Cisco VPN :: Traffic Between Remote Sites Over 2921 Easy VPN
Oct 23, 2012
We have a Cisco 2921 router at the head office (Easy VPN Server) and been deploying Cisco 887VA (EasyVPN remote - Network Extension) for remote offices using EasyVPN. We are allowing Voice and Data traffic over VPN. Everything has been working great until this issue was discovered today:
When a remote user behind Cisco 887VA calls another remote user also behind Cisco 887VA, the call connects and Avaya IP phone rings but no voice in either direction.
Calls to/from head office and external mobiles/landlines are fine. Only calls between two remote sites are affected. As there is no need for DATA connection between Remote office, our only concern is Voice support.
I think "hair-pinning" of traffic over VPN interface is needed. (Examples configs etc).
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Apr 27, 2011
A user with Easy VPN client connects to a 876 ISR (router A). This router also has a site-to-site VPN to another 876 ISR (router B). What I want to achieve is that the user dials in to router A and can access the network on the remote end of the site-to-site tunnel (router B) In diagram:
user (192.168.18.x) - Easy VPN - Router A (192.168.16.x) - sitetosite - Router B (192.168.17.x)
I have added routes in router B to the 192.168.18.x network with router A as next hop, but I can't reach the other segment.
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Mar 24, 2011
We a remote user set up with a Cisco 877W that connects into a ASA5510 using EasyVPN (remote user has dynamic external IP)
The home setup also has a physical Cisco VOIP phone that connects into a Call Manager Express system over the VPN. The home user cannot hear the other end properly and voice is breaking up when using office apps on the VPN link at the same time (Outlook etc),
We continue to hear his voice OK when he is having these problems hearing us, so I guess the upload of voice from the 877 is fine and not struggling with congestion, so I have not put Qos Policies on the 877 as I guess it can only control what it is sending out and this is already working OK. Therefore its the 877 downloading from the ASA that seems to be the issue, voice is not getting prioritised when other traffic is getting sent down the same vpn link.
I have set up the following QoS policy on the ASA for this link so Voice traffic is prioritized, but the issue still occurs so I guess it doesn't work,
class-map HomeUser match dscp ef match tunnel-group ezvpngroup
policy-map VPNQOS class HomeUser priority
service-policy VPNQOS interface OUTSIDE
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May 25, 2011
I have set up two ASA 5505's (lets call them ASA1 and ASA2) with site to site VPN configuration and i've encountered two problems with my setup.ASA1 has IP 192.168.1.254 on the inside interface and is connects ASA2. It's also an Easy VPN Server for external users to connect through Easy VPN Client.ASA2 has IP 192.168.11.1 on the inside interface and connects to ASA1 Problem #1 None of the ASA's can ping eachothers inside LAN IP address. Computers behind the ASA's are unable to ping the remote ASA's inside IP address. My guess is that this has to do with either NAT or built in security.Problem #2. The Easy VPN clients which connects to ASA1 are unable to access the LAN behind ASA2.
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Feb 21, 2013
I recently upgraded our head end ASA5510 at our datacenter from 8.2.1 to 8.4.5. The ASDM was also upgraded from 6.2.1 to 7.1.(1)52. Under the old code, a remote ASA5505 connected via Easy VPN Remote showed 1 IPsec tunnel. However, after the upgrade, it shows 42 sessions. It would seem to me that each split tunnel network defined in the Easy VPN profile is being counted as a tunnel. Is it possible that I may have something misconfigured now that the code is upgraded?
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Nov 7, 2012
I would like to know if there is a possibility to create 2 Remote access VPNs for 2 ASA situated in different sites and using only one PCF file.Is set up a tunnel between the 2 ASA the only way to reach the 2 destinations with the same PCF file?
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Feb 25, 2011
I'm looking to put together a solution for a customer that wants to "bridge" between their current office and a new office space they have rented. I know how to set up a site-to-site VPN between two sites with different private IP ranges. For example, site A is 192.168.1.0/24 and site B is 192.168.2.0/24. But is it possible to make both sites appear as a single IP block? This way, systems could be moved one by one without renumbering.I am guessing there might be a way to tunnel the layer 2 traffic and make it work, but I am concerned about broadcast services being broken. I am using non-cisco platforms so I am just looking for pointers on the protocols that might be used so I can do further research.
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Feb 18, 2013
We have Cisco Router 2921 in our branches. We need to get statistic about traffic patterns per month with per IP
1) Does NME NAM module provide this features?
2) For what period can name store traffic statistics?3) If yes, does Web-interface support russian language?
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Apr 22, 2013
OK, I have a 2921 on 15.3-2T. ZBFW is working from the inside to the outside, but the DMZ is not being blocked at all to the inside. I am currently running with subinterfaces. All interfaces have zones attached. I have policies from inside to outside and DMZ to outside, those work fine. Without any policy from DMZ to inside, it can pass traffic freely from DMZ to inside. I have tried making an explicit policy to drop all to inside, still passes. I ended up just having to put an ACL on the interface
I already tried upgrading the IOS, that is how I ended up on the newest version. This is connected to a 2960S with a trunk port. Everything else works perfectly except for the DMZ security. I haven't had time to try to lab it up yet, but wanted to see if any reasons this shouldn't work, as all documentation says it should drop all traffic unless you make a policy to pass traffic.
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Nov 10, 2011
We have a Main ASA 5520 and two remote site ASA 5505's that connect to each other via S2S VPN tunnels. Currently they are doing split tunneling, so only local traffic goes over the tunnel. We have are local LAN (10.0.0.0/16) and our DMZ (10.3.0.0/24) network at the main site. The DMZ hosts our external sharepoint, but we have access to it internally The problem is site A (10.1.0.0/24) and site B (10.2.0.0/24) have no idea of it, and when attempting to go to the site, it fails. You can access it via the external site address, but that's the only way. Normally the external address is blocked when you are internal.What i'm stuck at is even when we had all traffic sent from Site A to our main hub, it still wouldn't find it. Would i have to make a separate vpn tunnel purely for that DMZ traffic?
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Nov 15, 2012
I have inherited a sbs 2008 network where they have a SBS2008 server and Server2008 running as a terminal sever at the main office and they have 2 satellite offices. These offices all connect through router to router vpn tunnels. The main site is on 10.0.0 and dhcp is done by the sbs. Satellite site a is on 10.0.10 and dhcp is done by the vpn router and Satellite site b is on 10.0.5 and dhcp is also done by the vpn router. All client computers can run rdp to access shares / programs etc on the two servers but when trying to push out group policy, antivirus updates or even using remote control through the SBS2008 server it is hit or miss. DHCP records on the SBS server do not seem to update correctly, manually changing the ip address in DNS records results in warnings that the PTR record cannot be created.
So I am wondering if the configuration they currently have setup is correct. What might be stopping some but not all computers from updating, why I can connect to some but not all computers at site "a" but I am not able to remotely connect to any computers at site "b".Why I can do remote installs of Eset Endpoint Security on roughly 10% of the clients but the other 90% fail.
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Nov 8, 2011
I have been asked to setup wireless and we have purchased WLC 5508 and 1142 APs.We have several remote sites and a centralized WLC. The requirement are to have a common SSID (Corporate) advertised across all the remote sites and have that SSID locally switched, and have another two SSID Guest and Mobile tunneled back to the central site (WLC).I want all the wireless (Corporate) clients to use the same subnet as the wired clients at each remote site, the IP assigment will be done by a DHCP server at the central site. The Guest and Mobile users will use a common subnet each across all the site and this will also be handled by the DHCP server at the central site.
I have enabled H-REAP with Centralized Authentication and Local switching but I'm not sure about the second part which is to have a common SSID (Corporate) across the remote sites and localy switched whilst having the other two SSIDs tunneled back to the WLC. Cisco TAC told me to configure dynamic interfaces for each of the remote site but then he said I still wouldn't be able to switch the Corporate traffic localy if I use a different subnet to the wired subnet for the wireless clients.
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Oct 10, 2012
I am installing 2 ASA 5505s at home offices with dynamic IPs. The EasyVPN server is a ASA585x. I am using the 5505s in NEM mode. I configured a unique DHCP scope on each 5505. I have a dynamic crpto map on the server. I configured unique tunnel groups, group policies and usernames for each site on the server. This seems to work fine. Is it normal to configure unique tunnel groups, group policies and usernames for each remote site?
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Oct 14, 2012
I have a LAN with several linux boxes (Fedora 17, both 32 and 64 bits), as well a a WInXP box. All of these are connected to the same switch, which is connected to the inside port of my PIX 515.
For a few sites (mozilla.org happens to be one of them), for http access, the tcp connection is established, but the "GET" request - or anything else for that matter - will not go through the PIX (from inside to wan). I have verified this by first, using wireshark to watch the packets being sent out from the client box, then by using the trace function in the PIX to see that the packets ARE arriving at the inside interface, but ARE NOT sent out of the wan interface.
This is for the linux boxes ONLY. When I do the same thing with my WinXP box, all works: in the PIX trace, I see the packets arrive at the inside interface, and leave the wan interace. And access to these sites are okay.
(What's a bit weird, although somewhat expected, when I connect my android phone to my LAN via WiFi, it too is unable to reach those sites - but then again, android is linux, right?)
In addition to the tracing, I have narrowed this problem down by connecting a linux box directly to my DSL router, then replacing the PIX with a simple router/gateway. Both of those solutions work.
Some background:
I have been using this PIX for about 10 years now, with the same configuration (except IP addresses). Only in the last several months has this problem started to show up.
I got this pix from a dead company at a really great price (free), so I'd like to keep it, and not have to spend money on something else. I don't have any support license, and have not been able to get any software upgrades. Here is its version info:
taz(config)# sho ver
Cisco PIX Firewall Version 6.2(2)
Cisco PIX Device Manager Version 2.0(2)
Compiled on Fri 07-Jun-02 17:49 by (code)
Serial Number: 405200362 (0x1826ddea)
Running Activation Key: 0x38ac31f3 0x0630df47 0x9a77b805 0x8bc39a60
PS: Since this PIX is at its end of life, I was wondering if any of the software upgrades would be now available without a license?
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Oct 31, 2012
I have several VPN sites terminating on a 5510 firewall. all work fine but i cant get the traffic from the VPN sites to communicate with a server on a dmz on the same firewall.
a packet trace from the outside to the dmz shows this:Type: VPNSubtype: encryptResult: DROP
ive configured access to the dmz the same as to the servers on the inside. I can get to the inside servers ok.
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May 24, 2012
I have got two 878 integrated services routers and I need to configure them as transparent bridges in order to connect 2 remote sites over ATM.
As I'm testing the topology, I configured two switches (representing the sites) at each end with a VTP domain. VTP works while the switches are connected directly with eachother, but it won't work with the bridges in the middle. [code]
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Jul 11, 2011
I have been working with my ASA 5505 VPN Concentrator to maintain a connection with one of my remote sites. I have several tunnels that work fine and dont have any issues at all, but one tunnel with outside IP ending in 146 and inside LAN 192.168.3.0 goes down every 24 hours. Attached is the config from the concentrator. I changed around the Security Association Lifetime Settings and the tunnel would drop after that amount of time expired. If I set it to 24 hours, the tunnel would drop every 24 hours. If I set it to 8 hours it would go down every 8 hours.
I have swapped the router a few times, double and triple checked my key settings, disabled keep alives on both ends, and this problem just started happening a few weeks ago after working fine for years. I also get the following e-mail error every time it goes down:
<161>Jul 10 2011 16:19:47: %ASA-1-713900: Group = xxx.xxx.xxx.146, IP = xxx.xxx.xxx.146, construct_ipsec_delete(): No SPI to identify Phase 2 SA!
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Apr 28, 2012
I'm dessigning a network and this is my scenario:
5 - Remote sites (no static IP there)
3 - Remote users (comercial)
1 - Central building (using static ip address)
Is it possible to establish a permanent vpn tunnel between each one of my remote sites to the main building, even if I have no static IP address in the remote sites?
Do you think that RV180 is the best choice to mannage vpn connection between remote sites and the central building securely and faster?
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Apr 8, 2011
for example, there are 3 sites, A, B and C. A and B are 1.5 km apart and both are separate LAN(mixture of wireless and wired). C is 35 km apart from A and B. I have to connect A, B and C so that they can communicate with each other. Security is required.
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Jul 8, 2012
MY ISP installed one router in my lab.for internet connectivity they mail me steps :connect your Laptop directly to gi0/3 port to check internet connectivity with public ip 1.1.1.x and Gateway 1.1.1.1 with subnet mask 255.255.255.240 after connection I surprised because I am able to access only google sites like gmail,google search etc. but I am able to ping/traceroute all sites.from browser I am able to access only google sites only.In Router no firewall no such access list.
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Sep 20, 2012
I have a few ASAs with L2Ls in a hub-and-spoke fashion, works great. All ASAs are 8.2(1). I've tried to add remote-vpn to the HQ ASA. I have this working on a PIX 6.3 box at HQ, but have not been able to make it work completely on the ASA.
Just to check, I also set up remote client vpn access on one of the spoke ASAs, and that actually did go well. Applying the equivalent config on the HQ ASA - won't function.
The problem with the HQ ASA remote client vpn is that after completed phase 1 & 2, the traffic goes one way only, from client side towards the ASA. I e remote side only encaps, no decaps; ASA side only decaps, no encaps. If the remote client pings a host on the inside (i e behind the HQ ASA) the packets arrive, and are returned towards the ASA (a correct route for the remote vpn network is in place on the inside host). However, it seems as if the ASA doesn't send that traffic back into the tunnel, but rather sends it unencrypted through the default route (doing a traceroute from the inside host for instance suggests this).
The ONLY way I can pass traffic towards the remote client is by initiating a ping from within the HQ ASA, it's the only time I get encaps on the ASA side and decaps on the remote side of the tunnel. Interestingly, it's actually the "ping outside 192.168..." that works, doing an "inside" ping fails. Compare this to the spoke ASA and its remote vpn client, there an inside ping is succesful, but not a outside ping, i e the spoke ASA functions as expected with its remote vpn. Given that the configs on the two ASAs are the same for remote client access, I would have expected both to work, not only one of them. But then, the HQ ASA has more lines of code, and I guess that something there gets in the way. [code]
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May 8, 2012
I have a game launcher who do not want to update because:"The system is unable to connect to the update server url... The Windows operating system has a proxy redirecting port 80 to your local machine port 8877.If you have a real proxy, make sure it is configured to allow port 80 .NET remoting traffic. If you do not have a proxy, you may have leftover problems from malware in which case you will have to disable the proxy on your machine."i have made many tests and i have no malware and no proxy! so as the error message says, the problem is because the port 80 is not allowed .NET remoting traffic, how do i allow it ?
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Mar 20, 2012
Is it possible to filter remote access VPN traffic on a PIX 501 (like you can on an ASA?)
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Mar 13, 2012
I have a problem with ASA 8.4.2 and U turn for remote vpn traffic that needs to exit from Remote VPN and then to make a u turn on outside interface to enter another site to site VPN.
Interesting traffic access list is modified as needed, routing is ok, but debug icmp trace 20 is showing that icmp packet from remote vpn client address to the host on the other side of maintained site to site tunnel is going to the inside - not to the outside as it should go.
Route
S 172.17.1.2 255.255.255.255 [1/0] via Internet Provider, outside
ASA# ICMP echo request from outside:172.16.10.149 to inside:172.17.1.2 ID=1 seq=159 len=32
ICMP echo request from outside:172.16.10.149 to inside:172.17.1.2 ID=1 seq=160 len=32
ICMP echo request from outside:172.16.10.149 to inside:172.17.1.2 ID=1 seq=161 len=32
Same security intra interface command is entered
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Nov 18, 2011
I have a customer which has a main location office and a remote one. Recently we interconnect their facilities using a local ISP service called Virtual Connectivity, which basically is a private network which can be accessed over aDSL or any other data circuit. They are using Cisco 888 routers to interconnect both sites.At the main site the customer also has an Internet circuit (with a Cisco 857 router)and he wants to remove the Internet circtuit from the remote site and provide them access over their main location Internet circuit.At the primary offices, we installed Cisco 2811 router as a gateway to route the Internet and remote network traffic over the required data circuit. Everything is working fine, but we can not access Internet from the remote location over the circuit installed a the main site. I understand this is a routing issue, since the traffic hits the main office network it does not knows how to reach the Internet. I am assuming this routing must be set into the main office Cisco 888 router (installed by the ISP to interconnect to their private cloud) in order to properly route it over the Internet circuit.Since I already have access over the Internet router and the gateway router at the main site, but not into the ISP router, is there any other way I can make this configurtion over the routers I already have access?
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Feb 9, 2013
I am having trouble making my remote access vpn decrypt traffic. I am using an ASA5510 and the cisco 5.0 vpn client. I have no problem getting the tunnel to come up. But the "decrypted traffic" stays zero and the "discarded traffic" increments continuously.Here is the ASA5510 crypto config:OK I guess this site doesn't allow pasting text so I attached the config.I am pretty sure that I can't pass traffic because I have not been able to figure out how to specify the interesting traffic for the vpn connection. What is the syntax for this? It looks like it should be some kind of tunnel- group commands.
Am I the only one who thinks that the Cisco documentation is worthless on this subject? The ASA config guide gives you everything you need to set up a tunnel, but has absolutely nothing on the config required to actually pass traffic.
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Feb 6, 2012
On remote site I have Cisco ASA5505, on cental site I have Cisco 2811 router, working site-to-site VPN tunnel. [code]
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May 31, 2013
Is there any way to Mirror a CISCO C3750 Switch Port Taffic to a remote Host IP Address?I know Port Mirror (SPAN/RSPAN) can copy one Interface Packet to another Interface. But I am looking for a way to miror Switch Port Packets to a remote Host (having Public IP Address and running Wirehark). Is it possible?
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Feb 3, 2011
I have a 857 (124-4.T12). And would like to setup an Easy VPN server. I can run through the wizard in CCP, but it does not work from the VPN client. It does not complete the first stage of comm. All I have done is run the wizard and create a user. I'm fairly happy with Cisco routers, but the VPN part is new to me. I've read the walk through document on the Cisco site. I created it on a new local loop back.
The first time I run the wizard and click test it tells me none of the cyrpto interfaces are up. Are there some prerequisite I'm missing?
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Jul 9, 2012
I have configured an easy vpn server in cisco 1905 ISR using ccp.The router was already configured with zone based firewall. But when i try to connect my office using vpn client i can reach only upto the internal interface of the router but can't access the LAN of my company.Do i need to change any configuration in ZBF since it is configured as 'deny any' from outside to inside ? If then what all protocols do i need to match ? Also is there any NAT exemption for the VPN clients?
For reference please see my full configuration:
Router#sh run
Building configuration...
Current configuration : 8150 bytes
!
! Last configuration change at 05:40:32 UTC Wed Jul 4 2012 by
[code].....
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Sep 21, 2011
I have a new ASA5505 which I want to use for Remote Easy VPN. The device connects to the remote ends but I am not able to ping the remote network. The interface is new to me and I am not sure where to add the routes. The local network is 192.168.66.0/24. The remote network is 192.168.4.0/24
I am trying to connect the Remote (conf) to the Corporate (conf). I have done this many times but now the new ADSM interface is confusing. I added the commands as you indicated with no success. The ASA gave me an error when I had added nat (inside) 0 access-list nonat. I wouldn't allow me to enable the EasyVPN option while this command was on the configuration. Here are the cry isa and cry ipsec isa files as requested.
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Sep 20, 2012
At the main site, I have 3 5508 WLCs each part of a mobility group (wlcMain-MG). In NCS, under "System/Mobility Groups" for each controller, I see each controller listed as "local" with the other Controllers listed with the group name "wlcMain-MG". None of the SSIDs are "anchored".
I have a new site with a 2500 series WLC that I would like to push out 2 SSIDs. This site contains two customers. One customer is the Main customer with the second customer leasing space.
I have the Cust2 WLAN at the remote site set to have traffic egress out of a local interface on the 2500 WLC (this traffic is then tunnelled back to their Main location via an ASA which houses the DHCP scope for that vlan). I can connect to this SSID, obtain an IP Address off the ASA and am tunnelling without issue.
For the Cust1 WLAN at the remote site, I would like to broadcast an SSID from the Main location on those same APs which are registered to the 2500. It is my understanding, that I anchor the SSID at the Main site and identically configure the SSID at the remote site. This will allow the end user to authenticate to the RADIUS server at the Main site and be placed upon the correct vlan (we are using DOT1x and dynamic vlans).
For my test, I am starting simple. I have created a test WLAN with no authentication. At the main site, on 5508 WLC3, I have created the test WLAN, and placed the interface into a low security vlan (call it VLAN-low). I have anchored this test WLAN to that controller. At the remote site, I have created the same WLAN (but placed it into the management interface for now - the VLAN-low does not exist at the remote site) and configured that WLAN to anchor back to the WLC3 at the main site. I am unable to obtain an IP address from the remote site. I have placed the remote site WLC in the wlcMain-MG as well. How close does the code need to be on the controllers - the 5508s are at 7.0.116.0 and the 2500 is at 7.0.220.0? What could I be missing?
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Feb 1, 2013
I'm setting up a small office network and the best way to do it,I have three pcs , I want to use one as the main data base/ server with all the main data to be stored on, I'm also installing a small data base software called lotus for everyone to access to update when needed, I'm just wondering what would be the best way to link all three pc's together as a network , this is something I've not done before, i have plenty of expirence with computers but I've never set up a network.
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