Cisco Firewall :: ASA505 - 2 Sets Of NAT Rules To Accommodate Dual ISPs

Oct 10, 2012

I am setting up an ASA550 ver 7.2(3) - does this need upgrading?I have my ISP interfaces setup as primary and backup I have a static route pointing out:route primary 0.0.0.0 0.0.0.0 1.2.3.4 1 Question:Do I put the next static route to be route secondary 0.0.0.0 0.0.0.0 3.4.5.6 254 Will this set a high metric on the secondary route that will only take effect if the primary route is down? I assume I will need to have 2 sets of NAT rules to accommodate the dual ISP's

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Cisco Firewall :: Dual ISPs On ASA 5505

Dec 5, 2011

We have a cisco ASA 5505 with sec bundle plus
 
We have two ISP's:
 
ISP1 (Our IP = 30.100.150.50, gateway 30.100.150.8)
ISP2 (Our IP = dynamic, gateway 20.100.150.9) - ADSL 
Our internal LAN IP range is 10.9.8.0/24
 
We want to configure the ASA 5505 to allow users via ISP2 for http traffic We then want to use ISP1 for strictly VPN and access to internal web resources (eg OWA) as we have public IP's there.
 
Our idea was to configure two gateways on the ASA (e.g. 10.9.8.5 via ISP2 and 10.9.8.6 via ISP1)
 
Then give the users gateway 10.9.8.5 for web browsing etc Is this configuration possible on the ASA 5505?

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Cisco Firewall :: ASA 5520 For Dual Active ISPs

Dec 14, 2011

I inherited a network redesign project mid implementation and ran across an issue that I was not 100% sure able to be resolved.  Implementation is occurring in which the organization is changing over to a different ISP and we have some customers that will not be able to change their settings over to our new addresses from some time.  I have seen a lot of posts about fail over and dual ISP configurations, but I could not relate them to this particular scenario.

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Cisco Firewall :: ASA 5505 Split Traffic On Dual ISPs

Jul 31, 2012

I have an ASA 5505 current f/w & the security plus license (to get the 3 nameif interfaces). Can I split traffic between two ISPs, (VPN traffic to one destination on a T-1 on one VLAN, and all other traffic using DSL to another VLAN) and using a different nat policy on both? I know load balacing isn't supported, only failover. I was just wondering if there was a way to make this work.

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Cisco Firewall :: ASA 5510 Nat / Routing DMZ With Dual ISPs (4 Legged)?

Apr 11, 2013

I am in the process of configuring a ASA 5510 to replace an older PIX.  This change is part of migrating to a new ISP, so the process is complicated by the existence of two outside interfaces.  I have virtually everything working, but there is a requirement to be able to access hosts from the internal networks using both their private IPs and their public IPs.  The older PIX took care of this silently with little configuration, but the ASA has me twisted on the details.  Some of the hosts with public IPs are on the internal network and some are on a DMZ (not my design, inherited).  For the internal ones I implemented hairpinning to take care of the requirement, but I am having trouble with the DMZ based hosts.. Since there are two external interfaces each internal host has two IPs and two static NAT rules to handle incoming traffic from each external interface.
 
The routins and dynamic NAT entries we have in place take care of accessing the hosts using their private IPs on the DMZ, but I cannot figure out how to get the public IPs to work from the internal network.  It seems like a simple Static D-Nat shoudl do it, but when I add a Static D-Nat on the DMZ the public IP works, but the private IP breaks..  Is there a way to get them both to operate ?
 
Network layout looks like this (IP ranges altered):

DMZ  172.10.0.0.0 Class C
INTERNAL 10.0.0.0  Class C
Outside  1.2.3.0  Class C
Outside2  2.3.4.0  Class C

[code]....

After applying it I could access the public IP (1.2.3.50) from the internal network, but I could no longer access the DMZ IP (172.10.0.2) from the internal network. Is there any way to get this configuration to allow access to both IPs from the internal network ?
 
The problem here is that there are website links based on the public IP and the DNS is split so DNS returns the internal IP to users. As a result both need to be accessible from the internal network.. Not my favorite design, but the client (or in this case the boss) is always right so I need to get it working somehow.

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Cisco Firewall :: ASA5510 With Dual ISPs And Static NAT On Backup

Dec 12, 2012

Looking to have an ASA5510 with two internet feeds. Moreover, I would like to have my static nat translations continue to work on the backup feed. I have outbound nat working, however I cannot get the inbound nat to work. I had this all figured out in 7.x but now with 8.x I cannot seem to get it working. If anyone has a 8.x example config.

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Cisco Firewall :: Another NAT Port Forward On ASA505 With 9.1 (1)

Jan 19, 2013

I'm trying to do a normal port forward on a ASA 5505 with 9.1(1) and it is not working as it should.There are two ports that I want to forward, TCP 32000 and TCP 32001, from the outside interface.I tried a Auto NAT that gave rpf-check drop. [code]
 
I have tried diffrent configurations on this for several hours now and I cant get it to work.Could this be asymetric NAT with the dynamic rule? How can I troubleshoot this in a smart way?

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Cisco WAN :: Dual ISPs In ASA 5520

Jul 10, 2011

We got 2 ISPs -------> two ASA 5520 Primary / secondary --------> LAN . ASA is configured with ACL and Static NAT for our mail , web & ftp servers .
 
My question is how to configure the 2nd ISP on the ASA to auto switch to the 2nd ISP when the 1st is down with a backup static NAT and backup ACL for the new ISP , in other words how to configure a active static NAT and Backup Static NAT and ACL only for Exchange/Mail Server.Here is the example of our configuration where PIE is Primary ISP & EMC is Backup ISP.
  
ASA Version 8.2(1)
hostname Corp-ASA
enable password 2KFQnbNIdI.2KYOU encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
[code]....

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Cisco WAN :: Dual DHCP ISPs On ASA5505?

Jul 1, 2012

I've been searching the net for days now trying to configure the ASA5505 for dual DHCP ISP use. All guides available assume you have one static.
 
After realizing that it required a Security Plus license to even configure 3 VLANs.
 
I can choose a backup interface in ASDM. It even says dual ISP enabled. Why cant there be a guide or simple configuration example or am I the only one looking for this kind of solution?
 
Customer has two ADSL internet connections and want to switch between them if they fail. No load balancing required.

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Cisco WAN :: WAN / Dual ISPs - Can ASA 5505 Do Load Balancing As Well

Jan 24, 2010

I want to link ASA 5505 to two ISP's for backup purpsose. I can see this configuration example here url...
 
Question - does the ASA 5505 do load balancing as well for both connections - is there an example somewhere? (I do not want to buy two ASA 5505's!) which seems the only way I could find configuration details for!

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Cisco VPN :: Dual ISPs On ASA5510 And Remote Access Client

Jul 7, 2012

i have two public IPs on ASA5510 + Remote Access VPN Client, what i want to achieve is, i want VPN client users to be able to login using any of the two ISP's IP to remote connection to the ASA. what is the command to use to achieve this.
 
Secondly, i have setup the primary link VPN through ASDM but thinking i should do the same thing and add the "backup" interface.

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Cisco VPN :: ASA 5510 With Dual ISPs Split Traffic Between VPNs And Internet

Jul 1, 2011

I need to know how to setup my ASA with dual wan links. 1 is 10/10 fiber, other will be a 50/5 Cable Wideband link. The 10/10 fiber is currnetly being used for VPN's and Internet, (about 20 point to point IPSEC vpn's currently).
 
I want to add the Wideband link and use the "Tunneled (Default gateway for VPN traffic)", feature for the current fiber link and the new Wideband link for any other internet traffice. I tried this however as soon as I set my fiber link to "Tunneled (Default gateway for VPN traffic), I lost all connectivity.
 
I also setup my "VPN" link with the "tunneled" option and my "INTERNET" link with a default route to the internet. This would only let me ping internet sites from the ASA device but not from client computers, also the VPN's would not come backup.
 
I have tried the sla setting with a DSL line for failover and that works good, i've since got rid of the DSL and want to utilize 2 wan links for different purposes/traffic.
 
ASA 5510, SSM-10      1GB RAM
ASA version                8.4(1)
ASDM Version            6.4(3)
Context Mode            Single
FW Mode                  Routed
License                     Security Plus

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Cisco Wireless :: How Many Simultaneous Users Can CAP3503E AP Accommodate

Mar 7, 2013

I am doing right now a site survey using CAP3502E (downgrade to autonomous).  I have a certain section with 12 users and the client wants 5 users per AP.  Can the CAP3502E accomodaet 12 users at a time?

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Cisco Firewall :: ASA 5510 With Two Different ISPs

Oct 30, 2011

Currently we have a T1 for data connected to a 1721 Router that is connected to an ASA 5510.  We would like to add a FIOS line for dedicated online backup.  Is it possible to connect the FIOS router to the ASA and route the IP from our backup server to use the FIOS line and everyone else continue to use the T1?

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Cisco Firewall :: 5585x - Multiple ISPs Plus WAN And DMZ

Aug 17, 2011

Looking to replace an "all-in-one" type firewall (UTM/Firewall, SSL VPN) with a cisco product - the issue i'm running into is that we have multiple ISPs plus WAN and DMZ - overall more than 5 ports on mid-range ASA devices - and from what i read, adding 4-port module precludes me from adding CSC module.
 
Is there an solution to that other than going for 5585-x model? (kind of over our budget, granted we need 2 for failover)

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Cisco Firewall :: ASA 5510 - NAT With 2 ISPs / 2 Different Public IP?

Oct 17, 2011

We have an issue with some NAT on an ASA 5510. Here is a simplified drawing of the ASA setup:So the issue is when we try to send traffic from 172.16.3.251 to 1.1.1.1 we got this message in the log:
 
Oct 18 2011 12:32:12: %ASA-3-305006: portmap translation creation failed for udp src inside
172.16.3.251 /37166 dst outside:1.1.1.1/23
 
It looks like there is an issue with NAT but maybe is cause of the DUAL ISP setup as packets are routed through the outside interface and not IPtelefoni_outisde?

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Cisco Firewall :: ASA 5510 With Two Outside Interfaces Which Is In Separate ISPs

Jan 5, 2013

I have ASA5510 with PLUSE License.I have 2 Inside interfaces as STAFF and MAIL and two Outside interface OUT_STAFF and OUT_MAIL which is in separate ISP's.now i want to nat STAFF to OUT_STAFF and MAIL to OUT_MAILbecause I'm having two default routes it gets impossible to do.

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Cisco Firewall :: ASA5510 Version 8.4 Using 2 ISPs As Fail Over

Aug 9, 2011

I have a Cisco ASA 5510 and I am trying to set it up to be able to have it failover to the 2nd ISP connection if the 1st one ever went down.  I think I need a nat statement that the "backup" connection will use when the 1st connection goes down, but I am unsure what the nat statement is supposed to be.  I have added the commands that I am pretty sure that I need to add for the "backup" ISP connection.  Attached are those commands, the interfaces that are set up, and the objects that are set up in the ASA.

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Cisco Firewall :: PIX 515e 2 ISPs Max Speed Is Slower With ISP

Apr 19, 2012

have a PIC 515e connected to two ISPs via 2 interfaces.  ISP1 is a 3.5Mbps aDSL line, and ISP2 is a 30Mbps business cable.  I've confirmed the speeds by connecting the cabled directly into a laptop and using wget to download very large files from known-fast sites.
 
For admin reasons, I need to access two specific subnets using the slower ISP1.  The rest of internet traffic should go to the much faster ISP2.
 
So I configure ISP2 as the default gateway, static routes for the two subnets to ISP1, set up NAT (PAT) and it all works like a charm.  I've confirmed that ISP1 is used for only the two subnets, and ISP2 for everything else.  CAPTUREs on the pix also confirm this.  So far, it all works great.
 
But for reasons I don't understand, my max. download speed is 3.5 Mbps (the slow DSL).  Using various speed tests and wget, I simply cannot get a download speed faster than my 3.5 Mbps DSL line.
 
 
Here is my config:
interface ethernet0 100full
interface ethernet1 100full
interface ethernet2 100full
[Code]....

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Cisco VPN :: ASA505 Establish IPSec Between Office And Another External Site

Dec 29, 2011

We have to configure our firewall cisco Asa 505 (ASA Version 8.3(1)) in order to establish a ipsec vpn between our office site and another external site. Vpn has been established successfully between our ip site 172.16.69.24 and other vpn ip site 172.16.23.23.Our server (192.168.100.25) behind firewall cisco (sk lan 192.168.100.254) manages to ping server 172.16.23.23 on other site through a static route add on windows so server (route add 172.16.23.0 MAK 255.255.255.0 192.168.100.254).On the other site, server with ip 172.16.23.23 doesn't ping our vpn ip site (172.16.69.24) which has to be natted to our server 192.168.100.25.

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Cisco Firewall :: 5510 Split Traffic Between VPN And Internet Using Different ISPs

Aug 25, 2011

What we are trying to accomplish here use two ISP's (one cable and one T1), use the Cable line for site-to-site VPN and use T1 line for all internet traffic. We currently use the following configuration: Cisco 2820 routers terminating the T1 -> HP switch -> Cisco AS 5510 port 0 -> port 1 to LAN switch (Nortel 5510)We want to force all VPN traffic (using 10.0.0.0/24 subnets - 10.0.1.0, 10.0.2.0, etc) through a cable connection, perhaps on port 2 of the ASA, then all non VPN traffic goes to the T1.

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Cisco Firewall :: 837 Hardening Access And Firewall Rules

Mar 21, 2012

i have a cisco 837.I need hardening the access and firewall rules. I dont understand ip inspect.

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Cisco Firewall :: 2921 Firewall Allow Rules Being Dropped

Jul 5, 2012

I am configuring a 2921 with enhanced security using the CCP.  I have found a behavior that seems strange to me and I'm not sure if I'm misunderstanding something or missing a setting.  It seems that if I create a firewall rule to "allow" traffic through, that traffic gets dropped, but if I set the action to "Inspect", the traffic comes through fine.  I can actually reproduce this at will by setting up a rule from out-zone to self to allow traffic and I cannot telnet into it from an external ip, but if I change that rule to "inspect" i can connect fine (i dont want that rule set up permanently, was just using it to test the firewall).
 
If I set the allow rule to log, I see the following line in the application security log:
 
(target:class)-(ccp-zp-out-self:user-fw-ccp) Passing telnet pkt 1.1.1.1:58141 => 2.2.2.2:23 with ip ident 0
(where 1.1.1.1 is the external laptop and 2.2.2.2 is my WAN IP address of the 2921)
 
So it looks to be passing the traffic, but that traffic is getting dropped somewhere because the connection is unsuccessful.
 
Is this the expected behavior of "Allow" action?  Is there something I can do to make sure "allow" traffic actually gets through?

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Cisco Firewall :: New ASA 5515X Generation Support PBR Or Not / ISPs Links Redundancy

Jun 9, 2013

I need to know if the cisco ASA next generation specially ASA 5515X support PBR or no ?how to implement it? Also if i have many internet connections and i need to dedicate 2 ISP’s ADSL internet lines to certain service (such as mail) if the 1st fail, so the 2nd line come up to make redundancy with it ----------- Is this available on cisco ASA next generation.

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Cisco Firewall :: VPNs And Firewall Rules With PIX 515

Mar 25, 2011

I have a Pix 515, and a question about firewall rules/access lists.I have recently created a new VPN group, and IP Pool.I created a firewall rule that grants access via TCP to a specific IP address from this firewall.  However, when I test the VPN from outside the company, I find I can get to whatever server I want to.  There is no allow any/any.  I do not think there is any other rule before it or after it that would give that kind of access as most of our rules are for specific IP's and protocols.
 
The only thing I could think of is that we are using the account management in the firewall to authenticate the users.  I am giving the VPN users level 3 access.I will probably not post my config as it is my firewall config, and it would be against company policy.

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Cisco Firewall :: One To Many NAT Rules To Same DMZ IP ASA 8.2

Dec 5, 2011

Is it possible to provision 3 different public IP addresses to the same DMZ IP (Web server) on an ASA running ver 8.2(4)? Unfortunately, the way the server was provisioned Static or Dynamic PAT will not work.  I have read that ver 8.3 and up supports natively one-to-many NAT translations, but at this point the client is not ready for an upgrade. Is there anything else I could do to overcome this challenge?
 
Outside --------> DMZ
200.1.1.1------> 10.1.1.1
200.1.1.2------> 10.1.1.1
200.1.1.3------> 10.1.1.1

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Cisco Firewall :: ASA 8.4.(1) NAT Rules Ignored

Jun 24, 2011

I'm having some troubles with NAT, packets does not match nat rule (that i think it should) and is not choosing the right egress interface. So crypto map never starts
 
this is the relevant config:
 
interface Port-channel2.4
description Public TESA ADSL internet connection
vlan 7

[Code].....

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Cisco :: Command To List Firewall Rules?

May 17, 2012

Boss wants a listing of the firewall rules only. What's a command I can run that will give me a listing of this?If I can get an output of firewall rules only, via GUI, that'll work too. It just needs to end up with a printout on a piece of paper telling me what the firewall is doing.

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Cisco Routers :: RV120W - Firewall Rules

Jul 5, 2012

I have a problem with firewall rules. If I set some rules for open communication and some for closed, so I cannot reorder from the end to begin.

Last rules are at the end of all. So I can only reorder in one pages.(I have about 33 rules = 3 pages of rules)

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Cisco Firewall :: Creating ACL And Nat Rules On ASA5505

Mar 23, 2012

Ive migrated from my lab pix to a lab asa and am trying to open certain ports to my internal network.
 
in my confg on my pix i had acls to open port 51413 to an inside host along with the static nat rule.
 
what i am trying to accomplish is same on my asa, however the nat rules seem to be slightly different, and i'm not completely sure how to do it.
  
My ACL and nat rule is below.  I'm pretty certain my acl is correct,but i am not sure as to what to do with my NAT rules to allow a translation for the tcp service.
  
access-list outside-in extended permit object tcp51413 any object outside nat (inside,outside) source dynamic all-inside-nat interface

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Cisco Firewall :: Change Order Of Nat Rules (v8.4)?

Sep 26, 2011

I have a question about the new nat implementation in an ASA 8.4. when I perform a "show nat" I get the following result:
 
1 (outside) to (inside) source dynamic any NAT-SSL-VPN_172.30.100.250 destination static 00B_172.30.100.0_24 00B_172.30.100.0_24
    translate_hits = 26, untranslate_hits = 0

2 (inside) to (outside) source static LAN-HOST_172.30.100.11_LNX01 WAN-HOST_84.199.44.2_32_LNX01 service TCP-80-HTTP TCP-80-HTTP
    translate_hits = 0, untranslate_hits = 0
 
Is it possible to change the order of the nat rules without removing and reapplying the rule on position 1 ? (both rules have to stay in section 1)

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Cisco Firewall :: ASA8.4 VPN - Hit Count Is Zero On Rules

Nov 7, 2012

I have several working VPNs between ASAs 8.4 and 8.3The way this was set up is with cryptomaps that match whole subnets and ACL on the outside interface to permit from/to the RFC 1918 addresses.I notice that the hit count is zero on these rules and so I wonder if they are actually necessary or doing anything.If they are not where can an acl be applied to restrict the VPN traffic? Outbound on the inside interface?

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Cisco Firewall :: ASA5505 - Possible To Add Rules To Users

Aug 2, 2011

How can I filter my local lan's URL requests?  Is it possible to have some sort of list like...
 
Default_User_Group
*.microsoft.com/*
*.mydomain.com
*.google.com
 
Then only allow certain ip's access to the entire internet like this...
 
Internet_User_Group

It would be nice to possibly be able to add the rules to users in my domain, then associate the domain account with an IP OR have them login to view webpages.

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