[c-nsp] 7500 Vip4-80 High CPU

Rodney Dunn rodunn at cisco.com
Fri Sep 29 07:36:23 EDT 2006


Post 'sh int stat' and also what interface is this
25 kpps going out of?

On Fri, Sep 29, 2006 at 10:27:38AM +1200, Simon Allard wrote:
> Hi Guys
> 
> I am having trouble with high CPU load on a 7500 cards. It would seem that most of the traffic is being processed switched and I am not getting close to the designed thruput of the card. The interface is a GEIP+, but the other cards in the router seem quite busy too.
> 
> I am running quite an old IOS version, so I am going to investigate upgrading, but I can?t see any bugs in the bugtool kit which would cause this? Can anyone see anything that I have missed or being stupid about?
> 
> 
> 
> cisco RSP16 (R7000A) processor with 524288K/8216K bytes of memory.
> R7000 CPU at 400Mhz, Implementation 39, Rev 3.3, 256KB L2, 2048KB L3 Cache
> Last reset from power-on
> G.703/E1 software, Version 1.0.
> G.703/JT2 software, Version 1.0.
> X.25 software, Version 3.0.0.
> Chassis Interface.
> 3 VIP2 R5K controllers (4 FastEthernet).
> 2 VIP4-80 RM7000 controllers (1 GigabitEthernet)(1 ATM).
> 4 FastEthernet/IEEE 802.3 interface(s)
> 1 GigabitEthernet/IEEE 802.3 interface(s)
> 1 ATM network interface(s)
> 2043K bytes of non-volatile configuration memory.
> 
> Slave in slot 3 is running Cisco Internetwork Operating System Software
> IOS (tm) RSP Software (RSP-PV-M), Version 12.0(26)S2, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
> Technical Support: http://www.cisco.com/techsupport
> Copyright (c) 1986-2004 by cisco Systems, Inc.
> Compiled Fri 09-Apr-04 00:42 by nmasa
> Slave: Loaded from system
> Slave: cisco RSP16 (R7000A) processor with 524288K bytes of memory.
> 
> 
> 
> As you can see most of the IP Process is being switched ?
> 
> br01#show int Gi5/0/0 switching
> GigabitEthernet5/0/0 PHYSICAL Link to CSW01.AKL1 Port Gi5/1
>           Throttle count          0
>         Drops         RP          0         SP          0
>   SPD Flushes       Fast          0        SSE          0
>   SPD Aggress       Fast          0
>  SPD Priority     Inputs     407558      Drops          0
> 
>      Protocol       Path    Pkts In   Chars In   Pkts Out  Chars Out
>         Other    Process          0          0      10704     642240
>             Cache misses          0
>                     Fast          0          0          0          0
>                Auton/SSE          0          0          0          0
>            IP    Process    1702450  141571436    1620402  167926864
>             Cache misses          0
>                     Fast      52272    4662854      52272    4662854
>                Auton/SSE 1648455781 4093669183 1338456547 3750446903
>           ARP    Process      56485    3364600         96       5760
>             Cache misses          0
>                     Fast          0          0          0          0
>                Auton/SSE          0          0          0          0
>           CDP    Process       3572    1469878       3569    1429388
>             Cache misses          0
>                     Fast          0          0          0          0
>                Auton/SSE          0          0          0          0
> 
> 
> GigabitEthernet5/0/0 is up, line protocol is up
>   Hardware is cyBus GigabitEthernet Interface, address is 0003.fefe.30a0 (bia 0003.fefe.30a0)
>   Description: PHYSICAL Link to CSW01.AKL1 Port Gi5/1
>   MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, rely 255/255, load 13/255
>   Encapsulation ARPA, loopback not set
>   Keepalive set (10 sec)
>   Full-duplex mode, link type is autonegotiation, media type is SX
>   output flow-control is on, input flow-control is on
>   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: 1/75/0/0 (size/max/drops/flushes); Total output drops: 0
>   Queueing strategy: fifo
>   Output queue: 0/40 (size/max)
>   30 second input rate 62502000 bits/sec, 26801 packets/sec
>   30 second output rate 52595000 bits/sec, 24225 packets/sec
>      1656256438 packets input, 1680647044 bytes, 0 no buffer
>      Received 254446 broadcasts, 0 runts, 0 giants, 0 throttles
>      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>      0 watchdog, 0 multicast, 0 pause input
>      1345207990 packets output, 897043939 bytes, 0 underruns
>      0 output errors, 0 collisions, 3 interface resets
>      0 babbles, 0 late collision, 0 deferred
>      3 lost carrier, 0 no carrier, 0 pause output
>      0 output buffer failures, 0 output buffers swapped out
> 
> br01#if-con 5
> Console or Debug [C]:
> Entering CONSOLE for VIP4-80 RM7000 5
> Type "^C^C^C" or "if-quit" to end this session
> 
> 
> VIP-Slot5>show proc cpu sorted
> CPU utilization for five seconds: 80%/75%; one minute: 79%; five minutes: 79%
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>   24     4510412    536128       8412  3.43%  3.55%  3.58%   0 CEF LC IPC Backg
>   40     1328136   9635882        137  1.03%  1.04%  1.04%   0 IP Flow LC Backg
>    5      868036    972243        892  0.87%  0.79%  0.83%   0 Pool Manager
>    3          56        51       1098  0.00%  0.00%  0.00%   0 Exec
>    4      403752     22309      18098  0.00%  0.17%  0.17%   0 Check heaps
> 
> 
> 
> !
> interface GigabitEthernet5/0/0
>  description PHYSICAL Link to CSW01.AKL1 Port Gi5/1
>  no ip address
>  no ip redirects
>  no ip directed-broadcast
>  no ip proxy-arp
>  ip route-cache flow
>  load-interval 30
>  negotiation auto
> end
> !
> interface GigabitEthernet5/0/0.19
>  description LOGICAL Link to AR Network
>  encapsulation dot1Q 19
>  ip address 1.1.1.1 255.255.255.224
>  no ip directed-broadcast
> end
> 
> 
> GigabitEthernet5/0/0.19 is up, line protocol is up
>   Internet address is 1.1.1.1/27
>   Broadcast address is 255.255.255.255
>   Address determined by setup command
>   MTU is 1500 bytes
>   Helper address is not set
>   Directed broadcast forwarding is disabled
>   Multicast reserved groups joined: 224.0.0.5
>   Outgoing access list is not set
>   Inbound  access list is not set
>   Proxy ARP is enabled
>   Security level is default
>   Split horizon is enabled
>   ICMP redirects are always sent
>   ICMP unreachables are always sent
>   ICMP mask replies are never sent
>   IP fast switching is enabled
>   IP fast switching on the same interface is enabled
>   IP Flow switching is enabled
>   IP CEF switching is enabled
>   IP Distributed switching is enabled
>   IP Flow switching turbo vector
>   IP Flow CEF switching turbo vector
>   IP multicast fast switching is enabled
>   IP multicast distributed fast switching is disabled
>   IP route-cache flags are Fast, Flow cache, Distributed, CEF, Full Flow
>   Router Discovery is disabled
>   IP output packet accounting is disabled
>   IP access violation accounting is disabled
>   TCP/IP header compression is disabled
>   RTP/IP header compression is disabled
>   Probe proxy name replies are disabled
>   Policy routing is disabled
>   Network address translation is disabled
>   WCCP Redirect outbound is disabled
>   WCCP Redirect inbound is disabled
>   WCCP Redirect exclude is disabled
>   BGP Policy Mapping is disabled
> 
> 
> 
> 
> 
> Simon Allard 
> Maxnet - AS9889
>  
> P: +64 9 913 9997
> M: +64 21 622 717
> E: simon.allard at maxnet.co.nz
>  
>  
> 
> 
> 
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