Cisco WAN :: Throttling Traffic Through ASA5510
Apr 17, 2013
Although this is not a common issue, we have experienced occasions where our internet utilization has been maxed out (slowing everyone else down). Utilizing some features in the ASA, such as Top Usage Stats, along with PRTG monitoring, have always tracked the culprit down to being a single user -- be it someone downloading movies to a portable device, or downloading ISO's. (And for some strange reason it seems to always be a wireless user.) We are using an ASA 5510 for our firewall, and I was wondering if its possible to prevent a single client from consuming a disproportionally large percentage of our internet bandwidth? If the ASA 5510 doesn't have the ability to do this on it's own, are there any recommendations for add-on solutions?
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Apr 11, 2012
We have 110mbps internet service. When we have the 5505 behind the cable modem, our speed drops to 55mbps or so. If we remove the 5505, we see the full 100mbps. I assume the 5505 can handle the speed; if so, what other things should I be looking at?As an aside, we used to have 50mbps wich worked fine, then the ISP upgraded to 60mbps and the through put dropped to 30mbps (It always seems to be half)
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Sep 18, 2011
My device has 3 interfaces configured: inside, outside, DMZ. Right now I can access the DMZ from the Internet and I can access the DMZ from the LAN using an exempt nat statement. I am having a few issues setting up DMZ > LAN access however. The servers running on the DMZ need to send information to my LAN such as syslog traffic for example. Will DMZ traffic be NATed or should this somehow be excluded? Bascially all LAN devices should get to the DMZ devices by their actual IP and vice versa. Are there any special statements I need to add to the ASA such as nat or ACLs to make this work? My LAN is 10.10.6.0/24 and DMZ is 192.168.254.0/24.
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Jul 4, 2011
ASA5510 configuration, I would like to know if it is possible (and how) to forward traffic received on WAN port of the first ASA to the server in LAN on the other side of VPN tunnel:
Internet (IP 85.128.50.x) – ASA5510 (192.168.1.x) – VPN tunnel – ASA5510 – LAN (172.16.71.x)
I need to have IP 85.128.50.50 redirected to 172.16.71.15 through VPN?
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Sep 12, 2012
I currently have a site to site VPN running connecting a branch office and the Main office using a ASA5510 and ASA 5505. currently PC's at the branch can access the network in the main office using interface 0/1, but we have added another ip range using interface 0/2 and I can't seem to route the traffic to both interfaces. I currently have 0/1 as inside 192.168.10.1 which works, and have added 0/2 as Inside2 192.168.20.1. I know I am forgetting something, any commands to route incoming VPN traffic so PC's at the branch office can connect to both IP ranges?
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Oct 1, 2011
We've created an ipsec VPN tunnel between our ASA5510 (8.3) and a Pix firewall (not sure of the specific version, etc).
The tunnel works fine, except for timing at times (traffic only goes through a few times a day), and a wierd problem with all traffic being allowed even though I'm only allowing specific ports (SFTP, SQL Server 1433) from a network at the client site to a specific server in our Data center.
I was surprised that I could RDP into the server, as well as telnet any other port exposed on this server from the client site. Now as I write this i realize that I did not check whether any of our other data center servers can be reached via the tunnel.....
Not having set up many VPN tunnels before using ASA (only Checkpoint - Checkpoint before this), I'm wondering whether i need to include another rule in the VPN tunnel cryptomap to deny all other traffic from their network to our network, or whether there's a global config I need to add a rule to.
I am moderately conversant in the command line, but because of my lack of Cisco VPN tunnel experience I did use the ASDM site-to-site VPN tunnel wizard to set the tunnel up. Not sure if there were any defaults i would have to override using that method.
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May 30, 2012
I have ASA5510. It's include security plus license.I want to traffic shape to 200Mbps. But , I checked a CCO.CCO said that a shaping limit is 154400000. "Enables traffic shaping, where the average rate argument sets the average rate of traffic in bits per second over a given fixed time period, between 64000 and 154400000. "It's mean shaping limit 154400000 ?Can I shape to 200Mbps ?
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Sep 2, 2012
I have just set up a Cisco ASA 5510. It basically only contains the settings provided in the startup wizard. It however does not let through traffic from the internal interface to wan 2 (wan 1 is not connected yet but traffic should also be able to go there).
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Apr 9, 2012
I would like to connect a second ISP link to our ASA 5510 to solely serve http traffic from our organization's employees (ie. web surfing). We currently have all employee traffic and two site-to-site VPN tunnels connecting to the internet from this firewall. I want to keep the tunnels as currently configured on the existing connection and split out http/https traffic from our staff onto a less costly link.
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Nov 7, 2012
I have an ASA5510 with 8.3 and a Cisco PIX525 (retiring). The ASA was for VPN traffic only while the PIX was for all other Internet traffic. I'm trying to move all the traffic to the ASA5510 so I used the PIX to ASA migration tool. I migrated the PIX rules over to the ASA5510, however we can't receive email and there is no external access to our internal websites. But the VPN connections remain intact and internal users can get out to the internet.
When I run Packet Tracer on my outside (incoming rules) the packets are dropped at the inside interface. What am I missing?
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May 2, 2013
We have many VPN tunnels back to our corporate office. All of these tunnels are very slow (same with our client VPN's). Our main firewall device at the corporate office is an ASA5510. We have a 100 Mb/sec Metro Ethernet internet connection here. We do not allow split-tunneling.
Our remote sites vary. We have DSL connections, cable internet connections, and other types of broadband that vary in speeds from 5 to 100 Mb/sec (up and down). The remote sites mostly have PIX 501's, but we have an ASA 5505 in one of the locations.
To take an example. On one of our remote sites that has a 100 Mb/sec connection, if I ping device to device, I'm getting ping times of about 50ms. And I'm pinging back through another 100 Mb/sec connection. If I get on a computer down there and run a speed test, I'm showing down speeds of about 1.5 Mb/sec... nowhere near 100. Some of that could be due to the lack of split tunneling, but I also suspect this could be an MTU issue.
Right now, all my MTU's are just set to the default 1500. Perhaps this is too high. I used this site to check my max: [URL]
I did a few tests from behind several of my firewalls. I pinged from a machine on one side of the tunnel to the firewall on the other end. I'm assuming the max MTU I come up with is the max MTU for the firewall I'm behind while pinging, right? The max amounts I came up with for some of my devices were as follows: Corporate ASA 5510 > 1272 (if you add the 28 byte packet header that would make it 1300) Remote PIX 501 > 1416 (if you add the 28 byte packet header that would make it 1444) Remote ASA 5505 > 1418 (if you add the 28 byte packet header that would make it 1446)
So, do I just need to set my MTU values to the appropriate amounts? I have tried changing the value, but I don't see any change in speed/performance. But I also don't know if I need to reboot the firewalls after changing the MTU. I know with Catalyst switches, you have to reload. But I didn't see any messages about needing to reboot on the ASA's/PIX's.
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Jun 25, 2012
I have a asa 5510 with 8.x software and I want to reserve (i mean RESERVE not PRIORITIZE) traffic based on protocol, like if I have a 10Mbit I want to :
- give 3 Mb for smtp
- give 5 Mb to http/s whatever
- 2 Mb for other stuff.
Of course QOS won't do that, can you do that with ASA?
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Mar 1, 2011
I ' m not able to configure the asa 5510 to allow the multicast traffic to pass through ASA.The multicast traffic have to pass from inside interface to outside interface.Can I configure the multicast traffic to pass through asa with a static nat ?
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Dec 15, 2011
I am having an ASA5510 with a CSC-SSM-10 module. I am able to block http traffic through the ASA but cannot block https traffic through it. Need to block https traffic using the CSC module.
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Oct 10, 2011
I've been trying to figure this one out for quite a while. I currently have 2 inside interfaces (data, phone) and I am moving to 3 inside interfaces (servers, workstations, phones). I have not been able to get any traffic between the interfaces. With the current setup it was not a major problem. With the new setup it will be a major problem.
Below is a sanitized version of the config.
ASA Version 8.2(1)
!
hostname BOB
[Code].....
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Jul 8, 2012
Up until recently one of my sites was able to get to a postilion subnet. Then we started receiving "host unreachable" e-mails. Posting told us SMTP traffic was not getting let in. I've compared the current config to a config that was saved before the issue popped up and found really no noticeable difference.
I tried a packet tracer trace with no luck: SiteB- Firewall# packet-tracer input outside tcp 11.2.2.36 12345 65.19.0.0 25.
Phase: 1
Type: FLOW-LOOKUP
Subtype:
Result: ALLOW
Config:
Additional Information:
Found no matching flow, creating a new flow
[code]...
Result:
input-interface: outside
input-status: up
input-line-status: up
output-interface: outside
output-status: up
output-line-status: up
Action: drop
Drop-reason: (acl-drop) Flow is denied by configured rule
Attached is a sanitized config. I'm not entirely convinced it's a firewall issue, but I need to some successful testing to prove otherwise.
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Feb 13, 2011
I am using ASA5510 and i want to know if it is possible to redirect http traffic to an internal proxy software. I explain : PC from the LAN use a internal proxy in their IE browser but some other PC doesn't use it.They are directy connected to the Internet using the Public IP from the WAN interface ( via NAT). Can we redirected this HTTP Traffic from the WAN interface to the Proxy in the LAN ?
Http Traffic will be routed like that : PC -> WAN interface -> Proxy -> WAN interface -> Internet In fact,can we create a rule saying : All http traffic which doesn"t come from the IP Proxy must be redirected toward proxy.
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May 18, 2012
I'm looking for a wireless router that can throttle per device. That is, a specific internal IP address can have a specific upload/download speed limit assigned to it that the device cannot exceed. I'm not looking to allocate bandwidth priority or block a specific protocol.
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May 16, 2011
Bought a DIR-601 for my sister and her kids for their home. Setup and works successfully. Sis asked if there is a way to give her laptop bandwith priority over the kids devices. As is, they are all sharing limited DSL bandwidth. Reading the manual, I see the QOS feature for specific types of traffic, and other limiters and schedules to shut out certain MAC addresses entirely. But wondering if this throttling feature exists in the router also.
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Jun 11, 2011
Long story short, the Westell wi-fi DSL modem router box that came with the the service craps out every couple days. I bought a new Acrtiontec GT701D to replace it and installed it in bridge mode. The Actiontec works great for a few days, much better than the verizon POS, then the bandwidth gets throttled down to a meg per second.
Do I need to tell Verizon I have a new DSL modem?
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Sep 29, 2012
I think that my ISP is throttling my bandwidth at the modem . how access full available bandwidth.When the technician installed the fibre optic line and then the modem, he showed me an amazing 77MB/s (about 600Mbps) before the modem!!But after the technician left these were the test results after the router:
1) SpeedTests.net:
averages, after router, show: UP between 56/60Mbps & DN 45/75Mbps
2)Local Server Speed Test:
average: UP 45Mpbs & DN 170Mbps
A Japanese Internet savvy guy explained that NTT East throttles the available bandwidth at the building by specific apartment/modem settings related to individual contract bundles. I signed up for the top bundle: TV, Phone and Internet connections.This is my Hardware/ software setup:
OS: Win7,
Line specs:
Line type: IEC60874-14
Connector type: SC
Core across: 9 micrometers
Clad across: 125 micrometers
ITU-TG-652
NTT East fibreoptic TV/Internet/Telephone bundle (100Mbps best effort) Hikari Next Family Type but 10Mbps is considered within parameters
Asahi ISP Internet contract
Modem:
GE-PON (WAN+Coaxial TV antenna)
"SCM-GE-PON-<H>A GV-ONU D<1>" model
Router:
RT-S300HI (4 Giga ports + 1 phone)
Router & Modem have Japanese firmware which I cannot understand and, according to the NTT East, I must rent both modem and router from them and "will not support any other modem/router setup".I could not understand if it was because of technical or contractual limits.
I have tried to test my throughput after the modem but I could not figure out where the DNS, IP, WAN etc strings of numbers should go and, in the end, I simply cannot connect to the internet from my laptop directly to the modem so I cannot perform the same speed tests after the modem.
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Mar 7, 2011
When I am connected directly to my Surfboard modem I get 3000kbps upload with wired connection.
With the BEFSR81Router conected I get 1000kbps.
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Feb 1, 2013
I have a Linksys WRT54GS router that I have installed dd-wrt on.My household is overloaded with wireless devices, and living in a home of 6, speeds for everyone seem to slow down drastically later at night when everyone is simultaneously connected and streaming media -- whether it be Netflix, YouTube, etc.. My typical speed wired to the router with no other connections is around 25 mb/s down and 1-2 mb/s up.Obviously, it's going to slow to a crawl when we have an iPad, 3 iPod touches, an iPhone, a Wii (playing Netflix) and 4 PCs all connected simultaneously.What I need to do is give my personal computer priority and throttle all other devices. So that I myself will have decent speeds while hampering all of the other household connections. I rely on those speeds for my job and that should have priority over my brother watching music videos on YouTube.
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Jun 6, 2012
ASA 5510 have two model Bun-K9 and Sec-Bun-K9 from the datasheet find out difference Port related and Redundancy. My questions is : Have any major difference for Security service between two model ?
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Dec 11, 2010
We have cisoc 2821 at one of branch and created five sub inetrfaces for different vlans.Output of Show interface shows very frequent increase in the input error count.I have changed the physical cable and switch port on the other side.But still error rate is increasing.When the traffic is less error rate is low but with high traffic it is increasing drastically.My router process is very less(4%) only.What could be possible reason. [code]
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Mar 10, 2011
We are looking to implement traffic shaping/policing primarily for P2P traffic. As natively the ASA5550 is only capable of p2p inspection if the traffic is tunneled via port 80 is the AIP-SSM the way forward? We have 2 5550s in active/active failover config. As a side note we are also looking to implement an IDS/IPS system so could this module cover all?Is this module going to provide the desired outcome or is there another module/device out there better suited for this? I would prefer to use the ASA5550s as opposed to implementing another product if only that we can make use of the investment we already made on these devices.
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Nov 27, 2012
I am testing limit bandwith using my ASA 8.2, i am trying to limit internet access for certains users , i order to save Bandwith for the important things but i can´t get any limitation
My configuration is the following, the acces list is just for my pc in order to test, and the service policy is applied to outside interface (called internet in my case) for incoming traffic
access-list Internet_mpc_1 extended permit ip host 172.16.127.70 any class-map Internet-class-TEST match access-list Internet_mpc_1 policy-map Internet-policy-web class Internet-class-TEST police output 1024000 1500
service-policy Internet-policy-web interface Internet
With show service policy i can´t see any activity on the policy , but if i do a similar configuration for inside interface outgoing traffic i can see packets allowed and dropped
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Apr 29, 2012
I have an ASA 5520 with the below config
Gi0/0: outside (Internet)
Gi0/1: inside (Internal users)
Gi0/2: DMZ (web servers, ftp, Mail etc..)
I have a SMTP relay deployed on the DMZ for mailing. I have also a mail servers installed in the internal lan,
I want to allow trafic from dmz to reach internal lan, and i want normally also allow stmp relay from dmz to reach Internet.
How can i block trafic from DMZ to reach Internal Lan (instead of smtp) if the to allow trafic from dmz to internet i must put ANY in the policy?
For allowing trafic from DMZ to reach Internet, the policy must be DMZ -----> ANY ----->Services., this policy means DMZ can implicity reach Internal Lan?
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Mar 19, 2013
We have a Cisco 2811 running ITP IOS. On that router we run the SMPP service. A client on the network connects to this service, and we need to capture the traffic for debug.
I've tried traffic-export, but I cannot see any outbound traffic.I'm guessing that this is due to the fact that the outbound SMPP traffic is not transit traffic as it is generated by the router itself.
Is there any way to capture the outbound traffic?
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Aug 4, 2011
I am trying to come up with the best way to traffic shape traffic with 3750 Me switches. the traffic will be coming from a 6504 Sup-7203b downstream and going out the wan. Core---L3---->6504--intvlan80--trunkport to--->3750Me---g/1/1/1-trunkport to---MetroE network--->int f0/0.80--branch router. The idea is to use the 3750 to traffic shape the traffic going towards the wan/branch to 500 to match the contracted rate and then to use qos on shaped rate. I tried to apply it to g1/1/1 using port based policies but it did not shape the traffic. I changed everything to IP interfaces and it worked. I need to break up the metroe into different vlans so I can bring branch offices in on different vlans.c
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Nov 20, 2011
I want to establish GRE over IPsec tunnel between four branch offices and head office. At branch offices, I have 1841 router with Advanced Security software. At head office, I have a ASA5510 7.2 as frontend with one public IP addres and 1841 router behind it in private address space. Since ASA is not supporting GRE tunnels, can ASA be endpoint for GRE over IPsec? If not, can ASA pass this tunnel to the 1841 router behind it, so 1841 would be logical tunnel endpoint? What should I pay attention? Should both ASA and every 1841 support NAT-T, or just ASA?
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Mar 14, 2011
We have to use scp on all of our network devices. It worked quite well on our routers and switches but I can't seem to get it to work for the firewalls and IPS. I enabled scp on my ASA5510 using the command "ssh scopy enable". I also ensured that a rsa key was generated and that ssh ver 2 was enabled. But I can't seem to locate the commands to actually have my firewall either copy it's configuration to a server or reach out to a server to pull down a file. We are using IOS 8.2(1).
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Mar 22, 2011
I have a customer who wants to prioritze rdp traffic throgh the firewall.I know that its port 3389, but outgoing traffic is a random port number.Any smart way to catch this traffic and get it in the LLQ ?
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