Cisco Firewall :: ASA5580 One Inside Source Address Static Nat To Two Outside Interface

May 10, 2012

customer has a server which located in inside interace.    and an outside interface connected to ISPA.    cu config a static nat map inside server address to ISPA address, one day customer install a new outside interface to ISPB, cu config new static nat ,map same server inside server address to ISPB address. the server will allways be vistited from outside interface and reply, custome want traffic coming from ISPA will return to ISPA, traffic coming from ISPB will return to ISPB. but i found it is difficult implement this on ASA5580. i want use route-map on static nat, but it will not satisfy customer's request.

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Cisco Firewall :: ASA5580 / One Inside Source Address Static Nat To Two Outside Interface?

Jul 13, 2011

i have a problem  customer has a server which located in inside interace.  and an outside interface connected to ISPA.  cu config a static nat map inside server address to ISPA address one day customer install a new outside interface to ISPB, cu config new static nat ,map same server inside server address to ISPB address.    the server will allways be vistited from outside interface and reply, custome want traffic coming from ISPA will return to ISPA, traffic coming from ISPB will return to ISPB. but i found it is difficult implement this on ASA5580.  i want use route-map on static nat, but it will not satisfy customer's request.

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Cisco Switching/Routing :: 6509-E / Unable To Perform (ip Nat Inside Source Static Tcp Xxx Interface)

Jan 21, 2013

Platform:  
cisco6509-E   with FWSM
 Supervisor Engine 32 PISA 8GE
 sup-bootdisk:s32p3-adventerprisek9_wan-mz.122-18.ZY2.bin

command: 
 
(config)#ip nat inside source static tcp 10.10.8.147 14029 interface g7/8 14029
 (config)#no ip nat inside source static tcp 10.10.8.147 14029 interface g7/8 14029
 #clear ip nat tran *
 (config)#ip nat inside source static tcp 10.10.8.147 14029 interface g7/8 14029
 %Port 14029 is being used by system 
 Or %Static entry in use, cannot change
 
But when I perform "sh ip nat tran" command,There is nothing

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Cisco WAN :: 2911 - IP Nat Inside Source Static

May 6, 2012

I need to open a port in a Cisco 2911 router to permit the conexion to an equipment that is inside the LAN, but I my configuration doesn't workt.
I have 3 interfaces configured: two WAN interfaces (one is a backup of the other) and a LAN interface. The configuration is this (public IPs are changed):
 
track 1 ip sla 1 reachability
!
!
interface GigabitEthernet0/0
description backup
ip address 176.55.25.25 255.255.255.252
ip nat outside(code )

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Cisco Firewall :: ASA 5520 - Static Route To Inside Interface

Mar 29, 2011

I have inherited an ASA 5520.  In doing some auditing of the setup, I have noticed a Static Route that has the inside interface of the ASA as the Gateway IP.  I am trying to understand the purpose of this route or why a route would be setup this way.

Example Static Route:
Inside 10.xx.31.0 255.255.255.0 10.xx.xx.10 (10.xx.xx.10 is the inside interface of ASA)

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Cisco Firewall :: Asa 5520 / Configure Two Static Nat Statements From Inside To Outside And Backup Interface?

Oct 16, 2011

I have a asa 5520 with an outside and backup interface. I am trying to configure two static nat statements from the inside to the outside and backup interface. Here is what I have configured so far.

object network obj-10.1.1.254
host 10.1.1.254
object network obj-10.1.1.254
nat (inside,outside) static 172.25.10.3
 
I want to also use nat (inside,backup) static 172.25.10.3

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Cisco Firewall :: 5510 - Duplicate IP Address With ASA Inside Interface

Apr 5, 2012

We've had issues with our Exchange 2010 server (running on ESXi 4.1) since its default gateway was changed to our new ASA 5510.  They manifested as frequent Outlook client connection dropouts or as IP address conflicts whenever Exchange was rebooted.  The temporary fix was to disable the Exchange server NIC, bounce the ASA and enable the server's NIC again.  We saw poor performance from Exchange after a while again, but after some research and testing I realised that disabling proxyarp on the inside interface fixed the problem permanently.
 
However I've now realised that the client VPN no longer routes properly because proxyarp is disabled on the inside interface, so I still have a problem.

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Cisco Firewall :: ASA 8.3(2) / PAT Interface Address With Static NAT Port Translation?

Aug 22, 2011

I have an 8.3(2) ASA with a single outside IP.  Dynamic PAT translates inside addresses to the outside interface address.  I would like to use static NAT with port translation to access an inside syslog server.  I got an error when I tried using the outside interface address.  Can I use both dynamic PAT and Port Translation with the same outside address?This is what I would like to use but I receive an error saying there is an overlap using the outside interface address.(192.168.1.0 is my inside network.  10.10.1.10 is the outside interface IP.)
 
object network inside-net
  subnet 192.168.1.0 255.255.255.0
  nat (inside, outside) dynamic interface
 object network SYSLOG_SERVER
  host 192.168.1.50
  nat (inside,outside) static 10.10.1.10 service tcp ssh ssh

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Cisco Firewall :: 5520 - Inside Server To See Actual Outside Host Source IP In Udp Packet

Mar 3, 2013

I have a 5520 in production at a customer's site between an outside 802.11 network and an inside server.   The server can get to outside hosts OK, and the traffic is being NATed  properly, and sockets initiated by the server on the inside can pass data both ways, but I need to allow outside hosts the ability to send  'announcement' UDP packets to the inside server.  I thought this might be an  outside-NAT-required issue to get the traffic routed, but I need the inside server to see the  actual outside host source IP in the UDP packet, so I basically set the  outside host up similar to the inside host, just without the NAT table on the firewall -- it's subnet is outside the  destination (inside server) subnet, and its gateway is the outside  interface of the ASA, the same way the inside server is able to get to  hosts outside.  The firewall should just route the packet with a destination of the inside subnet once it sees that it hits a 'permit' ACL.
 
I have the appropriate ACL's set up, and when I do 'show access-list' I  see policy hits for the 'permit' statements where the outside host is  generating the announcement and it's hitting the ACL.  I even duplicated  the ACL into list 101 and 102, and applied 101 for inbound traffic on  the outside int, and applied 102 for outbound traffic on the inside int,  and I'm seeing policy hits on both permit statements outside and  inside, so it looks like the traffic is being passed on to the inside  interface and permitted, but the server isn't seeing the packets.
 
I can ping the outside interface from the outside, but cannot ping the  inside interface or any inside hosts from the outside, even though I  have 'permit icmp any any' enabled on the ACL on both ints. When I  remove the firewall and put the outside clients on the same subnet, the server sees the packets just fine.
 
I set up the same scenario in my lab with an ASA 5505, with the same results.  Below is the running config from the 5505 in the lab.  The production firewall is running a slightly older version of ASA, so I made the configuration as basic as possible on the 5505 to match the config in the field:
 
: Saved
:
ASA Version 8.3(1)
!
hostname ciscoasa
enable password Guh9Xxhb9mcC8lV1 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
!
interface Vlan2
description Outside WAN Interface
nameif outside
security-level 0
ip address 192.168.10.1 255.255.255.0
!
interface Vlan3
description Inside LAN Interface
nameif inside(code)

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Cisco Firewall :: PIX 501 / Can Traffic Goes From Inside Interface To Outside Interface

Oct 9, 2011

I have Pix 501 firewall and I'm just configuring the device for "Email Server" to allowing POP/SMTP.
 
Inside Interface Address: 132.147.162.14/255.255.0.0
Outside Interface Address: ISP provided IP address
 
My question is can my traffic goes from inside interface to outside interface? (because the inside interface address not from 10.0/172./192.168 private address)Also I'm allowing internet from this email server (132.147.162.14) so what my access list to be configured? and what my subnet mask shoud be there?
 
Pix(config)#access-list outbound permit tcp 132.147.162.14 255.255.0.0 any eq 80
Pix(config)#access-list outbound permit udp 132.147.162.14 255.255.0.0 any eq 53
Pix(config)#access-group outbound in interface inside

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Cisco Firewall :: ASA Version 7.22 Email Logging Source Interface?

Jan 10, 2012

I've got email logging for a few specific syslog messages working and sending to an email server on the inside network.  However, the source IP ends up being the DMZ interface.  Is there a way to force it to use the inside IP instead?
 
ASA Code Version 7.22
 Inside Interface IP:  10.104.36.4  Mask:255.255.255.0
DMZ IP: 10.100.20.1  Mask:255.255.255.0
SMTP Server IP: 10.100.10.100 
 
Logging commands in config:

logging enable
logging list email-alerts message 106100
logging mail email-alerts
logging from-address ASA@xyz.com
logging recipient-address tgw@xyz.com level debugging

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Cisco Firewall :: ASA 8.4.3 - Does It Check DNS Source IP Address

Oct 29, 2012

Does ASA 8.4.3 check the source IP address of  a DNS reply and drop it if the reply address is different to that in the query?
 
Customers DNS server does this due to a recent change, their server now has a virtual address, but replies are sent from its physcial address. This is temporary. Their PIX is happy with this.
 
Replace the PIX with the ASA, DNS fails, the only reason I can see is due to the way their internal DNS operates.

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Cisco Firewall :: ASA 8.4 With NAT Source Address Translation?

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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Cisco Firewall :: 2911 - NAT Any Source Address From Internet

Mar 21, 2011

I'm using a 2911 as our Public Internet Edge Router. I have 2 public sub net blocks from Sprint, we are in the process of migrating. What i need to do is NAT any source address from the Internet from an address on one of our public blocks to the other.
 
Example:
 
Source Address 11.10.10.10 ==> Destination 64.165.123.10 (nat this to 64.165.54.10) inbound.
 
So if from the internet tries to hit 64.165.123.10 we want to nat that to 64.165.54.10 both of which sit on our public space.

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Cisco Firewall :: 5512 - NAT Random Source Address

Jul 4, 2012

I have a problem with random host's geting the wrong source address on a ASA 5512-X  8.6(1). Right now there is a host, 192.168.25.108, showing up with 6.6.6.6 (fake) on whatsmyip.org, should be 5.5.5.5 like the rest of 192.168.25.0/24. In the xlate tabel  I cant find anything wrong. Same yesterday with two host, that are using the right NAT address today.
 
nat (any,outside) dynamic interface.     (5.5.5.5)
object network H-192.168.25.10
nat (inside,outside) static H-6.6.6.6X(code)

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Cisco Firewall :: 5512x - Static Translation From DMZ To Inside On ASA 8.6

Dec 20, 2012

Recently upgraded to an Asa 5512x from a pix 515e. I have an Ipswitch secure MoveIT server on the dmz1 interface that needs to be accessed from both the inside and outside interfaces. I have setup a static nat from the outside to the dmz1 and it works, I can also connect from the inside interface. Now I need the MoveIT server to access the DNS server and email server on the inside interface so it can send notifications. On the pix I just created a static from the inside to the dmz1 using its own IP address - static (inside,dmz1) 192.168.1.7 192.168.1.7 net mask 255.255.255.255. I would then add the access-list to allow. How would I set this up with the Asa 8.6 commands?

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Cisco WAN :: 892 / Static Ip Address Assigned To The Interface?

Feb 7, 2012

configure my cisco 892 router want a static ip address assigned to the interface because and I have no more internet on the router because am working on my network academy for CCENT?

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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 :: ASA5505 Can't Ping New Firewall On Inside Interface

Jul 14, 2011

I've recently upgraded my old firewall from a PIX to an ASA5505 and have been trying to match up the configuration settings to no avail. I have is that I can't ping the new firewall on it's inside interface, despite having "icmp permit any inside" in the running config. Secondly, the server I have on there ("Sar") can't connect out to the internet.I've included the ASA's running config incase anybody can see if something stands out. I have a feeling it's either not letting anything onto the inside interface, or there is no nat going on. Lastly (and possibly relevant), the firewall is actually going at the end of a vlan, which is different to the firewall's inside vlan number. I don't know if this is actually the problem because the server can't connect out even if connected directly into the firewall.

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Cisco Switches :: SG300 / Assign Static Ip Address On Vlan 1 Interface?

Dec 13, 2011

I am trying to assign static ip address on vlan 1 interface , the model no of switch is SG300 & the firmware version is 1.1.2.0 .But whenever I type the IP address & press enter , a  question is popped up asking for confirmation (switch0d851f(config-if)#ip address 1.1.1.1 255.0.0.0.

Please ensure that the port through which the device is managed has the proper settings and is a member of the new management interface.Would you like to apply this new configuration? (Y/N)[N] N )

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Cisco VPN :: 1921 Loop Back Interface / Static IP Address For Client

Nov 17, 2012

I have a couple a questions answers on which i cant google for a period. BTW maybe i simly use wrong aproach to choose keywords.

1)  Is it possible to assign same ip address to the same client each time  it authenticated, preferably without using DHCP? Im definely sure that  it possible but cant find corresponded configuration examples (my device  is Cisco 1921 with IOS 15.0.1).
 
2)  Is it possible to assign dynamic crypto map to loopback interface (the  purpose to make EASY VPN Server accessible through two interfaces -  maybe you recommend other approach instead?) - as i move workingcrypto  map from phy int to loopback - i cant connect with reason "Phace1 SA  policy proposal not accepted"

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Cisco Firewall :: 7.2.3 / Upgrade ASA Over VPN Via Inside Interface?

Jan 17, 2013

I am trying to upgrade a Cisco ASA over an IPSEC VPN tunnel. My FTP server is on the remote side of the VPN tunnel but I am initiating connections from the inside interface of the firewall. I am currently managing the Firewall over the VPN via it's inside interface (using the management-access inside) command. When I try and update via FTP, the connection is going straight out the outside interface (and not across the VPN tunnel) I have tried upgrading via TFTP but it keeps stopping randomly with (unspecified error) I normally upgrade via FTP though but it's not working in this instance. Essentially what I am asking, is is there an equivalent command for FTP that there is for TFTP: tftp-server interface ip anyconnect I need the connections to originate from the inside interface so they traverse the VPN. I am running 7.2.3?

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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 :: ASA 5512 X 2 Outside And 2 Inside Interface / How To Configure

Jun 7, 2013

I have a Cisco 5512 x Firewall connected with Cisco Layer 3 switch 3750.I have two different WAN connections, one for Data and one for voice. Cisco Layer 3 switch is configured with 2 different VLAN's one for data & other is Voice Vlan. Switch is providing DHCP to computers and IP phones. Voice Pool 192.168.10.0/24 Vlan10 and Data pool 192.168.20.0/24 Vlan20.I need to route my data & voice traffic separately. Cisco ASA is connected with two different ISP's. So, how can I do this configuration so that Voice and Data traffic will route separately.

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Cisco Firewall :: Can't Ping ASA 5510 Inside Interface

Apr 13, 2013

I  ran into a very strange icmp ping issue. The network has been working fine other than the issue listed below, L2L VPN works fine and all three data centers can access each other via L2L VPN.I have three ASA5510. [code]

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Cisco Firewall :: ASA 5550 Inside Interface Hangs

Apr 24, 2012

the inside interface on our primary ASA seemed to "hang". It dropped all the packets it received. Because the interface didnt go down, failover didn't happen. Device's info;

-Cisco Adaptive Security Appliance Software Version 8.2(3)
-Device Manager Version 6.3(3)
-Hardware:   ASA5550, 4096 MB RAM, CPU Pentium 4 3000 MHz
-Internal ATA Compact Flash, 256MB
-BIOS Flash Firmware Hub @ 0xffe00000, 1024KB
 
I attached a capture picture shows that traffic didnt go to the roof when the issue happened. Why the interface would "freeze" randomly?

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Cisco Firewall :: ASA 5510 With Inside Interface And DMZ Not Working

Feb 5, 2012

i have here a ASA 5510 sec k9.
 
I build a Config with a DMZ,INSIDE and OUTSIDE Interface. My Plan is to use the IP-Address of the OUTSIDE Interface with PORT to setup a HTTP Server In the DMZ
 
But my Config doesn't work. And I have no Plan why .....
 
The Inside Interface have to work normal. The Traffic to the Internet is TRiggert from Inside with Dynamic PAT
 
ciscoasa(config)# exit 
ciscoasa# show run
: Saved
:
ASA Version 8.4(1)

[Code].....

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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 ::5520 - NAT SIP Registration From Outside To Inside Interface On ASA?

Mar 7, 2012

I'm trying to NAT SIP registration from OUTSIDE interface to Inside interface on ASA

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Cisco Firewall :: Cannot Ssh Or Ping ASA 5510 From Inside Interface

Apr 4, 2012

The ASA is configured in very simple transparent mode. As desired, traffic can flow in each direction between inside and outside. I can manage the ASA via console and direct connection to the management interface. The problem is that I cannot ping or ssh to the ASA via the inside interface. I need to be able to manage the ASA from any PC on the inside LAN. I suspect I am missing some easy aspect of the configuration but after a lot of hours I'm about at the end of my patience with it. Here is what I believe to be the relevant parts of the config. 
 
ASA Version 8.2(1)
!
firewall transparent
hostname issr1
enable password 2alej83t5cqT0FWd encrypted
passwd 4kleUY438I93.4ljdh encrypted
names

[code]....

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Cisco Firewall :: Slow Access Or NAT To Inside Interface On ASA 9.1

May 13, 2013

I did this on the PIX and it worked like a charm, but I am having some difficulty translating the configuration to an ASA.
 
In the PIX I performed NAT on outside traffic to a specific inside host (web server) to map to the inside interface so that return traffic would go to the same firewall the traffic came in through, The reason for this configuration was because the gateway of last resort was a different firewall and not the firewall the traffic came in through.
 
Now to further give you some history, the gateway of last resort is an ASA running 9.1 (Now), prior to that it was a PIX with v8.0(4), traffic to the aforementioned web server came in through the gateway of last resort), which at the time was the PIX.
 
However, for some reason after swapping the PIX for an ASA (same rules, updated NAT rules for 9.1) access to the same web server is slow. Not sure why, but it’s the case. To alleviate the slowness we experienced, and until I can figure out why this occurs on the ASA, I placed a PIX on the network that only listens for traffic for the web server in question. On this PIX I map to the inside interface so that traffic flow works and external clients can access the web server with no issues.
 
So two questions, one I would like to use the configuration I have for the web server on the PIX on the ASA to see if that setup on the ASA works better, but having difficulty translating the rules to the ASA.
 
Second question, (Slow access with ASA to a web server, but fast with PIX to the same web server)?
 
P.S. Addresses in attached picture config are not real, but I know what they translate to.

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Cisco Firewall :: ASA 5510 Inside Access To NAT IP On Outside Interface

Jun 28, 2012

we have a server that has an outside IP and an inside IP. It's inside ip is 192.168.222.30/24 and it's outside IP is 199.204.50.2/29. The connection to this server from the outside is perfectly fine, but access from inside users to the NAT'd IP which is 199.204.50.2/29 is having issues, however, access to the inside IP works fine (this part makes sense)Will It be a must to set the inside DNS A record to the inside IP and not the outside IP, or can users on the inside interface access the NAT'd IP which is assigned to the server
 
LAN(192.168.222.0/24)<=====>InsideASAOutside<=====>(Server with NAT IP 192.168.222.30/24, it's also physicall assigned to this server).This is an ASA 5510 with 8.4.                  

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