Sorry for misinformation, one of my colleagues already noticed me that in some (new) hardware is possible 10/100/1000 operation. As I found, best place to found operational mode of GLC-T in certain hardware is "Cisco Gigabit Ethernet Transceiver Modules Compatibility Matrix" at http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_table09186a0080446625.html
There can be found where is supported 10/100/1000 operation. I have only hardware allowing 1000Base-T only (WS-X67xx, Sup720..) and also GLC-T has full name "1000BASE-T SFP transceiver", which supported my mistake. Regards, Daniel On 05/11/2007 02:54 PM, saso pirnat wrote: > Daniel Suchy wrote: >> Hi, >> GLC-T interface is 1000BaseT-only. You cannot connect 100BaseT devices >> here. On 3560 you have 10/100/1000 ports. >> > > this is port which is conected with same GLC-T sfp to C3560, so sfp is > 10/100/1000, but on c7600 is only suported mode 1000 > >>> sh int on 3560 >>> GigabitEthernet0/2 is up, line protocol is up (connected) >>> Hardware is Gigabit Ethernet, address is 0016.9d34.5482 (bia >>> 0016.9d34.5482) >>> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, >>> reliability 255/255, txload 1/255, rxload 1/255 >>> Encapsulation ARPA, loopback not set >>> Keepalive not set >>> Full-duplex, 100Mb/s, link type is auto, media type is >>> 10/100/1000BaseTX SFP >>> input flow-control is off, output flow-control is unsupported >>> ARP type: ARPA, ARP Timeout 04:00:00 >>> Last input never, output 00:00:00, output hang never >>> Last clearing of "show interface" counters never >>> 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 >>> 0 packets input, 0 bytes, 0 no buffer >>> Received 0 broadcasts (0 multicast) >>> 0 runts, 0 giants, 0 throttles >>> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored >>> 0 watchdog, 0 multicast, 0 pause input >>> 0 input packets with dribble condition detected >>> 4501 packets output, 595675 bytes, 0 underruns >>> 0 output errors, 0 collisions, 2 interface resets >>> 0 babbles, 0 late collision, 0 deferred >>> 0 lost carrier, 0 no carrier, 0 PAUSE output >>> 0 output buffer failures, 0 output buffers swapped out > > The 1000BASE-T SFP can support 10/100/1000 speeds only on the Cisco > Catalyst 2970, 3560, and 3750 Series Switches. > > It is also possible to have the port auto-negotiate at a lower speed, or > force a slower speed. Issue the show interface capabilities command in > order to confirm whether a given GLC-T supports 10/100 speed on a switch. > > Output from the show interface capabilities command can confirm whether > a GLC-T can be run at a lower speed. The output also displays the > capabilities of the specified interface, which includes the configurable > features and options. > > > br saso > -- __________________________________________________________________ NIX.CZ z.s.p.o. email: [EMAIL PROTECTED] Daniel Suchy, technical specialist tel: +4202 67198350 Nad Elektrarnou 411, Prague 10 fax: +4202 67198349 106 00 Czech Republic http://www.nix.cz _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
