I've set up a gateway (slink, 2.2.14) that provides internet access
(isdn) for the rest of the network (all windows things), now there's a
little problem: The server won't stop calling the provider... 

Here's some info:

A piece from tcpdump -i ippp0:

14:39:32.211020 truncated-ip - 16321 bytes missing!0.70.50.119 >
0.0.64.17: (frag 41369:[EMAIL PROTECTED]) [ttl 0]
14:39:32.451020 truncated-ip - 16321 bytes missing!0.70.50.122 >
0.0.64.17: (frag 25019:[EMAIL PROTECTED]) [ttl 0]
14:39:36.491020 truncated-ip - 16321 bytes missing!0.70.50.138 >
0.0.64.17: (frag 41360:[EMAIL PROTECTED]) [ttl 0]
14:39:36.721020 0.70.50.141 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:36.941020 truncated-ip - 16321 bytes missing!0.70.50.144 >
0.0.64.17: (frag 41356:[EMAIL PROTECTED]) [ttl 0]
14:39:37.181020 truncated-ip - 48538 bytes missing!0.70.50.147 >
0.0.64.17: (frag 0:[EMAIL PROTECTED]) [tos 0x9c] [ttl 0]
14:39:37.431020 truncated-ip - 18436 bytes missing!0.70.50.150 >
0.0.64.17: (frag 59425:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:37.681020 truncated-ip - 80 bytes missing!0.70.50.153 > 0.0.64.17:
(frag 9239:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:41.001020 0.70.50.166 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:41.151020 truncated-ip - 16321 bytes missing!0.70.50.169 >
0.0.64.17: (frag 48348:[EMAIL PROTECTED]) [ttl 0]
14:39:41.471020 c.root-servers.net.domain > vp237-252.worldonline.nl.1978:
14436 NXDomain*- 0/1/0 (128) (DF)
14:39:41.471020 truncated-ip - 18436 bytes missing!0.70.50.172 >
0.0.64.17: (frag 59425:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:41.971020 c.root-servers.net.domain > vp237-252.worldonline.nl.1978:
36520 NXDomain*- 0/1/0 (128) (DF)
14:39:41.971020 0.70.50.175 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:42.301020 0.70.50.178 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:42.641020 truncated-ip - 16321 bytes missing!0.70.50.181 >
0.0.64.17: (frag 41347:[EMAIL PROTECTED]) [ttl 0]
14:39:42.971020 truncated-ip - 80 bytes missing!0.70.50.190 > 0.0.64.17:
(frag 9239:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:43.311020 c.root-servers.net.domain > vp237-252.worldonline.nl.1978:
45789 NXDomain*- 0/1/0 (128) (DF)
14:39:43.311020 truncated-ip - 18436 bytes missing!
14:39:32.211020 truncated-ip - 16321 bytes missing!0.70.50.119 >
0.0.64.17: (frag 41369:[EMAIL PROTECTED]) [ttl 0]
14:39:32.451020 truncated-ip - 16321 bytes missing!0.70.50.122 >
0.0.64.17: (frag 25019:[EMAIL PROTECTED]) [ttl 0]
14:39:36.491020 truncated-ip - 16321 bytes missing!0.70.50.138 >
0.0.64.17: (frag 41360:[EMAIL PROTECTED]) [ttl 0]
14:39:36.721020 0.70.50.141 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:36.941020 truncated-ip - 16321 bytes missing!0.70.50.144 >
0.0.64.17: (frag 41356:[EMAIL PROTECTED]) [ttl 0]
14:39:37.181020 truncated-ip - 48538 bytes missing!0.70.50.147 >
0.0.64.17: (frag 0:[EMAIL PROTECTED]) [tos 0x9c] [ttl 0]
14:39:37.431020 truncated-ip - 18436 bytes missing!0.70.50.150 >
0.0.64.17: (frag 59425:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:37.681020 truncated-ip - 80 bytes missing!0.70.50.153 > 0.0.64.17:
(frag 9239:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:41.001020 0.70.50.166 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:41.151020 truncated-ip - 16321 bytes missing!0.70.50.169 >
0.0.64.17: (frag 48348:[EMAIL PROTECTED]) [ttl 0]
14:39:41.471020 c.root-servers.net.domain > vp237-252.worldonline.nl.1978:
14436 NXDomain*- 0/1/0 (128) (DF)
14:39:41.471020 truncated-ip - 18436 bytes missing!0.70.50.172 >
0.0.64.17: (frag 59425:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:41.971020 c.root-servers.net.domain > vp237-252.worldonline.nl.1978:
36520 NXDomain*- 0/1/0 (128) (DF)
14:39:41.971020 0.70.50.175 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:42.301020 0.70.50.178 > 0.0.64.17: (frag 13113:[EMAIL PROTECTED]) [tos 
0x67]
[ttl 0]
14:39:42.641020 truncated-ip - 16321 bytes missing!0.70.50.181 >
0.0.64.17: (frag 41347:[EMAIL PROTECTED]) [ttl 0]
14:39:42.971020 truncated-ip - 80 bytes missing!0.70.50.190 > 0.0.64.17:
(frag 9239:[EMAIL PROTECTED]) [tos 0x67] [ttl 0]
14:39:43.311020 c.root-servers.net.domain > vp237-252.worldonline.nl.1978:
45789 NXDomain*- 0/1/0 (128) (DF)
14:39:43.311020 truncated-ip - 18436 bytes missing!

Ron


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