Cisco Firewall :: ASA 5520 - Stand Up Secondary DMVPN Hub At Recovery Site?
Nov 8, 2012
I have a working DMVPN solution. I am trying to stand up a secondary DMVPN hub at our disaster recovery site. We are trying to deply to a Dual HUB SIngle DMVPN solution. The HUB2 DMVPN router has an INSIDE trusted interface and has an OUTSIDE UNTRUSTED interface.
The inside is 10.248.11.X...the Untrust/public is 192.168.93.11 which is connected to our DMZ 3 on the ASA 5520.....then I am trying to NAT the 192.168.93.11 to an outside public IP 199.248.30.X....just not working...have had 2 tickets open with Cisco this week and they still are unable to resolve. I am sure it is the ASA5520 is not configured correctly.
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Jun 3, 2012
The customer forgot the password for the ASA SSM-20 ips module installed in ASA 5520 Fw.show module in customer FW shows it up state. I brought it to our office teat bed. here it show
ASA1# sh module
Mod Card Type Model Serial No.
--- -------------------------------------------- ------------------ -----------
0 ASA 5520 Adaptive Security Appliance ASA5520-K8 JMX1022K03A
1 ASA 5500 Series Security Services Module-20 ASA-SSM-20 JAB101003C2
Mod MAC Address Range Hw Version Fw Version Sw Version
[code]....*-
what to do with this module in my test bed.I have to take it back to the customer site to use it in their ASA itself to troubleshoot.There it the status is up and i did use all the hw-module option but no use. The version is 5.0. This module is more than 5 years old and so far no one upgrade the image. ASA 5520 running 8.2.5.
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Nov 24, 2012
We already have a subnet defined to inside interface and is in produciton. the default gateway is this interface ip. In that setup now I have to add one more subnet and as the first subnet is been defined in ASA indside interface, I have to assign secondary Ip to the inside interface so that new subnet users can easily reach here and go outside.
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May 26, 2011
I'm looking to configure a DMVPN spoke with a Site to Site VPN Connection to a different destination than the DMVPN. I'm using a Cisco 2800 router. When I add the crytpo map to the outside interface for the Site to Site VPN. The DMVPN drops. Is there something I could be missing? The Tunnel interface for the DMVPN has the shared optioin applied to the tunnel protect ipsec profile.
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Apr 4, 2012
In a stand alone 3750x switch configuration, can the secondary power supply only act as a redundant power supply (active/standby), or can it become a "pool" of power similar to power sharing mode for StackPower (somewhat active/active)? I understand there is no stack involved here but I'm curious if this functionality is possible.
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Sep 20, 2011
Any step by step guide to setup syslog for site to site VPN.(in ASA 5520)Just send me the step to monitor site to site vpn using that in ASA 5520.
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Mar 12, 2012
I'm having slow performance thru a Site to Site VPN. I have an ASA 5520 in each site with the version 8.2(4) in both ASA's. I have a 20Mb internet service in one side and in the other side I have 50Mb. When I transfer a file from the Sita A to Site B I get a transfer rate of 130KB/S.
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Apr 10, 2012
i just received a RMA for failed ASA 5520 that was acting as secondary unit in multicontext configuration. What would be correct procedure to install it back in production? Do i need to restore backed up config of the fallen unit or is it just enough to enable multimode and connect to existing (primary) unit? Any good link for documentation that deal with this issues.
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Feb 20, 2013
I have asa 5520 k8 model presently i am running with IOS version 8.0(4) i am upgrading to 8.2(5) is ? any license required from Cisco to upgrade to this IOS, and also let me know how many site to site vpn can be configure on this device.
Licensed features for this platform:
Maximum Physical Interfaces : Unlimited
Maximum VLANs : 150
Inside Hosts : Unlimited
Failover : Active/Active
[code]...
This platform has an ASA 5520 VPN Plus license. Serial Number: JMX1051K2S5.
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Jun 17, 2012
We have ordered a pair of Cisco ASA5520 (ASA5520-BUN-K9).Now there is a requirement to terminate site-to-site VPN from remote site. Do we need VPN plus licence for this and how much it cost?
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Jan 9, 2012
I am having an issue with establishing L2L VPN with remote site. My side is cisco asa 5520 and other side is check point UTM-- tunnel is not up.just wnated to confirm on my sidde if the configuration is OK.al the parameters using are correct for both side. any issue with below conf ? default route is pointing to my next GW address is there additiona default is required for VPN ? to reach the remote LAN somthing like pointing to remote peer address.to give a brief idea front end device is router as GW wher in internet is terminated and other wan connections ASA is behind ther GW rtr and outside int of asa and lan interface of GW rtr is having public ip. LAN switch is connected to ASA
access-list insideinterface_nat0_outbound extended permit ip 192.168.36.0 255.255.255.0 10.34.12.0 255.255.254.0
access-list outsideinterface_cryptomap_40 extended permit ip 192.168.36.0 255.255.255.0 10.34.12.0 255.255.254.0
nat (insideinterface) 0 access-list insideinterface_nat0_outbound
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
[code]....
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May 9, 2012
Trying to set up a stateful failover with two. asa5510
Here is what I have so far, tell me if this looks right. The ip address are set to 0.0.0.0 only for this discussion.
Config Primary Firewall:
config t
interface management 0/0 ip address 0.0.0.0 255.255.255.252 standby 0.0.0.0
interface eth 0/0
[Code].....
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Dec 18, 2011
We have an ASA 5520 in production with a brand new internet feed we've just finished installing. We connect to our corporate office via a VPLS. In our corporate office we have a Cisco 1841 (I think that was the year it's made! ) with an ADSL feed with a static IP address plugged in directly.
We have a user VPN that we integrate with our user directory on the router, which connects via the ADSL. The users get an IP addres at the tail end of the 172.31.14.0/24 range, which is the same as one of our corporate subnets (we just reserver a few address, we don't have many VPN users).
Both the ASA and the router connect to each other (via the VPLS) on the internal subnet 10.255.255.0/24.
-The ASA is 10.255.255.1
-The router is 10.255.255.100
Currently the default route for the corporate office goes out the Dialer interface for the ADSL, which means that's where our internet goes out there (all proxying aside, we'll leave that out of this one). ip route 0.0.0.0 0.0.0.0 Dialer1
We'd like to change that default route to go via the VPLS to the ASA, and then out to the internet using the new feed. All the ACLs and rules are in place at both ends for this to work. If I change the default route on the router to: ip route 0.0.0.0 0.0.0.0 10.255.255.1Then it works as expected.
The problem is that then the user VPN breaks. I had hoped I wouldn't have to do any configuration on this but it looks to be so. I'm guessing that the VPN packets are coming in via the ADSL and back out via the new internet. It would be simple if the remote client had a static IP address as I could put in a static route for each user, but it's always going to be dynamic.
What do I need to put in place to get this working? I thought maybe I could leave the default route via the ADSL and put in a next hop rule to go via the VPLS for the specific subnets that need the new internet, i.e. have a subnet specific default gateway, is this possible? (I gave it a go but it didn't seem to work, I think I didn't implement it properly though as it still went via the ADSL, maybe because there is a nat route-map as well?).
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Feb 17, 2013
We have configured a site to site tunnel from our ASA to another organizations Cisco 3030. It appears to have just one way initiation. We can do a ping to a device on the remote site and it will ping just fine. however, when the tunnel needs to be initiated from the remote site, it will not work until we have initiated the tunnel and then everything works.
I continue to see Error processing payload: Payload ID: 1 errors on the ASDM logs.It appears that all the configuration is in place because we can in fact establish the IPSec tunnel unidirectional. And once established, traffic can flow bidirectional.
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May 23, 2013
What are the possibilities that exist for running a site to site vpn in our environment with the following infrastructure Cisco ASA 5520 - running on a multiple context mode
-Cisco 3750 switches
-Microsoft TMG
I believe these options are limited in terms of providing end point for VPN.Is there a VPN module that we can buy for 5520 to run IPSEC VPN?
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Mar 15, 2012
Have asa 5520 ver 8.0(4) I have vpn client access created and working I have l2l vpn created and working with another set of asa The issue at hand VPN client from internet connects and authenticates, this client can access Site A's networks with no problems. However vpn client on Site A ASA can not access Networks through l2l tunnel located at Site B.
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Feb 24, 2013
I am trying to establish routing between two Site to Site vpn tunnels, both of which are terminating on the same outside interface of my Cisco ASA.
find attached Network Diagram for the same. All Firewalls used are Cisco ASA 5520.
Both VPN tunnels between Point A and Point B, Point B and Point C too are up. I have enabled Same security level intra interface permit command also.
How do i enable traffic originating from LAN Subnets behind Point A to reach LAN Subnets behind Point C without having to create a Seperate tunnel between Point A and Point C
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Oct 29, 2011
We have a site-site and remote vpn configured in same interface in ASA 5520 ( software version 8.3 ). When Remote vpn users try to connect to computers located on the distant end of site-site VPN, their request failed. I tried No-Nat between remote vpn private IP to the remote site private IP, also stated the same in Split tunneling. I cant find even the tracert, ping also timed out.
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Mar 14, 2011
I recently faced an issue at work. Clients want to make ipsec site-to-site vpn redundant. I have 2-asa-5520 working in a stack. Is it possible to configure site-to-site vpn in a redundant mode, like first peer ip address is x.x.x.x and secondary is y.y.y.y (backup) ?
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Jan 23, 2012
I am building a site to site VPN from our headquarters to a customer. I am using an ASA 5520. The customer is using Cisco 3945 routers. The customer has two VPN termination points. The customer requests that we make one of their termination points the primary VPN connection and make the other termination point the backup in the event that the primary VPN fails. How do I configure this on the ASA? Does the below configuration fulfill this goal?
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Apr 8, 2013
We have 3 sites, with a Cisco ASA 5520 at each location.
HQ (Headquarters) internal network: 172.16.110.0/24,
DR (Disaster Recovery) internal network: 172.16.120.0/24
BO (Branch Office) internal network: 172.16.150.0/24
HQ and DR have a 100Mbps permanent MPLS link between each other.Branch Office has a Site 2 Site VPN connection to HQ. If it fails, it establishes a Site 2 Site VPN connection to DR. This works perfectly.Now the routing issue... There is no route to the BO in the routing table at HQ/DR. The default gateway is used to reach the BO and that works for HQ when the VPN is between HQ/BO. If the VPN fails over to DR/BO, HQ can't reach BO anymore.I need to have some kind of conditional route injection from the ASA where the VPN is established. I was considering a tracked static route, but I was wondering if the S2S VPN itself has a functionality to do so. I thought the Reverse Route Injection was it but it's enabled on our crypto map and doesn't seem to work...
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Oct 8, 2011
My question is very simple is there any way or feature that could allow us to have a backup VPN tunnel on at the secondary ISP at the asa 5520? Lets assume if the primary isp goes down is there any way for the VPN tunnel come online at the backup isp ? [code]
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Apr 2, 2013
I am using the Site to Site Wizard on an ASA 5520 and ASA 5505 from the ADSM. Both are using 8.4(5). When you create the configurations. Do you have to follow up the wizard configurations with manual ACL's to allow for traffic from each connected subnet to talk to each other? Or are they automatically generated in the configuration file? Have not been to school yet to properly understand how to create the VPN tunnels from the CLI and what to look for.
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Oct 1, 2012
I am configuring Cisco ASA 5520 site to site vpn with Avaya VPN Phone? According to Avaya, the Avaya 9630 phone acts as a VPN client so a VPN router or firewall is not needed.
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Jul 26, 2011
I'm trying to establish site to site VPN between ASA5510 to ASA5520, scenario. [code] our Vendor said to nat the local network to specific ip and use that ip as local pool,here the configuration details [code] i create static nat but its doesn't work for me phase 1 is not up, how to create nat local network to 10.10.10.10.
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Jul 7, 2011
One of our remote sites want to use our firewall for internet access. We have setup a site-to-site VPN with a default route from the remote site to us. All traffic is routed to our firewall (5520). VPN traffic works perfect. Now the internet does not work for our remote site. Is it possible to route internet over the site-to-site tunnel?
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Jun 1, 2011
I have a working site2site between 2 ASA5520 8.2(3)I want side A to be able telnetssh to side B's ASA.using the telnet command would do it or should I also add an access-list?
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Jul 31, 2011
I have multiple site-to-site vpns using ASAs 5510 and 5520, tunnels were configured 3-4 years ago, and all these 3-4 years one vpn tunnel hangs until I clear isakmp sa peer. When I say hangs, I mean I can see the tunnel is UP and MM_ACTIVE with sh crypto isakmp sa, but I can not ping the remote subnets. When I clear the tunnel, it somes up again and communication is successful.
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Jun 21, 2012
i have an ASA 5520 Version 8.0(2), i configured the VPN site to site and works fine, in the other apliance i configured the VPN Client for remote users, and works fine, but i try to cofigure the 2 VPNs on ASA 5520 on the same outside interface and i have the line "crypto map outside_map interface outside (for VPN client)", but when I configure the "crypto map VPNL2L interface outside, it overwrites the command", and therefore I can only have one connection. [code]
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Jul 18, 2012
I try configure VPN site to site, with ASA 5520 and Ruter 891.The topology is LAN-->ASA 5520-->INTERNET<--ROUTER 891<--LAN.
The configuration of the VPN site to site on ASA5502 is UP, but in Router 891, I dont understand the commands. url...
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Aug 4, 2011
I have a pair of ASA 5520s configured in failover mode that also acts as VPN endpoint for about 25+ site to site ipsec VPNs. Of the 25 sites, 2 sites consistantly are having VPN issues while the other sites never have this issue.
For example, at a branch office the network is 192.168.1.0/24, and at the headquarter the ASA has an interface with network 192.168.254.0/24. VPNs are setup to tunnel all traffic destined to the headquarter network 192.168.254.0/24 and a couple of other networks with public IP addresses not directly connected to the ASA.
When the issue occurs, I can ping anything in the 192.168.1.0/24 or the 192.168.254.0/24 range across the VPN, but I cannot ping anything in the public IP range. ASDM reports that the tunnel is up. Restarting the routers at the branch offices do not work.
So far, I have been able to resolve the issue whenever it occurs by doing the following, however this issue happening more and more frequently:
first, try killing the VPN tunnel and wait for the router and ASA to re-establish the tunnel, sometime that works. If that doesn't work, I would failover to the standby ASA. Sometime even that doesn't work, then I have to reload the standby ASA before I failover to it.
All these site to site VPNs are setup the same way for the same purpose (to tunnel ad/exchange traffic), and this issue only happens to 2 of the branch offices which are using different ISPs - I even switched one of the 2 offices to a different ISP and router recently - still have the same issue.
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Mar 12, 2012
I'm having slow performance thru a Site to Site VPN. I have an ASA 5520 in each site with the version 8.2(4) in both ASA's.I have a 20Mb internet service in one side and in the other side I have 50Mb.
When I transfer a file from the Sita A to Site B I get a transfer rate of 130KB/S
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Jun 29, 2011
Can the ASA 5520's support dynamic IP for site to site VPN
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