Cisco WAN :: 2960S Post Failures If Break Into ROM?
May 8, 2011
I have over 20 units doing the same thing and it seems to be a software isssue but i dont see any bugs or posts on it. This is only on 2960S switches and not 2960 or 2960G units.
If i use the password reset feature to break the units into rom and then type "boot" instead of power cycling the unit, they will fail MBIST post tests. If the unit is power cycled or left to boot normally on its own, there is no issues and all post tests pass. I know MBIST is Memory Built In Self Test and was thinking maybe breaking the unit into rom disrupts those memory tests for some reason. I tried the following software and got the same results with all of the images:
122-55.SE2
122-55.SE
122-53.SE2
122-53.SE1
Logs attached are from the same switch, one with password reset procedure used and while left to boot on its own.
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Mar 24, 2011
some of the websities like facebook are blocked
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Jun 28, 2012
My facebook site is blocked by firewall . how can i open it ?
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Jun 16, 2010
i have cisco 1941 router.unfortunately i dont remember password.Can any body tell me how to break password.I tried to go in Rom mon using ctr+break but nothing is happened.
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Apr 24, 2012
I have a 3845-Mb that has a username and password already on it. This needs to be wiped as its a sold unit. However i cannot break into teh IOS in Hyperterminal using Ctrl-Break either as it boots or after teh IOS image has loaded (after it shows Decompressed image {ok} etc). I have tried several break key combinations such as ctrl+F6+break and they dont work either. On boot the unit does show Password recovery Functionality is disabled. IOS image is 12.4(13r)T.
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Mar 6, 2011
We have installed a SRST in one of our remote offices. They have ISDN Primary, and we have a 6mb MPLS link to our main HQ with 400k of QoS on the line. During the day, both Internal calls over the MPLS and external calls over the ISDN break up, but it doesnt happen all the time, i.e in a day the morning will be ok, then the users experience the break ups in the afternoon, then its everything is ok again.
The only factor that the calls share is the Lan infrastructure i.e the 3750G switches (7) of them which are stacked.We did have MAC flapping errors, and our telecoms provider suggested that it maybe these causing the issues, however we have got rid of all MAC flap errors, and are still receiving voice break ups.
Because the Lan switches are the only "item" both calls share, I am wondering now if the setup of the switches is correct. [code]
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Jul 11, 2011
break the password of DELL PRECISION 390.
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May 8, 2013
We have a AP1252AG-A-K9. Everytime we load it up this is what we get (see below). I tried resetting the system ("mode" way) and it did not fix the issue. I tried to reinstall the IOS and it fixes everything up and the AP will work as normal but everytime I reset the modem I will get an error message below. [code]
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Jul 24, 2012
I have Cisco ASA 5510 series router which was handling by our one of our network admin who left without giving admin password. Now this is time to break the password . Since i don't know the admin password of the router , i don't how to handle few request. I am not a basically network admin guy to handle such things but i need to know how to break the password in order to do further requests. How to login router admin console without password or any chance to bring into default factory configuration.?
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Feb 14, 2013
I am trying to come up with a standard way to configure controllers for my field guys. I'd like to just have them paste in a config that has all the settings, like we use to be able to do on aIOS. I am not seeing away to break out of the wizard so that they can just paste in a config. Do you have to go through the wizard in order to get to a CLI ?
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Aug 30, 2012
In the near future I plan on updating all of my firewalls to 8.4, currently we're on a mix of 8.0 and 8.2. I've heard that if your equipment is on 8.2 there's an auto-conversion feature when upgrading to 8.3. However, I do not want to rely on that and am trying my hand at re-writing the NAT and ACLs myself. Attached is my pre 8.3 ASA 5510 config (santized) and a document that shows the particular sections pre 8.3 and what I think they should be after the upgrade.
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Jan 17, 2012
I have a Dell Latitude E6410 laptop that does not have a Serial port or a Break key on the keyboard. I have a Prolific PL2303 USB-to-Serial adapter which is installed and I can access the CLI ok with this setup via HyperTerminal.
My problem is that I am unable to break into ROMMON using the break sequence Ctrl + Break (as there is no break key). I have also tried TeraTerm with the break sequence of Alt + B.
Additionally, I have tried setting the baud rate to 2600 and pressing the space bar for 10 seconds to no avail.
when I may need to break into ROMMON.
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Oct 28, 2012
I have a 2514 Router that i have tried numerous times to access the break sequence and do a pwd reset, while connected to the console port.. How ever its whopping me good..
[code]....
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Mar 4, 2011
I have to used the comsats Internet modem and connect to three Access Point for using the wireless internet but when using the wireless internet then they occur the problem and breake the connection for few minute.
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Aug 8, 2012
A lightening strike hit us recently (last week) and fried electronics in the house. The next morning we didn't have internet on either our PC or Apple laptop. The modem wasn't doing its blinky green light dance. I used a multi-meter; the power supply was dead. I replaced it. It did its blinky dance. I turned everything on in order; turn everything off, turn the modem on and wait, turn the router on and wait, and turn on the PC and laptop. The good news was, the laptop got the internet, albeit much more slowly and intermittently than it used to. The PC got nothing. I've fumbled around with this for a week and can't fix it. I'm not sure if what's wrong is the router, modem, or something specific to the PC. Time Warner reported the internet is getting to my location (I called). They said the router was the problem and, consequently, not their problem. I tried connecting the laptop to the modem directly, leaving the router and PC unconnected. This works (I get the internet on the laptop, still). I tried connecting the PC to the modem and leaving the laptop and router unconnected. This *doesn't* work (I get no internet on the PC). Device manager shows that my ethernet card works. I tried sending a test packet to the modem. This also worked. Here's my ipconfig /all Microsoft Windows [Version 6.1.7600]
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Mar 16, 2012
I work at a public library, and our wireless network is controlled with a captive portal. I am using the app Tasker on my Verizon Galaxy Nexus (Android 4.0.3) to do things like automatically silence the phone when it connects to the wireless network. What I'm hoping to do is get it to also automatically authenticate with the captive portal. I know this is possible on a PC, but I'm not sure how to implement it with my phone. Takser allows for using HTTP GET of HTTP POST. With GET I have fields for "Server:Port", "Path", "Attributes", "Timeout", "Mime Type", and "Output File". For POST I have "Server:Port", "Path", "Data", "Timeout", "Content Type", and "Output File". Here is documentation about these two methods:
Quote:HTTP Get Send an HTTP GET request to a webserver.The response code is stored in %HTTPR. A response code of -1 indicates a problem making the request. Any returned data is stored in the variable %HTTPD if the content type is text-based (max 4K).
Example: running a script
Server:Port: [URL] [no port specified, use port 80]
Path: cgi-bin/palpable.pl
Attributes: [must be separated by newlines, no spaces please]
colour=pink
scent=rosy
[code]....
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Mar 8, 2012
I upgraded my computer with a new graphics card and power supply. When I turned it on everything ran fine except for the internet. I either get a connection with 1 bar, a connection but no internet acess, or no internet at all. Did I damage something on the motherboard that could cause this?
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Jun 16, 2013
I play the game with WiFi link with, however, less than 5 minutes to play will break why? All games are like that.
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Nov 8, 2012
My netbook keeps getting DNS Lookup Failure messages. This happens about every 20 minutes, give or take, though sometimes it can go longer before the failure. I can "solve" the problem by quickly repairing the network connection, but that's tedious. It happens only on my laptop and not on my housemate's desktop (wired connection) though he did say that it happens to him on his laptop as well. In looking around I thought the problem might be because i'm using Chrome, but it happens on Firefox and Opera as well.
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Jun 1, 2011
I have an ASA 5505 on a job. It is a smaller business that would have done better with an RV082, but they have what they have. It is running firmware 8.4. The client needed ports forwarded for their FTP server. The port range in this config is tcp 43333-43339. The FTP server ip is 192.168.1.2. [Code] ......
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Apr 23, 2013
I have a C2960-24TT-L Switch with the following problem:When the Power Cord is plugged in the Switch, all switch indicator LEDs go on very briefly. Then SYST LED blinks very briefly, goes on steady and remains at this state without any indication at the console.Tried the reset by holding the MODE button while plugging in power but I still get no indication at the console. All is fine with console, meaning that if I take out the cable and plug it in another switch, then I see all that there is there to be seen.My question: Is the switch beyond repair or is there something that can be done to get the switch to run POST and boot at rommon so that I can reload SW and configs?
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Feb 8, 2013
Lost my access points to controller. Not sure if it was related to upgrade from 7.1 to 7.2, or something else.
The console log on APs shows;
*Mar 1 00:01:09.394: %CAPWAP-3-ERRORLOG: Go join a capwap controller
*Jan 1 10:24:23.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 142.100.64.8 peer_port: 5246
*Jan 1 10:24:23.424: %DTLS-5-ALERT: Received FATAL : Certificate unknown alert from 142.100.64.8
*Jan 1 10:24:23.424: %CAPWAP-3-ERRORLOG: Bad certificate alert received from peer.
*Jan 1 10:24:23.424: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to 142.100.64.8:5246
*Jan 1 10:24:23.424: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 3 combination.
All 3500/3600 APs, had been in production for months.
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Mar 17, 2012
working config with least amount of code for:
IOS post 8.3
Subnet: 192.168.1.0 /24
Static NAT (from any source) to server 192.168.1.100 and allow the same incoming connections on outside interface
Ports:
TCP 20,21
TCP 80
UDP 50000-50020
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May 18, 2011
My internet connect works fine for hours at a time, then suddenly will get 7 or 8 General Failures while pinging (long enough to boot me off the net) then will be back to working fine immediately afterwards.Pinging 127.0.0.1 works fine. I've checked the firewall (Norton) and it has the default settings
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Aug 15, 2012
we have the following setup for our network :
UserNetwork - ASA5550 - WAN Router 2911 - ISP Netowrk - Branch Routers 877s / 1941s
Since last week we started noticing this problem that the branch users started to complain of slow application response.. After verifying it with the ISP and middle network we noticed that if i ping from my machine (ie usernetwork) to the WAN Router interface (facing the ASA) , i get time outs.. which is strange cause this is directly connected to it via ethernet cable.
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May 23, 2012
C3745-ENTSERVICESK9-M version 12.4(10b). ROM version 12.2(8r)T2.This router appears to be generating spurious fan failure alarms. The fan assembly has been changed for a new one, the engineer checked and was satisfied that in a physical functional sense the replacement fan assembly was definitely working, but we now have all 4 fans showing as failed. We are being told that the replacement unit is believed to be part of a batch of faulty fan assemblies and that it was a known Cisco issue.
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Apr 25, 2013
I have a site to site ipsec tunnel setup between an ASA5510 and a 2951 Router. The ASA 5510 is on a 10.x subnet with a few vlans behind it. There are also 7 other ASA5505 that connect to this box with ipsec.
The 2951 is on a 10.x subnet with multiple vlans behind it (10.x and 192.x subnets).
When I had ACL to allow traffic from 10.20.0.0 (ASA) to 192.168.111.0 (2951 - voice vlan) the connection comes online and is stable.
The minute I add any of the following, the connection drops off with Phase 2 errors: 10.20.0.0 to 10.1.200.0 10.20.1.0 to 10.1.1.0
I can add a second 10.20.0.0 to 192.168.10.0 with no problem at all. The issue only seems to occur when attempting to add traffic from 10 to 10 on the tunnel.
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May 11, 2011
I manage a VPN 300 concentrator which has been happily working for several years without any problems. All users are part of the same group and authenticate to an RSA server. We recently moved from RSA authentication manager 6.1 to RSA authentication manager 7.1. Everthing continued working fine for several weeks, then at the beginning of this week we started getting users intermittently failing to connect to the VPN. I'm not sure if this problem relates to our new RSA server, but we have other network devices which authenticate to it with no problem so I guess the problem is with the VPN concentrator itself.
When users fail they just get a generic "Reason 427 connection terminated by peer" error message. The live event log shows "group = vpn, status = Not-in-service" when their connection fails. Other times they connect normally and no error messages are displayed. There seems to be no real pattern, sometimes your connection fails but if you keep trying you will eventually get in [however it can take many attempts over an hour or two before you succeed, or you may get in straight away with no problem].
I dont believe its a network problem, as I have run continuous pings to the concentrator and the RSA server whilst users are experiencing these problems and there are no drops.
The RSA servers authentication monitor always shows that the user has successfully authenticated, whether the users connection actually succeeds or not. I am tempted to just reboot the concentrator, but we have site-to-site VPN tunnels connected off it and I'm a little concerned that if it is faulty it may not come back up at all.
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Jun 7, 2012
I'm looking for a way to monitor client authentication failures with our 3 standalone 1142N APs. I know that I can see failures under the log viewer of each AP
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May 23, 2012
After upgrade from ACE20 with A2(3.5) to ACE30 with A5(1.2) I get failures in a number of server farm's, where before upgrade the number was zero. No drops in VIP and logs from applications do not notice any new errors.
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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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Jul 27, 2011
Using AnyConnect Secure Mobility Client, logging into ASA5540. After I put my credentials in, I get the banner message (from group policies). After I accept that, I get another pop message stating:It looks like a pre-set message. Where can I disable and/or edit this message?
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Jun 5, 2012
I have a Cisco CBS3020-HPQ chassis switch running IOS 12.2.(25r)SEF3. One of the ports is in "disabled" state but when I try to unshut it, it doesn't work, the switch logs shows the following event:
%PLATFORM_ENV-3-LOOPBACK_PORT_POST_ERR: Gi0/1 can't be brought up because it failed POST in Loopback test
how do I resolve this, the port is unusable since I can not get it out "disabled" state.
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