Cisco Firewall :: ASA 5520 - Configure QoS
Mar 10, 2011
We have Cisco ASA 5520 firewall. ASA Version - 8.0(4). ASDM Version - 6.1(3). Firewall Mode - Routed.
We want to configure QoS for some subnets and enable policing such that they cannot use more than 1mb of bandwidth. I think we cannot create more than 1 policy for it. In that case i created a policy with QoS enabled and configured the Input and Output policing with Commited Rate of 1024000 bits/second. But it does not seem to work.
how can i create such policy in the ASA to limit certain subnets to 1mb bandwidth ?
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Mar 18, 2012
i'm trying to configure an ASA with two ISP to be reached from internet for vpn access, the objective is that the user can use any of the Public address attached to ASA to connect to the company. Is this possible? i'm facing some problems because i can not use two different default routes (same AD) pointing to two different interfaces, this is the message that i receive "ERROR: Cannot add route entry, possible conflict with existing routes" and when i change the AD of one of the default routes i just can reach one ISP.
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May 23, 2012
I have a cisco ASA 5520 that i'm configuring.From the actual Firewall (with is a linux server), we have the outside interface eth0 with has a public IP and other sub-interfaces (eth0.1; eth0.2,...) with others publics IPs.I'd like to know how I can configure it in an ASA
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Nov 4, 2011
i have an ASA 5520 with ios 8.4 and asdm 6.4.
my configureation is below
my asa interfaces
inside ip
172.16.0.0/22
[Code].....
so now i want to configure my asa to give access to user based. what configurations should i use to do so.
i have attached the Edit Active Directory Server dialuge box so what should i put there in the box's
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Feb 4, 2013
How to configure ASA 5520 to resolve names in ASA's. We are currently using ASDM to configure network objects with the hostnames in the internet and then specifying the IP address . But this is done manually. Is there a different way of setting it up on ASA. Also when getting reports from ASA, we see the IP's but is there a way that we could add an identity to the IP's (reverse lookup)
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Mar 3, 2013
I have two ASA 5520 version 8.2 in active Standay Mode. What is a good practice to setup IPS AIM ssm-20 for this setup.
Is IPS should be in Fail-Open or Fail-Close mode ?
Is Mangement ip for both IPS module should be same or diffrent. ?
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Sep 20, 2012
I am new to cisco ASA. I need to configure ASA 5520 in transparent bridge mode. [code] I need to place the new asa firewall in transparent mode. How to configure the firewall in transparent bridgmode.
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Nov 24, 2012
We already have a subnet defined to inside interface and is in produciton. the default gateway is this interface ip. In that setup now I have to add one more subnet and as the first subnet is been defined in ASA indside interface, I have to assign secondary Ip to the inside interface so that new subnet users can easily reach here and go outside.
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Apr 16, 2012
Below is my config for IP SLA. I would like a SNMP trap to be sent when my primary fails over to my secondary and so on.
sla monitor 20
type echo protocol ipIcmpEcho 100.X.X.1 interface INET-FIOS150
num-packets 2
[Code].....
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Jan 3, 2013
Is it possible to import the config of a 5510 to a 5520. Trying to replace two 5510's with 5520's and wondering is there a way import the existing config files for the 5510's into the 5520's?
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Apr 16, 2012
i have cisco ASA5520 and i have a remote access vpn .I want to configure logging for this remote access vpn.
i want the time user connected .how log it is connected .If any error while connecting ?
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Jul 12, 2011
To show up the ASA as a hop in a traceroute, one can use the 'set connection decrement-ttl' feature in a policy map.During my tests I recognized, that this behaviour only affects IPv4 traffic.
An IPv6 traceroute still does not show the ASA as a hop.How can I configure the ASA to show up as a hop in an IPv6 traceroute?The ASA is a 5520 with v8.4(1) installed.
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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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Feb 17, 2013
We have an ASA 5520 with two VPN profiles working fine.Since some users are now working with Windows 8, VPN clients for Cisco ASA is not able to connect.I have read there are problems for such VPN Clients in that OS, and I should use now Anyconnect for them to connect. I thought we had anyconnect working also, because some users can connect to a web page they can do some kind of connections to internal servers, (web, telnet, rdp, etc) so I installed cisco anyconnect VPN client in a laptop and try to connect (same IP and port I used for that web page) but after signing I get the message AnyConnect is not enabled on the VPN Server.So I tried to follow a configuration guide for Anyconnect, but there's a step in which I am trapped, these are the steps: Click Configuration, and then click Remote Access VPN.
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Jun 21, 2012
If I have an ASA 5520 with an INSIDE interface, a DMZ interface and a WAN interface what would be the best way to configure NAT? If I configure nat-control and a nat (inside) 1 0.0.0.0 0.0.0.0 this will configure everything to be NAT'd when passing from the INSIDE interface out.My question is what about the devices I want to access in the DMZ from the inside for management etc? I'm guessing the ASA isn't smart enough to realise you're accessing hosts in it's DMZ interface so do you have to configure a nat 0 rule for every subnet within the DMZ you want to access or is there an easier way to do it? It's worth noting that the same devices will be accessing the OUTSIDE network and the DMZ network from the INSIDE network.
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Apr 16, 2013
I have a firewall ASA 5520. In this time I have connected 3 networks (192.168.1.0 INSIDE, 192.168.2.0 INSIDE2, 10.0.1.0 OUTSIDE). I follow the article [URL] to configure my firewall, but the ASA no permit traffic (ip, udp, icmp, etc) between the networks.
The configuration that i have is:
ASA Version 8.2(1)
!
hostname Firewall
domain-name xxxxxx.com
[Code].....
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May 23, 2011
I am trying to connect to VPN using Blackberry Playbook. how to configure this VPN using ASA 5520.
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Jan 22, 2013
I am trying to configure Remote Access VPN in our Cicco ASA 5520 firewall through SSL VPN wizard. I tried to configure Anyconnect VPN client option, but after entering user/pass it gives error "An error was received from the secure gateway in response to the VPN negotiation request. Please contact your network administrator. The following message was received from the remote VPN device: No assigned address"
As looking online there is no easy step-by-step option for same. I want to provide Remote Access VPN to some of our user abroad who should have access to few server applications and no internet access.
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Nov 2, 2012
We were using ASA-5520-K9 with ASA-SSM-AIP-20-K9 but recently found some hardware problem in our running ASA. Now cisco want to replace with ASA-5520-K8.
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Sep 21, 2012
I need to configure my ASA 5520 version 7.3 firewall to translate our SMTP server residing in local LAN to use different IP address from the outside interface which is used by all other computers to access Internet. Under NAT section, I have NATted this internal SMTP server with different IP address(eg x.x.x.1) and also translated the remaining IP addresses in the LAN to the outside interface(eg x.x.x.2)
my problem is, Whenever i check the header for message coming from the smtp server it shows that, the SMTP server is also translated by using the same outside interface public ip address(i.e x.x.x.2) which is used by other client machine to access internet instead of the x.x.x.1. How I can get my SMTP server to use separate IP and avoid to be blacklisted by some domain.
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Sep 20, 2012
I need to configure my ASA 5520 version 7.3 firewall to translate our SMTP server residing in local LAN to use different IP address from the outside interface which is used by all other computers to access Internet.
Under NAT section, i have NATted this internal SMTP server with different IP address(eg x.x.x.1) and also translated the remaining IP addresses in the LAN to the outside interface(eg x.x.x.2)
my problem is, Whenever i check the header for message coming from the smtp server it shows that, the SMTP server is also translated by using the same outside interface public ip address(i.e x.x.x.2) which is used by other client machine to access internet instead of the x.x.x.1.
how i can get my SMTP server to use separate IP and avoid to be blacklisted by some domain.
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Dec 13, 2011
Not sure if my subject is a good decription of the problem or not.
I have an ASA 5520 at my home office and a SonicWALL NSA2400 at my remote office. The remote office has dual internet connections and I wanted to create two seperate VPNs between the devices using each internet connection on the SonicWALL.
I know how to configure this on the SonicWALL, the problem is on the ASA 5520
OK Basic network config
Main Office
ASA Public IP 1.1.1.1
ASA Internal network 192.168.1.0 (VPN source)
Remote office
Public IP 1 2.2.2.2
Public IP 2 3.3.3.3
Iternal network 192.168.2.0 (VPN destination on ASA)
If I have a VPN from the main ASA to either one of the SonicWALL's public IPs everything works fine
If I create 2 VPN tounels from the main ASA, 1 to each public IP on the SonicWALL, the VPN shows as up but no traffic flows.
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Aug 31, 2006
I want to configure a MAC address on my asa 5520 interface.I ask you if exist a private MAC address range?
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Feb 3, 2013
I'm working with AnyConnect for the first time (my prior experience is with IPSec client) and I have multiple remote users who connect to a 5520 via AnyConnect client; they need to print to each others' shared printers but currently have no connectivity between each other.
Can I configure the 'intra-interface' command to enable connectivity between remote clients, or is there more that needs to be done to enable this, presuming that it can be done at all?
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Feb 27, 2013
I'd like to see some REAL LIFE comparisons of ASA firewall throughput (a bit like this one for ISR G2 Routers - [URL].
The reason I ask is that I recently upgraded a firewall from an ASA5505 to an ASA5520 on a small network where the only outside connectivity was a single 10meg Internet circuit with an IPSEC VPN (not landed on the firewall but on a router) to another site.
When I swapped out the firewall the users noticed a big improvement. The firewall is not doing anything out of the ordinary - no IPS or VPN, just standard state full inspection.
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May 5, 2013
I have an asa 5520. How would I configure my dedicated management interface to be able to route off subnet while the firewall is in transparent mode?
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Jul 26, 2012
We are using the newest release of AD Agent (1.0.0.32.1, built 598). The ASA Firewalls 5520 are having the software release 8.4(3)8 installed.When somebody tries to connect thru the Identity based firewalls from a citrix published desktop environment (PDI) the connection is not possible. Checking the ip-of-user mapping on the firewalls (show user-identity ip-of-user USERNAME) mostly doesn't show the mapping of the USERNAME and the PDI the user is logged in. The user-of-ip mapping of the PDIs IP-address shows mostly other users, which then are used to authenticate the acces thru the firewalls.
What is interesting, that on the AD Agent using "adacfg.exe cache list | find /i "USERNAME"" i can't see the PDIs IP-address neither because it is mapped to another user.Is Citrix Published Desktop environment supported to connect thru Identity based Firewalls? How AD Agent, Domain Controllers and Firewalls are working together? On the firewalls with "show user-identity ad-agent we see, the following:
-Authentication Port: udp/1645
-Accounting Port: udp/1646
-ASA Listening Port: udp/3799
Why Cisco does use 1645 and 1646 and not 1812 and 1813?The Listening Port is used for what purpose? we tried the AD Agent modes full- download and on-demand with the same effect.
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Apr 15, 2013
I try to launch a LAND Attack against my firewall ASA 5520. Everything will work fine. But why, I think it should not work. I use a little tool where I can user a spoofed address, with a cluster shell and attack the firewall interface with the source of 127.0.0.1 ore the ip address of the interface as the source and destination. Then I get a cpu load of 89% with only two host. With IP tables I can use kernel processes to prevent this. But I don´t find anything for ASA.
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Jan 4, 2012
Two different WAN links get connected to the firewall via two routers.(Different ip subnets).I need to get this two wan streams seperatly to the core switches.Core switches sits.Active/Stanby senario. If the Active core goes down Stndby Core will have take over the traffic. My design is correct ,if not what do i need to change. ASA is 5520.
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May 22, 2013
I have ASA 5520 installed. I want to use ntp server for firewall clock setting. I found one open-access ntp server (stratum 2) in Los Angeles:
[URL] 209.151.225.100
Can I use the following command to set ntp server?
ntp server 209.151.225.100 source outside.
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Jan 1, 2012
communication between 2 vlans.i have 2 vlans
Vlan 100
ip add 1.1.1.1
!
!
!
Vlan 200
ip add 2.2.2.2
i want to make communication between 2 vlans on firewall 5520 ASA 8.2.
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Jul 7, 2012
How to configure traffic flow between computers inside VLANs and a routed port? Here is the setup details:
1. Switch 3750-X
2. VLAN 100 - ( SVI IP address 192.168.100.1 /24)
3. VLAN 200 - ( SVI IP address 192.168.200.1 /24)
4. routed port gi1/0/48 (IP address 192.168.150.1 /24). Note: this port is directly connected to a firewall ASA 5520 port IP 192.168.150.100 /24
Ip routing is enabled on the switch and inter vlan traffic is flowing ok. I can ping the routed port gi1/0/48 from any computer connected in the VLAN 100 or 200. For example computer with IP 192.168.100.25 can ping the routed port 192.168.150.1. Switch can ping firewall port 192.168.150.100 and the 'sh ip route' command shows the network 192.168.150.0 /24 as directly connected network.
any computer in the two VLANs CANNOT ping firewall ASA port 192.168.150.100 Is it because inter VLAN routing does not work with a routed port on L3 switch? I looked up fallback bridging, but it is meant for non IP traffic.The goal is I am trying to set the ASA port as an internet gateway for VLANs.
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Feb 27, 2011
I have a serious problem with my corporate firewall, witch is an ASA 5520, fv 8.3, with 8 +1 interfaces. It suddenly started to crash every 10/20 minutes and rebooting alone.
First of all I checked system resources witch are in a very low usage state. I also checked interfaces errors, but nothing strange come out o from error counters analysis. I tried disabling logging and all the service policy rules configured, but nothing changed.
Nothing changed and firewall continue restarting by itself.
Last logs I received before crash were:
%ASA-4-711004: Task ran for 35 m sec, Process = Dispatch Unit, PC = 84a619e, Call stack =
%ASA-4-711004: Task ran for 35 m sec, Process = Dispatch Unit, PC = 84a619e, Call stack = 0x084A619E 0x084A6512 0x084A70E1 0x084A7987 0x084A7AAA 0x08558B9B 0x08558E8A 0x083D3518 0x083CA145 0x080659D1 0x089196D9 0x08919790 0x089FF711 0x08A27468
Here the sh crash info command on module 0, after last reboot:
[Code] ......
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