3c905 vs 3c905b

[Thomas Cunningham]

I have about 50 servers online, half with 3c905 and the other half with the
3c905b.

I'm suffering severe degradation in service with the 3c905b card. I've
compiled in the 3c59x.c:v0.46D, and E with the same results. The 3c905b
will not negotiate to 100Mb nor full duplex and my Catalyst switch bulks
about a high number of collisions:


A) 3c905 is fine
FastEthernet0/2 is up, line protocol is up
  Hardware is Fast Ethernet, address is 0090.f231.5642 (bia 0090.f231.5642)
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255
  Encapsulation ARPA, loopback not set, keepalive not set
  Full-duplex, 100Mb/s, 100BaseTX/FX  ARP type: ARPA, ARP Timeout 04:00:00
  Last input never, output 00:00:01, output hang never
  Last clearing of "show interface" counters never  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 0/75, 0 drops
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     27938826 packets input, 2933116654 bytes, 0 no buffer
     Received 671 broadcasts, 1 runts, 0 giants, 0 throttles
     1 input errors, 0 CRC, 1 frame, 0 overrun, 0 ignored, 0 abort
     0 watchdog, 0 multicast     0 input packets with dribble condition
detected
     7027301 packets output, 226902129 bytes, 0 underruns
     0 output errors, 1 collisions, 3 interface resets
     0 babbles, 0 late collision, 2 deferred     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

B) 3c905b is poor

FastEthernet0/3 is up, line protocol is up
  Hardware is Fast Ethernet, address is 0090.f231.5643 (bia 0090.f231.5643)
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255
  Encapsulation ARPA, loopback not set, keepalive not set
  Half-duplex, 10Mb/s, 100BaseTX/FX  ARP type: ARPA, ARP Timeout 04:00:00
  Last input never, output 00:00:01, output hang never
  Last clearing of "show interface" counters never  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 0/75, 0 drops
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     1901454 packets input, 178092133 bytes, 0 no buffer
     Received 14132 broadcasts, 1710516 runts, 0 giants, 0 throttles
     71 input errors, 0 CRC, 0 frame, 0 overrun, 15 ignored, 0 abort
     0 watchdog, 0 multicast     0 input packets with dribble condition
detected
     7183277 packets output, 3171614566 bytes, 0 underruns
     0 output errors, 1428743 collisions, 3 interface resets
     0 babbles, 0 late collision, 7580 deferred     0 lost carrier, 0 no
carrier
     0 output buffer failures, 0 output buffers swapped out






Sincerely,


Thomas Cunningham


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