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Zorluk: OrtaFloating Static Routes

A network engineer needs to configure a floating static route on Cisco router R1 for destination subnet 10.10.20.0/2410.10.20.0/24 via next-hop IP 192.168.1.2192.168.1.2. The route must serve as a backup to an existing OSPF path, which has a default Administrative Distance of 110110. The engineer decides to set the backup route's Administrative Distance to 130130.

Complete the Cisco IOS global configuration command below by filling in the missing trailing Administrative Distance value.

Cevap:R1(config)# ip route 10.10.20.0 255.255.255.0 192.168.1.2 【130】

Cevap

The trailing Administrative Distance value required to complete the command is 130.
Specifying 130 at the end of the `ip route` command assigns an Administrative Distance higher than the primary OSPF route's AD of 110. This keeps the route out of the routing table during normal operation and activates it only when the primary path is removed.

Adım Adım Çözüm

1
Identify the standard Cisco IOS syntax for a static route.
The basic command syntax is `ip route <prefix> <mask> <next-hop> [distance]`.
Placing an optional integer value at the end of the static route command assigns a custom Administrative Distance.
2
Determine the requested Administrative Distance value for the floating static route.
The specified Administrative Distance value is 130.
Setting the AD to 130 ensures it is higher than OSPF's default AD of 110, keeping the static route floating in reserve until the OSPF route fails.

Anahtar Kavram

Floating Static Route CLI Syntax and Administrative Distance
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