I have been successfully implementing load balancing gateways for
multiple ISP links at various locations using Julian's patches and as
suggested in LARTC HowTo. At one location, one of the ISPs is providing
connectivity through a PPOE DSL link which has to be dialled in
everytime to connect. The gateway has been configured on a Fedora Core 3
based system and I have recompiled the 2.6.12 kernel after applying
Julian's patches. I have configured the DSL modem in bridge mode and
connected it to an ethernet interface on the gateway and use the DSL
dialer in Fedora Core 3 to connect to the ISP. This creates a ppp0
interface when the connection goes live which is alloted a static Public
IP. The dialer has been configured to redial as and when the link goes
down. However the problem is that the kernel is not able to detect when
this DSL interface (ppp0) comes back and does not restore the gateway
through this link. The loadbalancing script has to be run again to make
the kernel treat this gateway as LIVE and make the traffic go out
through it.
Has anyone encountered a similar problem ? I have never come across such
an issue wherever the link is terminating on an ethernet interface. This
ISP is insisting on dialling and then establishing the a PPOE interface.
Any suggestions ?
Thanks,
Manish
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