I have a private lan that is connected to the world via 3 dsl lines. I put
up a linux box that handles all the dsl lines, lan gateway and all is
working well...until...one of the dsl lines goes down. My routing table is:
x.x.x.x dev ppp0 proto kernel scope link src x.x.x.x
x.x.x.x dev ppp1 proto kernel scope link src x.x.x.x
x.x.x.x dev ppp2 proto kernel scope link src x.x.x.x
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.1
255.255.255.0/24 dev eth0 scope link
169.254.0.0/16 dev eth0 scope link
127.0.0.0/8 dev lo scope link
default equalize
nexthop via x.x.x.x dev ppp0 weight 1
nexthop via x.x.x.x dev ppp1 weight 1
nexthop via x.x.x.x dev ppp2 weight 1
When one of the dsl lines has trouble (temporarily looses sync, etc), the
kernel takes the entire default route out until the line comes back up.
When the line comes up, it puts a single default route back in instead of
the multipath route. If I can make it so the multipath route is maintained
even when one of the dsl lines goes down, that would be great. Is there a
way to have just one of the hops removed from the default multipath while
the line is down and then reinserted back in as a hop in the multipath
route? Thanks for any input.
-Chris
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