Cisco WAN :: Translation Rule Failover To Second Server On A PIX 515e
Jan 27, 2011
i am trying to find out if it is possible to have a translation rule fail over to a second server if the primary is down on my cisco pix515e.so for instance having an external ip address of 82.x.x.x mapped to an internal ip of 10.x.x.1
If 10.x.x.1 is down then 82.x.x.x should be mapped to 10.x.x.2.The reason i am asking this is i also have 2 css11501 load balancers and would like to have our staging servers primarily sat on one with secondary connectioin to second, production on the other failing over to each other if one is down. The load balancers will be connected to different ports on the same firewall.
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Jan 3, 2012
I am trying to setup a translation rule that takes any three numbers that start with a 4.. and translate it to 14.. I have tried a few ways of what I thought would work but nothing is working.
Examples of what I have tried:
rule 2 /(...)/ /1.../
rule 2 /4../ /1.../
rule 2 /4../ /11/
This is the rule that I use to delete the 1 when traffic flows out of my voip system.
rule 1 /^1(...$)/ /1/
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Jul 17, 2011
I have a network with multiple voip gateways run by an Asterisk server. Among others, I'm using a Cisco 1760 with a VIC-BRI as ISDN gateway.To standardize the dial patterns between these different systems, I have decided to systematically translate them to e.164 before sending them from one system to the other.
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Mar 6, 2011
I am looking to change my Failover Int IPs on my PIX 515E Bundle, Cisco PIX Firewall Version 6.3(5)123 with the least impact on the network.
For example:
interface ethernet5 "state"
IP address 172.18.0.245, subnet mask 255.255.255.252
ip address state 172.18.0.245 255.255.255.252
failover ip address state 172.18.0.246
I want to change these lines to .....
interface ethernet5 "state"
IP address 172.18.0.185, subnet mask 255.255.255.252
ip address state 172.18.0.185 255.255.255.252
failover ip address state 172.18.0.186
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Apr 16, 2012
Is there a way to wipe a 515e clean and get ride of the Failover Only license and just have a basic licesne loaded? I got this off of ebay and I guess I missed where it said Failover Only, and I would really like to use it.
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Feb 12, 2012
Turned up a new colo service last week using some PIX 515E firewalls and two Cat 2950 series switches. I have attached a diagram of the layout which I have used elsewhere with good success. Basically I have two switches connected together via port channel (2 ports). The colo facility gives me two HSRP enabled links, of which I plug one into switch A and the other in switch B. The PIxes are a failover pair with the primary plugged into the same switch A as the primary HSRP link.The backup PIX is plugged into the backup switch where the backup HSRP link is. When I unplug the primary HSRP link the PIX can ping the HSRP gateway still, but nothing beyond that. Nothing gets it to work until I plug the link back in.
The only thing I could see that might cause an issue is the 'ip verify reverse-path' command on the PIXes. But even the switches cannot ping out beyond the HSRP gateway. Just seems like all inbound routing stops. I am not sure what the colo facility has going on their side but it seems like they are using just some Cisco 6509s and doing HSRP between them. Seems pretty simple but so far this is proving un-usable as is.
The PIX BTW just uses a default route to the HSRP gateway.
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Apr 2, 2011
Currently, my customer has 2 units of Cisco PIX 515E running on Active/Standby mode. As for the heartbeat link, there are 2 dedicated switches placed in between both the Cisco PIX 515E i.e. FW1 --> SW1 --> SW2 --> FW2.
My customer will be changing both the Cisco PIX 515E to Cisco ASA 5510. Now, they are asking me, since they will be using Cisco ASA 5510 eventually, can the heartbeat link be a direct UTP cross cable or must the 2 switches in between still exist?
I remember I have tested this before, few years back, in the event I were to pull out the UTP cross cable that's connecting both the Cisco ASA 5510 Firewalls directly (without any switches in between), the Active/Standby mode still works fine. It doesn't go bad whereby both the Cisco ASA 5510 suddenly becomes Active/Active, and causes network issue.
Are switches required for the heartbeat link in a Cisco ASA environment or can a direct UTP cross cable connection be adequate.
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Jan 18, 2011
what is the purpose of the "Permint all traffic to less secure networks".
Well I know the purpose and the technique to handle some sercurity level is nice. when I cannot add add a rule without deleting this implicit rule?
The technique of security level is then obsolete?
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Jan 25, 2012
I am trying to change the DNS server that my VPN gives to VPN clients on a Cisco PIX 515E. What command will change it from 10.6.0.2 to 10.6.0.4? The software version is 7.2(3)
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Aug 28, 2011
How to put two vpngroup vpnadmin dns-server addresses on a PIX 515E? I am trying to set up a second DNS Server and without the command in the PIX my VPN clients cannot authenticate through the PIX on the second DNS Server. I have tried several times to put the command in but it keeps removing the existing one and replacing it with the one I try to put in.
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Jul 27, 2011
I accidentally setup two schedule rules both with the name of "Log". When I highlight either rule, and try to delete either, I get error "The rule is being used by another rule and cannot be deleted" How do I delete?
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Mar 24, 2011
I have a PIX-515E that I'm trying to configure for what I thought would be a simple task. I've been playing with VMWare ESXi on a Dell PowerEdge 1850 in a lab environment. The server's IPMI is bound to one of its two physical interfaces, which I've connected to Ethernet 1 on the firewall. The interface has the following configuration:
PIX Version 7.2(4)!interface Ethernet1 nameif FrontEnd security-level 40 no ip address!interface Ethernet1.2 vlan 2 nameif IPMI security-level 90 ip address 172.16.0.161 255.255.255.224
The server's baseboard manager has been configured to tag its traffic on VLAN 2, priority left at 0 (default), and its IP address appears in the firewall's ARP cache; however, here's what I get for a ping response: Sending 5, 100-byte ICMP Echos to 172.16.0.164, timeout is 2 seconds:?????Success rate is 0 percent (0/5)
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Aug 22, 2011
I need to redo the configuration on the new one?
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Jun 16, 2011
currently I face problem with outside nat translation and Im not sure how to solve it. I gotta 881 router
int vlan1
ip address 10.10.10.1 255.255.255.0
ip nat inside
[code]...
and remote server 100.100.100.25 routed to interface fa0/0. So the problem is that hosts from V lan 1 and V lan 2 want to communicate to this server, but they cannot route, which means, that I have to "give" them some IP from their range as fake address of this server and translate it. So I did
ip nat outside source static 100.100.100.25 10.10.10.7 (for Vlan 1)
ip nat outside source static 100.100.100.25 20.20.20.7 (for Vlan 2)
but I get
% 100.100.100.25 already mapped (10.10.10.7 -> 100.100.100.25)
As far as I understand router doesn't allow this translation, because if the communication would be started from outside (initial packet would come from server side), router wouldn't know how to translate its source address.
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Aug 24, 2012
I am going with ASA 5520, know how many NAT translation is possible.
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Aug 1, 2010
My remote VPN clients aren't able to do anything network wise once they have connected to the VPN. The ASA keeps coming up with "no translation group found" in the log.
Result of the command: "show running"
: Saved:ASA Version 7.2(2) !hostname ciscoasadomain-name office.propertyfinder.comenable password ######## encryptednamesdns-guard!interface GigabitEthernet0/0 description Office Network Interface nameif Office-LAN security-level 100 ip address 10.121.10.4 255.255.255.0 ospf cost 10!interface GigabitEthernet0/1 description 4Mbps BTNet Internet Connection nameif Internet-Primary security-level 0 ip address 213.121.253.33 255.255.255.248 ospf cost 10!interface GigabitEthernet0/2 shutdown no nameif no security-level no ip address!interface GigabitEthernet0/3 description Office Wireless Interface nameif Office-Wireless security-level 10 ip address 172.16.0.1 255.255.255.0 ospf cost 10!interface Management0/0 nameif management security-level 100 ip address 192.168.1.1 255.255.255.0 ospf cost 10 management-only!passwd 2KFQnbNIdI.2KYOU encryptedboot system disk0:/asa722-k8.binftp mode passivedns domain-lookup Office-LANdns server-group DefaultDNS name-server 10.121.10.20 name-server 10.121.10.21 domain-name
[code]....
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Jan 5, 2012
I am looking for the SNMP OID to monitor the sh ip nat translations on a cisco 881.
#sh ver
Cisco IOS Software, C880 Software (C880DATA-UNIVERSALK9-M), Version 12.4(24)T, RELEASE SOFTWARE (fc1)
Technical Support: [URL]
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Thu 26-Feb-09 06:01 by prod_rel_team
[code]....
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Apr 8, 2012
We have a VPN configuration currently using a VPN3000 device. According to this [URL] and some others I seen DNS payload can also be translated in NAT configuration.How can I doing it with the VPN3000 box ? On my configuration DNS payload aren't translated, but it is maybe an option I need to set or unset !
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Oct 18, 2011
I have 5 static public IP addresses assigned by my ISP. I like to use one of these static public IP addresses to access one of my PCs in my office from the outside. So I like to configure something like:65.11.22.44 <-> 192.168.1.100.This translation is good for all protocols and all ports. Where I can configure this on the DIR655?
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Jan 31, 2013
Here is the setup :
site 2 site ipsec
pix 515 as the server (static ip)
Cisco 1841 (dhcp client)
ezvpn client works fine for normal users that want to just authenticate with the Cisco vpn client. i have a site 2 site setup from the pix to my house, the connection is "up" on both ends, i see phase2 initiate under the pix logs . try to ping nothing happens, even drop down the byte size and the DF bit (aka ping xxx.xxx.xxx.xxx -l 100 -f ) ping to the next routed interface hop and i get "no translation group found for icmp src outside: xxx.xxx.xxx.xxx <--- my internal network dst inside xxx.xxx.xxx.xxx <---- pix internal network .
Am i missing a NAT rule on the pix or the 1841?
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Nov 22, 2012
We've got an application that is running on our LAN that is using IP addressing to connect to the server (they refused to use DNS).The server is now being moved to a VM which will be on a different subnet. The supplier is now concerned that there will be a big down time due to him having to reconfigure each device (about 100) with the new server IP. If the server was external I know I'd be able to do NAT on the FW to make this work but can it be done internally on my 6500s? I want to have the devices pointing at their hardcoded IP address off 1.1.1.10 and NAT the destination to the VMware servers IP 2.2.2.10? Is this possible using cisco NAT?
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Dec 6, 2010
I have a nat and vpn setup on my Cisco 2801 router.Everything is working as expected except the NAT. I have a single static nat translation but it only works for inbound and not outbound. Going outbound, it uses the default overload nat address of the outside interface. [code] I want to add another mailserver. But I fear if one mailserver were to get black-listed, they would both be reporting there ip address as the same address (the one on the ethernet interface) which would blacklist both mail servers.Again, inbound nat works ok, but outbound is just using the IP of the ethernet0/0 address.
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Feb 20, 2013
Some network pros have setup our Cisco 3620 many years back during implementation.
I've just added a new server, with new ip, wanted to change the ip of ip nat translation in this router.
I did a show run, the config is this;
interface FastEthernet0/0
ip address 57.31.132.116 255.255.255.240
no ip redirects
[Code]......
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Jun 17, 2010
I upgraded an ACS4.2 to ACS5.1, and in the ACS View Dashboard „ACS – System Errors” I see the following error message: [code] Unfortunately I can't find any documentation what describe what ERROR codes mean, so I don't know what does 32603 ERROR code mean.
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Apr 26, 2012
I'm having a problem with the language translation for anyconnect.here's my setup:
-asa 5505
-asa version: 8.4(3)
-asdm version 6.4(7)
-anyconnect essentials
-anyconnect webdeploy: anyconnect-win-3.0.5080-k9.pkg
The anyconnect client is deployed by the asa using the webdeploy.my client machine is a windows 7 with regionnal settings set to french (canada).I added the language localization transform files for web deploy (the mst for french) to my asa using the asdm:remote access VPN -> network (client) Access -> anyconnect customization/localization -> Localized Installer Transforms -> add the french mst.
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May 30, 2011
I'm trying to migrate from olda PIX to newest ASA 8.4.1. Everything seems to be good except the static NAT. [code]
The inside interface uses implicit rule. ( permit any less secure network )
Although te above config the ASA logs the following.
TCP access denied by ACL from 94.94.94.94/2003 to outside:86.101.228.221/80
The 86.101.228.221 our public Internet IP whic are used as outside IP also.
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Mar 1, 2012
I have some issues with Twin PAT on ASA (8.4.2), there is sth I dont udnerstand FTP server is on the inside and client is in outside.
I did sth like this
object network NATED-11
host 20.20.20.11
object network REAL-2
host 10.200.200.2
object service SRV-FTP
service tcp destination eq ftp
nat (outside,inside) source static any any destination static NATED-11 REAL-2 service SRV-FTP SRV-FTP so teoretically there should be a problem in NAT cause there is a second channel for data etc. BUT according to docs "For applications that require application inspection for secondary channels (for example, FTP and VoIP),the ASA automatically translates the secondary ports."
The problem is that it doesn't work at all and got the syslogs
Debug on ASA shows
ASA5510(config)# nat: untranslation - outside:20.20.20.11/21 to inside:10.200.200.2/21
nat: untranslation - outside:20.20.20.11/21 to inside:10.200.200.2/21
nat: untranslation - outside:20.20.20.11/21 to inside:10.200.200.2/21
nat: translation - outside:20.20.20.252/37924 failed - port is not found in xlate(0-0)
[code]....
To make it work I need to modify the nat rule to sth like this (translate source of client to inside inteface of ASA) nat (outside,inside) 1 source static any interface destination static NATED-11 REAL-2 service SRV-FTP SRV-FTP / why its not working in the first place? aaa I forgot to mention that both modes of FTP were tested (passive and active)
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Jul 19, 2011
I am trying to change a static nat entry from this:
ip nat inside source list 1 interface Dialer0 overloadip nat inside source static tcp 192.168.0.246 25 interface Dialer0 25ip nat inside source static tcp 192.168.0.246 80 interface Dialer0 80ip nat inside source static tcp 192.168.0.246 443 interface Dialer0 443
to
ip nat inside source list 1 interface Dialer0 overloadip nat inside source static tcp 192.168.0.247 25 interface Dialer0 25ip nat inside source static tcp 192.168.0.247 80 interface Dialer0 80ip nat inside source static tcp 192.168.0.247 443 interface Dialer0 443
I have tried various methods from exec mode clear ip nat translation *
no ip nat inside source static tcp 192.168.0.246 443 interface dialer0 443 But I am getting cisco2800(config)#%Static entry in use, cannot remove.
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Dec 5, 2012
I have a server in a DMZ of my 8.4 ASA with nat:
object network FTP-SERVER
host 192.168.1.102
nat (dmz,outside) static interface tcp ftp ftp
And that's working well. However, I now need to translate the source address of connections from the outside to the FTP server as well. The aim is that the source address of packets when they reach the FTP server is an address on the DMZ subnet (as the default route for the FTP server now needs to be something else, not the ASA) as well as this outside-dmz NAT. I thought overloading the DMZ interface of the ASA? Or another IP in that range?
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Nov 1, 2011
I'm seeing plenty of these errors on my ASA5510. The ip's in question are IP's that my ASA is assigning VPN connection from my General IP pool.
Here are some examples:
<179>%ASA-3-305005: No translation group found for udp src External:172.16.50.112/29239 dst External:172.16.50.140/10009
<179>%ASA-3-305005: No translation group found for udp src External:172.16.50.113/20066 dst External:172.16.50.140/10009
<179>%ASA-3-305005: No translation group found for tcp src External:172.16.50.140/51228 dst External:172.16.50.111/29395
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Nov 12, 2011
I would like to know if Cisco Collector Engine 6.0 can recive and reading the sent address traslation logging of router ASR1006. Using Netflow v9.
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Mar 10, 2012
Trying to translate telnet for switches to the outside ip address at some random ports.
172.16.200.2:23 -> 10.199.199.2:2300
172.16.200.3:23 -> 10.199.199.2:2301
172.16.200.4:23 -> 10.199.199.2:2302
etc....
ASA 5510 running 8.4(3):
interface Ethernet0/0
nameif outside
security-level 0
ip address 10.199.199.2 255.255.255.248
interface Ethernet0/1.200
vlan 200
nameif inside
security-level 100
ip address 172.16.200.254 255.255.255.0
[code]....
I can not access the switch at 10.199.199.2:2301 . What am I doing wrong? Or should cleaning toilets be something I really should look at! Now if i run this NAT statment:
object network Switch_TN
nat (inside,outside) static 10.199.199.3 service tcp telnet 2301
I am able to access the switch at 10.199.199.3:2301
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Apr 18, 2011
How Stuff Works "How Network Address Translation Works"."This is where NAT (RFC 1631) comes to the rescue. Network Address Translation allows a single device, such as a router, to act as an agent between the Internet (or "public network") and a local (or "private") network. This means that only a single, unique IP address is required to represent an entire group of computers." so let's say 6-7 pc's can have access to the internet using the same IP. doesn't this causes any problems? what if one of those pc's was used fore doing something illegal? how can they spot it later on? or what if 2 or more pc's access (from that subnetwork) access the same website with the same IP?
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