Network problems

[Sascha Wildner]

Hi,

this started with an upgrade about 1-2 weeks ago (well, it started with 
*something* that happened 1-2 weeks ago). Network (packet forwarding?) 
stalled every 6-12 hours. Today I did another upgrade (no configuration 
changes) and now it happens every 30-90 minutes.

This box is my router connected to the net by an rl interface (via 
pppoe) and connected to the internal network by an sis.

When it hangs I can do:

# [kill ppp]
# ifconfig tun0 down
# ifconfig tun0 up
# [start ppp]
Then I get a:

Working in ddial mode
Error: bundle_Create: ioctl(TUNSIFMODE): Device busy
Using interface: tun0
After which everything works normal again. If I leave out the down/up of 
tun0 I won't get an error from ppp but it will use tun1 instead which 
doesn't work.

I could provide tcpdump output for both interfaces if there's interest.

Sascha

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