ppp problems with routing

[PS]

Mike Tancsa wrote:
> On Mon, 28 Mar 2005 19:13:47 -0500, in sentex.lists.freebsd.questions
> you wrote:
> 
> 
>>Hello I use freeBSD 4.11 with pppoe.
>>I used almost default ppp.conf (as in freebsd handbook) for dynamic ip. 
>>my config is here http://block111.servehttp.com/ppp.conf
>>Twice a day I restart ppp from cron with `killall -INT ppp` and if the 
>>new connection default gateway is different then the old default route 
>>isn't removed, e.g. after ppp restart I have this:
>>ifconfig ->
>>	...
>>        inet 66.11.172.181 --> 66.11.165.1 netmask 0xffffffff
>>	inet 66.11.180.20 --> 66.11.190.1 netmask 0xffffffff
>>
>>before I had
>>inet 66.11.172.181 --> 66.11.165.1 netmask 0xffffffff
>>only, but after I sent INT to ppp the new ip has a different dafault 
>>gateway and the old one isn't removed. Should the old default route/ip 
>>be removed or not? In my case the old ip becomes invalid.
> 
> 
> Hi,
> 	If you add
> 
> disable iface-alias

Thanks, I'll check this solution.

> does it fix the problem ?  Also, why do you need to kill / restart
> ppp?

My isp gives free bandwidth from x till y, provided that a connection 
starts after x and finishes before y... so, my smart freebsd pc sends 
every day INT to ppp to restart ppp connection :)