Cisco Firewall :: ASA 8.3 - NAT And Matching Global Statements?

Oct 3, 2012

I have a Cisco ASA running 8.2 in routed mode.The ASA has three interfaces, inside, outside and DMZ. They connect to the following three networks:
 
Inside: 10.1.1.0/24
Outside: 10.1.2.0/24
DMZ: 100.1.1.0/24
 
I have the following dynamic PAT configuration:
 
nat (inside) 1 10.1.1.0 255.255.255.0
global (outside) 100.1.1.1
 nat control is turned off.
 
By my understanding any traffic from the inside to outside interface will be PATted to 100.1.1.1. However, communications between inside and the DMZ will not be PATted, and should work with no problems.This seems to be corroborated by this document: [URL]Which states:"The adaptive security appliance translates an address when a NAT rule matches the traffic. If no NAT rule matches, processing for the packet continues."EDIT: I may have misunderstood the above statement.I found this guide to configuring NAT/PAT: [URL]It states:"When you specify a group of IP address(es) in a nat command, then you must perform NAT on that group of addresses when they access any lower or same security level interface; you must apply a global command with the same NAT ID on each interface, or use a static command. NAT is not required for that group when it accesses a higher security interface because to perform NAT from outside to inside you must create a separate nat command using the outside keyword. If you do apply outside NAT, then the NAT requirements preceding come into effect for that group of addresses when they access all higher security interfaces. Traffic identified by a static command is not affected."My problem is that packet tracer does not seem to bear me out. It tells me the packet is dropped due to "no matching global" when I source traffic from the inside interface and send it to the DMZ.

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Cisco Firewall :: Nat Statements In ASA 8.3(1)

Aug 21, 2012

The configuration for the natting is something like this [code] If I understand the config statements 10.232.50.98 is natted to 32.x.x.66  and 10.232.50.99 is natted to 32.x.x.69 , but do we need reverse natting stements as well to work this ?

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Cisco Firewall :: ASA 8.2 Multiple Nat Statements

Jun 12, 2013

I would like to config "when host X on v lan X goes to a network that is across an ip sec tunnel, for which v lan X network is not in the encryption domains, translate host X address to that of the asa in a network that is part of the crypto domain". 
 
Interface vlan544 (172.16.80.0/24) is the local encryption domain, and 10.1.0.0/29 holds some monitoring servers that should not be part of the encryption domain, but rather get it's source address translated to that of the firewall in 172.16.80.0/24. Here's how I did:
 
# Vlan522 for 10.1.0.0/29, need to somehow have a specific nat here I guess that falls between the no nat and the generic "nat the rest to the global)
[code]...
 
This obviously didn't work, the second (number 2) rule is never hit. What am I doing wrong?

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Cisco Firewall :: Regular Dynamic PAT Statements In ASA 8.3?

Feb 19, 2012

have 2 inside networks:
 
object network INSIDE_10.6
subnet 10.6.0.0 255.255.0.0 
object network INSIDE_192.168
subnet 192.168.0.0 255.255.255.0
 
I grouped these 2 into 1 object-group:
 
object-group network INSIDE
network-object object INSIDE_10.6
network-object object INSIDE_192.168
  
Public IP address used for PAT:
 
object network PAT
host 152.x.x.x
 
I used the following statement to create Dynamic PAT to public IP address:
 
object network INSIDE_10.6
nat (any,any) dynamic PAT
object network INSIDE_192.168
nat (any,any) dynamic PAT   
 
Is that correct? Also I'm using one public address to PAT both inside networks. Is there any dvantage of using 2 different ones, so each inside network would be PAT to its own address?

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Cisco Firewall :: 5520 - Maximum Number Of Nat Statements

Sep 10, 2012

Is there a cisco best practice on the maximum number of NAT statements on a Cisco ASA? We have a 5520 and a coworker is adding static NAT policies so a vendor can monitor around 1,029 nodes. The problem is each node inside is a 10.X.X.X and to keep the IPs from overlapping with other customers the vendor monitors they would like us to NAT to a 172.16.X.X scheme.

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Cisco Firewall :: ASA 5505 Unable To See Matching ID Of 0

Sep 20, 2011

I have a command line from ASA 5505 like below :
 
nat (inside) 0 access-list NO_NAT
The problem is I cannot see any matching ID of 0 at the (outside) like :
nat (outside) 0  xxxxxxxxxxxxx

Another problem is there is also no any access list with the name of NO_NAT.

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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 :: 5505 - Order Of NAT Not Matching Correct Line ASA 8.4

Aug 23, 2012

We are configuring a twice-nat to send traffic for scansafe, its on a asa5505 ve 8.4(3) on a remote location for the customes. The nat redirecion is working but we also have a VPN tunnel to the corporate network. Through the tunnel we need to reach a http server. The problem we are having is that when we add the scan-safe nat, all http traffic gets redirected to scansafe, includind the traffic to the http server on the corporate network.
 
 10.2.1.0 ---<ASA5505> ---Internet,scansafe ---- <Corporate> --- 10.1.1.0
 the http server is 10.1.1.75
the remote location network is 10.2.1.0/24

[Code].....

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Cisco Firewall :: Global PAT With Static NAT On PIX 6.3

Jun 7, 2012

I am having issues getting this to work.  For email, I have mail.xxx.xxx DNS'd to 165.165.165.165.  I want it to come in to 10.1.0.31.  It needs to go out a cluster of 10.1.0.31, 10.1.0.34, or 10.101.201.31 but look like it came from the 165.165.165.165 address.  I have set up static NAT for the inbound.  I have set up the global PAT with an ACL group of the 10.xxx addresses.  I have set this same method up on an ASA with no issues but it doesn't want to work on the PIX 6.3.  What am I missing?
 
no fixup protocol smtp 25
object-group service NewExchange tcp
  port-object eq https
  port-object eq smtp
 [Code] ....

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Cisco Firewall :: ASA 5510 Global Implicit Rule

Nov 24, 2011

I got a Global Implicit Rule problem with my Cisco ASA 5510. Here's my configuration : url...I created a PAT translation so that my web server (group LAN Network) could be accessed from the Internet.Although every rule seems to be ok, i got a "tcp deny access" when i try to telnet my public IP on port 80 (ping is ok).
 
Why is there only one Global Implicit Rule, and not one for each Interface (like in the older versions of ASA OS) ?

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Cisco Firewall :: Cut Over ASA5585 Global PAT Address Without Connection Drops?

Oct 24, 2012

We're currently PATing everything from a particular subnet to the IP of an outside interface using our ASA5585 (dynamic PAT). We're experiencing pool exhaustion and therefore need to expand the global IP range. Any way of cutting over to the new range without dropping existing connections? For clarity, the current interface address is x.x.x.37/22 and the new PAT pool is x.x.x.114-6/22.

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Cisco Firewall :: Static Overlaps With Global Another Context 5550

Sep 26, 2011

I have ASA 5550, i create 2 context in my ASA 5550. I create a NAT in context A and context B. But when i create NAT in context B i get another i get error message like this "static overlaps with global in another context". I have checked there is same nat translation in context A and context B. My question is : is same nat translation configuration not allowed in context A and context B"

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Cisco Firewall :: ASA 6.1 Deny IP Spoof From (global) To (Static NAT) On Outside Interface

Jun 2, 2013

I'm receiving an error when trying to access a web server behind from one subinterface to another subinterface on an ASA access the public IP.  I'm getting the following:
 
Global Static NAT Deny IP spoof from (61.X.X.X) to 201.X.X.X on interface Outside     
 
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Cisco Firewall :: 5520 - Multiple Global IP Address Range On ASA Outside I/f

Mar 17, 2011

Got an ASA5520 running V8.2(3) and we want to upgrade our internet bandwidth. Our ISP says OK but we need to install different physical circuit, upgrade CPE router, etc.
 
Then they say, btw your globally allocated IPs will change - this is a problem as we have Site-to-Site VPN Tunnels, IPSEC RA, etc.
 
ISP are proposing to give us a 3 month period whereby old & new IP blocks will be routed to our ASA (by means of secondary IP address on their Cisco CPE).
 
Multiple IPs on the same physical i/f on the ASA require sub-interfaces/IP Addresses/VLAN ids on my "outside" i/f.
 
Is this going to horiibly break Site-to-Site VPN Tunnesl, IPSEC remote access ?
 
Will VLANs work at all with IPSEC on the "oustide" i/f at all ?

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Cisco Firewall :: ASA 8.3 - Interface Security Level / Global Access Rules?

Jan 23, 2012

Verifying the operation of the ASA when configured with Global access rules.  Does the global rule overide the interface security levels?  According to the ASA order of operations, the interface specific rule get's processed first and then the global rules, but It does not say anything about interface security levels.  Observing an ASA in production that has global rules configured I see that an interface with a security level of 50 that has no rules applied to it, passing traffic to the outside interface (security level 0) drops the traffic.  Syslog shows that it hits the global access rule implicit deny.  Does the implicit permit any to any less secure interface not apply?

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Cisco Firewall :: ASA 5510 Static Map - Outbound Flows Through Global Address

Nov 30, 2011

I have an ASA 5510 running version 7.0. I have a problem with an exchange server using a static map and its outbounc connectivity. It connects outbound through the global address even though inbound connectivity works fine through the static mapping. The recent changes are changing of the zero route through a different interface (there are to circuit connected to this ASA on different interfaces). So the idea was to get all workstations in the office using the global address and routing out through one circuit, and the servers connecting in/out through the other circuit. Shouldn't a static mapping ignore what the zero route is?
 
Here are what I believe to be the relevant configs.
 
interface Ethernet0/0
description New 6mb circuit
speed 100

[Code]....

So exchang2 server can be connected to from the outside properly via IP xxx.207.51.231/exchange2-outside, but all outbound connections from this server are going out via IP xxx.122.47.218/circuit-6mb as do all the workstations due to the global address statement.

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Cisco WAN :: 4550 - What Is BGP Statements

May 27, 2012

The config is from our MPLS router located in HeadOffice, ^controlled-ospf ^ whats its function^ routes_in ^ whats its functionhow to change standard acl to extended acl.

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Cisco Firewall :: ASA 5520 With 8.04 And ASDM 6.1(5) Global Not Showing In ASDM

Apr 26, 2011

nat global entry not showing up in ASDM but it does via CLI see blow, it's a policy NAT.
 
nat (inside) 5 access-list inside_nat_outbound_4
 
global (outside) 5 ************-OUTSIDE netmask 255.0.0.0
  
Global 5 doesnt show in ASDM 6.1 (5) the globals only go up to 3

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Cisco :: 6500 Sup 720 Boot Images And Statements

Jan 25, 2012

As long as I have been doing this stuff, I have never had a clear understanding of all of the 6500 boot images and statements.  The more I read online, the more I get confused.
 
1.  What is the boot image "boot-mz" for?  Where should it be placed (i.e. bootflash)?  what command do I need to issue in order to use the boot image I want?
 
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Cisco Infrastructure :: 7609 Logging Discriminator With Multiple Statements

Oct 10, 2011

I am trying to set a logging discriminator that will drom any message contans the mnemonics etc. "ABC" and "XYZ". As fists step I configure this:logging discriminator nolog mnemonics drops ABC
 
but when I am trying to add a second statement.logging discriminator nolog mnemonics drops XYZ
 
in the same discriminator (nolog) it replaces the first statement with the last. So in the show run I have always one statement for discriminator "nolog". Finally, how can I configure a logging discriminator with more than one statement? I am using IOS Version 12.2(33)SRD4 on a Cisco 7609.

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Cisco Switching/Routing :: 6509 / Can't Remove Bgp Aggregate-address Statements

Jan 29, 2012

I have a 6509 running s72033_rp-ADVIPSERVICESK9_WAN-M version 12.2(33)SXH5.  Four incorrect bgp aggregate-address statements were entered in which overlap.  Attempted to remove the statements but they won't come out.
 
aggregate address 16.37.31.0 255.255.224.0 summary-only
aggregate address 16.37.30.0 255.255.224.0 summary-only
aggregate address 16.37.29.0 255.255.224.0 summary-only
aggregate address 16.37.26.0 255.255.224.0 summary only
 
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Cisco :: CME Matching The Dial Peer?

Dec 7, 2012

I believe that the Cisco Unified Communications Manager Express matches the outbound VoIP dial peer digit-by-digit, because:

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2. It says in the study guide ( If a match is found, the router immediately processes the call - chapter 6) so I understand its not en bloc

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Cisco :: VOIP QoS Config Not Matching?

Aug 15, 2011

my config and all the show's ive run sofar tryign to figure this out, but the policy map isnt matching the traffic for some reason

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Cisco :: (Received Encrypted Packet With No Matching SA / Dropping)

Jun 24, 2011

Got to set up a site to site VPN to one in a clients office and we're struggling to get Phase 2 working, just seems to loop around saying "Received encrypted packet with no matching SA, dropping" which to me means the ACLs arent mirrored correctly?

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Cisco :: ASA5400 Interface Speed Not Matching From Both Sides

Mar 29, 2012

i have firwall ASA5400, and the outside interface connected to internet router but i noticed that the interface speed in the outside interface is 1000M, but on the internet router is 115 M. so the interface in the router is highly utilized and also the firwall cpu highly utilized. [code]

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Cisco VPN :: ASA 5520 8.4.1 IPSec VPN No Matching Connection For ICMP

Jun 23, 2011

I am trying to set up remote access vpn on an asa 5520 running 8.4.1.  I have the ipsec group, policies, and ip pool set up.  When I try and connect with the cisco vpn client I see the following in the logs.  Deny icmp src outside:214.67.39.42 dst outside:24.252.51.73 (type 3, code 3) by access-group "acl_inbound".  Do I need to put in some firewall rules to allow this traffice so that the VPN can connect?

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Cisco WAN :: 2500 - No Matching Route To Delete Error

May 15, 2012

I am trying to remove a static route I added: [code]
 
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Cisco VPN :: 2651 No Matching Crypto Map Entry For Remote Proxy

Jul 14, 2011

ASA is the server, 2651 is the client. Phase 1 is negotiating, after entering XAUTH on the 2651, the ASA is showing:
 
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Cisco Switching/Routing :: 6500 - Route-map Not Used / ACL Not Matching Traffic

Jan 12, 2012

I'm performing tests with following desired scenario: We have several remote offices, connected to our HQ via MPLS. In these remote offices, we have several vlan's. Each vlan has it's own ip-range. The MPLS cloud is routed, so we cannot switch our HQ vlan's to the remote offices. In this case, the client pc is in a guest vlan which allows him internet access. The uplink for this internet access is hosted in our HQ datacenter.
 
basic scheme:
client pc --> MPLS cloud (managed by ISP) --> 6500 switch LAN --> Checkpoint Firewall --> 6500 switch DMZ --> ASA Firewall
 
My test scheme:
Client pc is in a subnet A (guest vlan range office).
We receive this traffic on our first LAN 6500.

[Code].....

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Cisco Switching/Routing :: 6509 Matching A Device To Bandwidth Consumption

Sep 18, 2012

My company is composed of three different campuses, all with a similar network topology. We currently are experiencing high bandwidth on our serial interface at one of the campuses in particular. The network is composed of about 20 VLANS routed internally using a Cisco 6509. Traffic to the outside is PAT’d by an ASA 5510 and then forwarded through our edge router interface. Each VLAN is PAT’d to a specific public address.Due to the PAT, how would you recommend determining what specific private addresses are consuming our resources on the serial interface. When I look at our NMS, it reports the public address, but that only narrows it down to a VLAN. For example, all the devices in VLAN 6 are translated to 146.34.118.245, and 146.34.11.245 is a top talker.

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May 15, 2012

RV220W - I'm trying to create a one-to-one NAT connection to a PC on my network. I have 5 static IP's assigned by my ISP. I've gone through the step of 'registering' each IP in turn on the WAN port, and pinging that IP from an external device until it starts to respond, then I set the WAN IP back to the one I want to use to manage the device.
 
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Linksys Wireless Router :: EA4500 - Current Password Not Matching

Jul 2, 2012

My router password is "55xxxxx"

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Sep 6, 2012

Im having a (from google-fu) seemingly unique issue with load balancing. So for background, I am running the ACE 4710 device in "on a stick" mode, so I am using NAT and all that good stuff. I am also utilizing class maps and host header matching so I can save on IP space. [code]

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