Cisco WAN :: 4500 - How To Check Buffer Size Utilized Or Free Space Available
Jan 15, 2012
Is there any way to check how much of the total buffer size is utlized at any given moment out of the total space or memory allocated in Cisco 4500 switch For eg - show logging output is as below for a 4500 switch
Syslog logging: enabled (0 messages dropped, 1 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)
Buffer logging: level debugging, 31644 messages logged, xml disabled, filtering disabled
Exception Logging: size (8192 bytes)
From above is there any command to check hw much size is currently utlized , by 31644 messages ..or how much of the located buffer size is utilized.
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Feb 9, 2013
We phace disconnections when having a dozen open connections.Does the Cisco devices have a documented limitation on the buffer size or the number of telnet connections?
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Apr 13, 2011
I was wondering about command of Linkset subcommand at ITP7613.I have been using the Cisco7613 chassis for the ITP(SIGTRAN) service.
However, i know that the "tx-queue-depth" command is used for sctp multihoming buffersize that between primary and secondary path at the Link sub-command mode. but i can't adjust the changeover buffersize(retrieval buffer) that between link and another link at the Linkset subcommand mode.
It's above my comprehension.
My guess is that related to "plan-capacity-rcvd" command. it's right?I want to know command that adjust the buffersize of Link changeover.
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Oct 22, 2012
Why do i have 0 bytes of free space on my cd rom??
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Mar 11, 2013
Cisco Prime LMS 4.2.3 is sending SNMP request too big for asa interface buffer.LMS is running on Windows server incoming SNMP request (528 bytes) from IP address x.x.x.x Port 50592 Interface "inside" exceeds data buffer size, discarding this SNMP request.
212005: incoming SNMP request (%d bytes) from %s exceeds data buffer size, discarding this SNMP request. It is very much like this error
Error Message %PIX-3-212005: incoming SNMP request (number bytes) on interface interface_name exceeds data buffer size, discarding this SNMP request.
#Explanation This is an SNMP message. This message reports that the length of the incoming SNMP request, destined for the firewall, exceeds the size of the internal data buffer (512 bytes) used for storing the request during internal processing; therefore, the firewall is unable to process this request. This does not affect the SNMP traffic passing through the firewall via any interface.
#Recommended Action Have the SNMP management station resend the request with a shorter length, for example, instead of querying multiple MIB variables in one request, try querying only one MIB variable in a request. This may involve modifying the configuration of the SNMP manager software.
how do I change the SNMP request size in LMS? I can only find the following that might be an option
[URL]
just using default settings with snmpv3
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Jul 29, 2012
I just received a 1812 model unit flash memory C class.
I cannot free the space from CF; after format, I receive the same amount of space:
Cisco-1812-II#show flash:
14450688 bytes available (17489920 bytes used)
Cisco-1812-II#format flash:
Format operation may take a while. Continue? [confirm]
Format operation will destroy all data in "flash:". Continue? [confirm]
[Code].....
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Mar 6, 2012
I have controller AIR-CT5508-K9 which is accessed remotely (both from GUI and CLI). I am unable to find the flash size of the controller.
show run-config doesn't list compact flash size, show inventory, show boot also doesn't give any info on the flash size.
The controller currently running with 6.0 version.
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Jan 24, 2011
How many synchronization methods are utilize in an Ethernet network?
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Feb 6, 2013
I have 5 linux and 3 Microsoft 2008 Servers, each connected to 2 Cisco 3560 Switches. The 2 Cisco 3560 switches are connected to 2 different Cisco 515e Pix. Is it possible that if i enable Port SPAN in any of the switchport and send a copy of traffic to any of the windows 2008 server, will i be able to monitor the bandwidth of the servers (Here I am only looking for traffic going from servers to PIX and then to internet, also vice versa).
Also will wireshark be able to differentiate specify the bandwidth of each servers seperately ?
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Apr 11, 2012
When mls qos is disabled, how much of an interface buffer is available to the single output queue?is a single switch port able to consume as much as required of the common memory pool.
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Feb 13, 2013
I would like to test a wireless connection by streaming video from one device to another,I would like to monitor the size of a playout buffer to gauge whether or not the link can sustain a high quality HD stream. Any software that will allow me to monitor the playout buffer?
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Jan 3, 2012
In case I view the crashinfo file with more crashinfo:data, there is a "Log buffer:" section, which has logged all the commands executed by users.
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May 20, 2013
I'm trying to upgrade my AP36021, "buffer overflow" error. Is there anything I can do here to stop this happening!
a36#$0/ flash:ap3g2-rcvk9w8-tar.124-25e.JAL1a.tar
Address or name of remote host [10.x.x.x]?
Source filename [ap3g2-rcvk9w8-tar.124-25e.JAL1a.tar]?
[Code]......
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Oct 17, 2012
In Soft Apliance 4.2.2 I keep up getting diskWatcher Available space message:
It is fresh installation:
[LMS-500/root-ade ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/smosvg-usrvol
[Code].....
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Feb 23, 2012
I use to could be able to watch videos and listen to music, and download at optimal speeds, I could even watch HD if I wanted to, but now all of a sudden (starting at least 3 weeks ago) videos, downloads, and music seem to run super slow no matter what quality I have it on. It takes 5 minutes to buffer a 3 min video, and if I want to watch a show, it take like 2 or 3 hours to fully buffer. My internet still goes fast, and I have trendmicro antivirus, as well as ccleaner, i updated my drivers, i have ie9 and adobe flashhplayer 11.1, i updated everything in windows update, i unplugged the modem for awhile and shut down more often, and opened it up and blew all the dust out. I don't know what else to do. I do have a cisco E2000 wireless router if that's a problem, and both my ps3 and my computer are on the connection, but my computer was working fine with both on the same connection for a year. I go on the http:192.168.1.1 cisco place, and i renewed ip settings, and nothing worked.
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Sep 25, 2011
About a week ago, without any change to my network settings, I began having a problem with streaming 1080p content from my media server to a router, wired to a switch that serves a few devices in my home theater (including a HTPC, my Boxee Box). Every 15 seconds movies have to buffer. After a while, I narrowed it down to the switch, since wiring the Boxee Box straight to the router caused the movies to run perfectly.Logically, I thought the switch was the problem, since I really made no changes on my network/DD-WRTRouter other than running a Minecraft server (which shutting that down made no difference in network performance).
I ordered a brand new gigabit switch, same problem. Pinging the BoxeeBox returns 0 packet loss whether it's connected to the switch or router, but movies still play perfectly fine when directly connected to the router. Different cables didn't work. Ok, well, I thought maybe the other devices on that switch were causing some sort of conflict.. changed the BoxeeBox's static IP just in-case, unplugged every other device from the switch so that only the BoxeeBox and Router were connected to the switch. It worked fine! Yay! Tried a different cable, still worked fine. Great, I thought, so the problem was never my switch... plugged the old switch back in, then the problem returned.
Changed back to my new switch (each time power cycling all of the network devices) and the problem persisted, even with the SAME EXACT setup I just had a few minutes previously that worked fine. Tearing my hair out at this point.Since that moment I still haven't been able to reproduce a perfect stream unless the BoxeeBox is directly connected to the router. This doesn't make ANY sense as I had this setup running perfectly fine since November 2010. I am COMPLETELY out of ideas other than running multiple ethernet wires to that drop or running all the other devices on wireless.
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Jan 22, 2012
how to ftp a file with date in it's name. for ex.reportname filename yyyymmdd.cvname with space
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Sep 12, 2011
i am using 1 gb net for 1 mnth.hw to save my netspace
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Jun 12, 2012
I would like to define a general policy for our company to set the log buffer ("logging buffered xxx"). Currently, most of our configs use the default value of 4096, which does not store much of the history. I'd like to see more, when logged onto a router. We are using different router platforms (from old 1700 up to 39xx oder 72xx) Can you give me any hints, how large the buffer can be set on a platform? Which checks should I do to determine, how large I can set the buffer?
Here's an example of a Cisco 1720 router:
Cisco1720#sh mem
Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)
Processor 81AECE9C 17803244 5548816 12254428 12010916 11815908
I/O 2B43000 4968448 1560416 3408032 3374144 3396668
Cisco says: "Total = the total amount of memory available after the system image loads and builds its data structures."So, in this example, the total bytes are 17803244, which is ~ 16.9 Mbyte. So, if I allocate 64000 bytes, my total buffer will decrease to ~16,3 Mbyte.
I my calculation above is correct, I see no problem in defining a standard value of "logging buffered 64000" for every router platform - even under high load conditions. Since 64 kbytes is a very small value compared to the total usable memory of a Cisco 1720, newer platforms should not have any problems either.
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Oct 17, 2012
I have a 2851 and a 1841 both serving as hub routers in a GRE multipoint configuration. They are both receiving buffer misses and failures on startup. I will post the output of show buffers below:
LAB-HUB-RTR#show buffers
Buffer elements:
607 in free list (500 max allowed)
9071 hits, 0 misses, 618 created
Public buffer pools:
Small buffers, 104 bytes (total 71, permanent 50, peak 71 @ 00:11:33):
68 in free list (20 min, 150 max allowed)
7083 hits, 74 misses, 0 trims, 21 created
55 failures (0 no memory)
[code]....
I have tried increasing the small/medium buffers initial size and permanent size, however there is no change. The buffer failures for small and medium buffers are always around this many every boot.I have also changed the IOS versions between 12.4.24(T4) to 15.1 with no luck in stopping the failures.
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Dec 21, 2011
I have two phones Cisco 7940 with firmware 8.12. Configuration:
line1_shortname "George Steel"
line1_displayname "George Steel"
line1_name: 1
line1_authname: 1
line1_password: 123
When I call to another phone as the caller's name appears GeorgeSteel (no space). With firmware 8.8 it does not do ..
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Apr 14, 2013
My SCE1010 show the alert "Not enough disk space" in log.I find old discuss , someone say can delete the file: /tffs0/SYSTEM/PREVDBG.TXT , because the file is too big.But I don't confirm delete the file will not effect system work fine. [code]
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Feb 15, 2011
I am trying to upgrade a router 2811, the flash has 64 mb and currently has a IOS 32 mb, but require update it with a IOS 37 mb.
What should I do?, I cannot have the two ios in the flash.
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Oct 15, 2012
LMS 4.2 Soft Apliance has default:
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/smosvg-optvol
105G 4.8G 95G 5% /opt
/dev/mapper/smosvg-varvol
53G 268M 50G 1% /var
Where to create Backup folder? Under /opt or /var ?
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Apr 7, 2010
We are getting ready to bring up 2 new 5.1 ACS servers to replace our ACS 4.2 configuration.The documentation says that 512GB of disk space is required for each server. This means we will need to request1 TB of disk space. The VMware folks in our group are asking why we need so much space when the 4.2 servers are only using 20 gigs including the OS.
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Aug 31, 2012
I have a such setup:Code:
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May 29, 2013
We're having some issues with a 3560 CPE. It's uplink is a GE fiber link, customer port is FE RJ45. We see a lot of TX-frames being dropped at the FE port,but none at the GE port. Even when the customer is only at ~50Mbit/s downstream traffic. When customer sending ~50Mbit/s upstream, there are no TX- drops at the GE link. Is this a normal behaviour? From what I know the physical medium shouldn't have any inpact on this since drops occurs in the port- asic, and not in physical transmission.Do the buffer-sizes between GE and FE differ? What could we do to optimize the flow and reduce drops? QoS is set to off and no modifications on the queues have been made on the interfaces.
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Jan 17, 2013
I can't remember clearing the log with a clear counters. Router is a CISCO 3925-CHASSIS (revision 1.1) with C3900-SPE100/K9..System image file is "flash: c3900-universalk9-mz.SPA.150-1.M4.bin"..I did a : clear counters, enter. got this standard message >> Clear "show interface" counters on all interfaces [confirm], enter and it CLEARED the LOG BUFFER as well !!!! never seen that before. Its a newly turned up router, repurposed from another part of our network.
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Feb 25, 2012
I am trying to upgrade my IOS on a 3550 switch.The switch has 15MB of space total.When I delete the current IOS it leaves only 8MB of space.I need 10MB of space for the new image.Where is this other space being taken up? [code]
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Dec 13, 2010
we need to interconnect multiple branch office (CISCO 1841 with VWIC-1MFT-E1 ) via E1 links to the main site (CISCO 3745 with NM-8E1 IMA ). We succeeded to connect them using the same VWIC-1MFT-E1 at both sides (Branch / HQ), but I need to connect up to 10 sites in the future, so we thought that may be we can use ( NM-8E1 IMA) to make it possible and to save some space for any future upgrades. Honestly, we couldn't find any E1 related commands to configur this card (NM-8E1 IMA). Did we choosed the wrong card (NM-8E1 IMA).?
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Feb 25, 2012
I am trying to upgrade my IOS on a 3550 switch.The switch has 15MB of space total.When I delete the current IOS it leaves only 8MB of space.I need 10MB of space for the new image.Where is this other space being taken up?
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Dec 7, 2011
I want to upgrade IOS on 1811 from 12.4(11)T3 to 12.4(15)T16.
As a standard CF size in the 1811 is 32 M, so I have to free some space.
Here the strange things starts.
dir issued on the router shows thet ther is no image on the flash!
dir
Directory of flash:/
No files in directory
31940608 bytes total (12771328 bytes free)
sh ver shows that
uptime is 19 weeks, 2 days, 9 hours, 22 minutes
System returned to ROM by power-on
System restarted at 15:21:30 EEST Tue Jul 26 2011
System image file is "flash:c181x-advipservicesk9-mz.124-11.T3.bin"
The other strange thing is that some space is allocated for something!
(flash size) 3194060 - 12771328 (free) = 19169280 (space allocated to ???)
Just now router is running IOS c181x-advipservicesk9-mz.124-11.T3.bin The size of this IOS is 19 155 816, that is approximately equal to the size that allocated to something invisible.
fsck flash and format flash doesn't work. Bug Toolkit doesn't show any bugs similar to my issue.
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Aug 8, 2011
my computer wont load some videos on the internet. youtube works fine though, also a majority of the time, my internet doesnt even load the page and just sits there with a blank screen making out it loads. and on facebook, the chatbox barely appears let alone even show me whos online. i have tried deleting all the temorary internet files, cookies, history, form data, passwords and inprivate filtering. i also tryed freeing up space and i deleted about 12gb of crap i didnt need[CODE]
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