Steve Polyack wrote:
> Kevin Keane wrote:
>> Inquiring minds want to know: why would you want to control the 
>> source address? Doesn't the routing table automatically select the 
>> correct one based on the destination address you want to reach?
>>
>>   
> The OS is supposed to choose a "functional" address, which when paired 
> with a routing entry, makes the destination reachable.  However, in a 
> multi-homed environment this may not choose the desired connection 
> (does not account for bandwidth, latency, hops, etc).  Few applications
In all honesty, I'm not yet following (and the links you added went to a 
404 page, sorry ). 99% of the time when somebody comes up with an 
unusual request like that, there is something for me to learn, so I hope 
you can forgive me for probing further!

Do you mean, multihomed on the same physical network? Or multihomed on 
two separate physical networks? On the same physical network, I could 
see some merit if you have two NICs. Dedicating one NIC to bacula 
traffic may allow a switch to establish a completely separate data path 
and not impact regular traffic. But even then - shouldn't this be better 
done as a second subnet overlayed over the same physical network?

If it is multihomed on different physical networks, and the routing 
table selects a suboptimal route, shouldn't you fix the routing table, 
since these problems aren't really bacula problems?
> There are also several situations in which the backup servers or 
> clients may use additional IPs to establish network presence on a 
> service-by-service basis (i.e. all bacula/backup traffic moves over 
> one IP address, all web traffic over another IP address, all SSH/mgmnt 
> over another address, etc etc).
That makes sense for the destination IP. How does the source address 
figure in this picture?
> There was a big discussion about this some time ago which you may read:
> http://www.mail-archive.com/bacula-us... AT lists.sourceforge DOT 
> net/msg15640.htm 
>
> http://www.mail-archive.com/bacula-us... AT lists.sourceforge DOT 
> net/msg15776.htm 
>
>


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