Hi,
I've some trouble with a NPE-G1 interface connected to a Catalyst
2960G switch via multimode cable. Input errors increases very fast.
Optics on both sides are original cisco. Average bandwidth is ~30-50
Mbps, burst bandwidth ~80-100 Mbps for a short period.
Configuration NPE-G1 interface:
----------------------------------------------
interface GigabitEthernet0/1
ip address x.x.x.x 255.255.255.240
no ip proxy-arp
ip route-cache flow
duplex full
speed 1000
media-type gbic
negotiation auto
ipv6 address x:x:x::x/64
no cdp enable
Configuration switch interface:
--------------------------------------------
!
interface GigabitEthernet0/23
description Cisco7204VXR
switchport access vlan 250
switchport mode access
spanning-tree portfast
!
Uptime:
-----------
Router uptime is 9 hours, 14 minutes
System returned to ROM by bus error at PC 0x621E0668, address
0x18680DD8 at 22:37:34 MET Tue May 22 2012
System restarted at 22:40:33 MET Tue May 22 2012
System image file is "disk2:c7200-adventerprisek9-mz.124-15.T13.bin"
NPE-G1:
------------
GigabitEthernet0/1 is up, line protocol is up
Hardware is BCM1250 Internal MAC, address is 0006.52f4.d81b (bia
0006.52f4.d81b)
Internet address is x.x.x.x/28
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, link type is autonegotiation, media type is SX
output flow-control is XON, input flow-control is XON
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/1321/1 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 4264000 bits/sec, 871 packets/sec
5 minute output rate 5859000 bits/sec, 1597 packets/sec
27479327 packets input, 3434822229 bytes, 0 no buffer
Received 941 broadcasts, 0 runts, 0 giants, 0 throttles
989 input errors, 0 CRC, 0 frame, 989 overrun, 0 ignored
0 watchdog, 17119 multicast, 0 pause input
0 input packets with dribble condition detected
43616309 packets output, 2243854018 bytes, 0 underruns
5 output errors, 0 collisions, 4 interface resets
561 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
5 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Catalyst:
--------------
GigabitEthernet0/23 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 04fe.7f65.2197 (bia 04fe.7f65.2197)
Description: Cisco7204VXR
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 1000Mb/s, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:01, 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 5582000 bits/sec, 1596 packets/sec
5 minute output rate 5445000 bits/sec, 1002 packets/sec
160765357185 packets input, 75815081907836 bytes, 0 no buffer
Received 580911 broadcasts (468086 multicasts)
0 runts, 0 giants, 0 throttles
5 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 468086 multicast, 343548 pause input
0 input packets with dribble condition detected
116641123524 packets output, 71833102673211 bytes, 0 underruns
0 output errors, 0 collisions, 0 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 last uptime was nearly 70 days and input errors round about 96k.
Does anyone have an explanation for that?
Thanks
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