Re: [nsp] Input queue drops on FastEthernet

From: richard bosire (rbosire@africaonline.co.ke)
Date: Sat Jun 15 2002 - 05:53:33 EDT


very minimal , i have also tried increasing the input queue depth ,
still no luck

gw1#show proc cpu
CPU utilization for five seconds: 3%/3%; one minute: 3%; five minutes: 3%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
  1 16 807276 0 0.00% 0.00% 0.00% 0 Load Meter
  2 256592 7321750 35 0.00% 0.00% 0.00% 0 OSPF Hello
  3 639000 410248 1557 0.00% 0.00% 0.00% 0 Check heaps
  4 0 1 0 0.00% 0.00% 0.00% 0 Chunk Manager
  5 160 3262 49 0.00% 0.00% 0.00% 0 Pool Manager
  6 0 2 0 0.00% 0.00% 0.00% 0 Timers
  .....

gw1#show proc cpu | inc ^PID|Input
 13 41864 420742 99 0.00% 0.00% 0.00% 0 ARP Input
 28 1459716 21301803 68 0.00% 0.01% 0.00% 0 IP Input
 33 0 2 0 0.00% 0.00% 0.00% 0 SSCOP Input
 37 0 2 0 0.00% 0.00% 0.00% 0 ILMI Input
 47 0 1 0 0.00% 0.00% 0.00% 0 Probe Input
 48 0 29 0 0.00% 0.00% 0.00% 0 RARP Input
 56 0 2 0 0.00% 0.00% 0.00% 0 Tag Input
 69 501652 46024781 10 0.00% 0.00% 0.00% 0 Net Input

Scott Weeks wrote:

>
>What does the CPU utilization look like when the throttles are increasing?
>
>scott
>
>
>
>
>On Fri, 14 Jun 2002, richard bosire wrote:
>
>: 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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