Cisco Firewall :: ASA 5510 - ISP Backup Setup
Apr 5, 2011
I would like to setup backup ISP in our ASA5510. Right now the the firewall has for default gateway following command:
"route outside 0.0.0.0 0.0.0.0 114.324.321.33 1" i am changing this to route outside 0.0.0.0 0.0.0.0 114.324.321.33 10 track 1 ...so i can setup sla monitoring. As soon as i do the above command and remove the original "route outside 0.0.0.0 0.0.0.0 114.324.321.33 1" from asa then internet connection drops. Right now asa interface Ethernet0/0 has main isp configured and configuring interface Ethernet0/3 as backup. interface Ethernet0/3 name if backup security-level 0 ip address 114.324.321.34 255.255.255.252 no shut global (backup) 1 interface.
route outside 0.0.0.0 0.0.0.0 114.324.321.33 10 track 1 ( Right now in firewall i have" route outside 0.0.0.0 0.0.0.0 114.324.321.33 1 " ) route backup 0.0.0.0 0.0.0.0 115.283.212.23 20 track 2
track 1 rtr 1 reach ability
track 2 rtr 2 reach ability
sla monitor 1type echo protocol ipIcmpEcho 114.324.321.33 interface outside sla monitor schedule 1 life forever start-time now sla monitor 2type echo protocol ip Icmp Echo 115.283.212.23 interface backup sla monitor schedule 2 life forever start-time now. Also our firewall has site to site vpn and 1 main ip configured for exchange and remote access.
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May 29, 2012
ow to backup Cisco ASA-5510 from a Linux server via TFTP?I do know how to backup a switch or a router. Basically creating an access list such as:
access-list 55 remark PERMIT hosts requesting TFTP access
access-list 55 permit host 172.16.0.27
and allowing access to
tftp-server nvram:startup-config 55
all this inside the router or the switch. From the Linux box just running a simple command such as:
tftp 172.16.0.3 -c get startup-config newbackup.conf
where 172.16.0.3 is the IP address of the switch and newbackup.conf is the name of the config file stored on the Linux machine.So, how do I do that with an ASA box? how to backup ASA from inside it.
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May 22, 2012
how can I setup that the backup connection will start but after 30s of icmp timeout the default gateway (tracket object - 192.168.1.1)
My configuration:
sla monitor 123
type echo protocol ipIcmpEcho 192.168.1.1 interface outside
num-packets 3
frequency 10
sla monitor schedule 123 life forever start-time now
route outside 0.0.0.0 0.0.0.0 192.168.1.1 1 track 1
route backup 0.0.0.0 0.0.0.0 192.168.2.1 254
track 1 rtr 123 reachability
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Feb 15, 2012
I have a ASA 5510. I setup basic configuration to test internet with 2 ISPs. My first line works with out any problem. But my second line doesn't work. Even when i wipe the configuration, and setup only my second isp. Internet doesn't work. Can you tell me if there is anything wrong with this config?
CaaaA01# sh run
: Saved
:
ASA Version 8.3(1)
!
hostname CaaaA01
domain-name example.com
[code].....
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Oct 19, 2011
I am running a ASA 5510 in multiple context mode. IOS 6.4(2), ASDM 6.4(5)106.
In older ios/asdm versions it was possible to backup the configuration using ASDM.
In 6.4(5)106 i am missing this feature (see attachment)
Is it possible to backup a multiple context firewall using ASDM and above mentioned software versions?
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Feb 10, 2013
I am trying to use the built in feature of Cisco ASA 5510 smart call home feature with the purpose of automatic backup creation by email. I found the configuration [URL]. I already configured the said instructions but when I send a test email it says it cannot contact the email server. Below is the error that I am getting from our ASA. I am new to firewall.
OGI-MNL-ASA-FW0# call-home test profile ASA_Config_Backup
INFO: Sending test message to fcaccam@example.com...
ERROR: Connecting to SMTP server xxx.xx.xxx.xx failed: CONNECT_FAILED(33)
ERROR: Failed: CONNECT_FAILED(33)
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Mar 16, 2011
we have hosted voip and would like have our internet as back for their router. We gave them public static ip so they can configure that in their router. How can i configure the ip address in our firewall let say on asa5510 ethernet port 3 so if their router T1 goes out then our internet will work as backup.
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Jul 24, 2012
I have 2 outside connections one of which works as a backup connection. I am trying to setup SLA monitor so that when primary fails, the secondary connection takes over. However I never get connected to the primary connection after reboot, the backup connection is active after reboot.
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Nov 27, 2012
basic configuration for setting up cisco ASA 5510 for NAT and DMZ.
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Aug 16, 2010
I currently use MS ISA Server 2006 to protect a windows internal network, where there is also an MS Exchange server. I have acquired a Cisco 5510 to enhance security at main office. Later I will have ASA 5505 for branches, including VPN-ning. to have firewall at main office. I have several public IPs and would like to setup DMZ for Web, Exchange server and FTP. How do I setup interface and sub-interface for the DMZ?Can I continue using ISA Server connecting to Cisco 5510 on the perimeter? If so, How do I set the interfaces (and sub-interfaces) as well as NAT-ting and access configuration between the inside and outside?
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Sep 14, 2011
I'm trying to setup port mirroring on a Cisco ASA 5510, but when I try to use the switchport monitor command, that command is not recognized.I've selected what interface I want to configure (conf-if), but the switchport command seems to not be part of the IOS.I'm running ASA version 8.2(1)
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Dec 18, 2011
I have an ASA 5510. I am doing a new install at our new data center. I am having trouble getting internet access from an inside LAN interface to the outside WAN interface.Our colo center has given us the below IP info. [code]If I do a static config on my laptop of IP 198.145.XXX.82 Mask 255. 255. 255. 240 DG 198.145.XXX.81 I am able to get the web fine from the line in our rack. I used the ASDM software to setup the ASA. I set its WAN IP of 198. 145. XX X. 82 and mask as 255.255.255.40 for interface 0/0. For interface 0/1 I made a management LAN of 192.168.180.1 with mask of 255.255.255.0.I can connect to my LAN ok but do not have outside internet access. I have also tried .80 and .81 for the WAN IP of the ASA. [code]
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Apr 1, 2012
What I am attempting to do is setup snmpv3 on two failover 5510's .The problem I am running into, the snmp management software rejects one of the devices as it sees it as having a duplicate engine ID since the two devices share the same config. Would like to know how this would work in an active/active setup being able to poll both devices.
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May 10, 2012
getting my additional IP addresses working on my ASA 5510. I have a /29 allocation and outbound access and inbound access to my internal www server is working fine through the default outside interface. However, I now need to setup a second IP address that maps internally to a different web server. When I setup a new network object with automatic NAT translation to the new IP address, it does not work. If I setup the same scenario using the outside interface, it works fine. What is the proper way to setup additional IP address on my ASA v8.4?
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May 8, 2012
We have 2 ASA 5510's setup in an active, standby failover configuration. When the primary fails over to standby, the 3rd party cert does not failover to the standby ASA. The users then receive the CERT missing, invalid message and have to select yes, no to move on. This does not occur when the primary is not in failover mode. It is my understanding that failover fails over certs but in our case it does not apper to be working correctly.
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Mar 7, 2013
Trying to set-up a priority queue for Voice and Video traffic, below is the current ASA config. The WAN link is 6mb, trying to limit the Internet traffic to 4mb and save 2mb for the PQ, config belowTraffic just isn't hitting the PQ
priority-queue outside
queue-limit 512
tx-ring-limit 200
!
class-map Video
description Video
match dscp af31
[code]....
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Dec 9, 2012
I have an ASA 5510 running 8.4 with dual ISPs setup on 2 different interfaces: outside(primary),backup(backup). I also have a site to site VPN to another ASA in another city. The VPN is now setup on the outside interface and works fine. What I wanted to do is to make the VPN run over the backup interface only.
So, I modified the the crypto map on the remote side to use the backup interface IP and created a tunnel-group for it. I then created a crypto map for the backup interface and enabled ikev1 on it. The default route is set to use the outside interface so I created a static route that routes traffic bound for the outside interface on the remote side to the backup interface default gateway. I can get the tunnels to establish but no traffic is passing through them. I though then that I need a NAT for the tunnel traffic to I created a NAT as well but still no traffic passed. I tried the packet-tracer and it said the traffic was allowed and from the show crypto ipsec sa command I can see the tunnel setup but no traffic will go across it.
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Sep 4, 2011
I need a configuration example of MPLS with VPN as a backup Router cisco 2851
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Aug 20, 2012
I am looking to setup a solution for backing up a Metro Ethernet connection on a 2951 using an 1841 and 2 T1's in a Multilink. The Metro E will be primary, and if the BGP peer goes down, I want it to switchover to the 1841. Can it be done and is there an example of the BGP setup to work off of?
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Nov 12, 2012
We have a 5510 and I have a second ISP setup for a backup link. We have 4 ports connected to 4 different internal subnets. I want to force one of the ports to use the backup ISP link at all times. I'm having a little problem with where I need to make the changes in my ASA.
Interface "outside" is my main ISP
Interface "building3" is my backup ISP.
I want to force the "Guest" network to use the "building3" link for all traffic. Here's a snippet of my config
global (outside) 10 interface
global (building3) 10 interface
nat (inside) 0 access-list nonat
nat (inside) 10 0.0.0.0 0.0.0.0
nat (Guest) 10 0.0.0.0 0.0.0.0
[URL]
Do I need to change the global pool or create a new one? I have a couple free public IP addresess on the building3 subnet I can use for a pool.
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Mar 4, 2011
I have two ISP circuits and the following devices in hand:
1. Cisco ASA 5510
2. Cisco 2800 router
3. Cisco 3750 switch
I've finished a part of the configs on above equipments, please refer to the attached diagram.And I'm making a test in order to achieve the below features:
1. By default, packets from PC1 go out through ISP 1. Packets from PC2 go out through ISP 2
2. When ISP 1 is down, packets from PC1 changed its way to ISP 2 through the 2800 router. And when ISP 2 is down, Packets from PC2 changed its way to ISP 1 through ASA 5510.
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Apr 1, 2008
I'm looking for a system to backup the configuration of the ASA like this I've noticed:
if the ASA is 5510 or higher and has sw 8.x and ASDM 6.x we have ASDM -> Tools -> Backup Configuration command that create a folder containing all configuration files and webvpn personalization
What I have to do to have the same command on ASA 5505 sw 8.x and ASDM 6.x? Or is there someting similar using the console too?
And what else for ASA which have sw 7.x and ASDM 5.x, is there the possibility to backup webvpn personalization?
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Mar 3, 2011
I have a customer with active/standby on a pair of 5510's with the CSC modules. They were inquiring about the AIP/ASA, and since this would NOT work in their current setup, would getting a pair of 5510/AIP configured for transparent failover work placed in front fo the existing units? Would I need to have a switch placed between the AIP and CSC ASA's? Or would I setup the ASA's for context based Active/Active failover to interconnect the ASA's to the existing units, but I still see a need for a switch.
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Mar 21, 2012
Is it possible for AnyConnect to utilise the backup server defined in the connection profile when the session limit is hit on an ASA? Essentially if I hit the 250 limit on my ASA 5510 in Region A, will it try the backup server ASA defined in the connection profile which is in Region B?
From what I have read, the backup server only kicks in when the AnyConnect client cannot connect, but in this scenario it will connect but get an error message.
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Dec 14, 2011
I have one ASA 5510, a primary ISP (cable, the single public IP lives on the ASA), and a backup ISP (ADSL, separate router that hosts its single public IP). I use IP tracking to detect link down on the primary. When I pull the plug on the cable modem and go to "Route monitoring", I can see the ASA's default route is now the backup ISP default route.That conforms with [URL] Pings to 8.8.8.8 fail however, and when I do a packet trace the ASA complains about the dynamic nat rule that still points to the primary ISP's interface.Only when I change the existing dynamic NAT rule (on my inside interface) to use the backup ISP's pool (which is a single 192.168.x.y address) , does 8.8.8.8 reply to my pings. So it kinda works but it's not full auto . I can't add a second dynamic nat rule on the same inside interface, nor can I select 2 IP pools in a single dynamic nat rule.
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Jul 24, 2012
how to configure a backup route to the internet. My client has 2 ISP and basically they want to use 1 ISP and in case the ISP fails, use the other one as backup route to the internet.
The problem I’m facing is that each ISP is plugged to a dedicated ASA 5510, so 1 ISP in one firewall and 1 in the other. Both ASA are plugged to an internal network in a dedicated VLAN with a L3 switch and that L3 switch manages the internal network.
My question is, how can I tell my switch to use ASA1 to go out to the internet and in case the ASA 1 OR THE LINK TO INTERNET used by ASA 1 fails, use ASA 2? It would be great if I can send traffic to the internet thru both connections at the same time. Also, I know the ASA has High Availability configuration, but that applies only if both licenses in the devices are the same and I have a mismatch with the SVPN license, and also I don't know if with my current topology I can use the High Availability model, so I think I can’t use that option and the solution must be applied in the L3 switch, but I don’t know how to tell it to use ASA1 and if failure of the device or the outside interface plugged to ISP 1, then use ASA2. Besides, I would like to know how to optimize this config to do the switch between internet connections seamless to the users if possible (there are VoIP calls on this floor, so I don't want to drop the calls).
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May 8, 2012
I am working with a client that currently has an ASA 5505 with two ISPs for failover using a tracked interface. I would like to configure logging so that the ASA will email us when the Primary ISP goes down and fails over to the backup. Here is what I have so far...
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
switchport access vlan 12
[code]....
The primary interface is Outside and the backup is obviously Backup
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Jun 13, 2011
I'm having problems configuring an asa 8.2(1) with a backup isp. I followed the asdm instructions in this document: [URL]
I have my backup interface configured as DHCP and the static routes set. Pinging the gateway and other external IP address from the backup interfaces works normally. I have also tried configuring the backup interface as a static address but got the same results.
When removing the primary wan link, all traffic stops. When I ping a external DNS, I get these errors in the log: portmap translation creation failed for udp src inside: 192.168.13.23 dst backup:208.67.222.222_type 8, code0)
I though this type of error is related to a NAT problem, not sure where to look though.
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Dec 19, 2012
ASA5510 ios v8.4.I've setup dual ISPs and I'm trying to get ipsec VPN client access to work on the backup interface (outside-backup). The goal is to have outbound traffic on the inside subnet NAT'd through the main interface (outside) while inbound ipsec VPN clients connect and operate off of outside-backup.crypto map is applied to 'interface outside-backup,' however clients are unable to connect. If I switch the default route to go through outside-backup everything starts to work again.
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Nov 21, 2011
I have setup ASA 5505 with 2 ISP, named outside (primary) and backup, the scenario is if outside down, then backup will take over, it works now. But it is not working when the primary connection cannot reach the gateway with the interface still up.
Is it possible when the primary connection cannot reach the gateway then backup automatically take over?
My configuration is:
ASA Version 8.2(1)
!
hostname cisco
[Code].....
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Jun 3, 2012
I installed a new ASA 5512-X over the weekend for a client. Their backup ISP connection is DHCP based. I need to use the 'dhcp client route track' command on the interface, but it is not available. However according the all the documentation I am looking at and even the ASDM says it should be available.
This is the version of ASA and ASDM they are running:
Cisco Adaptive Security Appliance Software Version 8.6(1)1
Device Manager Version 6.6(1)
I did upgrade to the latest ASA software, so has this command been removed? If I do a '?' in the interface, there isn't a 'dchp' option.
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Jun 12, 2013
I have a production ASA 5505 that is working perfectly. I wanted to take a spare ASA 5505 and copy the running config to it so that I would have a backup unit that could be swapped out if the production unit went down.
Both units have security plus and running 8.2(1). The only difference is that the production ASA has 512MB of RAM while the backup ASA has 256MB. Also the backup has anyconnect and the production unit does not.
I copied the running-config to my tftp server and then copied the running config from my tftp server to the backup ASA as startup-config. After reload the device booted with an identical configuration to my production ASA, but after swapping out the units to test it, I have no access to the WAN or DMZ from my LAN. Swapping back to the production unit and all works as it should.
I printed out the running config from both devices and compared them line by line. They are identical except for the anyconnect line on the backup ASAs config file.
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Sep 13, 2011
I need to implement the backup between two sites I have router 2800 which is having a point to point connectivity with the far end.At the far end there is no router ,only one firewall is there on that firewall one access-list is there to allow the traffic .To implement the back up link i have created a site to site vpn .But the problem is as soon as the tunnel is establised .For the time being i have removed by site to site config from both firewall.
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