Cisco :: Deleting Whole Crypto ISAKMP Setup / Policy?
Sep 27, 2012
Just looking at a new clients setup and they have a ISAKMP vpn to the old security company I am trying to remove...I am fairly new to cisco, I actually know how to setup the ISAKMP policies, acl's etc but never had to completely remove one before All I can find is Clear Commands which seem to just flush the config not actually delete any of the policy etc...Its not that urgent as all passwords are changed on the domain and the cisco, the usernames have been deleted as well.
#show crypto isakmp peers
Peer: ** Port: 500 Local: **
Phase1 id: **
#show crypto isakmp policy
Global IKE policy
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Apr 19, 2011
I have been looking around and I can not find the " crypto isakmp policy " command on this Cisco Router 1941. I just wanted to setup a regular IPSEC Lan to Lan tunnel and surprise, the command is not there. Do I have the wrong IOS? I thought that a K9 image would do the trick. [code]
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Jun 26, 2011
I have to connect one of our it labors with some ec2 instances in amazon vpc. I downloaded a configuration file from amazon which starts with the command
crypto isakmp policy 200
My router tells me that he does not know crypto isakmp.
I searched on the internet and found that i have to install a specific license, but unfortunately i cannot find which license i have to install.
The show license command show following licenses
AdvIpServices active
AdvSecurity active
advsecurity_npe, ios-ips-update, waas_Express no state displayed
ssl_vpn active but eula not accepted
I found that i can accept the eula license with license boot module c880-data technology-package SSL_VPN command
But this command is also not available on my device. getting the crypto isakmp command working?
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Aug 21, 2012
I have a Cisco 881 ISR (CISCO881-SEC-K9) and have the advanced security license installed and enabled/active and in use (see screenshot). However, the isakmp crypto module is not available.
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Feb 25, 2012
I have setup ipsec VPN in my C2811 router but when "show crypto isakmp/ipsec sa" shows nothing. Remote end point is an "ASA5520". Does it indicates that the remote ASA5520 not yet configured?
Code...
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Nov 24, 2012
i repalced old cisco router 2811 with new one 2921 , all works except crypto map VPNs routers can ping each other , ACLs are not applied to outbound interfaces show crypto isakmp sa is empty after i make same configuration on a new router 2921 config crypto isakmp policy 10
hash md5
authentication pre-share
crypto isakmp key key address Y.Y.Y.Y no-xauth
[code]...
keys match , crypto isakmp policy is same , IOSs supoort VPN .interess traffic alse been initiated from both side and all worker in old cisco router with same configuration?
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May 23, 2012
crypto map mapName 20 match address NAME_20_cryptomapcrypto map mapName 20 set peer IPADDRcrypto map mapName 20 set transform-set ESP-3DES-SHAcrypto map mapName interface IFNAMEcrypto isakmp identity addresscrypto isakmp enable IFNAMEcrypto isakmp policy 10authentication pre-shareencryption 3deshash md5group 2lifetime 86400crypto isakmp policy 30authentication pre-shareencryption 3deshash shagroup 2lifetime 86400crypto isakmp policy 50authentication pre-shareencryption aeshash shagroup 2lifetime 28800(code)
I need to be sure that when traffic matches access-list "NAME_40_cryptomap" Isakmp policy 50 are used. And then traffic matches "NAME_20_cryptomap" isakmp policy 10 are used. How do i link the crypto map with the specefic isakmp policy?
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Jul 26, 2011
I upgraded my Cisco asa from 7.2 to 8.4 system image. Now the old style syntax isakmp policy is not working anymore and I am not able to write a isakmp policy to being used for remote access VPN.
on many examples on Cisco site I have seen that it is always used Cisco any connect client installed on ASA. this means that the old configuration compatible with Cisco vpn client IPSEC is no more usable ? or what kind of syntax I have to use to configure remote access VPN ? for example these commands are not working anymore.
hostname(config)# isakmp policy 1 authentication pre-share
hostname(config)# isakmp policy 1 encryption 3des
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Apr 27, 2011
My company recently failed a PCI scan because our router was returning 56bit des encryption for isakmp negotiation on an existing default isakmp policy. How do I remove this default isakmp policy. I am not running 12.4(15)T1 so the no crypto isakmp policy default does not work. Is there any way other than upgrading the IOS?
Is there any way to configure a maximum number of isakmp policies that an authenticating router will check? I have 2 configured higher priority ISAKMP policies. Maybe if there is a command to limit the number of isakmp policies the router checks, that would eliminate this default policy being matched?
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Aug 8, 2011
im drawing a blank trying to setup a site to site connection with a 5505 ASA using ipsec and isakmp.i have the pre shared key as well as the external address of the other end of the tunnel but do not remember what the commands are to setup the crypto map and isakmp.
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Mar 18, 2013
I´m triing to setup a QoS policy on ASA 5515, i read several pages, but my questions are, how setup the real BW?, or is not necessary to do this?
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Jan 30, 2012
I am new to v5.3, and I am not good at VPN.I just have my consultant to configure this correctly just today. Currently, there is only one rule for the access policy (Single Result Selection). That rule is to use Active Directory as the source for the authentication. And by default will deny any other access which is not found in the rule.Now... I just got an order that I need to setup a new user who will need to access to our network by using Cisco IPSec VPN (the software one). But that user is not setup in our Active Directory, and we do not want him to access our domain anyway. He only needs to access non-domain resourse...such as airconditioning controller by IP. So I am thinking to setup his account by using "internal identtity". If I do this way, what do I need to do to setup another access policy? May you give me some steps with little more details? OR... if it is not the way I should do...what else can I do to achieve this goal? Also, he said he could provide his static IP trying to access from. I have a ASA 5520.
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Feb 3, 2012
Is 3DES on ISAKMP considered to be secured for your average site (other options are AES/DES)? I'd imagine AES should be much stronger but what about DES, is that considered adequate or broken? Is there any proof of concept attack against 3DES on ISAKMP (or ISAKMP in general)?
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Sep 13, 2011
I'm currently dealing with a weird problem on a Cisco RVS4000. I'm trying to connect to a IPSEC VPN Gateway (NETASQ) located on the LAN side of the RVS4000. I'm using Green bow vpn client on the WAN side of the RVS4000. Basically I'm trying to get through the RVS.My VPN config is OK because i tested it on the LAN side of the RVS.
The RVS is configured like this: NO VPN configured.
Block WAN Request :OFF
FIREWALL,IPS,DDOS are OFF
NAT forwarding on for UDP 500 and 4500 directed from the wan to the ip of the VPN gateway. Seems right because iv managed to do this with other routers (different brands) on another site.I've wire sharked my vpn client and i keep getting ICMP destination unreachable (PORT UNREACHABLE) after my ISAKMP launching packet.Can the RVS nat these ports ?
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Feb 14, 2012
I recently deleted some devices from LMS. Now, when I run a device credential report, I get the following for the devices that were deleted. Device has been deleted, or is not managed by LMS.
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Aug 18, 2012
cisco 878 configured to accept client vpn requests. From client prospective people get error 412 and they can't connect. Not sure what s wrong, following configuration and debug isakmp. Autentication is through a radius server.
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Aug 24, 2011
I was trying to erase my lab router 2600 and reset it back to the factory defaults. Well I was able to to reset it all right but I used the erase command which worked a little to well. So now there is no IOS and the router is in ROM mode and I didnt back up the pervious IOS "Nice". So was able to get an updated IOS for my 2600 but I'm trying to install it and don't know how. I was able to get a tftp server app for my windows pc but I'm unsure on how to configure it so I can transfer the new IOS to the router. On the up side I did learn something erasing and reset are to very different things.
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Dec 14, 2011
I have a couple of clients which are using the 3g modem to connect to ASA.The channel was sometimes "noisy" and therefore ipsec isakmp is doesn't work.Client losts vpn connection ,but on asa i can see it as connected(connection was in "freeze" state).
It's look like this :
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May 10, 2011
We have a PIX firewall 515E running version 6.3(4) and there are few site to site VPN's installed on it. We want to find out the isakmp key for those VPN tunnels. On ASA, We can run the command "more system..." and it displays the key, but it seems it doesn't work on the PIX 515E.
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Jun 29, 2011
I am currently experiencing an issue with an IPSEC Tunnel between a Cisco892-K9 (c890-universalk9-mz.124-22.YB.bin / Feature: advipservices) and a Checkpoint VSX R67.
After reloading the router the tunnel is stable, but afterwards we loose the connection to the LAN unexpectidly (max. time of the connexion is ~2h30).
In fact after a reload the first ISAKMP SA is well negotiated with conn-id 2001 and after a certain amout of time the connexion is lost always associated with this debug message =>
ISAKMP:(2001):error from epa_ikmp_gen_ipsec (QM_IDLE )
ISAKMP:(2001):Unable to generate IPsec key for 799280698!
ISAKMP:(2001):deleting SA reason "Death by retransmission P2" state (I) QM_IDLE (peer 194.X.X.X)
and so on ....
We supposed it was related to DPD messages so we deactivated the keepalive (no crypto isakp keepalive). We tried to play also with the ACL matching the crypto map (currently from local subnets to any), but still no luck.
When it is stable the ‘show crypto isakmp sa’ indicates a isakmp sa ‘QM_IDLE / ACTIVE), and when the problem occurs the active ISAKMP SA is deleted and recreated (in ACTIVE state) continuously : conn-id 2001, 2002, 2003, 2004 etc...…but still no access to the LAN.
My main question is to know if someone has already know the signification of the previous ISAKMP debug messages (along with the total debug message + crypto conf from the beginning of the problem) =>May it be a platform support (near 200 ipsec flow in use => most subnet to subnet flow, few subnet to host flows- 200 users on site) , compatiblity, crypto map acl …???
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Apr 22, 2012
I am trying to set up a site to site VPN tunnel using GRE over IPSEC. Below is the configuration from both routers and debug output. I'm scratching my head on this one. I'm using two Cisco 7600 routers with SSC-400 SPA modules and 720 Supervisors. The IOS on R1 is 12.2 SXI2 and R2 has 12.2 SXI3.
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Jun 8, 2011
How do I delete a file using command prompt from one computer to another....
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Dec 5, 2012
I would like to know how to delete a connection from my network. When I connect to the Wii it automatically chooses the right connection. What I have noticed though is that there is a third connection for a printer that is not secured and I have no idea why it is there or has an option to connect to the internet.
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Mar 14, 2013
A bit of a Catch-22 here: I am trying to delete VPN Group Policies but receive the error message that the policy is in use by a particular Connection Profile. When I try to delete the Connection Profile I receive the message that it is in use by a VPN Group Policy..
What else is there to delete or do I have to use the CLI?
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Jan 11, 2012
I'm running a IPSec VPN between a 5520 ASA and a 2811 router. The ASA has a static IP and the router has a DHCP interface.The VPN seems to work fine once I get done clearing old SAs, but each new IPSEC SA creates a new ISAKMP SA on the router? There are multiple subnets that need to create multiple IPSEC SAs. Eventually I can clear the older ISAKMP SAs and get all the traffic on one ISAKMP SA, but until I clear older SAs, new associations won't form. Why the router (initiator) would keep creating new ISAKMP SAs and not use an established one? Using PSK, aggressive mode and no PFS. ASA has another dynamic crypto map with lower priority than this one. Using FQDN for identity on the router. ASA version 8.2(5) and IOS is 12.4(20)T1.
Must be something I'm not understanding. The ASA says no established SA and drops the new SA attempt until I clear older ISAKMP SAs out of the router. Interesting, the first few IPSec SAs form when the tunnel initially comes up. I assume the initial requests are getting cached and work immediately after the first ISAKMP SA forms, but subsequent IPSec SA attempts will fail. Once all subnets are talking with 1 ISAKMP SA, rekeys don't cause any problems. Since the router subnets have to instantiate the new IPSec SAs, this is a real pain to go through anytime the WAN/VPN fails.
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Mar 24, 2011
We have configuration of Etherchannel in Cisco 6509 connecting to Cisco 6513 switch, both running on CatOS. This is a group of 8 ports in 6509, due to some reasons one port in Etherchannel group went bad. I have disabled that bad port now. Now I have to delete that bad port from etherchannel group (First task) and add a new port to the group ( 2nd task). I have tried many cisco documents to completely delete the etherchannel port, but no use.
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Sep 18, 2012
We have recently purchased new Sup2T to replace the Sup720. When we tried to copy the vlan.dat file across we are facing this issue. Sup2T is not booting up once delete the original vlan.dat file of the Sup2T & reload. Here is the console output during the process. What to do to get this Sup2T working.
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Oct 29, 2011
I have downloaded material to a site many years ago and now that site appears first when my name is typed at Google Search. The problem is that I've written many e-mails to the site manager and he is not answering. Is there any way to delete this site from my Google search?
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Apr 27, 2013
I recently deleted an account off of my computer, it was just the account I didn't use that had no password, it was not the admin or administrator account. So I deleted it, and went to bed, I woke up the next day and my computer was just finishing installing an update, after it restarted my internet does not work and it has the yellow caution triangle over top. I troubleshooted, and got the message "windows could not automatically detect proxy settings"When I open network and sharing center it would say "identifying" forever and not identify I guess.The weird thing is, my sisters computer and my old computer can connect to the internet fine. I tried bringing my computer next to the router/modem(not sure of the difference) and i plugged the ethernet cord directly into the modem/router into my computer, and it's the same thing. The most annoying thing is that i cannot do a system restore as i have not set it up before hand.(yes i know that is a very novice mistake
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Jun 14, 2011
I am seeing old entries of phantom folders in My Network Places in Windows 7. In XP you could just delete them, but there is no selection for this in Windows 7. How to delete them?
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Aug 16, 2012
I have a wrt610n that I've used for years with no problem. The usb drive I've had plugged into it has worked great for a really long time, but it's fairly small. I bought a WD 1TB hard drive, formatted it with the router set everything up. after about a day I tried to upload a file from work and got an error, and it wiped the harddrive clean. I reloaded thinking it was a fluke and everything worked fine for about a month. Uploading and downloading worked fine from where ever I was at, on the local network or over the internet. Then I tried to upload a small file, got the error and all of my files were gone again.
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Jan 14, 2013
I've got the Cisco E4200 v1 firmware 1.0.04I hooked an usb 2.0 enclosure to it running a WD red "NASware" 1TB drive to it.The drive works just fine, brand new, silent, runs cool enough. I'm not saying it's a super-drive, just not complaining of anything.I started using it as a backup drive. File disappear randomly.Gigabytes of files deleted. No power outages nothing happened, the Router is 24-7 on connected to a UPS. So it is the drive, it was never shut off since connected the drive, about a month ago. It only shares connection among a couple desktop PCs a couple laptops a network printer and a couple smartphones, all updated, all clean that is no virus or anythingI removed the drive from the router and plugged it in the computer.Files were there,even though the files in the root were not all there, it must have crashed during the last modifications, although it's bad, and it's also bad that it does not give you a single sign it has crashed.
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Apr 3, 2012
I am looking for ways to avoid deleting files from the flash in a Switch 2960, I found some scripts TCL / EEM but this switch does not support EEM (IOS c2960-lanbasek9-mz.122-58.SE2.bin).
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