Do I need to run netif stop/start if IP is changed?

Peter Steele psteele at
Wed Jan 21 09:20:16 PST 2009

We have systems that upon initial configuration have no IP addresses
assigned. Their rc.conf entries look like this:





ifconfig_lagg0="laggproto failover laggport nfe0 laggport nfe1"



The user later runs a tool and specifies the IP address to use for a
given system. This tool modifies ifconfig and default router lines, e.g.


ifconfig_lagg0="laggproto failover laggport nfe0 laggport nfe1 netmask"



and also executes explicit ifconfig and route add commands that match
the entries in rc.conf. 


The question is, should we also execute a netif stop/start sequence when
this IP/router information is assigned? Are there other services that
should also be stopped/restarted when the IP is set? Ideally, we want to
avoid having to reboot the box to set the IP as we are doing.



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