Date: Mon, 22 Mar 1999 00:40:00 -0000 (GMT) From: Joao Pedras <jpedras@mail.telepac.pt> To: freebsd-net@freebsd.org Subject: autodisconnect failing Message-ID: <XFMail.990322004000.jpedras@mail.telepac.pt>
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Hello everyone!
I connect to the internet using one of my FreeBSD boxes using isdn with i4b as
a gateway. It always as been configured to disconnect after some idle time.
Well it as always been working... until a couple days ago I noticed that it
wasn't disconnecting. I have also noticed this problem with several other people
using other operating systems in this area and with this isp.
The thing is, if I stay with everything idle I am able to notice that there is
incoming traffic.
The time interval between these packets is 1 or 2 seconds.
Please notice that this ONLY happens when the communications to the internet
are idle. These packets do NOT show up when normal traffic is taking place.
Why am I receiving this packets ?
I tried to know what are the contents of those packets and here is the result :
Frame (64 on wire, 64 captured)
Frame arrived on Mar 22, 1999 00:25:24.1818
Total frame length: 64 bytes
Capture frame length: 64 bytes
Point-to-Point Protocol
Address: ff
Control: 03
Protocol: IP (0x0021)
Internet Protocol
Version: 4
Header length: 20 bytes
Type of service: 0x00 (None)
000. .... = routine precedence
...0 .... = normal delay
.... 0... = normal throughput
.... .0.. = normal reliability
.... ..0. = normal cost
Total length: 60
Identification: 0x0000
Flags: 0x0
.0.. .... = may fragment
..0. .... = last fragment
Fragment offset: 0
Time to live: 2
Protocol: Unknown (58)
Header checksum: 0xd274
Source address: coi-rd1.telepac.net (194.65.66.234)
Destination address: IGRP-ROUTERS.MCAST.NET (224.0.0.10)
Frame (64 on wire, 64 captured)
Frame arrived on Mar 22, 1999 00:25:24.1818
Total frame length: 64 bytes
Capture frame length: 64 bytes
Point-to-Point Protocol
Address: ff
Control: 03
Protocol: IP (0x0021)
Internet Protocol
Version: 4
Header length: 20 bytes
Type of service: 0x00 (None)
000. .... = routine precedence
...0 .... = normal delay
.... 0... = normal throughput
.... .0.. = normal reliability
.... ..0. = normal cost
Total length: 60
Identification: 0x0000
Flags: 0x0
.0.. .... = may fragment
..0. .... = last fragment
Fragment offset: 0
Time to live: 2
Protocol: Unknown (58)
Header checksum: 0xd274
Source address: coi-rd1.telepac.net (194.65.66.234)
Destination address: IGRP-ROUTERS.MCAST.NET (224.0.0.10)
Thank you for your help!
Joao Pedras
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