Router(config-router)#redistribute static

    To redistribute connected networks

    Router(config-router)#redistribute connected

    There is an option to tune the metric that will be calculated with redistributed updates. The K-values meaning is as follows:

    • Bandwidth – K1
    • Load – K2
    • Delay – K3
    • Reliability – K4
    • MTU – K5

    Default values are:

    Router#sh ip protocols | i K
    Metric weight K1=1, K2=0, K3=1, K4=0, K5=0

    So the meaning of the K-values in redistribute command is not in logical order so be careful:

    Router(config-router)#redistribute static metric K1 K3 K4 K2 K5

    Author: Marcin Bialy