Cisco Firewall :: Configure Dual ISP On 5505 8.4
Mar 27, 2013
I am attempting to set up failover dual ISP on a 5505 running 8.4(4) with the Sec Plus license. Everything i have been able to reference so far, points to old commands not available or relevant in 8.4
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For instance:
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global (backup) 1 interface
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
route outside 0.0.0.0 0.0.0.0 20.20.20.1 1
route backup 0.0.0.0 0.0.0.0 30.30.30.1 10
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What is the new syntax that should be used to mimic these commands? I have the sla and trach reachability configuration already set up.
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Oct 9, 2012
My client is transitioning to a new ISP and want to migrate there web servers in stages. therefore they would like to keep some servers running on the old ISP and some servers use the new ISP.
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I have set this up in a lab and keep running into routning issues (I am using 5510 for the lab as I do not have a 5505 available). I know that ASA's don't support PBR. Is there any way or trick to get this to work on the ASA?
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I have a feeling this is not possible and we would need to get another ASA or a Router to get this to work.       Â
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May 28, 2012
I need to configure my asa as follows: Two active ISP´s, one(ISP1) for outbound traffic (normal internet traffic) and the other one for inbound traffic(ISP2), http to a web server in the inside network. I have two default routes, one pointing to ISP 1 with metric 1 and the other to ISP2 with metric 2. I perform dynamic nat to ISP1 interface with hosts in the inside network and static nat to ISP2 interface with web server.
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May 7, 2013
I would like to configure a Cisco ASA 5505 with Dual ISP (ISP 1 and ISP2) and two networks (network 1 and network 2). My customer need that clients in the network 1 connect to Internet with ISP1 and clients in the network 2 connect with ISP2. If a failure occurs in ISP1 (just an example) the network 1 clients connect with ISP2.
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Apr 5, 2010
I have an ASA5505 with Security Plus license so I can have many interfaces (not 2 + 1 limited DMZ like in base license)
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I have 2 VLANs.Is it possible to use one ISP for VLAN 1 and other for VLAN 2 ? Is it limited to 2 ISP's or can have more ?
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Sep 18, 2012
I have ASA 5505 ver, 8.4(1) I have configured 2 WAN links to
1. Outside1 - distance metric 50
2. Outside2 - distance metric 20
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Currentry all traffic is passing thru Outside2 and it's correct, also s2s and ra VPN is also running on Outside2 ?My current case is to use Outside1 for webvpn services only. I can't use Outside2 becouse on 443 port other services are running, also I cant change webvpn port to other.
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How can I match packets incoming to interface Internet1 from Interner side nad route them back thru Internet1 interface.
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IPSLA is not a good solution becouse I need to have both WAN links used Now in routing table I have only onre record
S*Â Â 0.0.0.0 0.0.0.0 [20/0] via x.x.x.x, INTERNET2
for link with lower metric, but after some problems with provider for link Internet2 routing has changed for Internet1 and didn't change it back after resolving problem? how to create it for all traffic incoming for Internet1 interface from outside?
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Dec 5, 2011
We have a cisco ASA 5505 with sec bundle plus
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We have two ISP's:
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ISP1 (Our IP = 30.100.150.50, gateway 30.100.150.8)
ISP2 (Our IP = dynamic, gateway 20.100.150.9) - ADSLÂ
Our internal LAN IP range is 10.9.8.0/24
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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.
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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)
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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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Jul 4, 2011
I have a pix515 v6.3.3. Is it possible to configure dual ISP on two interfaces and have redundancy between them?
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Feb 27, 2012
I have a 5505 configured with a active/standby dual wan setup using the sla tracked connection settings. Is there a way to configure the ASA to stay on the backup connection after activating? We had a situation where the main T1 was bouncing, so the backup connection was being activated and deactivated very often. The problem is that there is an app being used that does not allow users to reconnect to dropped connections immediately, so every time the asa switches wan connections it causes a significant disruption.I should note that I already set monitor options frequency to 240 seconds. I could set it higher, but then we have a longer delay when the main connection dies.
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Feb 9, 2012
I have a small office with about 20 people. I currently have a T1 line which feeds a Cisco ASA 5505. I would like to replace the T1 line with two (2) ADSL lines. I need a dual WAN switch/load balancer. I researched a bit and found that Cisco RV042 will probably work for me even though I don't need another VPN and would have to disable it.
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My question: Is there anothe device from Cisco or others which will give me the dual WAN and load balancing but not the VPN piece. My assumption is that it would be a less expensive device if such an animal exists.
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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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Mar 20, 2011
One of my remote sites acquires Internet connectivity via a cable modem service. This goes down intermittently, of course. I would like to purchase DSL service from the local telco and configure the edge ASA (currently a 5505) to use the cable modem path normally ... and fall back to the DSL path if necessary.
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These seems hard to do. The edge box would need to evaluate the viability of a WAN path using some set of tests ... perhaps pings to a handful of major Internet sites. If all those pings start failing, it would stall for a minute, to give the WAN service provider time to recover ... then cut over to the second path. Cutting to the second path might mean pushing new DNS server addresses to clients (or perhaps the edge box would hand out both sets of DNS servers all the time and rely on the clients to try them all.) Once the cable modem provider restored service, the edge box would stall for a while (ten minutes? an hour?) and then cut back.
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I'm willing to replace the edge box with something fancier (a bigger ASA or something sold as a router or whatever), although I'd like to stay under 10K (list) for such a replacement.
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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)
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My configuration:
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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
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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
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track 1 rtr 123 reachability
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May 17, 2011
I need to move the client machines off of the 3750 (and their DHCP dependency on it) to the SGE2010 and absolutely route their internet traffic out through the outside interface on the 5505. They must also be able to communicate back into the internal environment in order to communicate with the production servers.
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The clients currently use .254 addressing through a dumb dell switch to the 3750 but I am trying to migrate them over slowly to the .253. I know that the 2010 will not do DHCP, so I am putting a DHCP server on that switch right now. The 5505 won't let me add an additional nameif statement onto one of the other eth0/x interfaces and I'm not sure if that has anything to do with it's capabilities to act as a DHCP server (it's not an option in the ASDM) or it's ability to serve as the internet gateway for the 2010 clients. (Side notes: The 5505 has a base license and is currently also connecting 1 site to site VPN. As is the 5520, so all of it's interfaces are used as well).
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I statically assigned a moved client with a .253 address and plugged it into the 2010. I have tried giving the 2010 both a .4 address and a .253 address but neither will allow me to ping any of the addresses on the 5505. The 2010 shows automatic routes to the two subnets and I set it's default route to 253.1. The link between the 2010 and the 3750 works - clients receive a .254 address from the 3750 and can get out to the internet via the 5505 and reach the production servers as well.
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Why won't the 2010 see the 5505 as a gateway and allow clients to get to the internet and also traverse the 3750 when they need access to the production network?
The reason why I dont' just connect the two swtiches and call it a day is because I also need the production servers to ALWAYS go out/receive web requests via the 5520 outbound/outside interface. I'm having such a hard time wrapping my head around why i can't get my clients moved over to the new switch, I haven't even grasped how I'm going to do that yet.
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Aug 25, 2011
Cisco ASA 5505 Security Plus 1 link with PPOE dialup for internet access
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desirable situation: Primary link with a PPOE dialup Secondary Link with DHCP address Asignment
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Problem: i want to configure Dual ISP Failover modus, but the problem exist when i configure the ip sla syntax it looks good in the running config. but after a reload the secondary line becomes primary
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It looks like the ppoe client authentication is busy when the ip sla tracking mechanism becomes active. can i tweak the settings that the ip sla tracking mechanism starts later?
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What i the correct config for Dual ISP setup with primary PPOE and secondary DHCP
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Mar 19, 2013
I am trying to configure an IPSEC vpn on an ASA5505 I setup an SSL vpn and it works fine, I can browse to the https: address log in and connnect to servers However when I try to setup the ipsec client access vpn it will not connect and I am getting the errors below I used the wizard for the initial configuration Looks like the inital IKE is being blocked or dropped?
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%ASA-7-710005: UDP request discarded from my external IP/35781 to external:ASA-external/500
%ASA-7-710005: UDP request discarded from my external IP/35781 to external:ASA-external/137
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Sep 14, 2011
I have a firewall Cisco ASA 5505, and currently it is a command line firewall. I want to configure ASDM so that i can use it as a GUI Web Base interface.I really don't know what to do. How can I configure ASDM on my firewall.
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Nov 15, 2011
I want to configure my Cisco asa 5505 as a dns server, so that when i configure any of my network systems ip address and use my firewall as a default gateway and dns ip, the system should be able to browse internet.
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Mar 20, 2012
Got new ASA5550, code 8.2.2 in flash, can't configure "nameif" or "ip address" on the interfaces: [code] These are all the options that I get! Another weird thing I noticed is "<system>" string in "show ver" top line: [code]
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Mar 18, 2012
I am absolutely new in the enterprise firewall world but I would like to start learning how to configure ASA 5505 and 5510. I did some research myself and I found that the material or the topic itself is a huge adventure (lots to read and understand). My company uses IOS versions until 8.2 due to the differences in the NAT-ting rules with 8.3 and 8.4.
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Mar 25, 2013
I have a test ASA 5505 at home. The DHCP IP address in my real home firewall is 192.168.1.x and as you are aware the default ip address in ASA is the same. how to configure the ASA.
In the link below there is an instruction, it seems it is working for everybody except me. I followed the instruction up and the only change was assigning the IP address, which I chose something other than 192.168.1.x But after the step of creating NAT, I do not have access to the internet. [URL] Also I followed the link below, but the revision of the ASDM in the instruction does not match with mine, so I was not lucky to figure the device.[URL]
1- How can I configure the ASA 5505 with an IP address different than 192.168.1.x (at home = no incoming static IP address = DHCP on subnet 192.168.1.x for the incoming internet) I have installed ASDM 6.3 on my laptop (From work) but when I connect to the ASA it wants to install ASDM 5.7.I tried to connect to the device through ASDM 6.3 and input the IP address 192.168.1.1It takes for ever and it does not connect to the device
2- How can I connect to the device by ASDM 6.3 or any ASDM with higher version than the original of the device?
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Dec 23, 2011
I want to configure multiple DHCP pool on ASA. that I create like
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int e0/2
no shut
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interface Ethernet0/2.10vlan 10nameif inside10security-level 100ip address 192.168.10.1 255.255.255.0
interface Ethernet0/2.20vlan 20Â Â Â Â Â Â nameif inside20 security-level 100ip address 192.168.20.1 255.255.255.0
dhcpd address 192.168.10.10-192.168.10.254 inside10dhcpd dns x.x.x.x y.y.y.y interface inside10dhcpd enable inside10
dhcpd address 192.168.20.10-192.168.20.254 inside20dhcpd dns h.h.h.h z.z.z.z interface inside20dhcpd enable inside20
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I have following query...
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1. int e0/2 work as trunk port, is it? any special confiduration require other than dot1Q?
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2. How can I configure inside interface? is it like,
   access-group inside_access_in_1 in interface inside10
   access-group inside_access_in_1 in interface inside10
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3. How can I configure static NAT ?
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4. How can i configured inside route?
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5. How can I configured default NATing?
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6. On which interface I access ASA? currently using inside interface.
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May 20, 2012
I have ASA 5505 with 8.4(2)8 software for one of my branch offices and I can't configure port forwarding.It seems to be very simple, but it's not working. I use my ASA as a gateway to the internet for users in office and for site-to-site IPSec VPN to HQ. I have pppoe-enabled outside interface, but ISP gives me static routable ip address. I have server behind my firewall and I should "publish" to the WAN some of its' tcp and udp ports, but I see that no packets forwarded through ASA. I tried to configure PAT as stated in official "Cisco Security Appliance Configuration Guide" through CLI and ASDM.[code]
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Nov 18, 2012
I have a closed network that is not connnected to the internet, just other sites that we want to communicate with. We have a cisco router connected to the outside interface on an ASA5505 and a cisco router connected to the inside interface on the same ASA5505. I have an inside interface that connects our management LAN, five separate DMZ interfaces with a separate LAN (VLAN) on each DMZ interface and the outside interface that connects to the other sites. Data is not allowed to mingle between the five DMZ's.Â
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Alll connections to the other separate nodes are handled with the router on the external interface. IPSEC GRE tunnels have been established between all sites and BGP routing has been verified. Pings are good between inside, dmz and external interfaces and between the DMZ's and the other sites, to include hosts on our local networks and hosts at the remote sites. Inter and intra traffic is enabled.
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When a remote site attempts an https connection, the initial ACK handshake makes it through the ASA5505, but the return SYN/ACK is being knocked down and I don't understand why (it is not because of ACL's, they are any any at this point).
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Why the return SYN/ACK to the remote site isn't getting through the ASA5505 outbound. Will probably have the same issue with FTP, but right now, just trying to solve one problem at a time.
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ASA5505 is in routed mode, not looking to NAT since the IP addresses in the DMZ need to be reached by their real IP address.
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Nov 1, 2012
I am trying to configure an ASA 5505 with a username and password. I set all the pass words: [code]
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When I reload the device it prompts me for the username, then the password and it fails and just asks for the username again. I have even tried to delete the username / password combo but it still prompts me for it. When I do password recovery the confreg is 0x00000001.
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Sep 16, 2012
[URL] I am not savy configuring ASAs at all and I can't get it to work. We are switching to a SIP trunk phone system and I am in charge of setting up the ASA to not only make it work but also make sure that there's packet priority or QoS.I've never configured something like this and I was giving another set of instructions to make sure that this is working:
[URL]
Configuration:
My configuration is very basic:
3 interfaces - Outside/Inside/Guest
ASA Version: 7.2(3)
ASDM Version 5.2(3)
Firewall Mode: Routed
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Solution: When I tried following the instructions on brian-kayser's blog I get an error when I'm sending the following command:
shape average
^Â Invalid marker
service-policy PRIORITY-POLICY
^ Incomplete commandÂ
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I think it's because my version of ASA doesn't have this functionality but I don't know.
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Jun 10, 2011
I am setting up a Cisco ASA 5505 first time for My organisation, I usually setup Cisco Router, I have 10 Static IP, & Have 6 Server (S-1, S-2, S-3, S-4, S-5, S-6), Traffic Should be pass through the ASA and is distributed to the destination server that is specified in the packet. LAN servers can be separated into discrete networks for security. For example, a private LAN for internal traffic accessed only via remote dial-in VPN sessions and Want to Configure DMZ for Server (S-4, S-5, S-6) that allows public web traffic.
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I have Attached My Network Diagram I have some question,
1:- Can we Configure Multiple Static IP On ASA 5505 ?
2:- If Diagram is wrong what change need to be done ?
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Nov 20, 2011
I am now going to configure IPSec VPN connection for Cisco ASA 5505 (Version 8.4)
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Nov 30, 2011
ASA 5505 and DMZ, I have a Base License.
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What do I need to do for access inside network to DMZ?
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I successfully configure, internet Access for DZM and inside network, web server can be accessed from internet, but I have problem to configure communication from inside network to DMZ.
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Apr 30, 2013
I'm trying to support a friend. They just switched to TWC Business Class from Megapath. They have a Cisco 5505 ASA and are trying to configure it to work with the new TimeWarner cable modem. But we can't get PCs behind the firewall out to the Internet.
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We think it should be a pretty simple config. They have the ASA connected directly to the modem. The modem is running DHCP, and we''ve configured the ASA to get its address via DHCP. We have a Windows server behind the firewall; it can't get out the Internet either. It's set up to be a DHCP server and is giving IP addresses to the PCs on the network.
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Laptops connected via wifi to a wireless router attached to the modem are able to connect to the internet, thus we know the modem is up and running fine.
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Here's our running config:
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ASA Version 8.4(1)!hostname ciscoasadomain-name opanslab.comenable password yYME2neTGgA0S1./ encryptedpasswd yYME2neTGgA0S1./ encryptednames!interface Vlan1nameif insidesecurity-level 100ip address
[Code].....
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Dec 23, 2011
Currently I have an ASA setup as a Firewall with 1 outside interface and 2 inside interfaces. Initially, the Guest interface was setup to receive DHCP from the ASA and everything was working. I'm adding router and a server for the guest interface and what I'm trying to accomplish now is the following: ASA 5505 > Airport Extreme with a public static IP (69.xx.xx.6), handling DHCP and NAT > Mac Server as DNS Server.Right now, when I connect to my Airport Extreme with any computer, I don't have internet. I don't understand what's wrong. My DNS Server has a reserved IP address: 192.168.226.2 and it's pointing to itself and forwarding the ISP DNS servers, the Airport Extreme is handling the DNS Server IP and the ISP DNS Server IP but I can't connect to the internet from the server. [code]
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May 9, 2012
We've just started with the ASA 5505. We do run a DHCP server on the inside interface, so it is in the same VLAN 1 as all of the clients. However, we cannot get it to work.We can't use DHCP Relay, as the ASA 5505 only allows to relay to DHCP servers in a different subnet.Or do we have to move the DHCP server to a different subnet. If so, how would we configure that scenario?
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Aug 30, 2011
I'm trying to learn Cisco ASA IOS commands, I have bought myself a 5505 ASA for my home network and plan to implement it. How best to configure it.
I have attached a diagram of how I want my network to look. The internet connection is via the Virgin Media cable modem.
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