TransACT pppoe dropouts
Andrew Bartlett
abartlet at samba.org
Thu Oct 17 21:07:25 EST 2002
Rasjid Wilcox wrote:
>
> On occasions my pppoe connection to Webone seems to become very unstable.
>
> I'm currently getting a drop-out every hour or so (sometimes every 10 minutes
> or so). I have previously have had connections up for over a week, and I
> have not changed any configs here that I can think of.
>
> Is anyone else experiencing this? If not (ie, it is just me), then what is
> the best way of debugging this kind of stuff. I'd like to actually know
> something before complaining to Webone, as I currently have no idea if it is
> my end or theirs.
This looks like it's at your end, but Webone can usually tell you quite
useful details from their logs.
> /var/log/messages simply says (for example):
> Oct 17 10:16:47 kenobi pppd[2880]: No response to 2 echo-requests
> Oct 17 10:16:47 kenobi pppd[2880]: Serial link appears to be disconnected.
> Oct 17 10:16:47 kenobi pppd[2880]: Connection terminated.
> Oct 17 10:16:47 kenobi pppd[2880]: Connect time 5.0 minutes.
> Oct 17 10:16:47 kenobi pppd[2880]: Sent 12461 bytes, received 11687 bytes.
> Oct 17 10:16:47 kenobi pppd[2880]: Exit.
>
> which is not particularly helpful.
>
> My pppoe connection goes out over eth1, and from ifconfig:
> eth1 Link encap:Ethernet HWaddr 00:60:67:3E:13:CC
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:22227 errors:0 dropped:55 overruns:0 frame:67
> TX packets:17001 errors:0 dropped:0 overruns:0 carrier:0
> collisions:2 txqueuelen:100
> Interrupt:12 Base address:0xa000
>
> I note there are a number of dropped RX packets. However, I have not idea if
> this is normal for a pppoe interface or not. There are no dropped packets on
> the ppp0 link itself.
The dropped packets could certinaly indicate a problem - that's packets
between your ethernet card, and the xDSL modem.
Might be worth checking the cabling.
Andrew Bartlett
--
Andrew Bartlett abartlet at pcug.org.au
Manager, Authentication Subsystems, Samba Team abartlet at samba.org
Student Network Administrator, Hawker College abartlet at hawkerc.net
http://samba.org http://build.samba.org http://hawkerc.net
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