Cisco Firewall :: Sub Interface On ASA 5505?

Dec 10, 2012

I want to creat sub int on ASA 5505 but when I am trying below command it show error.

------------------------------------
config t
int f0/0.3400
------------------------------------

My ASA software version is 8.2(5).

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Cisco Firewall :: Failover ASA 5505 - Setup Second Inside Interface On Firewall?

Feb 19, 2012

I have a Cisco ASA 5505 in our office. We are currently using Interface 0 for outside and 1 for inside. We only have 1 Vlan in our environment. We have two three switches behind the firewall. Today the uplink to Interface 1, to the firewall, on the switch went bad. I want to setup a second inside interface on the firewall and configure it as failover incase this happens again. I want to attach it to the other switch. Can I do this? If so, what do I need to do? would it only be a passive/standby interface?

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Cisco Firewall :: ASA 5505 Creating Interface Vlan In Firewall

May 3, 2011

I have been working with ASA 5510,20,40,80 but not with 5505 this vlan and its interfaces are quite confusing.Just want to know how it works and its connectivity to Cisco Switch.Do i have to put the interface of the switch in the same vlan as i am creating the interface vlan in firewall ?Now the switch port connecting to this Eth1 interface should also be in the same vlan ? i.e vlan3 ?? or it will be in trunk ? The default configuration shows the eth0 with no access vlan and interface eth1 with access vlan 2... does it mean the eth0 is in vlan1 ? (Nativ Vlan ) ???

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Cisco Firewall :: Sub Interface On ASA 5505

May 13, 2009

Can we make sub interface on Cisco ASA 5505 model and if its possible then do that interface need to be upgraded into Trunk Port.

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Cisco Firewall :: Asa 5505 Cannot Telnet Or Ssh To The Outside Interface

Sep 9, 2011

I setup a site-to-site VPN tunnel at the remote ASA5505. I am able to asdm to the outside interface but not ssh. I switch to telnet and still not allow me to access. I added an ACL to allow telnet any to the outside interface but still not working. In ASDM I see the log Here is the second issue. When I want to change the telnet back to ssh using ASDM I got the following error.

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Cisco Firewall :: ASA 5505 Losing Outside Interface?

Aug 13, 2011

I have a problem where my outside interface stops passing traffic and the only way to resolve the issue is to reload the ASA, the interface never is down it just stops passing traffic. The inside interface never stops allowing traffic to pass as I can get to all my internal servers and shared drives.
 
The firmware is:
asa821-k8.bin 
Running Config
: Saved:ASA Version 8.2(1) !hostname f1domain-name somedomain.co.ukenable password w1Y.GBKFyC5NqO3M encryptedpasswd 2KFQnbNIdI.2KYOU

[Code].....

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Cisco Firewall :: 5505 PAT Between 2 Networks On Same Interface

Nov 6, 2011

I'm using asa 5505 with 8.4(2) and have the following problem.I have 2 Networks. each Network has it's own externel Internet-Ip and also Mail-Server.
[code]

Now I want a communication between the two Mailservers with their external Ip-Address.I did a static NAT from ipnt any to int any or also from int routed to int routed, but nothing worked.Packet tracer showed at NAT-Lookup where the externel adress of the second Mailserver is passed: Info Static translate Network1 to Network1
 
But it should show a translation from network1 to network1-external.Due to Security reasons, I cannot paste the whole config.Under 8.0 I did the same configuration with Policy-Nat and it worked.

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Cisco Firewall :: ASA 5505 Backup Interface?

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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Cisco Firewall :: ASA 5505 - Cannot Ping Outside NAT Interface

Nov 14, 2011

I have a Cisco ASA 5505, the problem is I am not able to ping to outside natted interface (ip: 172.88.188.123 and 124 and 125) from inside network I have looked for ASA documentation through the internet and still got nothing.

the config are:
  
: Saved
:
ASA Version 8.2(1)
!

[Code].....

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Cisco Firewall :: New ASA 5505 / Can't Ping Inside Interface

May 10, 2011

I have a new ASA 5505 and all is working fine, I can CLI and ASDM into it, but just can't ping the inside interface, do I need to enable a feature to make this work somehow?

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Cisco Firewall :: 5505 Inside Interface To Another Switch?

Apr 23, 2012

I am connecting the inside interface to an upstream switch and therefore will need to assign a static IP address to the inside address as I did below:
 
#sho int ip brief 
Vlan1                      123.123.123.123  YES manual up                    up
 
I will also use this to manage the ASA. I am having a problem with the network configuration of the inside interface as I can't ping the gateway and/or the in IP of the inside interface.Do I need to add any routes?

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Cisco Firewall :: Block Pings On Outside Interface Of ASA 5505?

May 2, 2013

I was asked to block pings from the internet to the outside interface of our ASA-5505 firewall.  I found a post that said to enter "icmp deny any outside", however that does not do it.
 
I created an ACL to try and do the trick, also to no avail:
 
access-list outside_in extended permit icmp any any echo-reply
access-list outside_in in interface outside 
access-group outside_in in interface outside

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Cisco Firewall :: ASA 5505 Failover - Can't Choose Interface

Dec 14, 2011

I am trying to configure two ASA-5505 as a failover pair. Software 8.2.5 and ASDM 6.4.5.206 Using the wizard i get to step3 .. then nothing happens. Trying direct in asdm but the only interface i can choose is "--None Unnamed-"

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Cisco Firewall :: 5505 - Can't Ping ASA Inside Interface

Dec 12, 2011

I have an ASA 5505 that I'm trying to set up a guest network on.  I've configured an interface as a trunk and allowed the 2 vlans but I'm not getting any layer 3 to it.  The switch connected to it is a 3560 and port is configured as a trunk with the same vlans.
 
I can't ping the ASA inside interface but I see its MAC address in the swtich's table.
 
[code]....

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Cisco Firewall :: ASA 5505 Can't See Any Elements About Physical Interface

May 30, 2011

I enabled snmp config  ASA 5505 with Version 7.2(4), the NMS/reporting system can give graphs for CPU & Memory usages. But I can't see any elements about physical interfaces.

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Cisco Firewall :: SQL Server Access From DMZ Interface ASA 5505

May 25, 2011

I would like to allow users from network 10.132.23.0/24, 10.132.33.0/24, 10.132.24.0/24 access to our SQL server(192.168.1.7) located on the inside interface(192.168.1.0/24 network) Those networks (10.132.0.0/16) come from the DMZ interface.

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Cisco Firewall :: ASA 5505 Dropping UDP / 53 Traffic On Inside Interface?

Jul 21, 2012

We have a Cisco ASA 5505 (v7.2(3)) with a "fairly" normal configuration yet we have a problem where it appears UDP/53 traffic is denied on our inside network.
 
here is output from our sys log:

SyslogID   Source IP      Dest IP    Description
305006      172.18.22.3                   portmap translation creation failed for udp src inside:172.18.22.156/42013 dst inside:172.18.22.3/53
 
To give some clarification:

172.18.22.3      is one of our DNS servers
172.18.22.156  is a device we're experimenting with.
 
We've bypassed the Cisco by using a 4G wireless router with this same device - and it works flawlessly.Here is a [scrubbed] copy of our config. It is what I inherited from the previous admin - I'm not sure of all its finer points (I'm not Cisco certified -- perhaps I'm just certifiable.)
 
: Saved 
:
 ASA Version 7.2(3)
 !
 hostname [redacted]

[code].....

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Cisco Firewall :: ASA 5505 - Dropping TCP Connections On Inside Interface

Feb 12, 2013

Trying to add inside routes on an ASA 5505 to point traffic to another gateway for other connected networks is resulting in the following error 6Sep 16200 819:13:5810601510.184.236.1265003810.170.54.1823389Deny TCP (no connection) from 10.184.236.126/50038 to 10.170.54.182/3389 flags RST on interface insideI believe the problem is due to the Asymetric tcp connection and the ASA is dropping the connection because it only see one half of the traffic.Is there a way we can stop the firewall dropping the TCP connections on the inside interface? i've tried removing the threat managment which didnt work.Annoying thing is were putting the ASA 5505's in to replace old Watchguard soho firewalls only the watchguards forwarded the traffic no problem at all.

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Cisco Firewall :: Quick ACL On ASA 5505 Only Untrusted Interface Allowed To FTP

Apr 12, 2011

If I am using an ASA5505, and I have a configuration similar to below, I see that the untrusted interface is only allowed to ftp to 192.168.1.5. Since the trusted interface is not limited to ftp only can it basically run any protocol it wants to 10.20.30.2, or does it get limited to only ftp by the other ACL on returning packets.Also, is the ACL applied to the interface because the ACL's name is the name of the interface?

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Cisco Firewall :: ASA 5505 - Drops Inside Interface On Switch

Apr 6, 2011

I have a pair of 5505's in transparent mode and connected them to C2960S. The inside interface (which is VLAN5 on the switchport) keeps dropping, going in to error state. There is no log reference in the switch and the interface shows as UP. The standby ASA has no problem, both interfaces on the switch is up. As soon as I failover the units over, the active node inside interfaces drops.

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Cisco Firewall :: ASA 5505 - Unable To Assign IP To DMZ Vlan Interface

Oct 26, 2012

I have ASA  5505 with base license. I created 3rd  vlan on it.it was created. but i am unable to assign IP to it. i assign ip address it takes it. But when i do sh int ip brief it does not show any ip.
 
Code...

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Cisco Firewall :: Reset TTL To 64 On All Packets Leaving 5505 Outside Interface

Jan 3, 2012

I would like to know if I can reset the TTL value for all IP packets to 64 as they exit my network through an ASA5505 to the outside network. Can this be done on a 5505?

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Cisco Firewall :: ASA 5505 - All Traffic From Guest VLans To Always Go To Outside Interface

Mar 15, 2013

I have a ASA 5505 with the security plus license. I have 7 vlans, 2 are guest vlans for wireless and wired connections.  I am allowing traffic from the guest vlans to any with the http & https protocols I have ACL's in place before the allow all rule that do not allowed traffic from the guest vlans to the other vlans. Is there any way to have all traffic from the guest vlans to always go to the outside interface for the http & https traffic in stead of trying to go to the other vlans first, I know I have the ACL's in place to prevent the traffic but if I would feel better if I had this in place as well.

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Cisco Firewall :: 5505 - Opening Ports On DHCP Outside ASA Interface

Feb 25, 2011

I am used to setting up access-lists on outside interfaces with ip addresses that are static. I have recently been given a site that is using a dyndns.org client for name to ip address resolution on an outside interface that is dhcp assigned. I created an access-list to open up ports 41794 and 41795 to an engineering application but everytime I try to connect from the outside I get a syn timeout. The application works when inside the lan. Basically I want to allow outside connections from anywhere on the outside to go to ports 41794 and 41795. I am running a Cisco ASA 5505 on version 7.2(4) Below is my conifg. what I may have misconfigured?
  
: Saved:ASA Version 7.2(4)!names!interface Vlan1 nameif inside security-level 100 ip address 172.31.2.1 255.255.255.0!interface Vlan2 nameif outside security-level 0 ip address dhcp setroute!interface Ethernet0/0 switchport access vlan 2!interface

[Code].....

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Cisco Firewall :: ASA 5505 / Failed To Locate Egress Interface For TCP From DMZ

Apr 9, 2013

I have ASA 5505, in routed mode, basic license.I run a web server in DMZ. I can reach Internet from DMZ. Also, the trafic from outside can reach the web server. However, if the web site is requested from within the DMZ, the request will fail, and the firewall log contains the following message:
 
Failed to locate egress interface for TCP from DMZ50: 30.30.30.10/49213 to 170.70.30.114/80 

I don't have DNS, so the request must go to Internet, even the web site is hosted on the server in DMZ.

Here is sample of my config file:

interface Vlan1
nameif inside
security-level 100
ip address 162.160.1.3 255.255.255.0
!
interface Vlan2

[code]....

What can be the reason for requests, originated in DMZ, to fail, and how could it be fixed?

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Cisco Firewall :: ASA 5505 - Activate DMZ Interface On Restricted License

Aug 3, 2009

I'm trying to activate the DMZ interface on a restricted license ASA 5505 but I get an error when I try to ADD the interface. The message says "With the current license device will only supports 2 fully functional interfaces. Third interface can be added,but the traffic from this interface to another interface need to be blocked. Please make appropriate selection in advanced tab." I gather that I have to define the limitation myself? The problem is that I can't access the advanced tab because of the error. Can I do something via CLI to get through? I'm using ASA 8.2 and ASDM 6.2.

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Cisco Firewall :: ASA 5505 / Cannot Access Internet Or Ping From Inside Interface?

Jul 26, 2011

I am having a problem configuring my ASA 5505 for NAT.

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Cisco Firewall :: Provide Access To The Management Interface / Vlan On ASA 5505

Jun 8, 2011

I've got an ASA 5505 running 6.3 I've connected the management interface to our management vlan (which contains switch IPs, ilo's etc)Is there a way to allow access to this vlan from another?

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Cisco Firewall :: 5505 - Show Current IP Address Of Interface (dhcp)

May 8, 2012

Is there any way of showing the currently assigned ip address for an interface configured to use DHCP on an ASA 5505?

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Cisco Firewall :: Configure DHCP Server On Inside Interface ASA 5505

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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Cisco Firewall :: ASA 5505 - VPN NAT Overlap Subnets Remote Interface Does Not Reply

Jul 10, 2012

Not really a big problem, but not knowing the answer is killing me.  This is what I have:
 
Host 1 <-> ASA 5505 <-> VPN connection<-> ASA5510 <-> Host 2
 
The problem is when one of the hosts trys to reach the inside interface of the remote ASA.  E.g. Host 1 trying to ping ASA5510 inside interface.  Again Host 1 and 2 have the same subnet address of 10.1.1.0/24.  I have configured the ASA 5505 to do the the NAT translations. 
 
[code]...

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Cisco Firewall :: ASA 5505 - HTTPS Traffic Through DMZ Interface To Internal Exchange Server?

Apr 23, 2012

I have an ASA 5505 with the base license,When I setup the DMZ interface I had to add the deny access to the inside VLAN.  The DMZ works fine with WiFi on it, but user's iPhones can't get email unless they turn WiFi off.Is there a simple way to allow HTTPS traffic through the DMZ interface to our internal Exchange server which is NAT'd on the 5505's external IP?

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Cisco Firewall :: 5505 - Construct An Access List For Outside Interface Using External Address?

Sep 10, 2012

I'm configuring a 5505 for a remote office.  Until they are assigned a static ip by the provider I will have to use the providers dhcp address. How do I construct an access list for the outside interface using the external address if I don't know it yet? is there a commnd that will insert the ip address in to the access list once one is assigned?

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