Cisco WAN :: 3925 - Performed Clear Counters And Log Buffer Also Cleared
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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Sep 24, 2012
I am having ACS 5.2. I have to configure a user which would have privilege 7 access and addition to this, a user can run "clear counters" command.how to configure cammand set for "clear counters"?Can i run clear counters by privilege 7?
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Oct 3, 2012
I have ACS 5.1, I have created a user with privilege 15. I need to allow a single command by command set. I have configured command set. in command set setting i have unchecked "Permit any command that is not in the table below"
and added command as below.
Grant Command Argument
Permit clear counters
its allowing me to run clear counters, good is its not allowing to show run and configuration t commands. And problem is i can run reload command also even show interface commands.I just want to allow clear counters command only.
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Aug 31, 2011
Using an ACE 4710 we have a user setup with the Network-Monitor role which allows the user to view config, interface status, etc. We would also like to allow this user to clear the interface error counters as well, but nothing else.
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Jun 17, 2009
how can I clear the counters of the policy-map statistics in an 7600 and the 1841 router?
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Nov 13, 2012
I recently cleared out a router. I did that by typing confreg 0x2142 in rommon mode. Once I was in enable mode
[code]...
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Jun 24, 2012
I have worked at many compaines and I always see route filtering performed the same way when using BGPv4. Prefix list. Why do admins use this method. Dont route-maps/distribute list perform the same function ?
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Aug 17, 2012
I noticed when I went to 192.168.0.1 to check my wireless router settings, the all settings were cleared out.I tried entering settings such as SSID and security stuff. The settings show on the screen temporarily but do not save.When I try to save the settings I get the message nothing is changed save anyway? If I press save I get a window that says the setting is saved wait seconds. When I hit continue, and check my settings nothing was saved.
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Apr 16, 2013
I have a remote 3G Cisco router (Cisco 819) that occastionally drops it's EzyVPN and the local guys just reboot the device so when I log on and check the logs it is empty. My syslog server shows very little, can I keep the logs locally or up the logging to the syslog server?
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Oct 31, 2011
Ok, it all started yesterday when I was stupid enough to open a link a friend sent me. It was of course a virus. I ran a couple of anti-virus/anti-malwere programs and I think I got everything cleared. However I am not able to connect to facebook - it says that it cannot connect securely to the server or that the link is broken, or that the "server refused the connection". I have no problems with any other site. I have Windows 7 and I usually use Google Chrome but I've also tried FireFox and IE - nothing works. I tried everything I could find on the internet - I cleared all the cookies, I changed my DNS
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May 25, 2011
I am trying to connect to my son's wireless internet with my own laptop. I can't get it to connect - I have tried to "renew IP address" and it doesn't work. I also got a message when I went to Start Run, etc etc "no operation can be performed on Wireless network while is has its media disconnected" I am able to connect to my own wireless internet at home on same laptop.
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Jun 15, 2012
what is the ideal timeout for users when no activity is performed while connected to network via wireless
-WLC model 5500
-AP model 1200 series
users get disconnected every 15mins when machine is Ideal and where do i see this option.
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Feb 6, 2012
I'm just getting started with cisco kit so you will have to bare with me.I have a cisco 1841.i have a very wierd issue of routing...i cannot ping and browse through this.
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Feb 10, 2013
We have recently deployed several Ciso 887VAW (IOS 15.1(4)M4) to customer premises and I have come to realise counters show extremely high (not at all accurate) output rate and packets on all of them. [code]
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Sep 29, 2009
My customer recently deployed WLCs and WCS in their environment. However, recently they experienced slow performance. To futher finding out the root cause, I generated the 802.11 counters report from the WCS and noticed the following parameters is shown. Tx/Rx Fragment Count/Sec and FCS Error Count/Sec
1. Can I make the assumptions that the overall transfer of packet rate in that interval is the Total of Tx/Rx Fragment Count/Sec and FCS Error Count/Sec?
2. If the output rate of Tx/Rx Fragment Count/Sec and FCS Error Count/Sec are the same, does it mean that 50% of the packet are corrupted and this high FCA Error Count/Sec will cause performance degradation to the wireless througphput?
3. What is the baseline of the FCS Error Count/Sec that is acceptable? As for the case with wired, 1% error rate is acceptable. Will wireless have the same baseline?
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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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Jul 5, 2011
Short of rebooting, is there a way to clear this counter on an ASA 5505?
sh int
Traffic Statistics for "inside":
39514338 packets input, 3103793436 bytes
13578097 packets output, 15566854561 bytes
[Code] ....
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May 15, 2012
I notice strange input rates on the interfaces of a 881 router:
show int fa4
..
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec
..
30 second input rate 85000 bits/sec, 11 packets/sec
30 second output rate 16000 bits/sec, 9 packets/sec
221434 packets input, 287889736 bytes
..
..
142286 packets output, 15683576 bytes, 0 underrun
How can 11 packets/sec be 85000 bits/sec -- average packet size of 8KB?. The total packets input (221434 packets versus 287+ MB) also shows this kind of a 10KB+ average packet size. There is ahardly any traffic through the router when the above snapshot was taken so 11 packets/sec sounds right, but not the 85Kbits/sec.
The router is running c880data-universalk9-mz.151-4.M4.bin and config is simple with a single Vlan (inside NAT) with a public IPs on fa4 and a couple of IPs for dynamic NAT. Everything works fine except for these interface counters that look worng.
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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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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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Oct 17, 2011
I have a WLC 2106 with 3 APs. Everything works and users can connect, but the throughput seem to be lower than it should (it is around 8Mbps and should be around 30-50Mbps). And all speed and duplex has been accounted for.
I am trying to understand the stats that I see for the 802.11 MAC counters I under the Wireless APs.on the controller.
That screenshot is attached. I see high numbers for the following areas:
- Tx Failed Count
- RTS Failure Count
- FCS Error Count
what these mean and what could cause this? Maybe these are normal and not a concern.
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Feb 11, 2011
we have a 878 router and we want to mark traffics when entering on its lan interface.its lan interface is a layer 2 interface and we have created vlan interface and assosiated lan interface to that vlan.on vlan interface itself there is no service-policy command so we have to put serive-policy command on interace fast 0 itself which is layer 2 port.when we assign service-policy to fast 0 it doesnt work and it does not mark any traffic also class default counters doesnt increase to indicate any traffic is passing even it is not getting marked. ios version is advipservices.124.9T. How to mark traffic on this port. ii dont know why service-policy command is supported on layer 2 interface when it doesnt work at all.
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Mar 19, 2012
We're running a simple policy map on a 3750 stack (IOS version 12.2(53)SE2), but the route-map counters do not show any matches:
NYKIRDRCX01#sh route-map
route-map remote-route, permit, sequence 51
Match clauses:
ip address (access-lists): remoteACL
Set clauses:
ip next-hop 192.168.101.5
Policy routing matches: 0 packets, 0 bytes
However, I've confirmed via our netflow monitor that the traffic we're trying to send to the appropriate next hop is, indeed, getting there correctly.
I've seen issues in the past with a 3750 not reporting counters correctly.
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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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Mar 12, 2013
i am new to MPLS on cisco routers. For our interoperability testing i need MPLS tunnel counters output ( data sent out and data received.). i am not able to find this information in cisco user guide. As per standard it is defined in MIB table mplsTunnelPerfTable of stdte.mib.
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Sep 7, 2012
I am attempting to monitor bandwidth utilization of the WAN port for the RV180 via SNMP and I am getting strange results. If a 256MB file is transferred from a remote server (without compression), the ifInOctets counter doesn't increment by anything resembling 256MB:
$ snmpget -v2c -c public 192.168.1.1 IF-MIB::ifInOctets.5 IF-MIB::ifOutOctets.5
IF-MIB::ifInOctets.5 = Counter32: 365402138
IF-MIB::ifOutOctets.5 = Counter32: 32610053
[Code].....
I'm reasonably certain that the .5 interface is the WAN port based on the value of ipAdEntIfIndex.X.X.X.X, but even if that were not the case, none of the other interfaces increment by a value close to the amount of data transfered. SNMP monitoring of a WAP121 on the same subnet returns expected results. I can only assume that SNMP on the RV180 is completely broken.
The router has the latest firmware available (1.0.1.9). There is only one network connection and the RV180 is the default gateway for all internal hosts.
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Oct 16, 2012
This is a continuation of my last post in which I need to apply ACLs to the physical ports within Etherchannels. The switch is a Catalyst 2970 running IOS 12.2. These Etherchannels are configured as trunks with 2 VLANS allowed on each trunk.I have applied an inbound ACL on the physical ports that filters based on layer 3 and layer 4 traffic. The issue that I am seeing is that the counters for the ACL are not increasing even though the ACL is clearly doing its job. At the end of the ACL I have an entry of "permit ip any any". Removing this from the list causes connectivity problems to the server on this port. Adding it back and everything is back to normal. However the counters don't increase. At first I thought maybe this wasn't supported on this switch but then I noticed the counter had increased to "2 matches" later in the day. What is the normal behavior is for this switch and does it support logging on an ACL entry as well.
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