Cisco Firewall :: Create A Backup ASA 5505?
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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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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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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Jul 24, 2012
on my Active/Stanby ASA5505 has Sec+ License(trial), I can't create more then 3 nameif interface however,
Licensed features for this platform:
Maximum Physical Interfaces : 8 perpetual
VLANs : 3 DMZ Unrestricted
Dual ISPs : Enabled perpetual
VLAN Trunk Ports : 8 perpetual
Inside Hosts : Unlimited 17 days
Failover : Active/Standby 17 days
VPN-DES : Enabled perpetual
VPN-3DES-AES : Enabled 17 days
AnyConnect Premium Peers : 2 perpetual
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Jan 28, 2013
I'm working on setting up a backup link for our ASA 5505 and I've followed these directions: [URL]
The backup ISP gives us a dynamic address, however, when I enable the backup ISP's interface on the ASA, my vpn tunnels drop. As soon as I disable the backup interface, the tunnels come back up. I'm attempting to configure this across one of these tunnels, so obviously this is an issue, as is the fact that other people need the tunnels as well. I'm not sure what I did to make this happen, but I've been over the config many times and can't see anything different from the instructions in the link above.
I thought it might be trying to route traffic across the backup interface, but my primary interface is tracked and has SLA running on it, so I would assume it wouldn't roll over onto the backup interface.
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Oct 29, 2012
I have 5505 license with default 10 user license, want to increment the remote vpn user to 50 user license;will it be on yearly basis.Another question, can we purchase security plus license for configuring the failover config ,as well support the 50 user license on the same..
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Jul 11, 2012
I have a Cisco 5505 with a security plus license and but I can’t seem to create sub interfaces on it.
ASA1(config)# sh ver
Cisco Adaptive Security Appliance Software Version 8.2(2)4Device Manager Version 6.0(3)
Compiled on Wed 03-Feb-10 14:17 by buildersSystem image file is “disk0:/asa822-4-k8.bin”Config file at boot was “startup-config”
ASA1 up 1 day 18 hours
Hardware: ASA5505, 512 MB RAM, CPU Geode 500 MHzInternal ATA Compact Flash, 128MBBIOS Flash Firmware Hub @ 0xffe00000, 1024KB
[code]....
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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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May 17, 2011
I have a customer an exisiting 5505 which connects to multiple sites for a site-to-site VPN. This firewall was not installed by myself originally I have just been asked to take a look now.The situation is that we now need to edit one of the existing site-to-site VPNs to include the remote sites expanded network. I have tried doing this through the ASDM and have found that I cannot add new network objects. I have tried creating a new network object group and then added the new networks from there but I am completely unable to add the new objects.I believe a picture tells a thousand words in this case so I have attached some images which show the problem. I have also tried going through the VPN wizard, this also does not allow me to add new network objects.
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Nov 7, 2011
trying to configure our ASA 5505 (hence my request for the ASDM). However, I can go CLI if push comes to shove.
What I'm trying to do is allow a range of IP addresses on the inside interface (those which the DHCP server is doling out IPs which are XXX.X.XXX.14-140) to access email only (which is hosted offsite). They still need to access the file servers which are on the inside but nothing should be going out to the internet other than email.
I believe I have to create a Network Object which contains the IP range I wish to restrict. I can see where I add the Network Object but I don't know what the syntax should be to specify the address range.
I'm also not sure what the sequence of the ACLs should be and whether or not I can keep the default Access Rules in place. There are the two implicit rules: 1) Permit any traffic out to less secure networks 2) Deny any traffic to anywhere (which is superceded by rule 1, yes?)
To create an Access Rule like the one I desire, do I need to move the two existing rules down the list so that the new one will supercede both implicit rules?
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Mar 20, 2012
I just upgraded my firewall to ASA 5505. Now, my original static ip address cofiguration is gone. Apperantly, Cisco went away from static ip address to something like nat (inside,outside) dynamic interface. how to create a static ip address under version 8.4? By the way, I am sharing what my configuration used to look before upgrading.
!
hostname cisco-asa
domain-name default.domain.invalid
names
!
interface Vlan1
nameif inside
security-level 100
[code].....
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Apr 19, 2012
I'm trying via the ASDM to port forward http connections to a DVR for the purpose of viewing IP cams.I've tried via ASDM to create a public server but I'm not allowed to use my public IP address for the public Interface.I have only one public IP address available.Is there any way round this ? I would also like to know how I can enable NAT with PAT.I've tried setting the outside Interface for use with PAT but It keeps reverting to the setting for a range of external addresses.I'm not really used to the ASA cli yet , I'm getting there.If there's a workaround via the CLI , I'll take that route.
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Mar 6, 2012
Just started using our ASA 5505 v8.2 (1) Trying to configure the ASA appliance to allow access into an internal resource (i.e want to be able to RDP into a system behind the ASA from the internet).I have used a static NAT:
static (inside,outside) 100.100.100.2 192.168.1.28 netmask 255.255.255.255
access-list OUTSIDE extended permit tcp any host 100.100.100.2 eq 3389
When I view the logs it is reporting the following:Inbound TCP connection denied from 206.100.100.1 (external IP) to 100.100.100.2 /3389 flags SYN on interface outside.Been pulling my hair out with this one as I believe I have everything configured correctly.
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Nov 28, 2010
My asa5505 frequency restart and create a crash-infor file.
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Dec 20, 2010
what is the simplest way to create backup WAN connection?I have setup 2 WAN connection(2 ISP, 1 is DIA w/ fix ip, 2 is 3G), but if I enable both interface ,then I unplug WAN 1. no traffic goes to WAN 2.I have already have 3G connection enable all the time (w/ command "dialer persistent") Cisco 2811+ Cisco-HWIC-3G,
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Nov 22, 2010
I am trying to create a backup tunnel from an ASA 5505 to a pix 501 in the case of the Main ISP failing. The Pix external side will stay the same, but not quite sure how I can create a new crypto map and have it use the Backup ISP interface without bringing down the main tunnel.
My first thought was to add the following crypto map to the configuration below: [code]
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Oct 10, 2011
I have a Cisco ASA 5505 as a BOVPN endpoint using certificates. The config is complete and I now need to back it up and restore to a cold standby Cisco ASA 5505 that will sit on the shelf until something goes wrong.
Problem is I cannot restore my certifcates to the standby.
I have tried the backup and restore wizard in ASDM and to be honest it didn't work.
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Oct 4, 2011
Is there a way to backup the configuration file to a tftp server? I've tried "copy start tftp" and copy run tftp". No luck, I get an error message.
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Dec 21, 2011
I need to backup my ASA 5505 configuration and restore it to default, then I'll configure manually the new config, but if something doesn't work I want to restore the backup made before.
I tried the "copy run tftp" command, and it always answers the same: Result of the command: "copy run tftp" [code] I read everywhere its supossed to prompt asking me tftp server address and file name.
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May 27, 2011
I have two cisco ASA 5505 devices and two cisco switches plugged to ASAs in each office. I need to create a VPN tunnel between two offices.
-Network behind the ASA1 in office1 is 192.168.1.0/24 with DHCP server – 192.168.1.10
-Networks behind the ASA2 in office2 are 192.168.5.0/25; 192.168.5.128/26 and 192.168.5.192/26
All computers in office2 need to get IPs from DHCP server 192.168.1.10. I have switch in office2 with 3 VLANS and I can assign computers from different subnets to different VLANs.How can I archive this goal? Should I assign 3 IPs for ASA2 inside interface (192.168.5.1, ...5.129, ...5.193) as a default gateways for each subnet? Should I put dhcp helper address 192.168.1.10 on the switch for each VLAN?
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Feb 21, 2013
we have a cisco asa 5505 and it working great .i want to create web server that only selected public ip address can access.
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May 8, 2012
I have a newly aquired asa 5505 that I just set up to the bare minimum configurations. I followed a cisco paper on how to create a "remote access vpn" setup for ipsec. I can sucessfully connect and establish a VPN, but when I try to access an inside resource from the vpn address, the asa blocks it.
Specific error is: Code...
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Mar 13, 2011
I have 2 ASA 5505 Firewall, I Configured Site 2 Site VPN no both the fitrewall, as i have a dual ISP, i am able to create the tunnel with primary but once my primary is down i am not able to create the tunnel with back up ISP. During the troobleshoothing by typing Show isakmp sa and Show ipsec sa, i can see my tunnel is up, but not able to decap the packets.
As it will look like
#pkts encaps: 15, #pkts encrypt: 15, #pkts digest: 15 #pkts decaps: 0, #pkts decrypt: 0, #pkts verify: 0 #pkts compressed: 0, #pkts decompressed: 0 #pkts not compressed: 15, #pkts comp failed: 0, #pkts decomp failed: 0 #pre-frag successes: 0, #pre-frag failures: 0, #fragments created: 0 #PMTUs sent: 0, #PMTUs rcvd: 0, #decapsulated frgs needing reassembly: 0 #send errors: 0, #recv errors: 0
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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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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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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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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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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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Nov 15, 2011
On our cisco 3750 switches we can take config backups with the archive command. After every "write mem" it rights the config to our backup server. We would like to do this also for our asa 5520 with version 8.2(2). I also searched in the command reference guide, but I can't seem to find the proper command to do it.
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Feb 20, 2011
I like to take log backup in ASA.. and i like to check whether any attack pattern is there?? how could i do this...?Also how could i do a best practise for this?
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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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Nov 3, 2011
I have a client that has an ASA 5520 that has two internet connections, FIOS and Comcast. The ASA is configured to failover from the FIOS to the Comcast if the FIOS fails. This works perfectly fine. However, I was wondering if VPN and other inbound traffic will come into the secondary connection when it is active. I think VPN will work inbound when the FIOS connection fails, but I am not sure about the other inbound connections.
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