Cisco Firewall :: Dual DSL Lines For 5510?
Jun 13, 2011
My remote office staff are stating it takes "forever" to open simple work/excel files.I think forever really means more than 5 seconds.My main office has a 5510. I have a brand new server in place here that my remote offices vpn into.
Those remote offices have 5505.
Each office has a dsl connection. Their download speeds range from 7mb to 10 mb and their upload speed are 0.5 mb to 0.8 mb.My first thought was to add a second dsl line to my main office. Then have dsl line #1 serve my main office and office 2.Then have dsl line #2 serve offices 3, 4 and 5.
Would this speed up the opening speeds of my remote offices?If so how challenging is adding the second dsl line into my 5510?
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Jan 5, 2012
I have 2 Isp's connected to my Asa 5510 running 8.4.4 Ios. Can I route Dmz traffic out one Isp and my regualr traffic out the other Isp?
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Jan 4, 2012
I have setup a site to site VPN with an ASA 5510 (8.4) and a Cisco 2811. The tunnel is working fine, however both sites have 5 different contiguous networks. The crypto ACL between sites states only one subnet.Is it possible to state a summary address in an ACL rather than having five lines for the ACL?The tunnel works when the router uses an ACL of 10.2.200.0 0.0.7.255, however if a summary address of all the subnets on the inside network of the ASA are stated in an ACL - 10.1.200.0 255.255.248.0 - then the tunnel does not come up.Is it possible to state a summary address on a crypto ACL on the ASA?
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Jul 13, 2011
I have existing Sonic FW in my company we are moving from sonic FW to ASA 5510 Security plus lice. I have two ISP currently connected to sonic Firewall I am planning to implement Dual ISP configuration on ASA5510.
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Apr 11, 2013
I am in the process of configuring a ASA 5510 to replace an older PIX. This change is part of migrating to a new ISP, so the process is complicated by the existence of two outside interfaces. I have virtually everything working, but there is a requirement to be able to access hosts from the internal networks using both their private IPs and their public IPs. The older PIX took care of this silently with little configuration, but the ASA has me twisted on the details. Some of the hosts with public IPs are on the internal network and some are on a DMZ (not my design, inherited). For the internal ones I implemented hairpinning to take care of the requirement, but I am having trouble with the DMZ based hosts.. Since there are two external interfaces each internal host has two IPs and two static NAT rules to handle incoming traffic from each external interface.
The routins and dynamic NAT entries we have in place take care of accessing the hosts using their private IPs on the DMZ, but I cannot figure out how to get the public IPs to work from the internal network. It seems like a simple Static D-Nat shoudl do it, but when I add a Static D-Nat on the DMZ the public IP works, but the private IP breaks.. Is there a way to get them both to operate ?
Network layout looks like this (IP ranges altered):
DMZ 172.10.0.0.0 Class C
INTERNAL 10.0.0.0 Class C
Outside 1.2.3.0 Class C
Outside2 2.3.4.0 Class C
[code]....
After applying it I could access the public IP (1.2.3.50) from the internal network, but I could no longer access the DMZ IP (172.10.0.2) from the internal network. Is there any way to get this configuration to allow access to both IPs from the internal network ?
The problem here is that there are website links based on the public IP and the DNS is split so DNS returns the internal IP to users. As a result both need to be accessible from the internal network.. Not my favorite design, but the client (or in this case the boss) is always right so I need to get it working somehow.
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Aug 4, 2012
I have a 5510 with me. I want to terminate two Internet links on that. The primary Internet Leased Line to access my DC network using Site-to-Site VPN, and the secondary ADSL connection to access my other location network via VPN and and for web browsing. How can I achieve these goals.
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Apr 2, 2013
I have a dual ISP, 1 primary and 1 secondary terminated on fa0 and fa2 on our ASA respectively. ASA was configured so that, when the primary fails, the secondary kicks in. [code]
It was until yesterday that we experienced downtime on the primary ISP that the secondary doesn't do the fail-over. I have to manually configure the device to use the secondary ISP. Currently, I'm looking at maybe this has something to do with the licensing.We are currently using a Base License, should we be upgrading to Security Plus?
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Jan 18, 2012
We have 1841 router with HWIC-4ESW we need to config point to point data Dual leased lines failover concept please find attached diagram.
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May 29, 2012
I am having an issue when implementing an additional internet connection on our ASA 5510. The new connection is "TWCOutside". I was my understanding that static NAT would force our externally hosted servers (Email, PPTP VPN, and FTP) to continue to utilize the "ATTOutside" connection. Our remote site-to-site VPN traffic has two static routes configured to force it to continue to use the ATTOutside connection.When I switch the metric on the 0.0.0.0 0.0.0.0 98.103.148.145 route to 1, and change out default dynamic xlate to use "TWCOutside", it "mostly" works as expected. Email, the PPTP VPN server, and our remote site-to-site VPN server continue to use the ATTOutside connection as designed. Our end users begin using the new connection for thier internet browsing.
However, our FTP server, in the DMZ, completley loses outside access. It cannot ping to 8.8.8.8, or resolve DNS queries. The is a static NAT statement for this server, as it is using one of our dedicated public IP addresses. I need it to continue to do so for the next few weeks.Effectivley, we just want to give our end users internet browsing on the new TWC link, but leave everything else on the old ATT link for the time being. The only problem I am having is the DMZ connection. I am currently "rolled back", so no one is using the new connection until I figure this out. I can easily switch the metric and dynamic PAT back to using the TWC connection, but I need to have some things to try with the DMZ before doing so. [code]
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Jul 2, 2012
I'm trying to configure policing and/or shaping on a setup of 2 x ASA 5505 Sec Plus. The units are placed in office A and office B and each have a ISP connection to the internet and a leased line with a capacity of 4/4 Mbit/s for interoffice communication.
On each ASA there's four subnets. VLAN 200 is used to connect the offices through the leased line.
Subnets:
Outside = 2
Data = 10
Voice = 100
Linknet = 200
I've read a lot of articles and posts about shaping and policing on the ASA but still can't get it to work like I wan't to. I'm trying to limit all traffic besides IP-telephony traffic to 3 Mbit/s and thus reserving 900 Kbit/s for voice traffic. I tried setting a service-policy on the linknet interface on each ASA and set Traffic match to Any traffic and QoS settings for both input and output.
I can see traffic passing the policy when I run the "show service-policy police" command but it never seems to be high enough to be policed which is strange since the ASDM monitoring shows that I'm pushing 3900 kbit/s. I file transfers verifies that policing does'nt work.
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Nov 29, 2011
Context:1- My company has one ASA 5510 configured with Site-to-site VPN, Ip sec Cisco VPN and Any Connect VPN.2- We use ASA to connect to the single ISP (ISP 1) for internet access. ASA does all the Na Ting for internal users to go out.3- A second link is coming in and we will be using ISP 2 to load balance traffic to internet (i.e. business traffic will go via ISP1 and “other” traffic will go via ISP2).4- A router will be deployed in front of the ASA to terminate internet links.5- No BGP should be used to implement policy (traffic X goes via ISP1, traffic Y goes via ISP2). Questions:How do I get this done, particularly, how do I tell the router, for traffic X use ISP1 and for traffic Y use ISP2? PBR is my friend?Since I will be having 2 public Ip Addresses from the 2 ISPs, how do I NAT internal users to the 2 public Ip addresses ?. Finally, which device should be doing the Na Ting? The ASA just like now or move Na Ting to the Router?
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Nov 9, 2011
i have two branch offices A & B both connected by a vpn. i am planning to add another isp on both the locations and have it just for the vpn. i.e have the second isp do just vpn and all other traffic go through the older ISP.. what are my options ? am not planning to add any extra hardware and also am not planning on acheiving any fail-over or load-balancing because i know ASA 5510 does not do load-balancing.
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Sep 2, 2011
Only trying to have the mail server reachable via the secondary ISP link if the primary ISP link goes out. The public MX records with priority markings should make it so any outside hosts tries the first ISP address then the second ISP address if the first is unavailable. I would be using object tracking to control the default gateway in the ASA. I'm just a bit fuzzy on the NAT with a dual ISP config on single box.It shouldn't happen but... if traffic comes in on ISP2 while ISP1 is still up (and the current default gate) that traffic should return out the ISP2 interface (using the ISP2 address and avoiding asymmetric routing) since there already an existing connection present inside the ASA. Any server initiated traffic would still use the current default gateway defined via object tracking on the ASA.
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Mar 4, 2011
I have two ISP circuits and the following devices in hand:
1. Cisco ASA 5510
2. Cisco 2800 router
3. Cisco 3750 switch
I've finished a part of the configs on above equipments, please refer to the attached diagram.And I'm making a test in order to achieve the below features:
1. By default, packets from PC1 go out through ISP 1. Packets from PC2 go out through ISP 2
2. When ISP 1 is down, packets from PC1 changed its way to ISP 2 through the 2800 router. And when ISP 2 is down, Packets from PC2 changed its way to ISP 1 through ASA 5510.
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Jul 1, 2011
I need to know how to setup my ASA with dual wan links. 1 is 10/10 fiber, other will be a 50/5 Cable Wideband link. The 10/10 fiber is currnetly being used for VPN's and Internet, (about 20 point to point IPSEC vpn's currently).
I want to add the Wideband link and use the "Tunneled (Default gateway for VPN traffic)", feature for the current fiber link and the new Wideband link for any other internet traffice. I tried this however as soon as I set my fiber link to "Tunneled (Default gateway for VPN traffic), I lost all connectivity.
I also setup my "VPN" link with the "tunneled" option and my "INTERNET" link with a default route to the internet. This would only let me ping internet sites from the ASA device but not from client computers, also the VPN's would not come backup.
I have tried the sla setting with a DSL line for failover and that works good, i've since got rid of the DSL and want to utilize 2 wan links for different purposes/traffic.
ASA 5510, SSM-10 1GB RAM
ASA version 8.4(1)
ASDM Version 6.4(3)
Context Mode Single
FW Mode Routed
License Security Plus
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Dec 13, 2012
i am trying to configure Dual NAT (source and destination) with multiple subnets in the source, i am trying to figure out how to accomplish this with 8.2 ASA ,
Original source
172.21.113.0/24
10.233.0.0/24
[Code].....
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Oct 9, 2012
My client is transitioning to a new ISP and want to migrate there web servers in stages. therefore they would like to keep some servers running on the old ISP and some servers use the new ISP.
I have set this up in a lab and keep running into routning issues (I am using 5510 for the lab as I do not have a 5505 available). I know that ASA's don't support PBR. Is there any way or trick to get this to work on the ASA?
I have a feeling this is not possible and we would need to get another ASA or a Router to get this to work.
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Oct 1, 2010
for the purpose of a redundency, incase the primary ISP goes down the backup kicks in.Can this be done with the basic license (max 3 vlans) or you need to have the security plus license. (20 vlans) Currently not using the 3rd vlan (dmz)
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May 28, 2012
I need to configure my asa as follows: Two active ISP´s, one(ISP1) for outbound traffic (normal internet traffic) and the other one for inbound traffic(ISP2), http to a web server in the inside network. I have two default routes, one pointing to ISP 1 with metric 1 and the other to ISP2 with metric 2. I perform dynamic nat to ISP1 interface with hosts in the inside network and static nat to ISP2 interface with web server.
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Sep 30, 2012
At the moment we want to connect the ASA on two seperate internet connections . We create one LAN interface and two WAN interfaces. Now we want to create nat rules nat our outgoing traffic. After some research and testing (on a 8.0(4) asa) we have it working.
But now we want to implemate it on our ASA, but it works a lot differerent. I can't create a nat pool (at the 8.0(4) i can assign the second interface to the existing pool) wit two interfaces,
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Mar 12, 2011
I have Cisco ASA 5520 . I want to deploy this in the following scenario. Two ISP( for internet) links are connected in the ASA. Three zone ( Outside , DMZ , Inside) specified on the ASA.In DMZ , there are two proxy server ( proxy 1 , proxy 2) . Branch user will use proxy server 1 and Head office will use proxy 2.
In the above scenario management requirements are, Proxy 1 will use ISP 1 and proxy 2 will use ISP 2.If ISP 1 goes down then proxy 1 will use ISP 2 for internet. Please suggest me how I will configure the ASA in the above requirements or if possible send me the configuration.
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Nov 22, 2011
Today I was playing the ps3 (call of duty MW3)... normally I would connect via wireless but I'm getting a ton of lag and it's becoming frustrating. Later on I moved the ps3 downstairs and connected it via Ethernet and it worked so good.I want to look into buying those Ethernet power lines but not sure how good they are compared to running a Ethernet cable from the ps3 to the router or how good they will be vs wireless? I just don't want to waste money on these. If all else fails we will probs run a Ethernet cable through the ceiling
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Mar 27, 2013
I am attempting to set up failover dual ISP on a 5505 running 8.4(4) with the Sec Plus license. Everything i have been able to reference so far, points to old commands not available or relevant in 8.4
For instance:
global (backup) 1 interface
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
route outside 0.0.0.0 0.0.0.0 20.20.20.1 1
route backup 0.0.0.0 0.0.0.0 30.30.30.1 10
What is the new syntax that should be used to mimic these commands? I have the sla and trach reachability configuration already set up.
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May 7, 2013
I would like to configure a Cisco ASA 5505 with Dual ISP (ISP 1 and ISP2) and two networks (network 1 and network 2). My customer need that clients in the network 1 connect to Internet with ISP1 and clients in the network 2 connect with ISP2. If a failure occurs in ISP1 (just an example) the network 1 clients connect with ISP2.
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May 31, 2013
I would like to knwo if i have dual ISP feature with my ASA 5520 licence? With ASA 5505 i can see Dual ISP feature but with ASA 5520 it's not!
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Dec 19, 2012
ASA5510 ios v8.4.I've setup dual ISPs and I'm trying to get ipsec VPN client access to work on the backup interface (outside-backup). The goal is to have outbound traffic on the inside subnet NAT'd through the main interface (outside) while inbound ipsec VPN clients connect and operate off of outside-backup.crypto map is applied to 'interface outside-backup,' however clients are unable to connect. If I switch the default route to go through outside-backup everything starts to work again.
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Oct 30, 2012
I have setup an ASA5505 running 8.2 with dual ISP's
Primary link is the current live static route out and the backup picks up if the primary fails. That all works great However I have an issue with inbound NAT rules
I have configured an inbound static on the primary which works great
static (inside,primary) *.*.*.* 10.1.1.1 netmask 255.255.255.255 access-list outside_access_in line 2 extended permit tcp any host *.*.*.* eq 3389 (hitcnt=4)
Question? With the primary link active and the default route pointing out through the primary, am I able to configure an inbound NAT to the same inside host 10.1.1.1
on the backup link?
If the primary fails users will need to be able to connect inbound to this service
When I try to set it up I got this error ERROR: Static PAT using the interface requires the use of the 'interface' keyword instead of the interface IP address
So I tried that and got this error WARNING: All traffic destined to the IP address of the backup interface is being redirected. WARNING: Users will not be able to access any service enabled on the backup interface.
So what is the best practice for configuring inbound NAT for a dual ISP configured ASA
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Jun 3, 2012
I have a site with an ASA5505 and 2 isp connections but the catch is the 2 isp's are giving me a dynamic IP so I am unable to use this [URL]
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Apr 5, 2010
I have an ASA5505 with Security Plus license so I can have many interfaces (not 2 + 1 limited DMZ like in base license)
I have 2 VLANs.Is it possible to use one ISP for VLAN 1 and other for VLAN 2 ? Is it limited to 2 ISP's or can have more ?
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Feb 29, 2012
I want to create a Dual DMZ in a ASA5510 however it is not like I used to in ASA5505?In ASA5505 I create a Outside, Inside and DMZ VLAN and there after add the interfaces into the VLAN.This way I can have two DMZ interfaces, but how do I do it in a ASA5510?
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Sep 18, 2012
I have ASA 5505 ver, 8.4(1) I have configured 2 WAN links to
1. Outside1 - distance metric 50
2. Outside2 - distance metric 20
Currentry all traffic is passing thru Outside2 and it's correct, also s2s and ra VPN is also running on Outside2 ?My current case is to use Outside1 for webvpn services only. I can't use Outside2 becouse on 443 port other services are running, also I cant change webvpn port to other.
How can I match packets incoming to interface Internet1 from Interner side nad route them back thru Internet1 interface.
IPSLA is not a good solution becouse I need to have both WAN links used Now in routing table I have only onre record
S* 0.0.0.0 0.0.0.0 [20/0] via x.x.x.x, INTERNET2
for link with lower metric, but after some problems with provider for link Internet2 routing has changed for Internet1 and didn't change it back after resolving problem? how to create it for all traffic incoming for Internet1 interface from outside?
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Dec 5, 2011
We have a cisco ASA 5505 with sec bundle plus
We have two ISP's:
ISP1 (Our IP = 30.100.150.50, gateway 30.100.150.8)
ISP2 (Our IP = dynamic, gateway 20.100.150.9) - ADSL
Our internal LAN IP range is 10.9.8.0/24
We want to configure the ASA 5505 to allow users via ISP2 for http traffic We then want to use ISP1 for strictly VPN and access to internal web resources (eg OWA) as we have public IP's there.
Our idea was to configure two gateways on the ASA (e.g. 10.9.8.5 via ISP2 and 10.9.8.6 via ISP1)
Then give the users gateway 10.9.8.5 for web browsing etc Is this configuration possible on the ASA 5505?
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Jul 19, 2010
We are bonding two LLU DSL lines using MLP. Our LLU provider supports MLP bonding and we have a few other customers working well on Cisco 1841s, although not such high sync speed lines as this problem site.
So the lines work well with no interface errors and sync speeds are very good and evenly matched between the two lines (approx 14Mbps downstream). It's all good - it's great in fact except that it just doesn't work properly! By that I mean we're not seeing the downstream throughput we'd expect. We actually get the downstream throughput of less than a single DSL line, so about 12Mbps. Upstream bonded throughput is fine and in line with the sync speeds.
Both circuits are 'active' in the PPP multilink bundle and I see 3 sessions on our core LNS Cisco 7301 (c7301-boot-mz.124-2.T.bin) - i.e. 2x circuits + 1x bundle. We've checked the circuits individually and 'actual' throughput (using NetPerf software) is similar for both lines and in line with the sync speeds.
We are seeing quite high CPU (50%) on the Cisco 1841 (c1841-ipbasek9-mz.124-24.T1.bin) at the customer premesis, but having tested a Cisco 2951 on the customer premesis with two new HWIC-1ADSL-M cards, this is not the cause. The 2951 ran at 5% CPU whilst we experienced the same problem.
We've checked the setup of both Cisco CPE and LNS with our LLU provider and they are happy with the MLP config. They themselves have been able to bond two similarly sync'd Annex-M DSL lines and get 25Mbps throughput on a 1841.
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