[nsp] Duplex issues with 4700

Alex Rubenstein alex at nac.net
Thu Apr 1 12:30:41 EST 2004



NP-6E is Half Duplex only, I believe.



On Thu, 1 Apr 2004, Krzysztof Adamski wrote:

> I'm playing with a cisco 4700M+ with a 6 Ethernet/IEEE 802.3 interface(s)
> card. show interface shows:
> Ethernet0 is up, line protocol is up
>   Hardware is Am79c970, address is 0010.7b47.039a (bia 0010.7b47.039a)
>   Internet address is 6.35.18.16/27
>   MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
>      reliability 255/255, txload 1/255, rxload 1/255
>   Encapsulation ARPA, loopback not set
>   Keepalive set (10 sec)
>   Unknown duplex
> ^^^^^^^^^^^^^^^^^
>
> If I try to set duplex on the router like this:
> ons(config)#interface ethernet 0
> ons(config-if)#duplex half
> This command is not supported for Ethernet0.
>
> IOS is Version 12.2(17a)
>
> The switch reports this:
> FastEthernet0/17 is up, line protocol is up
>   Hardware is Fast Ethernet, address is 0001.967d.7551 (bia
> 0001.967d.7551)
>   MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
>      reliability 255/255, txload 2/255, rxload 4/255
>   Encapsulation ARPA, loopback not set
>   Keepalive not set
>   Half-duplex, 10Mb/s, 100BaseTX/FX
>   ARP type: ARPA, ARP Timeout 04:00:00
>   Last input 00:00:20, 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 179000 bits/sec, 95 packets/sec
>   5 minute output rate 109000 bits/sec, 137 packets/sec
>      769086 packets input, 187476366 bytes
>      Received 205 broadcasts, 7848 runts, 0 giants, 0 throttles
>      7848 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>      0 watchdog, 121 multicast
>      0 input packets with dribble condition detected
>      1070957 packets output, 108533707 bytes, 0 underruns
>      0 output errors, 6011 collisions, 3 interface resets
>      0 babbles, 0 late collision, 18974 deferred
>      0 lost carrier, 0 no carrier
>      0 output buffer failures, 0 output buffers swapped out
>
> Is there anything I can do to fix this?
>
> K
>
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-- Alex Rubenstein, AR97, K2AHR, alex at nac.net, latency, Al Reuben --
--    Net Access Corporation, 800-NET-ME-36, http://www.nac.net   --



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