Cisco Firewall :: 5520 Crashed And Shows Negative Numbers

Feb 3, 2012

got a crahed 5520 this week and was showing <163>Nov 28 2011 11:34:45: %ASA-3-201013: Per-client connection limit exceeded -125/100 What the negative number tells ?  i usually see same numbers like 100/100 with means the connection limited has reached.

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Cisco Firewall :: ASA 5520 - Memory Shows 94% And CPU Shows 85%

Oct 15, 2012

I Have asa 5520 with the  code 8.0, the mem shows 94% and the CPU shows 85%

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Cisco Firewall :: ASA 5520 Shows To Wait And Then Nothing Happens

Aug 7, 2011

I have new ASA5520. After configured and upgrade with ASA 8.0(3) image its works for few times (few times means after restarted several times). But now the error comes as "Booting system, Please wait..."

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Cisco Firewall :: Negative Counters In ASA 5510 (show Service-policy)

Feb 7, 2012

In my Cisco ASA 5510 in release 8.2, I have an extrage behavior in the output of "show service-police" command. The issue is that I create a class-map to limit trafic in one of ASA interfaces and I applied in a service policy. This is the configuration: 
 
access-list ACL-Limitada extended permit ip host srv-proxy any
access-list ACL-Limitada extended permit ip any host srv-proxy
access-list ACL-Limitada extended permit tcp 192.168.10.0 255.255.255.0 any eq ftp-data
access-list ACL-Limitada extended permit tcp 192.168.10.0 255.255.255.0 any eq ftp
access-list ACL-Limitada extended permit tcp any 192.168.10.0 255.255.255.0 eq ftp-data
access-list ACL-Limitada extended permit tcp any 192.168.10.0 255.255.255.0 eq ftp

[code]...

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Cisco Firewall :: ASA5510 Connection Numbers Don't Add Up

Jun 13, 2011

I have a monitoring rule that checks the number of connections on the firewall using the following command: show conn count
 
My results are always between 3,000 and 9,000.A while back, I had an issue where all 130,000 connections were being used up.  I configured a service policy to limit the number of connections between any two end points.
 
I'm monitoring the error logs and I'm noticing that my connection limit rule is being triggered on a regular basis.  I receive the following message.Per-client connection limit exceeded 20000/20000 for output packet from x.x.x.x to x.x.x.x on interface outside
 
I'm confused as to the difference between the connections limited by my rule and the connections shown by "show conn count".  why I never see any connections higher than 9,000 using "show conn count" yet I am seeing alerts stating that the firewall has reached 20000 connections?My firewall is an ASA5510 running.

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Cisco VPN :: ASA 5520 - ASDM Shows Lot Of IPsec VPN Sessions In GUI

Jan 20, 2013

I have upgraded my ASA 5520 til version 9.1 with ASDM version 7.1. After the upgrade ASDM shows a lot of IPSEC VPN-sessions in the GUI that i cannot see from the ASA. Right now the GUI says that I have 28 IPSEC-sessions while the output from "show vpn-sessiondb l2l" shows the expected 4 tunnels and the output from "show vpn-sessiopndb remote" shows 0 as expected. (I do not use IPSEC from remote users).

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Cisco Firewall :: Numbers Of Users For ASA Content Security Module 1703

Feb 1, 2012

I run a website for a local football team using Serif Webplus X6. On uploading the weekly updates of the site the process seems ok for a few minutes with progress bars showing uploading of files but then it all stops and I have to reset my wireless network adaptor 1703 and it continues but I can't just leave it to work on its own. Device manager says that the drivers are up to date but I'm fed up with having to nurse the adaptor. This didn't happen with previous computers.

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Cisco Firewall :: ASA5520 - Static Route Shows A-172.24.0.0 Or A-192.168.176.0

Jul 14, 2012

We use ASDM 6.2 to manage our Cisco ASA 5520 running ASA Software Version 8.2 (1). I just noticed that some static routes have "A-" when you view the static routes with ASDM e.g. A-172.24.0.0 or A-192.168.176.0 (pls see attached print screen). I haven't seen this before and dont know what it means.

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Cisco Firewall :: Log Shows Wrong Source / Destination ASA 8.3

May 25, 2011

The Cisco ASDM or the event manager show wrong source/destination for teardown tcp messages:In this example the communication is an ssh session;from 1.1.1.1 -> 2.2.2.2 ssh and the connection is reseted by 2.2.2.2
 
The message build outbound is correct, i.e. source is 1.1.1.1 (message id is 302013)
 
But the teardown is incorrect, i.e. source for the connection is 2.2.2.2 which is definitely not true (message id is 302014)
 
Also there seems to be a documentation bug in syslog messages for ASA 8.4 since the message for the teardown 302014 is gone!

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Cisco Firewall :: Tracert Results Always Shows Same IP On ASA5505

Nov 23, 2011

I have a ASA 5505 as a default gateway to a network, whenever I tracert to outside it shows every hop ip address as the ip address I'm trying to get too, quick example
 
lets say I'm in a 192.168.0.0/25 network but I want to trace to 10.10.10.10

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Cisco VPN :: ASA5505 Cannot Connect To Firewall As Attached VPN Client Log Shows

Jul 28, 2011

I have the below configuration for a cisco asa 5505. There is a ADSL router in front of the ASA which has a static IP. I set up a remote-access VPN (using the wizard), but I cannot connect to the ASA firewall as the attached VPN client log shows. My only concern is that there might be something missing, ie a static route that goes to the inside interface. [code]

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Cisco Firewall :: 5510 - ASDM Shows Only One Context After Reboot

Sep 16, 2012

On our ASA 5510 we have two security contexts. After opening ASDM I can see and manage admin context, but cannot see second context. I can do changes to second context via CLI but as probably you know it's easier and quicker doing it via ASDM.

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Cisco Firewall :: 12697 FWSM Shows TCP Check-sum Incorrect

Jun 13, 2012

When we setup a connection between two hosts we receive the message "TCP checksum incorrect" , This is  between a settop box on the outside and a server inside the firewall. This STB used to communicate with the server on port 443 which is NAT-en to port 12697.With a new settop box image which uses on the inside and outside port 12697 we receive this TCP checksum incorrect on the Firewall with wireshark.
 
Strange is that on the outside of the firewall we see an MSS of 1460 and on the inside it is 1380 (don't know if there is a relation with this and the issue we have)

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7800N Router Firewall Log Shows Attacks From Unused Internal IPs

Feb 23, 2012

I was just checking my router's firewall log and I noticed a couple of entries which appear somewhat suspicious, amongst all the 'normal' background radiation of (mainly) Russian and Chinese IPs: [code] The source IP for these 'attacks' is/was unused on my internal network.

My router is a Billion BiPAC 7800N running 1.06e firmware. There are a number of devices permanently connected to the internal network and a number which are connected at other times (e.g. desktops, laptops, mobile/cell phones, games consoles). Some are wired, some are wireless. Some have static IPs (none of which are listed in the above 'attacks'), some have dynamic IPs (assigned by DHCP by the router in a range not listed above). The WiFi is secured with a strong key on WPA/WPA2-PSK, AES (no WPS). Web Access Control for the router is disabled. Block WAN PING (and Block WAN (IPv6) PING) are both enabled.

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Cisco Firewall :: Different Between ASA-5520-K9 And ASA-5520-K8

Nov 2, 2012

We were using ASA-5520-K9 with  ASA-SSM-AIP-20-K9 but recently found some hardware problem in our running ASA. Now cisco want to replace with ASA-5520-K8.

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Cisco Switching/Routing :: 2960 Crashed And IOS Gone

Mar 10, 2012

My cisco ios 2960S is crashed and the ios is gone The issue is i am connecting my pc to management port and i give switch:

IP_ADDR x.x.x.x/255.255.255.0 and also switch: DEFAULT-ROUTER
 
But i can not copy tftp to flash,according that i have L3 port (management) why should i use xmodem?

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Cisco WAN :: 2811 Router Crashed And Reboot

Jul 24, 2012

seeing very strange behaviour of router router is connected to switch to provide analog when swich configured as trunk the router crash and reboot but when change to access its stable
 
[code]....

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Cisco Firewall :: ASA 5505 Logs All Traffic Shows Up As Router External Address

Nov 10, 2011

I have a cable modem internet connection and my cable modem is connected to an ASA 5505.  The inside interface of the ASA has an IP address of 192.168.2.2 and is connected to a Linksys router's internet port which has an IP address of 192.168.2.1.  The Linksys router then has a local area network of 192.168.1.0 and all my clients are on that network.  Everything is working fine except in my ASA logs all the traffic shows up as the router's external address which is 192.168.2.1.  I would like to see the 192.168.1.x address of the clients in the ASA firewall.  I've tried making some changes to the Linksys router but that hasn't resolved it.  Is there any changes I can make on the ASA to get this to work?  

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WLAN Has Been Disabled / Computer Crashed

Mar 28, 2011

About 5 days ago the computer crashed. I was able to reload Windows XP and load all the drivers and hardware. The only problem is, now the WLAN is saying that it is disabled and I am unable to enable it. The stupid thing about this is, when the computer crashed, the next day i was able to get on. The WLAN was working just fine and so I decided to go ahead and load windows anyways because it has been having issues. Every since I did that, the WLAN has been disabled.

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Can't Connect To Internet - Vista Crashed

Feb 22, 2011

my moms computer had vista on it an it crashed, so i installed xp pro and now the internet wont connect. in cmd prompt it says that the media is disconnected but everything is fine becuz both of my wireless laptops r connected fine...ive already tried to repair the local ac an it didnt do anything. also have tried reassigning the ip address and unplugging/ restarting the modem.

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Cisco Switching/Routing :: 6500 Crashed - RP Is Being Reset By The SP

Feb 17, 2013

One of our edge router (6500, running ios 12.2(33)SXJ) crashed with the following error. I found there were some RP-SP-ping GOLD test skipped due to high SP CPU utilization, but dont know if thats the reason. Crashinfo is attached. Hope to get you expert opinion on this. Shall we go for upgrade ?
 
Feb 17 15:19:10: %C6K_PLATFORM-2-PEER_RESET: RP is being reset by the SP
%Software-forced reload
15:19:10 met Sun Feb 17 2013: Breakpoint exception, CPU signal 23, PC = 0x42E24578

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Cisco Wireless :: 2500 Series WLC Crashed Repeatedly

Aug 11, 2012

I have 2500 series wlc which is crashing again and again. I attach the log of crash as well.Also in License location the base-ap-count license " is not in use ".

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Cisco Wireless :: 1142 AP Crashed Due To Software Failure

Apr 24, 2012

I have an 1142 CAPWAP AP running IOS 12.4(25e)JA$ on a 2504 controller running 7.2.103 that's frequently reloading. NCS is reporting the reason for the reload as 'AP Crashed Due To Software Failure'. Other 1142 APs on the same controller aren't experiencing any problems. The AP is in H-REAP mode with local switching but central auth.

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Cisco Infrastructure :: WS-C3750X-24T-S - One Of Four Switches Of Stack Crashed

Jan 10, 2012

Symptoms: The switch hangs - after a hard reboot and after two hours switch No. 2 flew out from the stack. After the reboot, everything returned to normal and now when a few days passed switch works without problems. Devices: WS-C3750X-24T-S

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Cisco Switching/Routing :: C4510 With Redundancy Supervisor 7E Crashed

Oct 31, 2011

Our company's c4510 with redundancy supervisor 7E just been crashed, first the master then the slave. What should I do ?

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Cisco Switches :: SG300 28P Crashed Two Times / Fatal Error

Jul 2, 2012

my switch crashed two times. below details about it.
 
03-Jul-2012 17:29:44 :%SYSLOG-F-OSFATAL:
FATAL ERROR: GOAH: ABORT DATA exception
***** FATAL ERROR *****
SW Version  :  1.2.5.70Version Date:  11-Jun-2012Version Time:  17:35:31
Instruction            0x150348Exception vector       0x10Program state register 0x600000130x0015014c
***** END OF FATAL ERROR *****
 
02-Jul-2012 16:11:39 :%SYSLOG-F-OSFATAL:
FATAL ERROR: GOAH: ABORT DATA exception
***** FATAL ERROR *****
SW Version  :  1.2.5.70Version Date:  11-Jun-2012Version Time:  17:35:31
Instruction            0x150348Exception vector       0x10Program state register 0x600000130x0015014c
***** END OF FATAL ERROR *****

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Cisco Switching/Routing :: 2960 Switches That Have Crashed Without Any Reason

Aug 12, 2012

I have a number of 2960 switches that have crashed without any reason                  
 
Under show version System returned to ROM by address error at PC 0x108971C, address 0x0

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Cisco Wireless :: 4402 - Controller Crashed With Reaper Reset

Jan 17, 2012

We have upgraded to latest IOS but observed this box is hitting a bug which was resolved in the earlier releases but not seen in 4402.
 
Is this related to hardware issue or a software bug only.
 
CSCtg94715
CSCtk83586
CSCso90721
 
Error!  Software watchdog on task dot11b expired! Reaper Reset: Task "dot11b" missed software watchdogError!  Software watchdog on task apfMsConnTask_0 expired! Reaper Reset: Task "apfMsConnTask_0" missed software watchdogError!  Software watchdog on task apfReceiveTask expired! Reaper Reset: Task "apfReceiveTask" missed software watchdogError!  Software watchdog on task radiusTransportThread expired! Reaper Reset: Task "radiusTransportThread" missed software watchdogError!  Software watchdog on task ccxL2RoamTask expired! Reaper Reset: Task "ccxL2RoamTask" missed software watchdogError!  Software watchdog on task dot1xMsgTask expired! Reaper Reset: Task "dot1xMsgTask" missed software watchdogError!  Software watchdog on task spamReceiveTask expired! Reaper Reset: Task "spamReceiveTask" missed software watchdogError!  Software watchdog on task dtlArpTask expired! Reaper Reset: Task "dtlArpTask" missed software watchdogReaper is kickin' into high gear  Task dtlArpTask is consuming 0% CPU! (0% user, 0% system)  Frame 0: 0x10004708: sighup_handler+84
  
************************************************************
*             Start Cisco Crash Handler Serv               *
************************************************************
Sys Name:           HJ_Wireless_Controller
Model:              AIR-WLC4402-50-K9

[code].....

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Cisco Switching/Routing :: WS-C3750G-24TS-1U Stack Crashed IOS Version 15.0(1)SE

Nov 2, 2011

I have a situation. I am running two-switch 3750-stack and it crashed this morning. IOS version the switches is: "flash:c3750-ipservicesk9-mz.150-1.SE.bin"
 
SRPRSRGBYA#
 
Log Buffer (10000 bytes):
3:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan104, changed state to up
Nov  3 13:13:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan201, changed state to up
Nov  3 13:13:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan202, changed state to up
M-1-CRASHED:   (SRPRSRGBYA-1)
Nov  3 13:18:13.336: %PLATFORM-1-CRASH(code)

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Cisco Switching/Routing :: Failing 3560CG Platform 1 Crashed Errors

Sep 9, 2012

Uhg.  I deployed a 3560G a week ago and it was crashing... so I replaced it Sep 7 around 16:00 and now this one is crashing.  Different logs.
 
Version 12.2(55)EX3
Sep  6 18:06:08: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  6 21:05:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  7 04:12:43: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  7 05:35:09: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  7 08:21:37: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  7 11:13:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
 
Replacement Version 12.2(55)EX2
Sep  7 16:34:48: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  8 03:39:38: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  8 18:26:06: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  9 18:14:38: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
 
More detailed syslogs are in the attaced 'crash-logs.txt' file.
 
The device is running OSPF (it is in an NSSA).  I have several other devices configured almost the same running the same IOS in my network and they are working fine.This does make the third out-of-box 3560C Cisco that has failed on me within a few days. 

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Modem With 2 IP Numbers

Jan 29, 2013

I've had this dsl modem for a couple years now and have always to my knowledge been able to use it via only one ip number.i've been streaming video using webcamxp and other software/.today my modem began acting stupid by disconnecting once an hour and if I shut off pc of at all,i wind up having to manually reset the modem by unplugging it for a few seconds and then back in again.i eventually noticed that while the webcam is streaming video ,my lan connection on the pc shows the ip number i'm familiar with while my dsl modem shows one that's new(so to speak)..so I entered both ip numbers in to the webcamxp and found that the modem streams using either ip number..if I go to the what's my ipnumber site,it will display whichever number I have entered in to the webcamxp software//.is it normal for a modem to use 2 numbers as I don't believe this has occurred in my case before.i'm wondering if it has to do with the modem suddenly disconnecting now and then and too,having to reset it everytime I boot.i have att dsl ,no live landline just dead phone cord from the modem to the wall.

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Cisco AAA/Identity/Nac :: How To Get Any Numbers Regarding Performance For ACS V.5

Aug 17, 2012

How to get any numbers regarding performance for acs v.5 ?  I have looked through the documents but couldnt really get any idea. Especially in a WLAN environment - how many  clients can use  one appliance as primary without putting the primary under strong load  ?

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What Are Port Numbers And Who Choose Them

Jul 27, 2011

I have a little experience in LAN management, solving basic connectivity issuesHowever, I am not strong theoretically. Particularly, when it comes to OSI reference model,I feel like I have understood the funda, but at the same time, I get lost, here and there,This is regarding the steps or processes involved, when one PC sends an email to another in a network,When I compose an email and hit enter, this is what I have understood.Each layer, starting from the application layer, passes the data and the control information to the layer below it, until the lowest layer is reached, from where, the actual transmission takes place via the physical medium.What are port numbers? How and when are port numbers chosen? Who takes the decision in choosing them?

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