Re:[LARTC] Problems in Dead Gateway Detection / Failover -

[Shashikant Mundlik <shashikant.mundlik@gmail.com>]

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Hi There,
 
I am also trying to do the same for my network. 
I have two links from different ISPs and I want to configure a failover and
load balancing Linux router.
 
I am facing same problem here, that how to detect link failure and let Linux
box switch the gateway.
 
I know it works when the first gateway is physically down and not reachable.
But what to do if my link is up but there is problem at nexthop level and
its not routing packets to destination. 
 
Please tell me if this can be overcome by setting multipath routing. 
 
Another way I can think of doing this is to use a script which will check if
the default route is alive every 15 mins and if not it will make changes in
routing table and route the packets through different link.
 
I don't know if this is the best way to do this. If any one know how to do
this better please share. 
 
If you guys thinks this can work, lets help each other to write such scrip.
 
I am new to LARTC and just now started learning it to solve my network
problems.
 
Please help me to achieve this.
 
Thanks in advance.
 
Regards,
 

Shashikant Mundlik 

Pune, India.


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