[c-nsp] 7500 Vip4-80 High CPU
Simon Allard
simon.allard at maxnet.co.nz
Sun Oct 1 17:46:01 EDT 2006
Hi Rodney
br01.akl1#show int Gi5/0/0 stats
GigabitEthernet5/0/0
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 5989909 585267414 5538005 572532119
Route cache 53770 4796172 53766 4795924
Distributed cache 383696622 2521463165 3701848652 3595546145
Total 389740301 3111526751 3707440423 4172874188
br01.akl1#show int Gi5/0/0 stats
GigabitEthernet5/0/0
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 5989944 585271339 5538045 572537241
Route cache 53770 4796172 53766 4795924
Distributed cache 383696622 2521463165 3701848652 3595546145
Total 389740336 3111530676 3707440463 4172879310
br01.akl1#show int Gi5/0/0 stats
GigabitEthernet5/0/0
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 5989968 585278912 5538073 572540333
Route cache 53770 4796172 53766 4795924
Distributed cache 383842082 2590191766 3701887902 3607861065
Total 389885820 3180266850 3707479741 4185197322
br01.akl1#
The Gi5/0/0 interface goes into the core network, the rest of the interfaces
are linked to upstream providers. So any traffic going into the Gi5/0/0
could end up going out any of the interfaces.
-----Original Message-----
From: Rodney Dunn [mailto:rodunn at cisco.com]
Sent: Friday, 29 September 2006 11:36 p.m.
To: Simon Allard
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] 7500 Vip4-80 High CPU
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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