[ILUG] Quagga temporarily drops routes after ifup eth0:1
lkd-ilug at sky-haven.net
Fri Oct 10 18:41:30 IST 2008
On Friday 10 October 2008 11:02:49 Kenn Humborg wrote:
> Centos5.2. quagga-0.98.6-5.el5.
> I have a host with two NICs, one on the Internet
> and one internal. It runs quagga'a ospfd to
> exchange routing info over the internal NIC to
> other internal hosts.
> I want to add another IP address to the external NIC.
> If I do
> ip addr add xx.xx.xx.xx/xx broadcast xx.xx.xx.xx dev eth0
> all the OSPF routes are removed from
> the routing table for maybe 20 seconds or more,
> seemingly while ospfd re-calculates the routes.
As much as I dislike aliases, this is the one situation where "ifconfig eth0:1
w.x.y.z broadcast w'.x'.y'.z' netmask w*.x*.y*.z*" may be better for you.
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