Cisco VPN :: Configure 2 EzVPN Groups On 2811?
Apr 2, 2013
configured 2 EzVPN groups using a 2811 router, i am trying to do this but is not working i have another VPN working thru EzVPN but if i try to configure another group for another EzVPN client is not working and the problem is that the debug crypto isakmp say that Apr 3 08:45:25.802: ISAKMP:(1309): phase 2 SA policy not acceptable!
How is that possible? in my understand the EzVPN server will inject the the IKE (phase 1) and IPSec (Phase 2) parameters for the client and that's they dont need to negotiate nothing, is important to say that the EzVPN client is an ASA5505 with onlu DES encryption enabled, 3DES and AES are not available due to licensing reasons.
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Mar 31, 2011
I am having an issue get an EZVPN working between a 2811 server and a SR520 client. The symptoms are the SR520 makes multiple connection attempts to the 2811. It appears that sometimes these connections are successful and the SR520 is assigned an IP address but then the tunnel will be dropped and a new session will be started. I've attached scrubed configs for both the 2811 and the SR520. One other note, when connecting to the 2811 with a software VPN client, there are no problems, so I think the problem is with the SR520. On the other hand, the SR520 wasn't having any problems until we switched our VPN server from a UC520 to the 2811.
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Oct 31, 2012
I have a switch 2960 with 15 multicast groups (for video) and now I am configuring a router 2811 to send two multicast groups to another network.But despite of there is no client sending join yet, the router is joinning in all multicast group, and because of that the router are not standing all the traffic. why the router is joinning in all multicast groups?How could I choose what groups router will join?
Router Config:
ip multicast routing
ip pim bidir-enable
interface f0/0
description Conected to Multicast Source Network
ip address 10.1.1.1 255.255.255.0
ip pim sparse-dense-mode
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Dec 12, 2011
I created some User Defined Groups in LMS 4.1, now I want to apply certain fault notification groups to Event Sets.
Unfortunately the Groups I configured are not in the Group Selector of the Fault Notification Group: Admin > Network > Notification and Action Settings > Fault Notification Group
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Mar 24, 2012
What consequences could i have if i install a WiSM-2 module into a pair of 6500 configured in VSS and another WiSM-2 module into other pair of 6500 configured in VSS for serving a 300 APs??...in this case, do i need to configure mobility groups for guarantee a high availability and also redundancy of controllers?Under the best practices, is much better having the two WiSM-2 modules into a single pair of 6500 configured in VSS??
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Jan 13, 2011
I have a client machine that requiers a DSL connection
my office already has a leased line to the building so don't want to pay for a DSL and BT phone line.
Can i configure my 2811 to act as a DSL server so that I can plug the clients ADSL modem into my router and let it think that it has a valid DSL connection.
Then the 2811 can provide internet over my leased line.
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Sep 19, 2011
I have cisco 2811 router and two ISP copper line. How can configure it as BGP router.
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Oct 28, 2012
I have a 2811 router and how to configure a RADIUS server using the CLI.
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Sep 13, 2012
Facing a unique problem in my cisco Router (2811) .. Router is well configured but suddenly it stops working , when logged in using console the configuration register is observed to be 0x2142.
How does it automatically changes register value during operation?
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Mar 29, 2011
How do you configure port-security on a 2811 router? If not, is there a way to configure some type of security on each port ?
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Jun 9, 2011
I'm am wanting to know how to configure Easy VPN server with downloadable ACLs on a cisco router 2811.
Indeed, I would like to set up a remote access vpn that uses radius for authentication of VPN clients. The radius server is connected to an Active Directory server that contains the log in / password. I would like to on the basis of the user who connects to the VPN, the ACL that define the services or servers to which this user can access is automatically applied on the router and define the rights of the users.
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Feb 27, 2012
Currently 2811 series router is configured for site to site VPN, CAN I configure USER VPN on the same box. We want Users to connect to VPN Server using Cisco VPN Client. best authentication method for USER VPN
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Jan 19, 2013
configuring policy based route for my cisco router?Basically, I have a 2811 cisco router with 2 ADSL ports. 1 port is for iiNet line and another port is for Telstra line.I want to configure a policy based route on the router so that:Any traffic coming from 1 internal IP (i.e. 172.16.x.1) will go through iinet line (i.e. Dialer 0) interface.Any traffic from rest of the office will go through the Telstra line (i.e. Dialer 1) interface. Is there any easy way to configure this policy based route?
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Jan 3, 2012
I have a Cisco 6500 router at my POP site and I have a Cisco 2811 at the tail site. I have to bond 3 city to city T1s to make a 4.5Mg pipe between the 2 ends. How do I configure the routers to make this happen? This is a configuration example for a single T1:
POP end on 6500:
interface Serial1/0/1:0
ip address 10.125.1.1 255.255.255.248
Tail site on 2811:
interface Serial0/2/0
ip address 10.125.1.6 255.255.255.248
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Mar 16, 2010
I've been collecting information on principles of SHDSL connection. I have found plenty of examples on how to configure only one SHDSL link. Very soon I'm going to the site to install two independent SHDSL links in Cisco 2811 which has one Cisco HWIC-2SHDSL module, so I can route one type of traffic through one connection and another type of traffic through another. Both SHDLS links have static IP addresses and probably different VPI/VCI values. how to install two SHDSL links into one HWIC-2SHDSL module, set one value for VPI/VCI on one link and another value for VPI/VCI on another link, also set one IP address on one link and another IP adddress on another link?
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May 24, 2012
I have to configure router 2811 for Data and Voice network.However I have only one Fast Ethernet interface. [code]
what else do I need to configure on switchport on which Avaya phones are connected.And is there any extra command, i need to configure on the router and 2950 switch.
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Apr 20, 2012
I am trying to configure a newly installed HWIC-4ESW on a 2811 router to bridge to the FE 0/0 interface. Currently, I have a cheap switch connected to FE 0/0 which in turn connects to all the phones, however now I just want to connect all the phones to the HWIC and have it internally bridge to FE0/0 for the connectivity to CME, etc.
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Aug 26, 2012
Is it possible to assign a single ssid to multiple interface groups by assigning the ssid to multiple AP groups?
I have buildings geographically dispersed that are configured with multiple vlans in interface groups so that I can maintain an addressing scheme of dhcp assigned addresses per building. Each building is also further grouped as AP groups. I'd like to know if by assigning the same wlan ssid to each of the AP groups, will I maintain addressing integrity for each building? I'm thinking it will work.
Do the buildings have to be outside AP range of each other to avoid problems?
5508 controller
7.2.110.0 code
6 buildings
6 interface groups
1 ssid
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Jul 24, 2012
I try to set up EZVPN server. I cannot get any response from server.
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Aug 23, 2011
I'm trying to configure a router 7606S with SPA-IPSEC-2G for EzVPN.I was reading some examples in SPa and 7606 documentation but with the current configuration in our router I don't know how to do it.
The router has the SPA installed in slot 3, interfaces G3/0/0 and G3/0/1. The router has the interface G2/0/0 connected to our provider, and we have the interfaces connected directly to network; ie: not vlans, no trunks, ports configured as IP ports conected directly to network.Where can I find an EzVPN example configuration ?
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Nov 1, 2012
I'm having trouble configuring with EZVPN on ASA5510. EZVPN uses the local LAN as the source IP, now since the EZVPN is configured on the ASA, it will use its local port 2.2.2.1 as the source local LAN. The actual local network is behind a firewall and i need the tunnel to extend to the 10.10.10.10 network. Is there a way to extend the tunnel to use the 10.10.10.10 as the source LAN? How to do it via the GUI?
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Nov 24, 2011
Cisco ASA 5505 50-User Bundle includes 8-port Fast Ethernet switch, 10 IPsec VPN peers, 2 Premium VPN peers, 3DES/AES license
ASA5505-50-BUN-K9. Cisco ASA 5505 Unlimited-User Bundle includes 8-port Fast Ethernet switch, 10 IPsec VPN peers, 2 Premium VPN peers, 3DES/AES license ASA5505-UL-BUN-K9
I think they will support ezvpn, just need confirm .
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Jul 10, 2011
I have a 3825 configured as an EZVPN server with 881 routers as clients. One issue I am seeing is that sessions don't seem to time out, such as when a peer's public IP changes. Show crypto ISAKMP peer shows the same host (using device certificates for authentication) with multiple public IPs establishing sessions. I have ISAKMP keepalives configured on the router.
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Mar 29, 2011
Our company has a handful of sites that use the EasyVPN technology.On my remote router (Cisco1841) - I add the crypto inside to the FA0/0 and the Loopback0 interface.On the other end my Cisco ASA 5580 - 8.41 code - I have RRI enabled and the tunnel comes up fine.However I only see the static route from the fa0/0 interface on the remote router. I can not figure why I can not see the Loopback0 address?Wondering if this is a limitation or feature not enabled.
I added multiple interfaces on the Cisco 1800 and can see the networks.I run "show crypto ipsec sa" on the Cisco ASA and see the spi encaps/decaps for the loopback, but the SH ROUTE does not show the static route being injected.
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Jan 14, 2013
I have lots of 857's routers in the field with mostly the latest OS - 12.4(15)T17 making ezVPN connections to a 2951 with 15.1(4)M5.All the 857's have lookback and vlan interfaces similar to :
interface Loopback0
ip address 50.43.8.1 255.255.255.255
ip tcp adjust-mss 1452
end
[code]....
Now lately for some or other reason we have instances where I can ping either the VLAN or the LOOPBACK interface, but not both. Or I have instances where the 2951 can ping all the interfaces on the 857, but the 857 can not ping the 2951. Or I have instances where the 2951 can not ping the 857, but the 857 can ping the 2951.The way I have been fixing this is either to add crypto ipsec client ezvpn SMS_VPN inside to the loopback interface, or if it is there already to remove it. This usually works for a few days, but then suddenly I have to reverse this again. If that does not work then I usually do lots of clear crypt sess and/or clear crypt ipsec client ezvpn on the 857, or clear crypt sess remote 857_ip_address from the 2951 and then suddenly it starts working again.
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Mar 14, 2012
We have a VPN using 857 and 877 routers as remote connecting in to a 2800 EZVPN Server.
The VPN is working fine. However, the VPN connections sometimes (after a few hours/days) seem to "freeze". A "show crypt sess" shows the connections as Up/Active, but you can not ping antyhing from remote to server, or visa versa, nor does any traffic flow. I then added a "isakmp keep-alive" on the 2800, which improved the situation a bit, but not as much as I hoped.
On the 877 I then implemented a IP SLA, with Object Tracking and then use a Event Manager to just issue a "clear crypto session" . This solved the problem.
However, what do I do on the 857 ? It does not support Object Tracking or the Event Manager. Is there any other mechanism to monitor and reset these frozen/stale VPN connections automatically ?
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Feb 2, 2012
I try to configure a simple EzVPN infrastructure:
EzVPN Server (CISCO2811, hostname cme) < -- > EzVPN Remote (ASA5505, hostname ezvpn-asa) < -- > Client
Attached you find both configuration of the EzVPN server and remote. The tunnel is getting up and if I ping from the ASA to the Router, I see the packets getting encrypted:
ezvpn-asa# ping 172.16.100.1
...
ezvpn-asa# show crypto ipsec sa
interface: outside
Crypto map tag: _vpnc_cm, seq num: 10, local addr: 172.16.100.2
[code]....
If I connect a client with IP address 192.168.1.2 to the interface eth0/1 and do a ping to the cme, I don't see any packets getting encrypted. I don't have any idea about VPN, I just need it for a wireless lab environment. What do I have to configure on the ASA, so the inside traffic is encrypted?
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Feb 16, 2011
I'm trying to advertise the branch LAN subnets via OSPF back to our core.I can create the OSPF adjacency and the ASA is learning routes fine. However it does not appear to be pushing the branch LAN subnets to the connected router. show ospf database reveals they're not in the OSPF database.Here is my routing config, the branches are 10.114.0.0 /16.As an aside, why I need the statics below, they appear to be necessary to reach my LAN subnets behind the EZVPN spoke sites. I would have thought the ASA would learn it automatically as I'm running network-extension mode on the spokes. [code]
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Mar 18, 2011
configured Ezvpn Server/client with client mode configuration on IOS router with ver advipservicesk9-mz.124-15.T3.bin of ISR 1841 routers. Only my main issue is that once the tunnel is up I cant access the server side local LAN. However I could each site my icmp traffic is encrypt or decrypt but not both at the same time. However I can ping from the server to the client ip address which is assigned by the pool (int loopback10000)
Also once the tunnel is up I could also see there's static route towards the client side via virtual-access interface and also static route on client side. I have already configure SPLIT ACL on server side allowing the required network access.Attached is the configuration of both server and client with all required show output.
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Sep 24, 2012
I've got some ASA5505 which run as EzVPN clients in NEM, connecting to a ASA5510 as head-end. The ASAs are configured with a CSM and AUS. But whenever they are getting a new configuration through the AUS they stop trying to establish an EzVPN connection to the head-end. After a "reload" they run with the new configuration and establish the tunnel as expected.
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Aug 9, 2011
I am attempting to get a solid setup for a remote office we have going up and I am running into little issues that I cant seem to get around.
Basically, we have a remote office that will have dual ISPs, one hard wired circuit from a local carrier and the other will be a Verizon 4G router that plugs in via Ethernet and hands out DHCP to my Cisco router.The Cisco router is a 2911 with IP SLA configured. I have it setup to ping my DC out one interface and if that fails, it removes the default route and injects a new default route from the other ISP,
The problem I am having is with the VPN. I figured using EZVPN would be the only solution because the Verizon 4G only supports DHCP so I have to be able to connect from a dynamic remote host. The other caveat is that failover needs to be seamless as we have no person onsite that can troubleshoot. Its fine if it takes a few minutes, but the VPN just needs to come back up on its own without any intervention.
I attempted to setup two different EZVPN crypto maps on the router but realized you can only have one inside cryptomap per interface, which would cause a problem with the internal network. I thought I could just create subinterfaces off the router to have two inside interfaces to work with but that wouldnt have supported because they would now be on different subnets.
I decided that adding an ASA5505 behind the router may be the simplest solution. Use the router only for the purpose of handling routing between the two ISPs and performing NAT out the interfaces. Then use the ASA to do EZVPN from. This works well but there are some issues I am trying to work through.
First, when the ISP fails over to the backup, the NAT translations have to timeout before things start working again. For a constant ping, this is fine, I have the timers set down to 15 seconds for NAT timeouts and after 15 seconds the ping picks right back up again. However, this breaks the EZVPN. The ASA keeps trying to bring up the ISAKMP nearly every second, which keeps resetting the countdown on the NAT timeout for the remote EZVPN server. Because of this, the VPN will never come up until I manually clear the NAT translations on the router. So my first question is this; is there a way to adjust the timer that the VPN uses to try to bring the tunnel up? I tried the crypto isakmp keepalive command but that didnt work, it looks like it doesnt work with EZVPN.
The second issue is really with the IP SLA and is only an issue because of the first issue I mentioned. When the router first comes up after a reboot, both the primary and secondary interfaces come up. However, since the primary default route is only injected into the routing table once IP SLA is up and can reach its destination, the secondary route gets injected initially and the VPN comes up over the secondary ISP. In a few seconds, the primary default route is injected, changes the path and because of the NAT translation, breaks the tunnel and never comes up again because of the first issue with the VPN tunnel renewing the NAT translation continuously.
I could easily go out and purchase a $100 Linksys router that will do the failover and clear its NATs and everything, but I need better reliability out of the hardware than that. There has got to be a way to do this on a Cisco device since consumer level equipment can.
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Jan 20, 2012
I have setup DMVPN and EAZYVPN on one router. Tunnel interface on Spoke one and Spoke two are up/up and show crypto ISakmp sa shows both tunnels are in idle. However, tunnel to Spoke one(10.10.1.1) keep bouncing on and off(see below). Every 30 sec or so, the tunnel gone back to IKE phase while tunnel for spoke two(5.5.5.1) still leave active. THe configuration on the HUB side is the same for both spoke!! show crypto ipsec sec shows both side has the same life time(IOS default). Could that be an IOS debug on the spoke one?
Hub :
Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 15.1(3)T2, RELEASE SOFTWARE (fc1)
HUB#sh crypto ipsec security-association
Security association lifetime: 4608000 kilobytes/3600 seconds
Spoke one:
Cisco IOS Software, C2600 Software (C2600-ADVSECURITYK9-M), Version 12.4(8), RELEASE SOFTWARE (fc1)
[code]....
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Jun 27, 2012
I have ezVPN configured on an ASA 5520 for my server with 5505s as my clients at several remote sites. The tunnels come up no problem and I can hit everything I need to on both sides of the tunnel, but I'm not able to get to another remote network from a remote network. The traffic goes out the tunnel on the 5505 but on the 5520 all I see is a bunch of scrolling tear down messages.
[code]....
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