Only seeing arp traffic?

["Paul Asadoorian" <paul.com () home com>]

I have the following configuration:

Cable Modem
        /\
         |
         |
        \/
    HUB <-----> Snort IDS with No IP address (OpenBSD 2.7 Sparc 20, snort
1.7rel2)
        /\
         |
         |
        \/
   UGate-3200 Firewall
        /\
         |
         |
        \/
Rest of network

(All lines are catV ethernet, The one to the cable modem is plugged into the
xover port on the hub, every other host on the network is running a-okay).
Here is a sample of the traffic that I have been seeing:

# tcpdump -i hme0
tcpdump: WARNING: hme0: no IPv4 address assigned
tcpdump: listening on hme0
20:02:02.967846 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:07.827799 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:10.378441 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:14.391034 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:14.823077 arp who-has 65.11.234.220 tell 65.11.234.129
20:02:15.277576 10.67.142.1.bootps > 255.255.255.255.bootpc:  xid:0x39ac
flags:0x8000 Y:10.108.47.8 S:24.2.0.14 G:10.67.142.1 ether 0:20:40:b4:39:ac
[|bootp]
20:02:15.375589 10.67.142.1.bootps > 255.255.255.255.bootpc:  xid:0x39ac
flags:0x8000 Y:10.108.47.8 S:24.2.0.14 G:10.67.142.1 ether 0:20:40:b4:39:ac
file ""[|bootp]
20:02:16.549517 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:17.746115 arp who-has 65.11.234.220 tell 65.11.234.129
20:02:23.864878 arp who-has 65.11.234.220 tell 65.11.234.129
20:02:33.062801 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:36.455231 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:40.404566 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:41.068053 arp who-has 24.18.130.137 tell 24.18.130.1
20:02:43.233819 arp who-has 24.7.7.127 tell 24.7.7.1
20:02:44.042454 arp who-has 24.18.130.137 tell 24.18.130.1

I found the bootp traffic particularly interesting, but I would really like
to see more common IP trafffic (like TCP, UDP, ICMP maybe? :-)

Any help is greatly appreciated.  Thanks, in advance....

Paul



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