Cisco Firewall :: ASA 5510 - Data Center Move / IP Address Change
Nov 4, 2012
We will be moving to a new data center in the very near future and with them our WAN IP addresses will be changing. Any best course of action for changing the IP addresses throughout the firewall configuration? Would it be possible/suggested to export the running-config, make the neccessary changes, then import the config? I am familiar with the ASA 5510 only so far as changes are required. It is not something I work with on a regular basis.
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Apr 4, 2011
We are planning to purchase an ASA 5505 for a VPN solution for one of our offices. The office has 50-60 user at peak load who would be connecting over the S2S VPN to the datacenter.
From a hardware standpoint, can the ASA 5505 handle this load. The licence is for unlimitedf inside hosts but what is the actual limit on this platform?
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Oct 11, 2012
We have backup data center where I am now planning to provide backup internet service ( in the case where there is internet down or power outage at main server room) . I have a pair of Cisco ASA's 5540, one of which I need to move to backup data center ( BDC), Presently I have ADSL router at disaster serve room with static public IP from ISP.
Currently, I am publishing all my internal resources through ASA. Now my questions, if I move Standby ASA to Disaster Server Room. How I can publish the same internal resources through standby ASA and make it standby as active during the down time of main server room
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Dec 17, 2012
I'm upgrading ASA firewalls from a 5510 (running 8.2.2 code) to a 5515-X (running 8.6.1 code). What is the best way to move the existing config to the new firewall? Can I simply copy it?
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Jan 16, 2012
I can't move traffic (isakmp udp_port: 500 & ipsec nat traverse udp_port: 4500) from my dmz to the outside interface
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Jul 2, 2011
We are in middle of deploying WiSM2s on our network, from a design point of view i am confused on where to position the WiSM2s. We have 2 DCs and from best practice architecture view WLC should not be placed on the Data Center segment, but it seems that is the only option i have.
DCs host 6509s, i am planning to host 1 WiSM in each DC, all clients will be on seperate subnet. Do you foresee any issues with this deployment or any security issues? authentications are followed as per cisco recommendation, clients authenticated against AD through ACS so it is fairly secure.
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Feb 22, 2012
How to trace firewall and load balancers placed in data center.
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Oct 21, 2011
We have had this issue for a long time in our enterprise. I don't work all the time in networking. I did a CCNA a while ago. We used to have a network manager who set everything up but he left the company. Basically we have this issue that if you connect to Cisco L2TP Remote Access VPN you can't access any resources at our Data Center. Also if you connect directly to the LAN.
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Sep 7, 2011
I have some doubts about the best solution for the design of a mini data center.In the data center there is a 6500 with FWSM module installed, there are some vlans created, all of them in the fwsm module. For example, a back end server to communicate with a server in the front end must always pass through the firewall. My question is, all these flows passing in the firewall does not degrade the speed of communication?What is the best practice, just pass the communications with the WAN in the firewall, and the vlan communication between front end and back end is only set up in 6500?
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Jan 11, 2012
Any recommendations for top of rack switch for within our data centre.Dual power is a requirement, but bandwidth and through put will not be huge as such I have been looking atthe WS-C3560X-48T-L and the Nexus 3048.
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Mar 2, 2012
I have some doubts about the best solution for the design of a mini data center.In the data center there is a 6500 with FWSM module installed, there are some vlans created, all of them in the fwsm module. For example, a back end server to communicate with a server in the front end must always pass through the firewall. My question is, all these flows passing in the firewall does not degrade the speed of communication?What is the best practice, just pass the communications with the WAN in the firewall, and the vlan communication between front end and back end is only set up in 6500?
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Feb 26, 2012
What are the list require for setting up Data Center for either University or Government?
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Feb 13, 2012
I have a question regarding firewall configurations. Is it possible to have two interfaces ( for two internet service providers) one for voice and one for data. Can I have two Outside Interfaces that one will apply to a pppoe client group and the other will apply to a static IP? Is this possible and if so What would be the steps on applying this connection? Also to note I have a point to point connection already established for the pppoe. I also have another point to point connection for data, but however I do not know how to apply this to the firewall.
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Dec 14, 2011
i'm looking to change my pix 506e for an rv042,is it a bad move or a good move ? is the rv042 much better than the 506e? i want to change to an rv042 because it's easier to manage! 506e is currently doing this :
-firewall for a web hosting company (7 servers)
-2 vpn tunnel
-one-to-one nat.
performance side : is the rv042 much better than the 506e? should i pick up an rv082 or an rv016 ? are they much better than the rv042 ?
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Feb 4, 2013
I have inherited an asa 5510 whit 4GE SSM module installed. The asa runs fine, but i can not use the 4GE SSM ports. Using ASDM or console i can get and configure the gigabitethernet1/x ports but i can not get traffic on it. The ping from the console to the ip address of the Gigabitethernet1/0 is successful. On switches or hubs connected to those ports i can not see the port's mac address. The two Internal-data0/0 and Internal-data1/0 are down and i can get they up. How to configure 4GE SSM or ASA internal-data ports.
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Oct 3, 2012
I am not a ASA expert but I have configured them few times. I have a vision of a task I have to complete but not sure if it is practical or how to go about doing it.
We two locations, Location A and Location B. Both locations have a 100MB internet conection. Location A has a ASA 5510. Location B has a 5505. Users at both locations access the internet via their respective ASA. Location A is the headquarters and Location B is a disaster recovery site. We want to setup a tunnel between both ASAs. This tunnel will be used to replicate data between the two locations for DR purposes. We need the users to still use the same pipe to get to the internet but want to allocate 10MB for internet use and the remaining 90MB for the DR tunnel.
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May 2, 2013
we have ASA 5510 Configured. this is regarding site-to-site VPN.
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Oct 8, 2012
Lucien is a customer support engineer at the Cisco Technical Assistance Center. He currently works in the data center switching team supporting customers on the Cisco Nexus 5000 and 2000. He was previously a technical leader within the network management team. Lucien holds a bachelor's degree in general engineering and a master's degree in computer science from Ecole des Mines d'Ales. He also holds the following certifications: CCIE #19945 in Routing and Switching, CCDP, DCNIS, and VCP #66183
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Feb 21, 2013
I have a problem to solve in our data center, see attached drawing. HW: Our core switches consists of two stacked C3750 with ip routing. What I want to do is probably simple but I haven't been able to figure out the best method.
VLAN10 and VLAN20 should not be able to communicate with each other. (ACLs?)VLAN10 will have it's own default route/firewall. Both VLAN10 and VLAN20 should be able to send server backups to server in VLAN30. All 3 V LANs come in on a trunk from a pair of stacked C2960-S. I need it to be able to scale if we have 50 VLANs for instance, hopefully without long complicated ACLs. I've been considering VRF's, PBR but can't decide what's the simplest solution to this problem. I have never done this before so I would prefer to start off on the right foot.
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Aug 7, 2011
I needed to change the mask, not the ip address, of the outside interface of an 5510 running 8.2(3).
Immediately afterwards I could establish ASDM but could not re-establish SSH.
I tried the following:
Zeroize the rsa key and generate a new one Create a new SecureCRT session to accept the new key
That didn't work. All I have is ASDM access.
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Feb 12, 2012
I just added a PIX515E to my lab (since this is a lab, if I need to change IP address, that is not a problem)....I thought I configured it right, but I am not able to ping any of my other routers/PCs.I have EIGRP on the other three routers, but not sure if I configured it right on the PIX.The diagram below shows my current network topology....(right now the PIX is connected vai Ethernet 1 to the switch, not the router itself) [code]
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Dec 19, 2012
I have a Cisco 5510 which has remote access VPN configured.Now I have new block of IP address, is there a way I can just change the outside interface IP so that people can remote in without doing anythng else?Or if I coulds be taught to create a new one.Or best way to approcah this issue?For example: it was 67.64.x.x now I need to change to 64.44.x.x.
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Mar 13, 2013
We have an ASA 5505 and are changing ISPs so we'll be getting a new static IP address. How do I change the external IP address using ASDM? (I haven't done it in 5 years so I'm rusty and just want ot make sure.) The ASA and ASDM are up to date.Am i correct in that I only need to change the external address in the configuration under Interfaces, then under Routing - Static Routes - Gateway IP I just need to enter the new WAN gateway address?
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Mar 10, 2011
we have two Cisco ASA 5510 in failover configuration.We tried to change the public IP address on the Outside interface of the primary device but it didn't works. The new IP is not reachable from Internet nor pingable from device on the same LAN.The new IP address is in the same subnet of the old IP.
From the switch on which the ASA is connected and from another Cisco PIX we can see the ARP entry. In the analysis, on the old public IP address there was a VPN site-to-site and Webvpn defined.We tried also to shut/no shut the interface and reboot the device.
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Dec 27, 2010
We've recently shut down an interface on one of our ASA 5510s as we no longer use that service provider. The dashboard, however, still insists on showing traffic usage on this interface. How do I change the dashboard to display a more meaningful interface?
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Apr 21, 2013
Does 6500 SUP720/2T support MAC Address-Table Move Update Feature?
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Jan 17, 2012
We have an ASA5510 running version 8.25. This is in our central office in London. The London network has an ip address range of 10.110.128.0/22. Connected to this via a site-to-site VPN we have a satellite office that has an IP address range of 172.16.148.0/22.
We have now connected to our parent company via another site-to-site VPN connected to the same ASA5510. Their network has an internal range of 10.110.18.0/24. It was our parent company that issued us with our range of addresses a long while ago so that it all fits in with the rest of the company.
We have resources (web servers) on their network that we use which work just as it all should. We now want to allow our satellite office to view those same web servers. The problem is that only 10.110 addresses can flow to our parent company.
I have configured the firewall at our central office and our satellite office to route across to our parent company via our network network and the packets are flowing just fine except that obviously once they reach our firewall they cannot go to our parent company because the 172.16.148 range cannot be routed there.
My idea is to NAT traffic from our satellite office to one of our local addresses before it goes over to our parent company network.
For example: If someone in our satellite office with an IP address of 172.16.150.5 attempts to request a resource from 10.110.18.12 then the request would go via the VPN to our firewall and then get NATed to 10.110.131.200 before being passed on to our parent company network.
My question is what would the NAT configuration be to achieve this. I just cannot work out what type of NAT I would need or how to construct the command. It's probably PAT as it will be multiple addresses to a single address. Essentialy, all traffic from 172.16.148.0/22 destined for 10.110.18.0/24 should get NATed at our firewall to 10.110.131.200 before being passed on.
Just to add, we already have this working from our Cisco 3000 Concentrator which is now going to be phased out hence trying to get this to work on our ASA. The satellite office has now been moved to the ASA and as of today our parent company has been moved to the ASA.
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Mar 3, 2013
I am using an ASA 5510 firewall in routed mode.How can I filter incoming traffic by mac address on the AS 5510 ? I have already setup a static access rule for rdp users on the outside to access a terminal server on the inside.Now, i would like to further limit access from specific computers only.
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Nov 16, 2011
I added a new server and created a new static NAT assignment on the ASA 5510 to the server's IP. When I browse to the web to check what public IP it's reporting, it shows the wrong IP. I disabled the network interface on the server, ran "clear xslate", reenabled the network interface, ran "sho xlate" and while the correct translation was in the table, the server still reported the wrong IP address.I even ran a packet trace and it showed the IP address being correctly translated to the proper public IP, but when I browse to the web I get the same erroneous public IP. [code]
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Nov 28, 2012
We have hosted spam filter service with 3rd party vendor. My vendor is switching to different spamming services and I need to add ip address lets say 44.33.454.32 to the list of allowed system that can connect to my smtp service. I am going over my firewall 5510 configs and I think I need add the entry like this: “access-list outside-to-inside extended permit tcp object-group obj-44.33.454.32 interface outside eq smtp”. [code]
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Dec 10, 2012
I have just started to use an ASA 5510 for my network. I use the DHCP server on it and after i made the change over to ASA hosts started loosing their IP address. This was not a problem before on my old firewall that aso had the roll of DHCP.
Is it possible that something is wrongly sett on the asa? All traffic is flowing normaly when this does not happen.
Information:
Lease length: 172800
address pool: 134 addresses
hosts: around 45 + mobile units 45
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Jan 19, 2013
Is it possible to perform static Nat's through an internal network?I have a ASA 5510 with a public outside interface (let’s call it 68.68.68.1), and I have an inside private IP address (192.168.1.2/24). The inside IP address leads to a 4900m with that interface being configured with a 192.168.1.1 (no switching). On the 4900 M I have several VLANs one of them is an internal DMZ of sorts. (192.168.2.0/24). Within this DMZ network are several Web servers which need to be associated a public IP address (68.68.68.x).
Every time I configure a static Nat to associating a public IP address with an internal IP address within the DMZ, packet Tracer on the ASA informs me that the packet gets dropped at the static Nat and I cannot figure out why this is so.Safe it to say my question still stands is it possible to Nat (68.68.68.222 to and 92.168.2.60) given the configuration above, and how would I go about configuring in such the manner above so that I acn apply static nat through the 192.168.1.0 network to reach the 192.168.2.0 network.
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Dec 25, 2012
We have an ASA 5510 and we also have two separate address pools which have been provided by our ISP. The addresses are not contiguous. Is there a way to configure an interface on the ASA to handle both sets of public address pools? If the outside interface is set up on eth0/0 would I create two subinterfaces (eth0/0.1, eth0/0.2) and assign each subinterface an address pool? Then just NAT/PAT to my heart's content? At that point I would want both to route to our inside network. So it's basically two inbound sets of IP addresses comming into one interface and then comming into the network... Right now the outside interface is configured with our first set of IP addresses. We wanted additional addresses and when we called our ISP they told us we already had them - just a different pool. Hence the question. I'm guessing that I wouldn't put anything specific on the outside interface and I would put the specifics on the subinterfaces?
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