[nsp] Input queue drops on FastEthernet

From: richard bosire (rbosire@africaonline.co.ke)
Date: Fri Jun 14 2002 - 04:15:53 EDT


Hello

My 7206 VXR [ NPE-400] seems to be accting up

I am getting input queue drops on a Fasthernet , I have checked all
that has been recommended on CCO but I can
pin this down., what could be the issue here?

cheers

./bosire

gw1#show interfaces fastEthernet 4/1 switching
FastEthernet4/1
          Throttle count 131404
        Drops RP 82556 SP 0
  SPD Flushes Fast 0 SSE 0
  SPD Aggress Fast 0
 SPD Priority Inputs 149 Drops 0

     Protocol Path Pkts In Chars In Pkts Out Chars Out
        Other Process 830 298404 4731 283860
            Cache misses 0
                    Fast 0 0 0 0
               Auton/SSE 0 0 0 0
           IP Process 148684 16854547 141635 16776624
            Cache misses 128893
                    Fast 18279868 4043337543 26184461 4143880632
               Auton/SSE 0 0 0 0
          ARP Process 2521 151260 39 2340
            Cache misses 0
                    Fast 0 0 0 0
               Auton/SSE 0 0 0 0
gw1#

gw1#show int fa4/1
FastEthernet4/1 is up, line protocol is up
  Hardware is i82543 (Livengood), address is 0008.e260.0871 (bia
0008.e260.0871)
  Internet address is 195.xx.xx.xx/26
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 8/255
  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 00:28:30
  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 0/75, 67402 drops
  5 minute input rate 3041000 bits/sec, 889 packets/sec
  5 minute output rate 3180000 bits/sec, 1271 packets/sec
     1524294 packets input, 652061959 bytes
     Received 0 broadcasts, 0 runts, 0 giants, 106344* throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast
     0 input packets with dribble condition detected
     2079776 packets output, 657671255 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 output buffer failures, 0 output buffers swapped out

isco Internetwork Operating System Software
IOS (tm) 7200 Software (C7200-K3P-M), Version 12.0(16)S8, EARLY
DEPLOYMENT RELEA
SE SOFTWARE (fc2)
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Sat 02-Feb-02 23:56 by dchih
Image text-base: 0x60008948, data-base: 0x60F48000

ROM: System Bootstrap, Version 12.1(20000710:044039) [nlaw-121E_npeb
117], DEVEL
OPMENT SOFTWARE
BOOTFLASH: 7200 Software (C7200-KBOOT-M), Version 12.1(8a)E, EARLY
DEPLOYMENT RE
LEASE SOFTWARE (fc1)

gw1 uptime is 6 weeks, 3 days, 15 hours, 40 minutes
System returned to ROM by reload at 19:35:43 Nairobi Mon Apr 29 2002
System restarted at 19:36:38 Nairobi Mon Apr 29 2002
System image file is "disk1:c7200-k3p-mz.120-16.S8.bin"

cisco 7206VXR (NPE400) processor with 114688K/16384K bytes of memory.
R7000 CPU at 350Mhz, Implementation 39, Rev 3.2, 256KB L2, 4096KB L3 Cache
6 slot VXR midplane, Version 2.5

Last reset from power-on
Channelized E1, Version 1.0.
X.25 software, Version 3.0.0.
Primary Rate ISDN software, Version 1.1.
6 FastEthernet/IEEE 802.3 interface(s)
131 Serial network interface(s)
16 Channelized E1/PRI port(s)
125K bytes of non-volatile configuration memory.

125440K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes).
8192K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x102



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