Yes, I manually set the speed and duplex on the cisco ports to 100 full. No effect. We had VOIP phones dropping constantly as they connected through the gig Linksys switches.
Had a similar issue with my T61 Lenovo laptop. Connected through the gig Linksys switch then to the Cisco 2950, I could only connect at 10megs. Hard coding dropped the network connection entirely. The port is a gig port on my laptop.
But when I placed a C2924 switch before the Linksys and plugged in there, was able to connect at 100 meg full, no problem.
Mostly an annoyance, but was hoping there was a fix to the Cisco switches. Linksys is owned by Cisco now.... :-P
Here's the deal. I have a Lenovo T61 Thinkpad. It has a built-in Intel 82566MM Gigabit network card. All the drivers are up-to-date.
It is plugged into a Linksys SD2008 8-port 10/100/1000 switch which then uplinks to the switch closet's Cisco 48-port 2950.
When I set network card for Auto-Detect, it defaults to 10 meg full. Nothing I do can get it to go higher than 10 megs.
When I hard code it to 100 meg full or auto-detect 1000meg, Windows XP says the network cable is unplugged. (No issues with my Fedora 9 Linux box or my CentOS 5 server that plugs into the same local Linksys switch.
Here is the output of Fa0/29 after clearing counters, which is what my Linksys switch uplinks to:
#sho interfaces fa0/29
FastEthernet0/29 is up, line protocol is up
Hardware is Fast Ethernet, address is 0011.bccf.201d (bia 0011.bccf.201d)
Description: S206-D-05 Data Cox
MTU 1500 bytes, BW 100000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
input flow-control is off, output flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:03, output hang never
Last clearing of "show interface" counters 00:09:54
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
2482 packets input, 339472 bytes, 0 no buffer
Received 340 broadcasts, 0 runts, 0 giants, 0 throttles
It could be a cabling issue , gigabit needs all 8 wires to be good to run gigabit. 10/100 only takes 2 pairs . Patch cables bad or incorrect or missing wires ???? These unmanaged switches need the connections to be set as auto ,anything else will probably cause problems.
Yeah the 2950 wouldn't have anything to do with the Linksys problems. Not sure what else you can try. Sometimes there are nic incompatibilities with certain equipment though I haven't seen one in quite awhile on actual cisco gear.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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