Getting High Bandwidth Utilization

Sep 18, 2011

I am working as net admin which is i need to monitoring and manage my workplace network( education center )I got a few question about network traffic flow. Here is the issued.I got high bandwidth utilization so high after office hours which is only on night. as we know, after office hours there is no person at the office but the traffic flow on bandwidth utilization is high.what are the possibilities of this issued?

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How To Measure Bandwidth Utilization

Feb 15, 2011

How to find bandwidth utlization and who consumed bandwidth lot.? Basically ,I would use speedtest.net for speedtest and will ask from ISP for bandwidth utilization.

Is there any way that to measure bandwidth utilization and who consumed lot based on IPaddress?

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What causes LMS 4.1 to have high memory utilization?

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Our Router  7606 is in a problem with high CPU Utilization. We are using one EBGP  and one IBGP session. We are also running OSPF with area 0 between two  IBGP router to exchange few local networks. When bandwidth cross 100 MB  than only CPU use become 100%. when bandwidth consumption is 80MB CPU  use become 80% end so on.

Out put is when bandwidth consumption is 34MB
 
CPU utilization for five seconds: 44%/43%; one minute: 42%; five minutes: 30%
PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process
  78          44        9625          4  0.39%  0.03%  0.00%   2 Virtual Exec
  13          40         375        106  0.07%  0.00%  0.00%   0 ARP Input
  30         116        1098        105  0.07%  0.01%  0.00%   0 IPC Seat Manager

[code]....

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Aug 10, 2011

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the show processe cpu history give: show version

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High cpu utilization on cisco 7206 vxr router.[code]                                    

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which services are causing this utilization. [code]

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I have Cisco 7613 on my edge(MPLS Backbone). CPU utilization is shooting to 100% at frequent intervals. When I tell vendors managing device they tell that it is happening due to one of my server(connected on Fast ethernet port of 100Mbps) generating heavy traffic. My questions are:

1. Can a router of 720Gbps capability be choked due to traffic generated by 100Mbps link?

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Nov 30, 2012

My router is running with BGP (One eBGP and One IBGP session). I have filterdown the BGP roting table by using prefix-List and default route to upstream router.But still found the CPU process is high (80%/80% with 60MB traffic).
 
Sh Proc CPU
------------------- 
CPU utilization for five seconds: 88%/88%; one minute: 87%; five minutes: 87%
PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process

[Code].....

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Mar 10, 2013

I have Active Standby ASA5550 setup with VPN premium license. A few days back we had a requirement of SSL VPN connection for and we got a temporary from Cisco for same, this license expired and the ASA reverted to it's original license. 3 4 days after this we saw a sudden increase in CPU utilization (upto 90% + -5%) on the ASA during production hours but were not able to figure out the reason, in order to restore the services we failovered the firewall to secondary and everything worked fine. We were suspecting one of the following but there were no logs for any of this
 
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Downgrading any license (for example, going from 10 contexts to 2 contexts).
 
# Note If  a temporary license expires, and the permanent license is a downgrade,  then you do not need to immediately reload the security appliance; the  next time you reload, the permanent license is restored.
  
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Since a couple of months, I have some CPU problem.
 
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cisco CISCO7603 (R7000) processor (revision 1.1) with 458752K/65536K bytes of memory.Processor board ID FOX090308DTR7000 CPU at 300Mhz, Implementation 0x27, Rev 3.3, 256KB L2, 1024KB L3 CacheLast reset from power-on5 Virtual Ethernet interfaces9 Gigabit Ethernet interfaces1915K bytes of non-volatile configuration memory.
 
65536K bytes of Flash internal SIMM (Sector size 512K)

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------------------ show process cpu ------------------ 
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[Code]......

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UK-DHC-Policy1#show buffersBuffer elements:     1118 in free list (1000 max allowed)     3539658545 hits, 0 misses, 1119 created
Public buffer pools:Small buffers, 104 bytes (total 50, permanent 50, peak 229 @

[Code].....

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I have a remote site customer with a Cisco ASA 5540 running SSLVPN (Anyconnect)(8.03). It currently only serves about 450 SSLVPN clients. Since last friday, they've seen the CPU utilization go up to high 90% while only serving 400+ remote users. I saw some high cpu utilization bugs, but none looked to be relevant. How I can find the root cause of the CPU high utilization?

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I am facing lots of issue with cisco 4507 switch recently.. Every alternate day, its CPU is getting utilized by 99% and network stopped working..finally it has to be restared.
 
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------------------ show process cpu ------------------
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PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process

[Code].....

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IOS version 8.0(4) 
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sh cpu usage

[Code]......

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Jun 25 16:23:44: %DOT11-6-DISASSOC: Interface Dot11Radio1, Deauthenticating Station a088.b405.7320
Jun 25 16:23:44: %DOT11-6-DISASSOC: Interface Dot11Radio1, Deauthenticating Station 0021.5dbf.a3da

[code].....
 
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[Code]....

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I am seeing high cpu utilization on 5520.
 
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