24-Port Layer 3 Switch Management Guide

C ONFIGURING THE S WITCH
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- When changing to a new key, the router will send multiple copies of all
protocol messages, one with the old key and another with the new key.
Once all the neighboring routers start sending protocol messages back
to this router with the new key, the router will stop using the old key.
This rollover process gives the network administrator time to update
all the routers on the network without affecting the network
connectivity. Once all the network routers have been updated with the
new key, the old key should be removed for security reasons.
Web - Click Routing Protocol, OSPF, Interface Configuration. Select the
required interface from the scroll-down box, and click Detailed Settings