No subject


Tue Jun 4 12:17:20 MDT 2013


eth0      Link encap:Ethernet  HWaddr 00:10:A4:E0:43:DF  
          inet addr:10.1.1.53  Bcast:10.1.1.255  Mask:255.255.255.0
          UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:60 errors:0 dropped:0 overruns:0 frame:0
          TX packets:48 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100 
          RX bytes:8422 (8.2 Kb)  TX bytes:10594 (10.3 Kb)
          Interrupt:11 Base address:0x4000 




On Tue, 20 Aug 2002, John Hernandez wrote:

> |>>Aug 20 11:57:00 firewall dhcpd: already acking lease 10.1.1.51
> |>>Aug 20 11:57:00 firewall dhcpd: Abandoning IP address 10.1.1.51:
> pinged before offer
> 
> It looks like the DHCP server is getting flooded with DISCOVER messages
> from that same MAC address.  Are there subinterfaces on the client that
> are also requesting DHCP addresses?
> 
> Could there be boxes on the network that have statically assigned
> (stolen) addresses out of the DHCP pool?
> 
> Chuck Wiechman wrote:
> | The dhcp server (yes the output below came from the serer) is on the same
> | net with IP address 10.1.1.1, there is no firewalling on that interface.
> |
> |
> | On Tue, 20 Aug 2002, D. Stimits wrote:
> |
> |
> |>Chuck Wiechman wrote:
> |>
> |>>I recently upgraded my laptop from redhat 7.1 to 7.3. After the upgrade,
> |>>the laptop is having issues keeping the same IP address. For some reason
> |>>it keeps requesting a new IP, and giving up its old one. I am pretty
> sure
> |>>there is nothing wrong with the dhcp server (redhat 7.2 it has been
> |>>running for months just fine), and it exhibits the same behavior at
> work
> |>>with a debian dhcp server.
> |>>
> |>>The only difference that I can see is that 7.3 uses dhcpcd instead
> of the
> |>>pump client. I don't see any patches for dhcp on redhats page. Is
> this a
> |>>know bug? Should I go back to pump?
> |>
> |>I just installed dhcp client on my machine for cable modem, RH 7.3. I
> |>could not get pump to work, but dhcpc worked without any effort. The one
> |>thing that initially hurt was having the firewall block
> |>non-Internet-routable addresses...it turns out that AT&T uses one of
> |>those to talk via dhcp to users. The output below is from the dhcp
> |>server (I hope it isn't running on the laptop...it could be trying to
> |>serve itself), I wonder if "abandoned" can be caused by a blocked port
> |>or address? Did your upgrade change anything at all to do with
> firewalling?
> |>
> |>D. Stimits, stimits AT attbi.com
> |>
> |>
> |>>
> |>>dhcpd.leases
> |>>---------------------------------------------------
> |>>lease 10.1.1.51 {
> |>>        starts 2 2002/08/20 17:57:00;
> |>>        ends 2 2002/08/20 17:57:00;
> |>>        abandoned;
> |>>}
> |>>lease 10.1.1.50 {
> |>>        starts 2 2002/08/20 01:20:46;
> |>>        ends 2 2002/08/20 01:20:48;
> |>>        hardware ethernet 00:10:a4:e0:43:df;
> |>>        uid 01:00:01:02:79:2d:87;
> |>>}
> |>>lease 10.1.1.64 {
> |>>        starts 2 2002/08/20 01:19:42;
> |>>        ends 2 2002/08/20 01:19:42;
> |>>        abandoned;
> |>>}
> |>>lease 10.1.1.53 {
> |>>        starts 2 2002/08/20 17:57:10;
> |>>        ends 2 2002/08/20 21:57:10;
> |>>        hardware ethernet 00:10:a4:e0:43:df;
> |>>        uid 01:00:01:02:79:2d:87;
> |>>}
> |>>lease 10.1.1.53 {
> |>>        starts 2 2002/08/20 17:57:11;
> |>>        ends 2 2002/08/20 21:57:11;
> |>>        hardware ethernet 00:10:a4:e0:43:df;
> |>>        uid 01:00:01:02:79:2d:87;
> |>>}
> |>>
> |>>
> |>>
> |>>Aug 20 09:56:59 firewall dhcpd: DHCPDISCOVER from 00:10:a4:e0:43:df
> via eth0
> |>>Aug 20 09:57:00 firewall dhcpd: DHCPOFFER on 10.1.1.51 to
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 09:57:00 firewall dhcpd: DHCPDISCOVER from 00:10:a4:e0:43:df
> via eth0
> |>>Aug 20 09:57:00 firewall dhcpd: DHCPOFFER on 10.1.1.51 to
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 09:57:00 firewall dhcpd: DHCPREQUEST for 10.1.1.51 from
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 09:57:00 firewall dhcpd: DHCPACK on 10.1.1.51 to
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 11:57:00 firewall dhcpd: DHCPDISCOVER from 00:10:a4:e0:43:df
> via eth0
> |>>Aug 20 11:57:00 firewall dhcpd: DHCPDISCOVER from 00:10:a4:e0:43:df
> via eth0
> |>>Aug 20 11:57:00 firewall dhcpd: already acking lease 10.1.1.51
> |>>Aug 20 11:57:00 firewall dhcpd: Abandoning IP address 10.1.1.51:
> pinged before offer
> |>>Aug 20 11:57:08 firewall dhcpd: DHCPDISCOVER from 00:10:a4:e0:43:df
> via eth0
> |>>Aug 20 11:57:09 firewall dhcpd: DHCPOFFER on 10.1.1.52 to
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 11:57:09 firewall dhcpd: DHCPDISCOVER from 00:10:a4:e0:43:df
> via eth0
> |>>Aug 20 11:57:10 firewall dhcpd: DHCPOFFER on 10.1.1.53 to
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 11:57:10 firewall dhcpd: DHCPREQUEST for 10.1.1.53 from
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 11:57:10 firewall dhcpd: DHCPACK on 10.1.1.53 to
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 11:57:11 firewall dhcpd: DHCPREQUEST for 10.1.1.53 from
> 00:10:a4:e0:43:df via eth0
> |>>Aug 20 11:57:11 firewall dhcpd: DHCPACK on 10.1.1.53 to
> 00:10:a4:e0:43:df via eth0
> |>>
> |>>
> |>>
> |>>
> |>>_______________________________________________
> |>>Web Page:  http://lug.boulder.co.us
> |>>Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> |>>Join us on IRC: lug.boulder.co.us port=6667 channel=#colug
> |>>
> |>
> |>
> |>
> |>_______________________________________________
> |>Web Page:  http://lug.boulder.co.us
> |>Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> |>Join us on IRC: lug.boulder.co.us port=6667 channel=#colug
> |>
> |
> |
> | _______________________________________________
> | Web Page:  http://lug.boulder.co.us
> | Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> | Join us on IRC: lug.boulder.co.us port=6667 channel=#colug
> 
> 
> --
> 
> ~  - John Hernandez - Network Engineer - 303-497-6392 -
> ~ |  National Oceanic and Atmospheric Administration   |
> ~ |  Mailstop R/OM62. 325 Broadway, Boulder, CO 80305  |
> ~  ----------------------------------------------------
> 
> _______________________________________________
> Web Page:  http://lug.boulder.co.us
> Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> Join us on IRC: lug.boulder.co.us port=6667 channel=#colug
> ------------ Output from gpg ------------
> gpg: Signature made Tue 20 Aug 2002 02:51:51 PM MDT using DSA key ID 586A7E23
> gpg: Can't check signature: public key not found
> 
> 





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