Cisco Firewall :: Memory Utilization On 5510?

Nov 21, 2012

Just want to check with you about memory utilization on the Asa 5510 ..
 
Free memory: 19%
Used Memory: 81%
 
Is this normal? Because we hade a problem this morning and the memory was at 100%.. 
 
Device Manager version 6.1(5) 57 
Hardware:   ASA5510-K8, 256 MB RAM, CPU Pentium 4 Celeron 1600 MHz
Internal ATA Compact Flash, 256MB
BIOS Flash M50FW080 @ 0xffe00000, 1024KB

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Cisco Firewall :: High Memory Utilization On ASA 5510

Sep 13, 2012

We recently added about 400 users to our network for a total of 1000.  Looking at the ASDM we are holding very tight to 75% utilization and we have 256mbs.  This is also running IOS 8.2(1).  Our firewall recently crashed after a major download was forced through it.  This was after only being booted up for about a week.  We had reloaded it a week prior after having ran it for about a year without issue.  We havent made any changes in the last month other than adding more users to our network.

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I've deployed many Cisco PIX 501 v6.3.3 either as normal firewalling feature and/or with VPN features enabled. I noticed in all my deployments, regardless if it's during peak hours or after office hours, the memory utilization is always consistent 11MB utilized over the total of 16MB(memory default size).

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Cisco Firewall :: ASA 5520 Memory Utilization Over 799%

May 2, 2013

I was looking at my CISCO ASA 5520 and i found something really strange
 
ciscoasa/VPN-context# sh mem detail
Used memory:      4259249568 bytes (793%)
-------------     ----------------
Total memory:      536870912 bytes (100%)
 
but when I look at the system context this is what I see
 
ciscoasa# sh mem
Free memory:       170829000 bytes (32%)
Used memory:       366041912 bytes (68%)
-------------     ----------------
Total memory:      536870912 bytes (100%)
 
As far as I know the ASA is working good.
 
Info of the device
Hardware:   ASA5520, 512 MB RAM, CPU Pentium 4 Celeron 2000 MHz
Internal ATA Compact Flash, 256MB
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Cisco Firewall :: Very High Memory Utilization In PIX 515e?

Feb 15, 2012

We had two PIXes in our environment and working as a active-failover mode. Its noted in now a days the active PIX memory utilization is 98% and for standby PIX it is 96%. And also in some times we were experiencing packet loss to the ip of active PIX and which reflects in the inside servers access also. During that time the active pix was not accessible via ssh as well as ASDM. We have tried reloading the PIX and changing failover state of the PIX, but it results only a temporary solution. Current memory installed is 128 MB (maximum upgraded), so a upgrade is also not possible. Please see the show command outputs from the PIX. Current Software version is 7.2(4)
 
sh memory output (PIX 1 - active)
 Free memory:         4850944 bytes ( 4%)
Used memory:       129366784 bytes (96%)

[code]....
 
1) How we can pin point the root cause of this high memory utilization?

2) What might be the reason for the high memory utilization for the standby pix (96%), still the PIX is in idle state?

3) Is it a hardware issue or a memory leak issue, then how can we find out?

4) Is a software upgrade to new version resolves the memory issue?

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Cisco Firewall :: Log Memory Blocks On ASA 5510

Oct 3, 2011

I have an ASA that is logging the message %ASA-3-321007: system is low on free memory blocks of size 2048. I ran the "show blocks" command and the "Cnt" value for the 2048 blocks is 0. How do I reclaim these blocks and what are they used for?

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We have a Cisco SA520 Router (Firmware 2.1.18)We are only using this for about 1 month now. Router seems ok its justI am worried about the  Memory utilization which reach to 62% (144/234 MB)Is this something to worry about?How can I utilize this by lowering down the usage?

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Jul 29, 2012

We have a 7206 router which acts as a MPLS Hub router for around 100+ remote locations. Bandwidh at mpls hub(terminated on this router) is 50 Mbps.
 
We have noticed that Memory utilization in this router gradually increases and when it reaches 100% this router hangs. It happence in frequesncy of 10 days and we have to restart the router when memory is 100%.
 
CPU utilization is normal i.e below 20%, WAN bandwidth will never cross 30mbps.
 
We are running OSPF on this router

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Cisco :: Memory Utilization OID For Catalyst 6506 Switch

Dec 26, 2012

We have one Catalyst 6506 ( with WS-SUP720-3B, IOS is 12.2(18)SXF14 ) and one Catalyst 6509 ( with WS-SUP720-3B, IOS is 12.2(18)SXF17a ). We used WhatsUP to collect I/O & process memory utilization for both switches. The memory utilization for Catalyst 6509 was ok, but it seems not correct for Catalyst 6506 ( show proc memory displayed the total memory is 512MB, but the WhatsUP displayed only 64MB only )

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Cisco Infrastructure :: 2960 - High I / O Memory Utilization

Oct 26, 2011

We recently installed two 2960, both of them with this fw version:

Cisco IOS Software, C2960S Software (C2960S-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
 
The switches see very few traffic (under 40MB on all interfaces, summed, so far), however, I/O memory utilization is about 80% as can be seen from the show memory command:
 
Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)
Processor    2B89A18    73969000    27198964    46770036    45060368    29367536
      I/O    6200000    14680064    12185292     2494772     2323116     2380896
Driver te   1A00000     1048576          44     1048532     1048532     1048532
 
The memory allocated is almost all Packet Data, by init, "sho memory io dead" returns  zero, the memory usage seems constant, there are no errors on the log, the switches operate correctly, no packet has ever been dropped, CPU usage is about 4%.
 
Here I showed info for one switch, the other is in the same situation. I just want to know if this behavior is expected, I don't want to find out problems when the switches will be in production whit real traffic.

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I have a Switch WS-C3750E-48PD-SF with IOS 12.2(58)SE2 which reports more than 80% in utilization of memory I don't know what is causing the high memory utilization.

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Cisco Switching/Routing :: 6509 High Memory Utilization?

Dec 6, 2011

I've noticed that my 6509's running VSS seem to have high I/O memory utilization.
 
I/O memory: Sw/Mod         Bytes:       Total           Used           %Used
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             1/2                     11796240       11442472             97%
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[code]....

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Cisco WAN :: 5540 - Memory Utilization Getting Higher When Adding Tunnel

Jul 21, 2011

We terminated about 25 site-to-site VPN tunnels on the Cisco ASA 5540 (2 GB RAM). It appears that the memory utilization is getting higher when adding the tunnel. We are planing to remove those 25 VPN tunnels out 5540, and soon we will add additional 40 VPN tunnels on it. So it will be total around 65 tunnels, and maybe add couple tunnels per year for the future grow, but about 25 VPN tunnels are using at all the time, the others are just backup purpose, standby only. We are looking for the new network device (router or ASA) to accommodate the needs. Which network device is better to handle VPN tunnel for this infrastructure?

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Cisco Switching/Routing :: 2960 High Memory Utilization

May 2, 2013

I noticed on the 2960 switches we have deployed that are running the latest IOS, 12.2(58)SE2, memory utilization is really high (almost 80 percent). I have not noticed any side effects but I wanted to verify this is acceptable. My question is does the high memory utilization matter? I see this may be related to bug CSCtw83946 but no resolution is mentioned.
 
I did some testing various IOS revisions and below is what I have found using a WS-C2960-48TC-L with default configuration and only my laptop connected to a switchport in vlan1. You will notice memory utilization will grows with each version but jumps drastically with 58. One difference with 58 I needed to use a different command to retrieve memory utilization. The output was gathered by pasting the output of the show command into the Cisco Output Interpreter on their website.
 
IOS
Show Command
Output
c2960-lanbasek9-mz.122-35.SE5.bin
show memory
[Code]....

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Nov 9, 2012

I am facing high memory utilization in Cisco 2960 switch having IOS version 12.2(55)SE3.
 
The error we are getting is:
 
A "LiveHealthAlarm" event has occurred, from SwCiscoIOS device, named Switch2960.  eHealth Alarm Start Time - Fri 09 Nov,2012 - 03:02:48 eHealth. Switch2960-RH-MemoryPool-Processor-Processor-1.Memory utilization high-Threshold set at 70%SPECTRUM ALARM ID|22233284 I have attached the logs also.

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Jan 21, 2012

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We had a stack of 4 qty 3750g running IP base on ver 12.2.32, then installed a 3750x to the stack and upgraded the whole stack to 15.0.2 SE3. In doing so, we noticed that the memory utilization jumped from 60-70% to 83-84%.
 
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Apr 15, 2012

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[code]....

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Recommended Action    Purchase more memory, upgrade the device, or reduce the load on the device.
 
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