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For what I know, Static Routes don't have a Metric. So, what if a Router has more than one Static Route to a Network?

Let's say that on the topology below we have Static Routes configured, and R1 can reach R3 both via 192.168.13.3 and via 192.168.12.2 .

Let's also say that the bandwidths on the links are:

10Mbps  on 192.168.13.0/24
100Mbps on 192.168.12.0/24
100Mbps on 192.168.23.0/24

Which path will be chosen by the Packets from R1 to R3?

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  • If you configure more than one static route to the same destination, and the routes have different next-hop gateways but have the same metrics and administrative distance, the Layer 3 device load balances among the routes using basic round-robin.
    – user36472
    Oct 4, 2018 at 9:50
  • @Cown surely it's going to be dependent on the OS, as there are several perfectly sensible alternative behaviours.
    – jonathanjo
    Oct 4, 2018 at 9:55
  • @jonathanjo yes i was referring to Cisco IOS, sorry.
    – user36472
    Oct 4, 2018 at 9:56
  • Did any answer help you? if so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. Alternatively, you could post and accept your own answer.
    – Ron Maupin ♦
    Dec 31, 2020 at 4:31

2 Answers 2

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It depends on the router's operating system, as it could do any of several perfectly sensible alternatives.

As Cown says in the comments, for Cisco IOS:

If you configure more than one static route to the same destination, and the routes have different next-hop gateways but have the same metrics and administrative distance, the Layer 3 device load balances among the routes using basic round-robin.

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When two or more static routes are configured to same destination in router with same AD value . Router will load balance traffic on available static route configured links by round -robin method.

We have feasibility to divert traffic or control traffic on two static routes by changing administrative value (AD). Default AD value for static route is 1.

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