Cisco VPN :: ASA 5505 - IPsec Through Link With Low Percentage Of Errors
Aug 21, 2012
On one side of IPsec tunnel is ASA 5505 and on other side of IPsec is C1841 sec K9. On ASA side I have optical link which is error free and on other side of IP sec I have wireless point-to-point link which sometimes have error on wireless part.
When error occurs on radio link, IPsec tunnel stop forwarding traffic. When I do show crypto isakmp sa on C1841 I see that IPsec is created, but traffic is not forwarding. Only clear crypto sa comand on C1841 works for me to rebuilt the tunnel.
Any similar issue with IPsec on error link between router and ASA and how to solve it?
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Sep 13, 2011
I have a AIR-AP1121G-A-K9 running c1100-k9w7-tar.123-7.JA2 (Autonomous)We have monitoring setup with Orion NPM and we consistently see output errors, Transmit discards and big buffer errors The users at the site have not reporting any issues but was wondering how to prevent these or are these normal?What causes the output errors on Wireless Radio ? How to troubleshoot further ?
Radio0-802.11G
Total Output Errors 0 47749
Small Buffer Misses
4 misses
139 misses
[code]....
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Jan 25, 2012
I have just noticed that my Cisco ASA 5510 cpu utilization increasing upto 30-35 % and when i issue sh processes cpu-usage, i have found dispatch unit occupied most of utilization.
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Aug 3, 2011
I'm using a stack of four SGE2000P switches for a PoE video camera system. I've got the cameras in a VLAN and everything's working fine.
I'm wondering, though, is there a way to find out what data rate the stack interfaces are working at (since it's going over cable infrastructure we put in ourselves), and also what percentage of that bandwidth is being used? I don't see anyway to get to those interfaces from the main page, and I wasn't able to find a way to do any sort of percentage thing even on a regular interface.
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Jul 15, 2012
I'm trying wrap my head around bandwidth guarantee for nested maps. I tried adding a new class to two of my policy-maps today, and got this error: 3945E-1(config-pmap-c)#bandwidth 3000 Insufficient bandwidth 3000 kbps for the bandwidth guarantee
I'm not sure how it knows that with the nested maps and how it's computed. I have a 100mb WAN connectin going to 19 branches. I have a class-map that identifies traffic to the individual branch and within that class, a policy-map is applied to prioritize voice over video etc.
Here's the QoS setup:
class-map Branch1-Policy
match access-group branch-1-acl
*
*
[code]....
I was adding the Video-Conf class to both Traffic-6calls and Traffic-10calls when I got the above error. How would that percentage be calculated? I know by default i can only reserve up to 75% of interface bandwidth. The platform is 3945E running 15.1(3)
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Dec 26, 2012
I've had two 932Ls for a year and they work fine. Both installed trouble-free and have been used with motion-detection wirelessly. I often go straight to their local IPs in my browser to make any changes to settings etc (avoiding myDlink). I just bought two 930Ls (don't need/want the IR-function on these) and tried to install them. Process went seemingly smooth but once the camera was installed and wireless, problems started to crop up. As I saved settings in the web interface, I would get 404 "page not found" errors. Refreshing would make it work again...sometimes. More often than not, I cannot reach it through the web interface and the camera reads "disconnected" in D-ViewCam. It usually works on myDlink though. i've checked all the network and wireless settings and they are identical to my 932Ls. The connection is just unstable for some reason. The problems are apparent in the web interface and D-ViewCam which also means I can't trust the motion detection and emailing function. It is also NOT visible in my Windows 7 network environment, whereas the two 932Ls (and my entire Sonos network) do show up there.The 930L is running firmware 1.04 and the 932Ls are running 1.02. I know there is a 1.06 available but before I try that I'd like to get your views on this problem. Could it be a faulty unit? I don't want to fight through this problems - if it persists I'd rather return the cameras and buy two more expensive 932Ls and just turn off the IR in the interface. Or is this a known issue with the 1.04 firmware?
Even writing this right now, the camera suddenly popped back up on the web interface inexplicably, without me doing anything. and back up on D-View Main Console.
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Feb 22, 2012
I would like to know if there's a way to show Current-Utilization percentage within the messages generated by the Fault Management Module in LMS 4.0 [code] As you can see above CurrentUtilization percentage is not shown in Event Description section.
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Feb 16, 2013
Region : Poland
Model : TD-W8951ND
Hardware Version : V5
Firmware Version : 5.0.0 Build 120522 Rel.23978
ISP : Orange/TPSA
On my router TD-W8951ND constantly there are the same type errors, while using computer conected to the router:
Code:
2/16/2013 17:24:8> netMakeChannDial: err=-3000 rn_p=80544b08
2/16/2013 17:24:13> Last errorlog repeat 2 Times
[Code].....
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May 29, 2011
We have Cisco ASA 5505 and an internal user (behind NAT) needs to connect via VPN to an external company. I just cannot get this to work. I have enabled IPsec Pass Through from ASDM Configuration --> Firewall --> Service Policy Rules --> Edit Service Policy Rule --> Rule Actions --> tapped IPsec Pass Through I have tried to find some info from the log but all i get is this message: IP = [remote gateway ip] Invalid Packet Detected!"I cant find anything that is blocked from the log.
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Mar 9, 2011
On an ASA 5505 with the proper licenses running version 8.3, which would you consider the more resource intensive for the ASA, IPSec VPN or an SSL VPN with a portal?
The connections through the firewall would be the same so I am curious how adding the different types of VPN will affect the CPU and overall ability of the ASA to function.
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May 2, 2012
I am trying to replace a 1751 IPSec VPN that connects a single LAN behind the 1751 to ~45 remote networks behind a single peer. There are a small number of workstations (~50) and low throughput (< 1MBps) across this VPN, the biggest trouble is the number of remote networks needed.
I have tried to connect an ASA5505 Security Plus in place of the 1751 and am able to get Phase 1 and Phase 2 up, except I don't get all of my ipsec sa's and can only pass traffic to some of the remote networks. Does the 25 IPSec limit apply to multiple sa's one one peer, I've only ever seen it spoken of as a 25 peer limit?
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May 6, 2012
I have setup a ASA and everything but ipsec seems to be working. I was able to use the clientless ssl but I need ipsec working. I'm at a loss. config is a little sloppy and i will be cleaning it up but would like to get this working first.
Cisco Systems VPN Client Version 5.0.07.0290
Copyright (C) 1998-2010 Cisco Systems, Inc. All Rights Reserved.
Client Type(s): Windows, WinNT
[Code].....
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Oct 3, 2011
I have Cisco ASA 5505 and i want to create vpn remote access ...l
so i created and connected to the vpn ...my problem is to reach my Local connection of 192.168.1.0 /24 i put the WAN Connection in the FA0/0 and put my LOCAL AREA CONNECITON into FA0/1 .. so how i can route or translate my connection , and using cisco ASDM 6.1 in GUI ,,,
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May 23, 2011
I am trying to configure a Cisco ASA 5505 for Remote Clients.I am using ASDM interface and used the startup and ipsec wizards for my configuration but im hitting a stumbling block.For the last 2 days i have tried a number of configuration changes in attempt to make this work but failed, so i have done a factory reset and gone through the wizards again, so i have a clean configuration. Currently i have a Static Public IP Address 81.137.x.x and i am using a Netgear ADSL router, which is forwarding VPN traffic (UDP 500) to 192.168.171.35 (the wan port on the ASA 5505).The Cisco ASA has a default address of 192.168.1.1 I am using Cisco Client 5.0.06.0160.I have configured the client to use Group Authentication with the same credentials as setup through the wizard and im using Transparent Tunneling IPSec over UDP.I have attached 2 documents running_config.txt - which is shows the current ASA configuration Log-View.txt - showing error messages displayed in the real-time log viewer when i try to connect from the remote client.Im not sure whether i need to do any additional configurations for my setup other than simply run the wizards.
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Mar 19, 2013
I am trying to configure an IPSEC vpn on an ASA5505 I setup an SSL vpn and it works fine, I can browse to the https: address log in and connnect to servers However when I try to setup the ipsec client access vpn it will not connect and I am getting the errors below I used the wizard for the initial configuration Looks like the inital IKE is being blocked or dropped?
%ASA-7-710005: UDP request discarded from my external IP/35781 to external:ASA-external/500
%ASA-7-710005: UDP request discarded from my external IP/35781 to external:ASA-external/137
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Aug 22, 2011
I´m getting a dynamic public IP from my provider and what I´m trying to do is to establish a remote vpn tunnnel using IPSec which I achieve but every time the sessions resets or the ASA 5505 resets I get a new public IP and I need to put the new IP on the remote client so I can establish the vpn... How can I establish an ipsec vpn using DNS? For this scenario the remote vpn client is a vpn phone but it could be for any vpn client.
Private IP Public IP Private IP
PBX ---- (LAN) ---- ASA 5505 ---( Internet ) --- Remote Site ( Router ) --- (LAN) -- VPN Phone
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May 7, 2012
I have a site to site IPSec tunnel setup and operational but periodically the remote site goes down, because of a somewhat reliable internet connection. The only way to get the tunnel to re-establish is to go to the remote site and simply issue a ping from a workstation on the remote network. We were having this same issue with a Cisco PIX 506E but decided to upgrade the hardware and see if that resolve the issue. It ran for well over a year and our assumtions was that the issue was resolved. I was looking in the direction of the security-association lifetime but if we power cycle the unit, I would expect that it would kill the SA but even after power cycling, the VPN does not come up automatically.
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Mar 2, 2012
Got some issues when setting up IPSEC/VPN on the asa 5505. I want to connect from the ipad with the built in IPSec client..Get errors when i run the debug crypto isakmp
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Dec 14, 2012
I would like to know if I have only using IKEV2 to connect site to site VPN with Cisco 5505 device to connect few site. Which encryption method is better to choose with faster and stable IPsec encryption proposal,AES256, AES192, AES, 3DES, DES ?? which one is the best in IKEV2 site to site VPN tunnel?
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Nov 18, 2011
I configured an IPSec VPN tunnel between two ASA 5505 firewalls. I would like to make sure that the IPSec tunnel (hence the security association) is permanent and do not drop due to idle condition.
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Apr 5, 2012
I just made a VPN on my ASA 5505 at home, I can connect successfully to it, but I can't contact anything in the network, nothing respond to ping or to anything else (include the ASA inside IP).
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Sep 5, 2011
I have two sites with identical asa 5505's and each has the dual wan/ISP links and are set for failover using sla monitor tracking. I would like to create a vpn between these two sites that stays active regardless of which ISP link is online. Do I simply make two crytpo map statements10 and a 20 inside each of the asa's to each of the other ASA's STATIC PUBLIC IP's? [code]
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Mar 19, 2011
I have a Site to Site IPSEC VPN Tunnel created with ASDM wizard.
Cisco ASA-5505
Peer A: x.x.x.x
Lan A: 192.168.0.0 255.255.255.0
Fortinet FortiGate-50b
Peer B: y.y.y.y
Lan B: 192.168.23.0 255.255.255.0
I start traffic from LAN B with a ping (or telnet it doesn't matter) that receive no reply but tunnel goes up fine.
"show isakmp sa" seems ok (says "State : MM_ACTIVE")
"show ipsec sa" seems ok but all #pkts are zero
try ftp, telnet from LAN B to LAN A systems but no one work. "show ipsec sa" all #pkts are zero As soon as I generate traffic from LAN A to LAN B these works (with tunnel already up) also traffic from LAN B to LAN A works.Obviously if I end VPN and start tunnel making traffic from LAN A all work fine bidirectionally, LAN A reach LAN B and LAN B reach LAN A.No msg logged in either two appliance.
Seems a very strange problem because seems not related to Phase1 or Phase2 already established.Traffic (routing ?) start works only after at least one packet goes from LAN A to LAN B.No msg logged in either two appliance.Problems begun in ASA version 8.0(4) ASDM version 6.1(3) and remain/continue after upgrade to ASA Version 8.4(1) ASDM version 6.4(1).
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Aug 3, 2011
I'm trying to connect two ASA 5505s for a IPSec L2L VPN. They can connect, but not pass traffic from the AnyConnect subnet. I've added the config from ASA-2, with the LAN subnet of 192.168.138.0 and a subnet of 192.168.238.0 for AnyConnect client.
I'm trying to get the AnyConnect Clients access to the 192.168.137.0 LAN behind ASA-1 at 1.1.1.1. Having both 192.168.238.0 and 192.168.138.0 both access 192.168.137.0 is acceptable.
There's probably a lot of cruft in this config, as I've been reading all over forums and docs without much success.
:
ASA Version 8.2(1)
!
hostname asa-wal
names
name 192.168.238.0 anyconnect-vpn
!
interface Vlan1
nameif inside
[code]....
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Feb 10, 2011
Having a problem getting an ipsec tunnel to work between 2 asa 5505. This in one of the two configs.
Result of the command: "show run"
: Saved:ASA Version 8.3(2) !hostname 20Pullmandomain-name skeincenable password IKxxneNMTRgDw/Xd encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Vlan1nameif insidesecurity-level 100ip address 172.16.1.70 255.255.255.0 !interface Vlan2nameif outsidesecurity-level 0ip [Code]...
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Sep 27, 2012
A customer has a 5505. According to the datasheet the limit of IPSEC sessions is 25 and the limit of anyconnect sessions is 25. Does that mean I can have 25 IPSEC tunnels and 25 Anyconnect tunnels at the same time? The customer needs at least 50 concurrent tunnels on his ASA. Am I understanding it correctly?
I was thinking the customer could pay for the anyconnect essentials license and connect his anyconnect clients to the ASA. Is that a good option to get the 50 concurrent clients connected?
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May 12, 2013
I'm having trouble setting up a second IPSec VPN tunnel on my Cisco ASA 5505 to another office. I was able to setup the first one with no problem through the ASDM, but have not been able to get the second one up.The IPSec tunnel is connecting to a WRVS4400N router at the other office. I tried debugging crypto isakmp, and crypto ipsec, but I'm getting nothing. Below is the config. Does something look wrong on my end? I also attached a screenshot of the parameters setup on the remote router.
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Jan 27, 2013
Got some issues when setting up IPSEC/VPN on the asa 5505. I want to connect from the ipad with the built in IPSec client..Get these errors when i run the debug crypto isakmp.
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Jun 19, 2012
I have 2 ipsec tunnel active on ASA5505 (secplus license).I would like to activate sslvpn also. Is it possible or there are issues in keeping active both services?
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Dec 20, 2011
I have difficulties with configuring Remote IPSec VPN with Cisco ASA 5505 and Windows 7 native VPN client. My client PC gets VPN pool IP address, and can access remote network behind ASA, but then I lose my internet connectivity. I have read that this should be an issue with split tunneling, but I did as it is told here and no luck.On Windows VPN Client settings, if I uncheck "use default gateway on remote network" I have internet connectivity (since client is using local gateway), but then, I cannot ping remote network.In log, I see this warnings of this type:Teardown TCP connection 256 for outside:192.168.150.1/49562 to outside:213.199.181.90/80 duration 0:00:00 bytes 0 Flow is a loopback (cisco)I have attached my configuration file (without split-tunneling configuration I tried). If you need additional logs I'll send them right away.
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Sep 13, 2012
We currently have 2 different ASA 5505 connect to our ASA5510. We want to VPN connect the 2 5505's to each other while still mantaining connection to our 5520. I have attached pdf of what we have. What we want is to connect traffic between the two 5505's so that devices in either location can talk to each other while still mantainig connection to the 5510.
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Feb 8, 2012
I want to configurate cisco ipsec vpn client at asa 5505. At my asa the software version is 8.4. Any link or some material to config ipsec vpn client at asa 5505 version 8.4.
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May 6, 2013
I have an ASA5505 with 8.4 software used on a business DSL account.This means I am running PPPoE session to the provider and am then given an Inside Global subnet /29.I have various servers NATed to specific IP's then have the DHCP users NAT with overload to another of my inside global addresses. When I try to establish an IPSEC tunnel to any of my inside globals and monitor I get an access denied message but there is nothing that is blocking.If I determine my PPPoE IP address I am able to extablish a IPSEC session to that but cannot exchange traffic. Not that I want to use that IP anyway because that PPPoE Session IP changes and only my inside globals are static.I spent several hours on this and cannot put my finger on it. Do I need to allow VPN to the INSIDE interface?
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