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setup ppp as failover for ethernet
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: setup ppp as failover for ethernet
- From: "E S" <es0123_(_at_)_hotmail_(_dot_)_com>
- Date: Sat, 01 Dec 2001 13:53:46 -0800
with the demise of @home, i spent the morning trying to find my ancient
i have a pretty standard home setup w/ openbsd: openbsd (2.9) box connected
directly to cable modem, serving me and my roommates as firewall, nat, dhcp
server, dns, etc.
i've never had to configure the openbsd box with a "regular" dialup modem.
so hooking up my roommate's windows laptop to a 28.8 modem, i at least got
to read the faq on ppp setup for openbsd.
however, i'm running into some problems. i think what i'm really looking for
is something like how a user with openbsd on a laptop would have things
configured, where at work, he's on an ethernet lan, but at home he's on a
dialup modem. the only added difference in my case is that in both cases,
the laptop is also doing ipf, nat, dhcpd and named.
for instance, when i followed the faq, i got:
Warning: Add route failed: default already exists
after trying "route delete default" i now get
Error: iface_inAdd: ioctl(SIOCAIFADDR): 10.0.0.1: File exists
Warning: set ifaddr: Failed 4
i'd like to figure out some way for my cable modem and dialup modem to
co-exist in harmony. i'm assuming my cable modem service will resume
someday, and when it does, i'd like to keep the dialup service ready in case
my cable modem should die again.... sorry for the long ramble and thanks in
advance for any help or pointers.