eth1 and 2.1.115

Marc Singer (elf@netcom.com)
Wed, 12 Aug 1998 19:00:20 -0700 (PDT)


I'm experiencing several peculiar problems when I configure eth1 on
the 2.1.115 kernel. I haven't yet been able to put my finger on the
exact cause, but the symptoms are many. None of these things were
problems on 2.0.33.

ifconfig eth1 192.168.1.1

a) tcpdump (tcpdump version 3.4a6 libpcap version 0.4a6) doesn't see
packets on eth1 when I use the '-i eth1' switch. I can ping the
other host, but I cannot see the traffic as it goes.
b) sendmail refuses to start properly when the eth1 device is
initialized. In strace, I can see it is talking to the name
server. Removing bind from hosts.conf lets it start.
c) Aliasing has some oddities. I was using an alias eth0:0 for this
network, but the routing table shows the base device and not the
alias.

ifconfig eth0:0 192.168.2.1
route
...
192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
...

I checked all of the packages mentioned in Changes and find them all
up to date or better. Though, I intend to do more work in this
tonight to see if I can find the causes of these problems, I thought
it might be good to mention these things in case there is either a) a
network driver bug, or b) some userland software conflict not
mentioned in Changes.

-- Marc

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