Messages in this thread | | | Subject | peeking with tokenring on linux laptop | Date | Fri, 3 Jan 1997 14:28:48 PST | From | "Marty Leisner" <> |
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I want to use tcpdump to peek at a token ring network (running primarily netbeui and ipx) with linux 2.0.27 on a laptop...
Ethernet works fine, I'm not sure I under what Link encap: UNSPEC means on tr0...
How do I read tr0 on tcpdump?
oadin device 'eth0'... eth0: 3Com 3c589, port 0x300, irq 3, 10baseT port, 00 60 97 48 25 83 Adding Swap: 23148k swap-space ibmtr_cs.c 1.10 1996/01/06 05:19:00 (Steve Kipisz) ibmtr_attach() ibmtr_event() ibmtr_config(0x0102cde0) tr0: port 0xa20, irq 5, mmio 0xd2000, sram 0xd4000, hwaddr=0020AF226343 tr0: Initial interrupt : shared RAM located at 000D42D4. tr0: Adapter initialized and opened. loading device 'eth0'... eth0: 3Com 3c589, port 0x300, irq 3, 10baseT port, 00 60 97 48 25 83 : leisner@toshiba;ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0 UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1 RX packets:14 errors:0 dropped:0 overruns:0 TX packets:14 errors:0 dropped:0 overruns:0
tr0 Link encap:UNSPEC HWaddr 00-20-AF-22-63-43-00-EC-00-00-00-00-00-00-00-00 inet addr:13.231.132.161 Bcast:13.231.135.255 Mask:255.255.252.0 UP BROADCAST RUNNING MTU:2000 Metric:1 RX packets:8347 errors:0 dropped:0 overruns:0 TX packets:282 errors:0 dropped:0 overruns:0 Interrupt:5 Base address:0xa20
eth0 Link encap:10Mbps Ethernet HWaddr 00:60:97:48:25:83 inet addr:13.231.132.161 Bcast:13.231.135.255 Mask:255.255.252.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:48785 errors:0 dropped:0 overruns:0 TX packets:396 errors:0 dropped:0 overruns:0 Interrupt:3 Base address:0x300
leisner@toshiba;tcpdump -i tr0 not ip tcpdump: snoop: unknown physical layer type
marty leisner@sdsp.mc.xerox.com Don't confuse education with schooling. Milton Friedman to Yogi Berra
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