[nSLUG] Eastlink DHCP oddness

Julien Savoie julien.savoie at usainteanne.ca
Fri Mar 7 08:10:11 AST 2014


Hello NSLUG, this is my first post to this list.

I would like to get some feedback on some oddness I'm seeing with DHCP
from Eastlink.  I've tried contacting Eastlink but haven't gotten a
useful reply, and I was wondering if other users had run into this.

Mar  7 06:10:11 thunder dhclient: DHCPREQUEST on eth0 to 24.222.150.153
port 67
Mar  7 06:10:11 thunder dhclient: DHCPACK from 24.222.150.153
Mar  7 06:10:11 thunder dhclient: bound to 173.212.x.x -- renewal in
1577 seconds.
...
Mar  7 06:36:32 thunder dhclient: DHCPREQUEST on eth0 to 24.222.150.153
port 67
Mar  7 06:36:32 thunder dhclient: DHCPACK from 24.222.150.153
Mar  7 06:36:32 thunder dhclient: bound to 173.212.x.x -- renewal in
1742 seconds.

It would appear Eastlink has moved to exceptionally short dhcp lease times.

lease {
  interface "eth0";
  option dhcp-lease-time 3600;
  option dhcp-renewal-time 1711;
  option dhcp-rebinding-time 3150;

As well I'm seeing this:

Mar  2 08:59:54 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 116): option length exceeds option buffer length.
Mar  2 16:38:43 thunder dhclient: parse_option_buffer: malformed option
dhcp.finger-server (code 73): option length exceeds option buffer length.
Mar  3 08:15:57 thunder dhclient: parse_option_buffer: malformed option
dhcp.uap-servers (code 98): option length exceeds option buffer length.
Mar  3 22:29:19 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 116): option length exceeds option buffer length.
Mar  4 21:18:12 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 117): option length exceeds option buffer length.
Mar  4 23:40:16 thunder dhclient: parse_option_buffer: malformed option
dhcp.irc-server (code 74): option length exceeds option buffer length.
Mar  6 07:53:07 thunder dhclient: parse_option_buffer: malformed option
dhcp.uap-servers (code 98): option length exceeds option buffer length.
Mar  6 09:38:07 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 116): option length exceeds option buffer length.
Mar  6 14:11:07 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 117): option length exceeds option buffer length.
Mar  6 14:55:34 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 116): option length exceeds option buffer length.
Mar  6 20:40:03 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 116): option length exceeds option buffer length.
Mar  7 00:02:54 thunder dhclient: parse_option_buffer: malformed option
dhcp.<unknown> (code 116): option length exceeds option buffer length.

As anyone else noticed this?


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