[c-nsp] (no subject)

[Muhammad Farooq]

Hi,

we are having packet drops issue due to rate limit on fastethernet of 3845 router. We are using dot1q on that interface. If we remove rate-limit then packet drop issue solves. Please note that with increase in rate limit packet drop interval also increases and it make a pattern. Output of show interface is pasted below. Running IOS of router is c3845-advipservicesk9-mz.123-14.T7.bin and interface utilization is not more that 35%

interface FastEthernet3/0
no ip address
load-interval 30
duplex full
speed 100


sh interfaces fastEthernet 3/0
FastEthernet3/0 is up, line protocol is up
Hardware is AmdFE, address is 001b.0c2a.1ba1 (bia 001b.0c2a.1ba1)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 81/255, rxload 23/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, 100BaseTX/FX
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: 0/75/0/0 (size/max/drops/flushes); Total output drops: 2975550
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 9021000 bits/sec, 3533 packets/sec
30 second output rate 32156000 bits/sec, 4109 packets/sec
1330094782 packets input, 2898978448 bytes
Received 2829907 broadcasts, 0 runts, 0 giants, 0 throttles
1 input errors, 0 CRC, 0 frame, 1 overrun, 0 ignored
0 watchdog
0 input packets with dribble condition detected
1708820647 packets output, 2432520678 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out


Please help me out to diagnose and fix this issue. Thanks in advance.


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