On Sun, 2010-01-10 at 16:54 +0100, David Hláčik wrote: > Hello guys, > > I have two ISP's connected to my router. One via eth2, second one via > ADSL modem, with ppoe doing on my Centos 5 . > > The problem I have is, that when ADSL fails , interface ppp0 is > removed. This also removes my static routes configured for this > interface. I do not want that, as I have load balancing configured and > default route is removed when ppp0 interface disapears. > > This is my ifcfg-ppp0 config : > > USERCTL=yes > BOOTPROTO=dialup > NAME=DSLppp0 > DEVICE=ppp0 > TYPE=xDSL > ONBOOT=yes > PIDFILE=/var/run/pppoe-adsl.pid > FIREWALL=NONE > PING=. > PPPOE_TIMEOUT=80 > LCP_FAILURE=3 > LCP_INTERVAL=20 > CLAMPMSS=1412 > CONNECT_POLL=6 > CONNECT_TIMEOUT=60 > DEFROUTE=no > SYNCHRONOUS=no > ETH=eth0 > PROVIDER=DSLppp0 > USER=O2 > PEERDNS=no > DEMAND=no > PERSIST=yes > > As you can see, I have PERSIST=yes , which according to documentation > should keep ppp0 interface ON. Well it does but only for a couple of > seconds. I suspect this to be other parameters problem > (CONNECT_TIMEOUT or PPPOE_TIMEOUT). > > Can you please help me with this? > > Thank you in advance! > > David --- Maybe not really that since you have it set to "yes". Check /var/log/messages for Authentication Problems, like CHAP, MSCHAP or Tokin ID Session. I would really get a router to do the balancing not the OS it self. John