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newbie lan problem



I'm setting up a home network for the first time, connecting Windows XP to 
an OpenBSD gateway connected to my ISP.  The problem is that OpenBSD 
doesn't seem to be forwarding packets to the outside.  Here is a diagram:


___________           __________          _________            _______
Windows XP|  10 BaseT |Ethernet| 10 BaseT |OpenBSD| TCP/IP     |ISP  |
Box	  |-----------|Hub     |----------|Gateway|------------|     |
-----------           ----------          ---------            -------
IP 192.168.0.1		             IP Dynamically Assigned   		
Subnet Mask 255.255.0.0		        (range 62.64.xxx.xxx)
DNS Primary 212.74.112.66	     Gateway 192.168.10.123
DNS Second  212.74.112.67

List of configuration files and its contents I edited....

/etc/mygate		192.168.10.123

/etc/hosts.sis0 	inet 192.168.0.2 255.255.255.0 NONE

/etc/hostname.sis0	inet 192.168.0.2 255.255.255.0 NONE
			inet alias 192.168.0.3 255.255.255.255
			inet alias 192.168.0.3 255.255.255.255

/etc/sysctl.conf	net.inet.ip.forwarding=1

Netstat -r
Gateway	           Destination	      Flags Refs Use  Mtu   Interface
default		   My ISP	      UGS    1   4789 1500	tun0
loopback	   K6-2.my.domain     UGRS   0    0   33224	lo0
K6-2.my.domain     K6-2.my.domain     UH     3   15   33224	lo0
192.168.0/24	   link#1	      UC     0    0   -		sis0
192.168.0.2	   0:9:5b:4:aa:f8     UHL    0   5345 -		lo0
192.168.0.3	   K6-2.my.domain     UGHS   0   0    33224	lo0 =>
192.168.0/32	   link#1	      UC     0   0    -		sis0
192.168.0.4	   K6-2.my.domain     UGHS   0   0    33224	lo0 =>
192.168.0.4/32	   link#1	      UC€    0   0    -		sis0
My ISP		   dial-62.64.xxx.xxx UH     1   0    1500	tun0
BASE-ADDRESS.MCAST K6-2.my.domain     URS    0   0    33224	lo0

Internet6:
Destination	   Gateway        Flags REFS  Use  Mtu	  Interface
:/104		   ::1		  UGRS    0	0   -		lo0 =>
:/96		   ::1		  UGRS    0	0   -		lo0
::1		   ::1		  UGRS   12	0   33224	lo0
::127.0.0.0/104    ::1		  UGRS    0	0   -		lo0
::224.0.0.0/100    ::1		  UGRS    0	0   -		lo0
::255.0.0.0/104    ::1		  UGRS    0	0   -		lo0
::ffff:0.0.0.0/96  ::1	 	  UGRS    0	0   -		lo0
2002::/24	   ::1		  UGRS    0	0   -		lo0
2002:7f00::/24     ::1		  UGRS    0	0   -		lo0
2002:e000::120     ::1		  UGRS    0	0   -		lo0
2002:ff00::124     ::1		  UGRS    0	0   -		lo0
fe80::110	   ::1		  UGRS    0	0   -		lo0
fe80::%sis0/64	   link#1	  UC      0	0   -		sis0
fe80::209:5bff:fe0 0:9:5b:4:aa:f8 UHL     0	0   -		lo0
fe80::%lo0/64	   fe80::1%lo0	  U       0	0   -		lo0
fe80::1%lo0        link#5	  UHL     0	0   -		lo0
fec0::/10	   ::1		  UGRS    0	0   -		lo0
ff01::/32	   ::1		  UC      0	0   -		lo0
ff02::%sis0/32     link#1	  UC	  0	0   -		sis0
ff02::%lo0/32      ::1		  UC	  0	0   -		lo0
ff02::%tun0/32     link10    	  UC	  0	0   1500	tun0


The network is physically connected as I can identify Windows XP on 
192.168.0.1 using nmap.

Also ifconfig -a shows my NIC is configured.

Thanks,
Juan



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