Cisco Firewall :: How To Configure ASA 5505 (Internet Connection Via Cable Modem)

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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Sep 23, 2011

I have a Pix 501 running 6.3 code sitting behind a cable modem. I use  ip address outside dhcp setroute because I don't have a dedicated IP from my cable provider.
 
How do I configure the Pix to host VPN connections from my iPad when offsite? Since the outside interface is going to change, I can't configure a static IP.

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Cisco VPN :: ASA 5505 Setup As Firewall Connected To Cox Cable Modem And Wireless AP

Aug 27, 2011

I have two ASA 5505's.  One is currently setup as my firewall connected to the Cox Cable modem and wireless AP.  I have another ASA that I would like to use, I have an idea that I could set that one up as a VPN unit, but not sure how I could do that.  If that is not an option, can you provide the command line instructions on how to setup the VPN via the console cable. [code]

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Cisco Firewall :: Configure IPSec VPN Connection For ASA 5505 (Version 8.4)?

Nov 20, 2011

I am now going to configure IPSec VPN connection for Cisco ASA 5505 (Version 8.4)

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Linksys Cable / DSL :: WAG160N - How To Configure To Get Internet Connection

May 30, 2011

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Motorola SB5100 / Losing Internet Connection At Cable Modem?

Mar 19, 2012

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Cisco Firewall :: 5505 Configure Internal Router And DNS Server - No Internet

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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Cable Modem / Dell Dimension 4700 - Lost Internet Connection?

Jan 9, 2012

Cable modem connected directly to a Dell Vostro laptop works fine. Same cable reconnected to Dell Dimension 4700 is not working. This has all been working fine for years - usually I have a wireless network with the 4700 connected to the router by Ethernet cable, and the Vostro connected by wireless, but I have removed the router to close in on the problem.First, I am not sure if my ip settings are correct. This is the output from 'ipconfig /all' [CODE].

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Connection Between Access Point / Router / Or Cable Modem And The Internet Is Broken?

Aug 26, 2012

The detected problem is the connection between my access point, router, or cable modem and the Internet is broken.The network gateway is accessible, but Windows couldn't receive network traffic from the Internet.All other devices (iPad, Xbox, android phone) have no problem connecting to the Internet.Desktop is the only one experiencing the connection issue.

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Connection Between Access Point / Router Or Cable Modem - Internet Broken

Jan 31, 2012

My laptop died last week and have been using my husbands, which I hate! We had some issues with computer freezing on some webpages or after being on webpages for awhile (like facebook). Yesterday it froze and I could not get it back on. When he got home he did scan disk (which I also did) and got it working after going into safe mode and doing system restore. He said an update had gotten through and messed things up. Anyhow, after he was on it a few hours last night, we lost connection. I figured the crazy weather was the culprit but it has been off all day. Our router is working and connecting but the adapter is not. Also our home phone says there is no line. We have unplugged everything several times, checked to make sure everything is in the right spots, I have even reset the router and rebooted the adapter. I uninstalled and restalled the adapter also. It is now telling me that "the connection between your access point, router, or cable modem and the Internet is broken". The only lights I have on the adapter are power, battery, DS and now the US light is blinking. The online and link lights are not on.

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Linksys Cable / DSL :: How To Configure WAG120N As A Modem

Apr 18, 2013

I have WAG120N and is working fine, but has very poor wifi range. I recently purchased EA 6500. how to setup my WAG120N as a modem only and shift all routing to the EA6500

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Cisco Firewall :: ASA 5505 Lost Internet Connection?

Feb 27, 2011

I changed a configuration and suddenly I lost the internet connectivity... Result of the command: "show running-config"

: Saved:ASA Version 8.2(1) !hostname ciscoasaenable password qVQaNBP31RadYDLM encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Vlan1 nameif inside security-level 100 ip address 192.168.1.1 255.255.255.0 !interface Vlan2 nameif ATT security-level 0 pppoe client vpdn group ATT ip address pppoe setroute !interface Ethernet0/0 switchport access vlan 2!interface Ethernet0/1!interface Ethernet0/2!interface Ethernet0/3!interface Ethernet0/4!interface Ethernet0/5!interface Ethernet0/6!interface Ethernet0/7!ftp mode passiveclock timezone EST -5clock summer-time EDT recurringsame-security-traffic permit inter-interfaceobject-group service DM_INLINE_TCP_1 tcp port-object eq ftp port-object eq ftp-data port-object eq wwwaccess-list ATT_access_in remark Linkstation Accessaccess-list ATT_access_in extended permit tcp any host 99.23.119.78 object-group DM_INLINE_TCP_1 access-list ATT_access_in remark Linkstation

[code]....

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Linksys Cable / DSL :: How To Configure WAG120N Modem / Router

Jun 25, 2012

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Linksys Cable / DSL :: WAG320N And Cable Modem Connection?

Jun 4, 2010

some reference material about configuring my WAG320N to use my cable modem via Ethernet port 1. I've seen it mentioned that's its possible, however I've been unable to sort it out myself.
 
And before you ask, I've brought the DSL router as I'm moving in the next 12 months and my new base will not have access to cable internet and I'll be reverting back to DSL.

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Cisco Firewall :: ASA 5505 Dropping Internet Connection Randomly

May 24, 2012

One of our hospitals keeps reporting that their internet is going out for a while than comes back up, sometimes they even have to reset the ISP modem for this it to work again. I upgraded and switched ISP to Time Warner Cable and figured it would essentially solve the issue, but there are still reports of internet outage and our new ISP has confirmed multiple times that their end is still up. Our ASA 5505 was configured by a previous employee, but when looking at the running config I noticed that the Interface for our ISP is NOT set to Duplex Full and Speed 100.

interface Ethernet0/5

switchport access vlan 2

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Cisco Firewall :: ASA 5505 Dropping Internet Connection Randomly?

May 24, 2012

One of our hospitals keeps reporting that their internet is going out for a while than comes back up, sometimes they even have to reset the ISP modem for this it to work again. I upgraded and switched ISP to Time Warner Cable and figured it would esentially solve the issue, but there are still reports of internet outage and our new ISP has confirmed multiple times that their end is still up. Our ASA 5505 was configured by a previous employee, but when looking at the running config I noticed that the Interface for our ISP is NOT set to Duplex Full and Speed 100.
 
interface Ethernet0/5
switchport access vlan 2

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Mar 9, 2013

My Comcast cable modem does not have a 2nd port needed to connect my Belkin AC1200 wireless router. Is there another way to configure this or are my options to either buy a new cable modem or try to upgrade it through Comcast?

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Cisco VPN :: ASA 5505 - Configure AnyConnect And IPSec VPN Connection?

Mar 3, 2012

This is for an ASA 5505. I  am trying to configure an AnyConnect and IPSec VPN connection and I think it's almost there  but not quite yet. When I login from an outside network it gives me the  following error for the SSL AnyConnect "The VPN client was unable to setup IP filtering" and "Secure VPN connection terminated by peer" for the IPSec. I previously had this working since Oct, but I was trying to modify it a  little to accept LT2P for native Android VPN clients and that messed up  everything that I had working perfectly. I checked everything as best as I could to try and match the previous settings but still can't get the darn thing to work. I am trying to also do Hairpinning, I want all VPN  traffic to pass through this router... remote LAN and Internet traffic  for times when I am at unfamiliar wifi hotspots and need to check email securely.  I have included my running config. I also need to configure the ASA to accept native Android VPN connections. I read the most popular thread that worked for a few users but while doing those modifications that is where everything went downhill. T

: Saved
 :
 ASA Version 8.4(2)
 ! 
hostname ciscoasa
 enable password 8Ry2YjIyt7RRXU24 encrypted
 passwd 2KFQnbNIdI.2KYOU encrypted

[code]....

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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
 
For instance:
 
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
 
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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Cisco Firewall :: Configure IPSEC Vpn On ASA 5505?

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?
 
%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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Cisco Firewall :: To Configure ASDM On ASA 5505

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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Cisco Firewall :: How To Configure ASA 5505 As DNS Server

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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Cisco Firewall :: ASA 5505 Can't Configure Interfaces

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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Cisco Firewall :: How To Configure ASA 5505 And 5510

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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Cisco Firewall :: How To Configure ASA 5505 With Different IP Address

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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5811 / No Connection From Laptop To Cable Modem

Mar 19, 2012

I use IE 8 to go to 192.168.0.1 as per what the cable modem says for connection, and I get nothing. So call the cable modem provider, they said it's their modem switch to a new modem, got the same error, then I somehow I can go to 192.168.0.1, but still no internet connection I try all the trick below still nothing

[URL]

she does have Norton that is 5811 days out of date, so I un-install norton, but got the same error

the only thing I got that may be relate to the above is this error:

Could not load file or assembly sorttbls.nlp or one of its dependencies. The system cannot find the file specified

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Cisco Firewall :: Configure Multiple Dhcp On ASA 5505?

Dec 23, 2011

I want to configure multiple DHCP pool on ASA. that I create like
 
int e0/2
no shut
 
interface Ethernet0/2.10vlan 10nameif inside10security-level 100ip address 192.168.10.1 255.255.255.0
interface Ethernet0/2.20vlan 20       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
 
I have following query...
 
1. int e0/2 work as trunk port, is it?  any special confiduration require other than dot1Q?
 
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
 
3. How can I configure static NAT ?
 
4. How can i configured inside route?
 
5. How can I configured default NATing?
 
6. On which interface I access ASA? currently using inside interface.

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Cisco Firewall :: ASA 5505 Can't Configure Port Forwarding

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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Cisco Firewall :: ASA 5505 - How To Configure DMZ Access For Ftp / Https Without NAT

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. 
 
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.
 
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).
 
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.
 
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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Cisco Firewall :: Configure ASA 5505 With Username And Password

Nov 1, 2012

I am trying to configure an ASA 5505 with a username and password. I set all the pass words: [code]
 
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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Cisco Firewall :: ASA 5505 Configure QoS And VOIP With SIP Trunking?

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
 
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
^  Invalid marker
service-policy PRIORITY-POLICY
^ Incomplete command 
 
I think it's because my version of ASA doesn't have this functionality but I don't know.

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Cisco Firewall :: How To Configure Multiple Static IPs On ASA 5505

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.
 
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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