Routing

router-id <a.b.c.d>

Hard-code OSPF router ID. Else router picks highest loopback or active interface IP.

Works on: RouterMode: router
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Don't just read it — type router-id <a.b.c.d> in a real network simulator in your browser and watch it take effect. No install, no account needed to start.

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Frequently asked

What does the "router-id <a.b.c.d>" command do?

Hard-code OSPF router ID. Else router picks highest loopback or active interface IP.

More Routing commands

ip route <network> <mask> <next-hop>ip route 0.0.0.0 0.0.0.0 <next-hop>router ospf <pid>network <ip> <wildcard> area <id>passive-interface <iface>router eigrp <AS>router ripip default-gateway <ip>

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router-id <a.b.c.d> — network CLI command reference · NetForge-AI