[plug] [OT] bur.st unreachable

[Craig Ringer]

Andrew Howell wrote:

> I've seen the same thing happen before and fixed it by changing the NIC
> on the linux box so we were using a different MAC address. What I was
> seeing was PPPOE PADT packet sent from telstra killing the link whenever
> I tried connecting with the old card. With the new card it was fine.

Yep, that'll be it. Thanks for the tip. FYI, with many cards you don't 
need to change the card at all to alter the MAC address:

# ifconfig eth1 down
# ifconfig eth1
[root at bucket root]# ifconfig eth1
eth1      Link encap:Ethernet  HWaddr 00:02:B3:AF:6D:13
           BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
           Interrupt:23 Base address:0xa440 Memory:fc142000-fc142038
#
# ifconfig eth1 hw ether 00:00:AA:AA:AA:AA
# ifconfig eth1
eth1      Link encap:Ethernet  HWaddr 00:00:AA:AA:AA:AA
           BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
           Interrupt:23 Base address:0xa440 Memory:fc142000-fc142038

I really should've thought of changing the MAC address - it's obvious in 
hindsight that the MAC address was what was being used to identify a 
host. I was thinking it was the port number at the DSLAM end, which 
obviously I couldn't change, but MAC address makes much more sense.

--
Craig Ringer