It is connected to a hub. I have a Sniffer on the same ring, using the
same card and it works well.
# ./trconfig
Madge Diagnostics v1.1
Copyright (c) 1999 Madge Networks Ltd
Device: tr0
Driver version: 2.31.0
Driver ID: MadgeLinux 2.31
Card: Madge Smart 16/4 PCI Ringnode Mk2
PCI Info: Bus 0 Device 11 Function 0
IO Base: 5000
IRQ: 11
Max Frame Size: 12000
RX Slots: 4
TX Slots: 4
Burnt in Address: 0000F6B7F2CF
LAA: 0000F6B7F2CF
Upstream Neighbour: 0000F6CACBC1
Current group: 000000000000
Open Ring Speed: 16 Mbits/s
Connection Type: Classic
Promiscuous level: All LLC and MAC frames
Last Beacon Type: 0x0
Local Ring Number: 0x0
State: Device open (Adapter open)
Ring Status: Normal
Counters
Bytes Frames Dropped Errors
RX 50009 590 0 0
TX 1552 3 0 0
Errors
Line:0 Internal:0 Burst: 0
ARI/FCI:0 Abort Delim:0 Lost Frame: 0
Congestion:0 Frame Copy:0 Frequency: 0
Token:0 DMA Bus:0 DMA Parity: 0
# /sbin/ifconfig tr0
tr0 Link encap:16/4 Mbps Token Ring HWaddr 00:00:F6:B7:F2:CF
inet addr:32.73.75.226 Bcast:32.73.75.255 Mask:255.255.252.0
UP BROADCAST RUNNING PROMISC MTU:9000 Metric:1
RX packets:1223 errors:0 dropped:0 overruns:0 frame:0
TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:11 Base address:0x5000
> Is the card connected to a hub or a switch?
> > I was wondering if this might be the proper forum to get assistance
with
> > figuring out why tcpdump is not working as expected on my system. I
get
> > the card in promiscuous mode but tcpdump only sees/reports broadcast
> > packets or packets destined for the system itself.
> > RH Linux - 2.2.14 kernel (tried 2.2.18 also but can't get mtok
to
> > compile on that platform yet)
> > libpcap-0.7.1 (tried 0.6.2 first, same results)
> > tcpdump-3.7.1 (tried 3.6.2 first, same results)
> > Madge TR card BM Mk2, mtok.o v2.31
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