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Странный пинг до 3550

Есть Cisco 3550-48.

На нем терминируется с 10-к вланов (в среднем по 64 адреса).

OSPF.

В общем-то больше ничего нет.

 

Вот пинг до него с компа в этой же подсети подключенный напрямую :

 

PING hostA-3550 (10.0.1.254) 56(84) bytes of data.
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=1 ttl=255 time=71.2 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=2 ttl=255 time=1.15 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=3 ttl=255 time=9.45 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=4 ttl=255 time=5.80 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=5 ttl=255 time=8.58 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=6 ttl=255 time=0.583 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=7 ttl=255 time=0.583 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=8 ttl=255 time=217 ms   ****
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=9 ttl=255 time=2.56 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=10 ttl=255 time=1.68 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=11 ttl=255 time=1.16 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=12 ttl=255 time=8.61 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=13 ttl=255 time=13.5 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=14 ttl=255 time=0.909 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=15 ttl=255 time=365 ms ****
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=16 ttl=255 time=9.80 ms         
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=17 ttl=255 time=1.80 ms         
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=18 ttl=255 time=0.680 ms         
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=19 ttl=255 time=0.622 ms         
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=20 ttl=255 time=150 ms ****
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=21 ttl=255 time=4.39 ms         
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=22 ttl=255 time=0.578 ms         
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=23 ttl=255 time=0.691 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=24 ttl=255 time=9.43 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=25 ttl=255 time=0.650 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=26 ttl=255 time=0.674 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=27 ttl=255 time=310 ms ****
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=28 ttl=255 time=0.749 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=29 ttl=255 time=0.657 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=30 ttl=255 time=1.72 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=31 ttl=255 time=0.616 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=32 ttl=255 time=84.2 ms ****
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=33 ttl=255 time=3.71 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=34 ttl=255 time=0.805 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=35 ttl=255 time=0.715 ms
64 bytes from hostA-3550 (10.0.1.254): icmp_seq=36 ttl=255 time=8.75 ms

 

и такие циклы (каждый 5-7 пинг большой) повторяются постоянно.

 

загрузка :

 

#sh proce cpu

CPU utilization for five seconds: 29%/7%; one minute: 24%; five minutes: 25%
PID  Runtime(ms)  Invoked  uSecs    5Sec   1Min   5Min TTY Process 
   1        9888    735461     13   0.00%  0.00%  0.00%   0 Load Meter       
   2     2515464   8036170    313   0.00%  0.00%  0.00%   0 OSPF Hello       
   3     3359232    499884   6720   0.00%  0.09%  0.06%   0 Check heaps      
   4           0         1      0   0.00%  0.00%  0.00%   0 Chunk Manager    
   5     2074064   9866849    210   0.00%  0.05%  0.06%   0 Pool Manager     
   6           0         2      0   0.00%  0.00%  0.00%   0 Timers           
   7         400        41   9756   0.00%  0.00%  0.00%   0 Entity MIB API   
   8      217208    735199    295   0.00%  0.00%  0.00%   0 HC Counter Timer 
   9    14257028  23969295    594   0.15%  0.12%  0.15%   0 ARP Input        
  10      545612  18084573     30   0.00%  0.02%  0.00%   0 Net Input        
  11           0         1      0   0.00%  0.00%  0.00%   0 Critical Bkgnd   
  12      333276   2475667    134   0.00%  0.00%  0.00%   0 Net Background   
  13        2256     41184     54   0.00%  0.00%  0.00%   0 Logger           
  14       57608   3112576     18   0.00%  0.00%  0.00%   0 TTY Background   
  15      220312   3112597     70   0.00%  0.00%  0.00%   0 Per-Second Jobs  
  16           0         4      0   0.00%  0.00%  0.00%   0 Vegas Storm Cont 
  17     1266924  78743829     16   0.07%  0.02%  0.01%   0 Vegas LED Proces 
  18           0         1      0   0.00%  0.00%  0.00%   0 SCQ_PROCESS      
  19        1616      1254   1288   0.00%  0.00%  0.00%   0 RAM Access       
  20      579788  48179550     12   0.00%  0.01%  0.00%   0 SW Frame Ager    
  21      324472    735461    441   0.07%  0.00%  0.00%   0 Compute load avg 
  22      259300     61658   4205   0.00%  0.00%  0.00%   0 Per-minute Jobs  
  23       31564   6224948      5   0.00%  0.00%  0.00%   0 L2TM Process     
  24     2193512   9330374    235   0.00%  0.06%  0.07%   0 Vegas Statistics 
  25       64076   6224947     10   0.00%  0.00%  0.00%   0 L3TM             
  26     3078332  43572513     70   0.00%  0.32%  0.96%   0 HMATM Learn proc 
  27       85792   3112581     27   0.00%  0.00%  0.00%   0 HMATM Age proces 
  28        3152      7109    443   0.00%  0.00%  0.00%   0 VL2MM            
  29       60660   3113961     19   0.00%  0.00%  0.00%   0 L3MD             
  30     4790264  10892427    439   0.15%  0.09%  0.08%   0 L3MD_STAT        
  31           0         1      0   0.00%  0.00%  0.00%   0 Vegas Bridging   
  32      238548  41572409      5   0.00%  0.00%  0.00%   0 VegasPM          
  33     5615084  50216371    111   0.23%  0.19%  0.18%   0 VUR_MGR bg proce 
  34      821484   1585617    518   0.00%  0.02%  0.00%   0 CDP Protocol     
  35     9230776  29314401    314   0.38%  0.14%  0.12%   0 IP Input         
  36      297136   2443365    121   0.00%  0.01%  0.00%   0 DTP Protocol     
  37          40       267    149   0.00%  0.00%  0.00%   0 dot1x            
  38         968    368234      2   0.00%  0.00%  0.00%   0 EtherChnl        
  39       23432    196212    119   0.00%  0.00%  0.00%   0 VLAN Manager     
  40    25374088   3112579   8152   0.61%  0.68%  0.69%   0 PI MATM Aging Pr 
  41       94728   4229980     22   0.00%  0.00%  0.00%   0 UDLD             
  42       15364     67013    229   0.00%  0.00%  0.00%   0 DHCPD Receive    
  43           0         1      0   0.00%  0.00%  0.00%   0 HTTP Timer       
  44         452       729    620   0.00%  0.00%  0.00%   0 RARP Input       
  45          56      1787     31   0.00%  0.00%  0.00%   0 TCP Timer        
  46          64       159    402   0.00%  0.00%  0.00%   0 TCP Protocols    
  47           0         1      0   0.00%  0.00%  0.00%   0 Socket Timers    
  48         192     61707      3   0.00%  0.00%  0.00%   0 pSecureProcess   
  49        3292      3054   1077   0.00%  0.00%  0.00%   0 L2MM             
  50      221936    786076    282   0.00%  0.00%  0.00%   0 MRD              
  51       22760    234186     97   0.00%  0.00%  0.00%   0 IGMPSN           
  52         144     46263      3   0.00%  0.00%  0.00%   0 Cluster L2       
  53        2380    368233      6   0.00%  0.00%  0.00%   0 Cluster RARP     
  54      106644   1310971     81   0.00%  0.00%  0.00%   0 Cluster Base     
  55         300     61658      4   0.00%  0.00%  0.00%   0 IP Cache Ager    
  56       34232     61948    552   0.00%  0.00%  0.00%   0 Adj Manager      
  26     3078332  43572513     70   0.00%  0.32%  0.96%   0 HMATM Learn proc 
  27       85792   3112581     27   0.00%  0.00%  0.00%   0 HMATM Age proces 
  28        3152      7109    443   0.00%  0.00%  0.00%   0 VL2MM            
  29       60660   3113961     19   0.00%  0.00%  0.00%   0 L3MD             
  30     4790264  10892427    439   0.15%  0.09%  0.08%   0 L3MD_STAT        
  31           0         1      0   0.00%  0.00%  0.00%   0 Vegas Bridging   
  32      238548  41572409      5   0.00%  0.00%  0.00%   0 VegasPM          
  33     5615084  50216371    111   0.23%  0.19%  0.18%   0 VUR_MGR bg proce 
  34      821484   1585617    518   0.00%  0.02%  0.00%   0 CDP Protocol     
  35     9230776  29314401    314   0.38%  0.14%  0.12%   0 IP Input         
  36      297136   2443365    121   0.00%  0.01%  0.00%   0 DTP Protocol     
  37          40       267    149   0.00%  0.00%  0.00%   0 dot1x            
  38         968    368234      2   0.00%  0.00%  0.00%   0 EtherChnl        
  39       23432    196212    119   0.00%  0.00%  0.00%   0 VLAN Manager     
  40    25374088   3112579   8152   0.61%  0.68%  0.69%   0 PI MATM Aging Pr 
  41       94728   4229980     22   0.00%  0.00%  0.00%   0 UDLD             
  42       15364     67013    229   0.00%  0.00%  0.00%   0 DHCPD Receive    
  43           0         1      0   0.00%  0.00%  0.00%   0 HTTP Timer       
  44         452       729    620   0.00%  0.00%  0.00%   0 RARP Input       
  45          56      1787     31   0.00%  0.00%  0.00%   0 TCP Timer        
  46          64       159    402   0.00%  0.00%  0.00%   0 TCP Protocols    
  47           0         1      0   0.00%  0.00%  0.00%   0 Socket Timers    
  48         192     61707      3   0.00%  0.00%  0.00%   0 pSecureProcess   
  49        3292      3054   1077   0.00%  0.00%  0.00%   0 L2MM             
  50      221936    786076    282   0.00%  0.00%  0.00%   0 MRD              
  51       22760    234186     97   0.00%  0.00%  0.00%   0 IGMPSN           
  52         144     46263      3   0.00%  0.00%  0.00%   0 Cluster L2       
  53        2380    368233      6   0.00%  0.00%  0.00%   0 Cluster RARP     
  54      106644   1310971     81   0.00%  0.00%  0.00%   0 Cluster Base     
  55         300     61658      4   0.00%  0.00%  0.00%   0 IP Cache Ager    
  56       34232     61948    552   0.00%  0.00%  0.00%   0 Adj Manager      
  57          32       184    173   0.15%  0.01%  0.00%   1 Virtual Exec     
  58           0        10      0   0.00%  0.00%  0.00%   0 Router Autoconf  
  59           0         1      0   0.00%  0.00%  0.00%   0 AggMgr Process   
  60      113044  21409720      5   0.00%  0.00%  0.00%   0 PM Callback      
  61       10856     36782    295   0.00%  0.00%  0.00%   0 VFM Queue Proces 
  62          56        46   1217   0.00%  0.00%  0.00%   0 VFM/VQM Merge Pr 
  63          56        26   2153   0.00%  0.00%  0.00%   0 VFM Deferred Upd 
  64          16        54    296   0.00%  0.00%  0.00%   0 AAA Accounting   
  65           0       723      0   0.00%  0.00%  0.00%   0 VTP Trap Process 
  66           0         2      0   0.00%  0.00%  0.00%   0 STP STACK TOPOLO 
  67           0         2      0   0.00%  0.00%  0.00%   0 STP FAST TRANSIT 
  68           0         1      0   0.00%  0.00%  0.00%   0 Vegas DHCP glean 
  69       80468     74666   1077   0.00%  0.00%  0.00%   0 IP Background    
  70     3925904   3291149   1192   0.00%  0.12%  0.14%   0 CEF process      
  71           0         2      0   0.00%  0.00%  0.00%   0 IP NAT Ager      
  72        2608    128212     20   0.00%  0.00%  0.00%   0 CEF Scanner      
  73   590073908   5714466 103260  12.10% 13.25% 13.26%   0 Spanning Tree ****    
  74           0         1      0   0.00%  0.00%  0.00%   0 SNMP Timers      
  75    14041000  16074359    873   1.06%  0.63%  0.49%   0 IP SNMP          
  76         176       463    380   0.00%  0.00%  0.00%   0 SNMP Traps       
  77       26484   3756495      7   0.00%  0.00%  0.00%   0 NTP              
  78          60      4537     13   0.00%  0.00%  0.00%   0 TACACS+          
  79         272     30846      8   0.00%  0.00%  0.00%   0 DHCPD Timer      
  80        2220   1048171      2   0.00%  0.00%  0.00%   0 DHCPD Database   
  81      306648   5214075     58   0.00%  0.00%  0.00%   0 OSPF Router      
  82       24816      2468  10055   0.00%  0.00%  0.00%   0 SpanTree Helper

 

**** звездочки стоят для выделения

 

Отключить к сожалению нет возможности, ибо критичен для работы.

 

Думал что связанно с загрузкой Spanning Tree - выставлял spantree portfast и spantree bpdufilter на все интерфейсы (ну там где не надо) - нагрузка не уменшилась, большие пинги не пропали.

 

#sh ip traffic
IP statistics:
  Rcvd:  3203824540 total, 24142522 local destination
         0 format errors, 0 checksum errors, 5824843 bad hop count
         10211 unknown protocol, 0 not a gateway
         0 security failures, 0 bad options, 893673 with options
  Opts:  1 end, 1 nop, 0 basic security, 0 loose source route
         0 timestamp, 0 extended security, 2 record route
         0 stream ID, 0 strict source route, 893671 alert, 0 cipso
         0 other
  Frags: 480 reassembled, 8 timeouts, 156 couldn't reassemble
         4026 fragmented, 0 couldn't fragment
  Bcast: 5672709 received, 468 sent
  Mcast: 4438267 received, 38392076 sent
  Sent:  64113522 generated, 2885729684 forwarded
  Drop:  11796474 encapsulation failed, 20 unresolved, 381654353 no adjacency
         11834 no route, 0 unicast RPF, 117836 forced drop

ICMP statistics:
  Rcvd: 2 format errors, 29 checksum errors, 206 redirects, 4913 unreachable
        1739535 echo, 1212 echo reply, 0 mask requests, 0 mask replies, 11 quench
        0 parameter, 0 timestamp, 0 info request, 0 other
        0 irdp solicitations, 0 irdp advertisements
  Sent: 5152448 redirects, 291852 unreachable, 1080 echo, 1739535 echo reply
        0 mask requests, 0 mask replies, 0 quench, 0 timestamp
        0 info reply, 5432940 time exceeded, 0 parameter problem
        0 irdp solicitations, 0 irdp advertisements

UDP statistics:
  Rcvd: 11086526 total, 58 checksum errors, 1009177 no port
  Sent: 9950646 total, 0 forwarded broadcasts

TCP statistics:
  Rcvd: 6835565 total, 19798 checksum errors, 35772 no port
  Sent: 3119763 total

IGRP statistics:
  Rcvd: 0 total, 0 checksum errors
  Sent: 0 total

IP-IGRP2 statistics:
  Rcvd: 0 total
  Sent: 0 total

PIMv2 statistics: Sent/Received
  Total: 0/0, 0 checksum errors, 0 format errors
  Registers: 0/0, Register Stops: 0/0,  Hellos: 0/0
  Join/Prunes: 0/0, Asserts: 0/0, grafts: 0/0
  Bootstraps: 0/0, Candidate_RP_Advertisements: 0/0

IGMP statistics: Sent/Received
  Total: 0/0, Format errors: 0/0, Checksum errors: 0/0
  Host Queries: 0/0, Host Reports: 0/0, Host Leaves: 0/0 
  DVMRP: 0/0, PIM: 0/0

OSPF statistics:
  Rcvd: 5809081 total, 0 checksum errors
      2238472 hello, 175 database desc, 31 link state req
      275618 link state updates, 1093374 link state acks
  Sent: 38425322 total

ARP statistics:
  Rcvd: 6476939 requests, 89733 replies, 731 reverse, 0 other
  Sent: 3661198 requests, 5273380 replies (1664 proxy), 0 reverse

 

#sh version
Cisco Internetwork Operating System Software 
IOS (tm) C3550 Software (C3550-I5Q3L2-M), Version 12.1(9)EA1c, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Tue 28-May-02 10:31 by antonino
Image text-base: 0x00003000, data-base: 0x00685778

ROM: Bootstrap program is C3550 boot loader

hostA-3550 uptime is 6 weeks, 20 hours, 36 minutes
System returned to ROM by power-on
System restarted at 17:46:48 Tue Jun 2 2009
System image file is "flash:c3550-i5q3l2-mz.121-9.EA1c/c3550-i5q3l2-mz.121-9.EA1c.bin"

cisco WS-C3550-48 (PowerPC) processor (revision Q0) with 65526K/8192K bytes of memory.
Processor board ID CAT0902R0FN
Last reset from warm-reset
Bridging software.
Running Layer2/3 Switching Image

Ethernet-controller 1 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 3 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 4 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 5 has 1 Gigabit Ethernet/IEEE 802.3 interface

Ethernet-controller 6 has 1 Gigabit Ethernet/IEEE 802.3 interface

48 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)

The password-recovery mechanism is enabled.
384K bytes of flash-simulated non-volatile configuration memory.
Motherboard assembly number: 73-5701-10
Power supply part number: 34-0967-02
Motherboard serial number: CAT0903016Q
Power supply serial number: LIT0852070A
Model revision number: Q0
Motherboard revision number: A0
Model number: WS-C3550-48-SMI
System serial number: CAT0902R0FN

Edited by elcambino

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Да и процессоры у свитчей слабые. То, что он плохо пингуется совершенно не значит, что он трафик плохо свитчует...

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13.26% на спаннинг три означают, что где-то в сети его колбасит.

 

Покажите общественности вывод команды sh spanning-tree, а сами попробуйте подебажить, если умеете..

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А с чего вы взяли, что роутер на хопе обязан на пинги исправно отвечать? У него задача другая совсем!

 

Вот две точки, подключенных к свитчу друг-друга пингуют нормально?

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sh logg для начала.

Потом debug spanning-tree events и debug spanning-tree bpdu receive. И софт залить распоследний.

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Обычный такой себе пинг....

[root@lds ~]# ping 10.13.43.254
PING 10.13.43.254 (10.13.43.254) 56(84) bytes of data.
64 bytes from 10.13.43.254: icmp_seq=1 ttl=253 time=429 ms
64 bytes from 10.13.43.254: icmp_seq=2 ttl=253 time=5.82 ms
64 bytes from 10.13.43.254: icmp_seq=3 ttl=253 time=5.74 ms
64 bytes from 10.13.43.254: icmp_seq=4 ttl=253 time=450 ms
64 bytes from 10.13.43.254: icmp_seq=5 ttl=253 time=5.78 ms
64 bytes from 10.13.43.254: icmp_seq=6 ttl=253 time=6.12 ms
64 bytes from 10.13.43.254: icmp_seq=7 ttl=253 time=163 ms
64 bytes from 10.13.43.254: icmp_seq=8 ttl=253 time=5.68 ms
64 bytes from 10.13.43.254: icmp_seq=9 ttl=253 time=5.76 ms
64 bytes from 10.13.43.254: icmp_seq=10 ttl=253 time=210 ms
64 bytes from 10.13.43.254: icmp_seq=11 ttl=253 time=5.72 ms
64 bytes from 10.13.43.254: icmp_seq=12 ttl=253 time=5.79 ms

 

Это на DES-2108...

Проц слабенький, вот он на пинги и не успевает отвечать....

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