Cisco VPN :: VPN PIX 515E Which Isakmp Policy Are Applied
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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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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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
[code]...
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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
[code]...
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Nov 30, 2011
I encountered this problem with cisco 870 atm interface. I applied service-policy output, its being accepted but when you do a show run interface, it's not there.
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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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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 16, 2012
How to check applied group policy on the domain clients
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Aug 22, 2011
I need to redo the configuration on the new one?
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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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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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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.
[code]....
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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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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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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 :
[code]...
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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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Feb 19, 2013
I have a issue where after configuring aaa and rebooting, logging into the console port seems to be auto trying something before it finally times out and let's the user try. I getting the following sequence: [code] I need aaa to work via vty, however I need the device to boot directly to the Username: prompt so I can continue to use my VB script to clear the config when the devices are return from the field.
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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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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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Oct 18, 2011
I would like to find out if security plus license ASA-5505-sec-pl be applied to ASA5505-K8. I think the strength of encryption should not be determining whether additional feature can be applied or not, but I need to confirm with you people..
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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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Aug 1, 2012
I get that to avoid fragmenting the packets we need to reduce the MTU to 1492, fine, but should the MTU restriction be applied at the virtual-template (server)/dialer (client) or on the physical ethernet interfaces?If I apply it to one or the other, which takes precedence? Should I just apply it to both the virtual/dialer interfaces and the ethernet interfaces?
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Dec 12, 2012
I have a cisco 887 connected as temp measure to a 3g device via a fast0 port. all works fine. VPN comes up...but the moment i apply the crypto map to the vlan.. DHCP stops allocating ip address. I have remove irrelevant config ( dialer, atm etc as they not been used)
config below
p dhcp excluded-address 10.29.80.253 10.29.80.254
ip dhcp excluded-address 10.29.80.1 10.29.80.229
!
[Code]......
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Apr 7, 2013
I have a cisco ISE 3355 and WLC 5508 and microsoft Active Directory 2008. I joind the ISE to the ADe successfully and I can see all groups on the AD, also I integrated the ISE with the WLC. my problem is when I created the Authentication policy on the ISE and joined to the AP by the PC nothing applied to the PC.
WLC version 7.4
ISE version 1.1.1.268
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Aug 11, 2012
my client insisting to set a dscp value of 56 (= CS7 , the highest priority) for their video packet without any bandwith restriction in the input of fast ethernet port and PPP Multilink serial output port of the 7513 router. What will be the outcome at time of video streaming and video conference ? As this dscp value CS7 is the highest priority and reserved for network only.we are using ospf routing (some of the network is connected through this multilink port via ospf routing), also this ethernet is connected to various statice routed ip network via cisco asa and cisco 4507. The keep alive ospf neighbor router will be lost or not?
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Aug 23, 2011
I have a connection between HQ and Branch which connected by GRE tunnel over IPSec. I use Cisco router 3745 that has IOS version: 12.3(18) and Cisco router 2911 that has IOS version : 15.0(1r)M9 with ipbase, security and data license.
I tried to apply command to both routers as follows:
Cisco 3745 (HQ)
crypto isakmp key test address 10.1.1.2
crypto isakmp keepalive 60
crypto ipsec transform-set myset esp-3des esp-md5-hmac
crypto map vpn01 local-address Loopback0
[code]....
When I appied this command that will show a notification as below:
NOTE: crypto map is configured on tunnel interface. Currently only GDOI crypto map is supported on tunnel interface.
*** After appied this command, I cannot ping or send any traffic to HQ. ***
I use this command that is working normally on Cisco router 3745 that has IOS version: 12.3(18) and Cisco router 2811 that has IOS version : 12.4(7b).
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May 12, 2012
it seems that users with active device authorization - e.g. permitting only a certain user defined group - can anyway view all devices or views?Is it possible to apply the same view rule from user management, so that these users can only view certain devices or topologies?
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Oct 4, 2011
In earlier versions of LMS it was possible to choose i.e. the Routers category (top level) and enter a series of commands to be excluded from the comparison. In LMS 4.0.1 I experience, in several different installations, that this is not possible. It seems I can enter one exclude command beyond the defaults per category, the rest is not applied even though the feedback from the application is positive. Next time I access the Exclude Commands view, the commands I entered are gone. Is this a change of behaviour or a bug?
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Jan 17, 2012
So there are two VLAN's traveling over the port attached to the controller (User vlan 100, and Guest vlan 102). I need to block the guest from everything but the internet allowing the free flow of everything else on the User vlan. All info sanitized of course.I think I have the ACL's correct for what I am trying to accomplish I just can not get this ACL to work on a trunk port.Confirmed the ACL to work correctly on access ports however.
ip access-list extended Wireless
permit ip 172.100.0.0 0.0.255.255 any
permit udp any any eq bootpc
permit udp any any eq bootps
permit udp any any eq domain[code].....
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Feb 10, 2010
I am having ASA firewall 5520. I want to block yahoo mail, gmail using regex for particular users only.
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May 31, 2012
I need to Upgrade my NCS to version 1.1.0.58. Actually my NCS is in the version 1.0.1.4 and i have a lot of templates configured and 1500 Access Points applied.
I have 5 WLCs and will do too the upgrade in the WLCs to version 7.2.130.0.
Will I lose some configuration with these upgrades ? Because the version 1.1.0.58 has more features than version 1.0.1.4 in the NCS and the WLC was adjusted some bugs.
The configurations that i has in the NCS version 1.0.1.4 is H-REAP and in the version 1.1.0.58 will be the FlexConnect, theoretically is the same, but i don't know if the configuration is the same in the two versions.
Can i do a downgrade in the NCS from version 1.1.0.58 to 1.0.1.4 if i have problems ? I was looking for a document who show how can i do this, but i didn't find nothing about.
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Feb 12, 2011
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