Date: Wed, 21 Jan 2009 09:20:07 -0800 From: "Peter Steele" <psteele@maxiscale.com> To: <freebsd-questions@freebsd.org> Subject: Do I need to run netif stop/start if IP is changed? Message-ID: <2ACA3DE8F9758A48B8BE2C7A847F91F247A4BB@polaris.maxiscale.com>
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We have systems that upon initial configuration have no IP addresses assigned. Their rc.conf entries look like this: ifconfig_nfe0="UP" ifconfig_nfe1="UP" cloned_interfaces="lagg0" ifconfig_lagg0="laggproto failover laggport nfe0 laggport nfe1" defaultrouter="0.0.0.0" 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 192.168.17.49 netmask 255.255.240.0" defaultrouter="192.168.16.1" 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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