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cisco 2620 high HyBridge Input P  ...driving up cpu usage

Posted on 2005-05-16
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Medium Priority
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494 Views
Last Modified: 2008-01-09
Hello.  i have a major problem right now.  my cisco 2620 is showing this:

CPU utilization for five seconds: 51%/16%; one minute: 52%; five minutes: 51%

looks like this is the major issue:

105     1122888     88594      12674 31.33% 29.31% 28.11%   0 HyBridge Input P

can ANYONE help me solve this and prevent it?  this is on an ATM interface BVI1
i need to solve this quick becasue my dsl people are sluggish right now.

here's my running config:
Current configuration : 14123 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Cisco2620
!
boot system flash c2600-ds-mz.122-4.T7.bin
no logging buffered
no logging console
no logging monitor
enable password 7 031753021207244D4A
!
!
!
ip subnet-zero
!
!
ip name-server x.x.x.x
!
!
!
!        
!        
!        
!        
!        
!        
bridge irb
!        
!        
!        
vc-class atm light
!        
vc-class atm lite
  no ilmi manage
  encapsulation aal5snap
  transmit-priority 2
!        
vc-class atm silver
  no ilmi manage
  encapsulation aal5snap
  transmit-priority 2
!        
vc-class atm gold
  no ilmi manage
  encapsulation aal5snap
  transmit-priority 2
!        
vc-class atm platinum
  no ilmi manage
  encapsulation aal5snap
  transmit-priority 2
!        
interface FastEthernet0/0
 description connected to EthernetLAN
 ip address x.x.x.x 255.255.255.192 secondary
 ip address x.x.x.x 255.255.255.192
 ip access-group 101 in
 ip access-group 103 out
 speed auto
 half-duplex
 arp timeout 3600
!        
interface Serial0/0
 no ip address
 shutdown
!        
interface ATM1/0
 no ip address
 no atm ilmi-keepalive
 atm voice aal2 aggregate-svc upspeed-number 0
 no scrambling-payload
 hold-queue 150 in
!        
interface ATM1/0.1 multipoint
 class-int lite
 pvc 1/32
 !        
 pvc 1/38
 !        
pvc 1/46
 !        
 pvc 1/47
 !        
 pvc 1/50
 !        
 pvc 1/51
 !        
 pvc 1/52
 !        
 pvc 1/53
 !        
 pvc 1/54
 !        
 pvc 1/57
 !        
 pvc 1/58
 !        
 pvc 1/59
 !        
 pvc 1/61
 !        
 pvc 1/62
 !        
 pvc 1/63
 !        
 pvc 1/64
 !        
 pvc 1/65
 !        
 pvc 1/66
 !        
 pvc 1/68
 !        
 pvc 1/71
 !        
 pvc 1/73
 !        
 pvc 1/74
 !        
 pvc 1/75
 !        
 pvc 1/76
 !        
 pvc 1/77
!        
 pvc 1/78
 !        
 pvc 1/80
 !        
 pvc 1/81
 !        
 pvc 1/82
 !        
 pvc 1/83
 !        
 pvc 1/85
 !        
 pvc 1/86
 !        
 pvc 1/87
 !        
 pvc 1/89
 !        
 pvc 1/90
 !        
 pvc 1/91
 !        
 pvc 1/92
 !        
 pvc 1/93
 !        
 pvc 1/94
 !        
 pvc 1/95
 !        
 pvc 1/96
 !        
 pvc 1/98
 !        
 pvc 1/99
 !        
 pvc 1/100
 !        
 pvc 1/101
 !        
 pvc 1/102
 !        
 pvc 1/103
 !        
 pvc 1/105
!        
 pvc 1/106
 !        
 bridge-group 1
!        
interface ATM1/0.2 multipoint
 class-int silver
 pvc 1/39
 !        
 pvc 1/40
 !        
 pvc 1/42
 !        
 pvc 1/44
 !        
 pvc 1/48
 !        
 pvc 1/55
 !        
 pvc 1/56
 !        
 pvc 1/60
 !        
 pvc 1/67
 !        
 pvc 1/69
 !        
 pvc 1/70
 !        
 pvc 1/72
 !        
 pvc 1/79
 !        
 pvc 1/88
 !        
 pvc 1/97
 !        
 pvc 1/104
 !        
 bridge-group 1
!        
interface ATM1/0.3 multipoint
 class-int gold
 pvc 1/45
 !        
 pvc 1/107
!        
 pvc 1/108
 !        
 pvc 1/109
 !        
 pvc 1/110
 !        
 pvc 1/111
 !        
 pvc 1/112
 !        
 pvc 1/113
 !        
 pvc 1/114
 !        
 bridge-group 1
!        
interface ATM1/0.4 multipoint
 class-int platinum
 pvc 1/33
 !        
 pvc 1/34
 !        
 pvc 1/35
 !        
 pvc 1/36
 !        
 pvc 1/37
 !        
 pvc 1/41
 !        
 pvc 1/43
 !        
 pvc 1/49
 !        
 bridge-group 1
!        
interface ATM1/1
 no ip address
 shutdown
 no atm ilmi-keepalive
 atm voice aal2 aggregate-svc upspeed-number 0
 no scrambling-payload
!        
interface ATM1/2
 no ip address
shutdown
 no atm ilmi-keepalive
 atm voice aal2 aggregate-svc upspeed-number 0
 no scrambling-payload
!        
interface ATM1/3
 no ip address
 shutdown
 no atm ilmi-keepalive
 atm voice aal2 aggregate-svc upspeed-number 0
 no scrambling-payload
!        
interface ATM1/IMA0
 no ip address
 no atm ilmi-keepalive
 atm voice aal2 aggregate-svc upspeed-number 0
!        
interface BVI1
 description Shared subinterface for DSL customers
 ip address x.x.x.x 255.255.255.252 secondary
 ip address x.x.x.x 255.255.255.192 secondary
 ip address x.x.x.x 255.255.255.0 secondary
 ip address x.x.x.x 255.255.255.192
 no ip redirects
 no ip proxy-arp
 no ip mroute-cache
 no arp arpa
!        
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
ip route 0.0.0.0 0.0.0.0 x.x.x.x
no ip http server
ip pim bidir-enable
!        
logging facility syslog
logging x.x.x.x

0
Comment
Question by:linuxrox
  • 4
  • 3
7 Comments
 

Author Comment

by:linuxrox
ID: 14012774
sheesh...i narrowed the issue down to ONE stupid dsl subscriber.  took them out of the lineup..benched em' let em sit the pine....now cpu usage is ok again...good grief!
0
 
LVL 6

Expert Comment

by:magicomminc
ID: 14014342
why not enable ip cef?
0
 

Author Comment

by:linuxrox
ID: 14014584
what is ip cef?
0
What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

 
LVL 6

Accepted Solution

by:
magicomminc earned 2000 total points
ID: 14014657
0
 

Author Comment

by:linuxrox
ID: 14018211
that looks very interesting.  do you know if i can impliment this in a running environment without affecting connectivity of my dsl subscribers?  have you set this up?
0
 

Author Comment

by:linuxrox
ID: 14018322
now i have the cef process taking up this:

86       63804       922      69201  6.71%  7.22%  6.67%   0 CEF process

cpu usage stays around here:

CPU utilization for five seconds: 37%/19%; one minute: 27%; five minutes: 28%

is this normal?
0
 
LVL 6

Expert Comment

by:magicomminc
ID: 14020219
I would say it's normal, it also depend on the traffic level.
you can compare your "sh proc cpu" with/without ip cef and see the differece.
0

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