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Checkpoint: Restore Your Routes in SecurePlatform After ifconfig down / up Without A Network Restart


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If you ifconfig down your external interface then your default route will be deleted. ifconfig up however does not restore it. The general consensus is that this requires a service network restart but this will restart all your interfaces – not nice and not necessary.

config net ctrl action startup

will re-read and re-insert the routes contained in the /etc/sysconfig/netconf.C file which contains your default and static routes and things will be sweet once more.

By b c

Engineer. Musician. Realist.
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