Is it a blocked port? If so, perhaps: Blinking amber
Port is blocked by STP and is transmitting or receiving packets. http://www.cisco.com/en/US/docs/switches/lan/catalyst2970/hardware/installation/guide/HIGOVERV.html -- Sent from my mobile device On 2012-10-08, at 11:11 PM, Lynn Emerson <[email protected]> wrote: > > Hmm, unfortunately, i compare both are having the same vlan settings but > unable to get the light blinking well. > > > From: Lynn Emerson <[email protected]> > To: Jason Lixfeld <[email protected]> > Sent: Tuesday, October 9, 2012 10:08 AM > Subject: Re: [c-nsp] flashing green/amber light on WS-C2970G-24TS-E > > Hello Jason, > > Yes it is a trunk! > > interface GigabitEthernet0/28 > switchport trunk encapsulation dot1q > switchport trunk allowed vlan 100-200 > switchport mode trunk > no ip address > speed nonegotiate > > Thanks! > > Lynn > From: Jason Lixfeld <[email protected]> > To: Lynn Emerson <[email protected]> > Cc: "[email protected]" <[email protected]> > Sent: Tuesday, October 9, 2012 9:18 AM > Subject: Re: [c-nsp] flashing green/amber light on WS-C2970G-24TS-E > > If I remember correctly, that has something to do with frames matching a VLAN > ID that is not configured on the port in question, which should be a trunk > port, these symptoms are consistent with my recollection. > > Is the port a trunk? > > -- > > Sent from my mobile device > > > On 2012-10-08, at 8:51 PM, Lynn Emerson <[email protected]> wrote: > > > Dear all, > > > > Im been facing flashing green/amber light on sfp gb interface. However > > there is no collisions, errors or crc problem. The link is working > > perfectly well. Im running out of idea what could be the problem. Show logs > > show no error. Any suggestion what could be the problem? > > > > > > sh int gi0/28 > > GigabitEthernet0/28 is up, line protocol is up (connected) > > Description: - > > MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, > > reliability 255/255, txload 19/255, rxload 30/255 > > Encapsulation ARPA, loopback not set > > Keepalive set (10 sec) > > Full-duplex, 1000Mb/s, link type is force-up, media type is LX > > output flow-control is off, input flow-control is off > > ARP type: ARPA, ARP Timeout 04:00:00 > > Last input 00:00:00, output 00:00:01, 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 117918000 bits/sec, 26677 packets/sec > > 5 minute output rate 76322000 bits/sec, 32481 packets/sec > > 208002093 packets input, 2438859250 bytes, 0 no buffer > > Received 281302 broadcasts (0 multicast) > > 0 runts, 0 giants, 0 throttles > > 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored > > 0 watchdog, 149178 multicast, 0 pause input > > 0 input packets with dribble condition detected > > 266283554 packets output, 2306958629 bytes, 0 underruns > > 0 output errors, 0 collisions, 1 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 > > > > > > Thanks! > > Lynn > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
