Cisco Firewall :: ASA 5505 Configure QoS And VOIP With SIP Trunking?
Sep 16, 2012
[URL] I am not savy configuring ASAs at all and I can't get it to work. We are switching to a SIP trunk phone system and I am in charge of setting up the ASA to not only make it work but also make sure that there's packet priority or QoS.I've never configured something like this and I was giving another set of instructions to make sure that this is working:
[URL]
Configuration:
My configuration is very basic:
3 interfaces - Outside/Inside/Guest
ASA Version: 7.2(3)
ASDM Version 5.2(3)
Firewall Mode: Routed
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Solution: When I tried following the instructions on brian-kayser's blog I get an error when I'm sending the following command:
shape average
^Â Invalid marker
service-policy PRIORITY-POLICY
^ Incomplete commandÂ
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I think it's because my version of ASA doesn't have this functionality but I don't know.
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May 5, 2013
I'm working on setting up a PBX server in our office, and I'm having trouble getting a port opened for SIP on my ASA 5505.I created static NAT rule for SIP traffic from internal server to the outside IP address.I created access rules on outside interface to forward port 5060 to internal PBX server (192.168.1.8)I also disabled sip packet inspection on the ASA.I'm still receiving a message from the PBX that the firewall is configured incorrectly.Â
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[code]....
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Oct 30, 2011
Having an issue getting my DMZ vlan working. Running my ASA5505 and i have configured e0/2 for DMZ w/ VLAN ID 3. Connected to my 2716 on port2.Inside e0/1 w/ VLAN ID 1. Connected to my 2716 on port1.
I am trying to get my DMZ Vlan to ports3&4 (LAG1) but when i assign the LAG group to PVID 3 i lose connectivity on VLAN1. I want to send both VLANs to that host because the teamed adaptor is used for Hyper-v Network Switch.
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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
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For instance:
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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
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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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Mar 19, 2013
I am trying to configure an IPSEC vpn on an ASA5505 I setup an SSL vpn and it works fine, I can browse to the https: address log in and connnect to servers However when I try to setup the ipsec client access vpn it will not connect and I am getting the errors below I used the wizard for the initial configuration Looks like the inital IKE is being blocked or dropped?
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%ASA-7-710005: UDP request discarded from my external IP/35781 to external:ASA-external/500
%ASA-7-710005: UDP request discarded from my external IP/35781 to external:ASA-external/137
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Sep 14, 2011
I have a firewall Cisco ASA 5505, and currently it is a command line firewall. I want to configure ASDM so that i can use it as a GUI Web Base interface.I really don't know what to do. How can I configure ASDM on my firewall.
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Nov 15, 2011
I want to configure my Cisco asa 5505 as a dns server, so that when i configure any of my network systems ip address and use my firewall as a default gateway and dns ip, the system should be able to browse internet.
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Mar 20, 2012
Got new ASA5550, code 8.2.2 in flash, can't configure "nameif" or "ip address" on the interfaces: [code] These are all the options that I get! Another weird thing I noticed is "<system>" string in "show ver" top line: [code]
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Mar 18, 2012
I am absolutely new in the enterprise firewall world but I would like to start learning how to configure ASA 5505 and 5510. I did some research myself and I found that the material or the topic itself is a huge adventure (lots to read and understand). My company uses IOS versions until 8.2 due to the differences in the NAT-ting rules with 8.3 and 8.4.
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Mar 25, 2013
I have a test ASA 5505 at home. The DHCP IP address in my real home firewall is 192.168.1.x and as you are aware the default ip address in ASA is the same. how to configure the ASA.
In the link below there is an instruction, it seems it is working for everybody except me. I followed the instruction up and the only change was assigning the IP address, which I chose something other than 192.168.1.x But after the step of creating NAT, I do not have access to the internet. [URL] Also I followed the link below, but the revision of the ASDM in the instruction does not match with mine, so I was not lucky to figure the device.[URL]
1- How can I configure the ASA 5505 with an IP address different than 192.168.1.x (at home = no incoming static IP address = DHCP on subnet 192.168.1.x for the incoming internet) I have installed ASDM 6.3 on my laptop (From work) but when I connect to the ASA it wants to install ASDM 5.7.I tried to connect to the device through ASDM 6.3 and input the IP address 192.168.1.1It takes for ever and it does not connect to the device
2- How can I connect to the device by ASDM 6.3 or any ASDM with higher version than the original of the device?
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Dec 23, 2011
I want to configure multiple DHCP pool on ASA. that I create like
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int e0/2
no shut
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interface Ethernet0/2.10vlan 10nameif inside10security-level 100ip address 192.168.10.1 255.255.255.0
interface Ethernet0/2.20vlan 20Â Â Â Â Â Â nameif inside20 security-level 100ip address 192.168.20.1 255.255.255.0
dhcpd address 192.168.10.10-192.168.10.254 inside10dhcpd dns x.x.x.x y.y.y.y interface inside10dhcpd enable inside10
dhcpd address 192.168.20.10-192.168.20.254 inside20dhcpd dns h.h.h.h z.z.z.z interface inside20dhcpd enable inside20
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I have following query...
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1. int e0/2 work as trunk port, is it? any special confiduration require other than dot1Q?
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2. How can I configure inside interface? is it like,
   access-group inside_access_in_1 in interface inside10
   access-group inside_access_in_1 in interface inside10
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3. How can I configure static NAT ?
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4. How can i configured inside route?
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5. How can I configured default NATing?
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6. On which interface I access ASA? currently using inside interface.
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May 20, 2012
I have ASA 5505 with 8.4(2)8 software for one of my branch offices and I can't configure port forwarding.It seems to be very simple, but it's not working. I use my ASA as a gateway to the internet for users in office and for site-to-site IPSec VPN to HQ. I have pppoe-enabled outside interface, but ISP gives me static routable ip address. I have server behind my firewall and I should "publish" to the WAN some of its' tcp and udp ports, but I see that no packets forwarded through ASA. I tried to configure PAT as stated in official "Cisco Security Appliance Configuration Guide" through CLI and ASDM.[code]
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Nov 18, 2012
I have a closed network that is not connnected to the internet, just other sites that we want to communicate with. We have a cisco router connected to the outside interface on an ASA5505 and a cisco router connected to the inside interface on the same ASA5505. I have an inside interface that connects our management LAN, five separate DMZ interfaces with a separate LAN (VLAN) on each DMZ interface and the outside interface that connects to the other sites. Data is not allowed to mingle between the five DMZ's.Â
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Alll connections to the other separate nodes are handled with the router on the external interface. IPSEC GRE tunnels have been established between all sites and BGP routing has been verified. Pings are good between inside, dmz and external interfaces and between the DMZ's and the other sites, to include hosts on our local networks and hosts at the remote sites. Inter and intra traffic is enabled.
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When a remote site attempts an https connection, the initial ACK handshake makes it through the ASA5505, but the return SYN/ACK is being knocked down and I don't understand why (it is not because of ACL's, they are any any at this point).
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Why the return SYN/ACK to the remote site isn't getting through the ASA5505 outbound. Will probably have the same issue with FTP, but right now, just trying to solve one problem at a time.
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ASA5505 is in routed mode, not looking to NAT since the IP addresses in the DMZ need to be reached by their real IP address.
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Nov 1, 2012
I am trying to configure an ASA 5505 with a username and password. I set all the pass words: [code]
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When I reload the device it prompts me for the username, then the password and it fails and just asks for the username again. I have even tried to delete the username / password combo but it still prompts me for it. When I do password recovery the confreg is 0x00000001.
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Jun 10, 2011
I am setting up a Cisco ASA 5505 first time for My organisation, I usually setup Cisco Router, I have 10 Static IP, & Have 6 Server (S-1, S-2, S-3, S-4, S-5, S-6), Traffic Should be pass through the ASA and is distributed to the destination server that is specified in the packet. LAN servers can be separated into discrete networks for security. For example, a private LAN for internal traffic accessed only via remote dial-in VPN sessions and Want to Configure DMZ for Server (S-4, S-5, S-6) that allows public web traffic.
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I have Attached My Network Diagram I have some question,
1:- Can we Configure Multiple Static IP On ASA 5505 ?
2:- If Diagram is wrong what change need to be done ?
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Nov 20, 2011
I am now going to configure IPSec VPN connection for Cisco ASA 5505 (Version 8.4)
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Nov 30, 2011
ASA 5505 and DMZ, I have a Base License.
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What do I need to do for access inside network to DMZ?
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I successfully configure, internet Access for DZM and inside network, web server can be accessed from internet, but I have problem to configure communication from inside network to DMZ.
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Apr 30, 2013
I'm trying to support a friend. They just switched to TWC Business Class from Megapath. They have a Cisco 5505 ASA and are trying to configure it to work with the new TimeWarner cable modem. But we can't get PCs behind the firewall out to the Internet.
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We think it should be a pretty simple config. They have the ASA connected directly to the modem. The modem is running DHCP, and we''ve configured the ASA to get its address via DHCP. We have a Windows server behind the firewall; it can't get out the Internet either. It's set up to be a DHCP server and is giving IP addresses to the PCs on the network.
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Laptops connected via wifi to a wireless router attached to the modem are able to connect to the internet, thus we know the modem is up and running fine.
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Here's our running config:
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ASA Version 8.4(1)!hostname ciscoasadomain-name opanslab.comenable password yYME2neTGgA0S1./ encryptedpasswd yYME2neTGgA0S1./ encryptednames!interface Vlan1nameif insidesecurity-level 100ip address
[Code].....
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Dec 23, 2011
Currently I have an ASA setup as a Firewall with 1 outside interface and 2 inside interfaces. Initially, the Guest interface was setup to receive DHCP from the ASA and everything was working. I'm adding router and a server for the guest interface and what I'm trying to accomplish now is the following: ASA 5505 > Airport Extreme with a public static IP (69.xx.xx.6), handling DHCP and NAT > Mac Server as DNS Server.Right now, when I connect to my Airport Extreme with any computer, I don't have internet. I don't understand what's wrong. My DNS Server has a reserved IP address: 192.168.226.2 and it's pointing to itself and forwarding the ISP DNS servers, the Airport Extreme is handling the DNS Server IP and the ISP DNS Server IP but I can't connect to the internet from the server. [code]
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May 9, 2012
We've just started with the ASA 5505. We do run a DHCP server on the inside interface, so it is in the same VLAN 1 as all of the clients. However, we cannot get it to work.We can't use DHCP Relay, as the ASA 5505 only allows to relay to DHCP servers in a different subnet.Or do we have to move the DHCP server to a different subnet. If so, how would we configure that scenario?
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Aug 30, 2011
I'm trying to learn Cisco ASA IOS commands, I have bought myself a 5505 ASA for my home network and plan to implement it. How best to configure it.
I have attached a diagram of how I want my network to look. The internet connection is via the Virgin Media cable modem.
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Jan 8, 2012
I have a cisco RV220W router used in a home environment. Recently I purchased a Siemens Gigaset A 580 IP phone. It works OK so far but I would like to optimize the configuration for VoIP traffic and apply QoS for VoIP on this router. Any guide with the recommended configuration and preferred settings of the same? I have not used QoS previously
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Sep 26, 2012
I am tasked to connect my VoIP phones from remote site to my corp site. Basically all remote phones will be registering into a VoIP server in corp site. I have a site to site vpn tunnel established already from remote site to corp site. My hardware includes the following:
-Cisco ASA 5505
-Cisco small business POE switch SF300 24p
-Avaya 2015p VoIP phones
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Successfully Register remote VoIP phones to corporate VoIP server 10.30.18.55.I have already configured vlan1 10.30.15.0/24(inside lan) and vlan2 public int(outside Internet) which my dmz only allows 2 per my basic asa licensing.When I connect my phones and register it states "subnet conflict" unable to register.
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Mar 5, 2012
We have a RV082 configured with two ISP Wan connections. We recently implemented a VOIP phone system (SIP) (192.168.1.50) that is being used in appliance mode on our network. We currently have two WAN connections Load Balanced. My goal is to configure all my VOIP traffic to go out through the 1st ISP and the rest of the data through ISP #2. is this possible to achieve using the RV082? We are using a Skype SIP Trunk connection.
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Mar 13, 2012
I'm looking to configure the QOS for VOIP on my network.I have a switch SG300 and several no Cisco VOIP phone. What are the parameters to be taken to implement the QOS?
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What is the procedure for installing the QOS? I need to create a VLAN for the data and one for VOIP?I read in the quick start guide that there is auto-QOS for VOIP?This can be done from the GUI? what are the options to put?
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Oct 24, 2011
I have a rather large network with multiple VLANs and routing. Here's the layout:
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5540 subinterface = gi0/2.18 = 10.16.18.1/24 TRUNKED to a 2960
2960 has an interface set to VLAN 18 (no IP) goes to a Cisco 4507 with an int. set to VLAN 18 (no IP)
4507 then has a trunk to a Cisco 7206
7206 then trunks to a Cisco 3845
3845 trunks to a 3750 (single)
3750 (single) trunks to a 3750 Stack
3750 Stack has int. set to VLAN 18 that goes to a 3750(lab) w/ int set to VLAN 18 w/ IP 10.16.18.251/24, VLAN502 = 10.202.255.1/30,
VLAN510 = 10.203.255.1/30
3750(lab) then has a trunk that connects to ASA 5510 w/ subinterfaces:Â e0/1.18 = 10.16.18.253/24, e0/1.510 = 10.203.255.2/30, e0/1.502 = 10.202.255.2/30
ASA5510 then goes to Internet
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Any trunks are set to allow all VLANs. From the 2960 to the 3750 stack it's obviously all Layer 2 with trunking.
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Issue:If I sit at the 5540, I can ping 10.16.18.251 and .253 with no problems. I can also ping 10.203.255.1 with no problems. Problem is that I cannot get to the other subinterfaces on the 5510 for VLANs 502 and 510. How do I ensure that my trunk is set up right? I have a route in the 5540 pointing to the 10.203 and 10.202 using the 10.16.18.251 address. It seems like a traceroute gets to the 10.16.18.251 address but then it stops. What route should be on the 5510 to make sure it gets back? The default route on the 5510 points to the Outside. I think it's something to do with the trunk that's just something I don't understand yet.Â
5510:
show int ip bri:
Ethernet0/1.18            10.16.18.253  YES manual up                   up
Ethernet0/1.502           10.202.255.2  YES manual up                   up
Ethernet0/1.510           10.203.255.2  YES manual up                   up
[code]....
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Nov 20, 2012
Create a port channel out of interface 3 and 4 of ASAConfigure 2 sub-interfaces in those Po interface (my inside vlan and the dmz)At the 4948, configure a trunked port channel out of a single interface (funny ), then do the same in the second 4948Connect ASA port 3 to the 1st 4948's single-interfaced port channel, ASA port 4 connects the same on the 2nd 4948.
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May 19, 2011
Application is that need to configure the VOIPÂ with the existing Frame relay network ,where VOFRÂ command is not shown in the router when type yhe command router config#dial-peer voice 123 need vofr On the 3945 router where in the router it is not accepting the above command,
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Dec 13, 2010
I'm trying to configure a Site-to-Site VPN in a Cisco ASA 5505 firewall which is behind an ISP router (Cisco 800 Series) configured in routing mode (not bridging) and with a static nat of all the ports to the firewall (avoiding bridging mode of the router). [code]
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Nov 20, 2011
We have to set up voip for our network(for 50 phones not he cisco phones).
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I need to just the route the voip traffic to gateway address of telephonic company(1.1.5.7)Â where they provide us the connectivity for the setination call.
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What sort of protocols should i have to enable in pix i saw the concepts like sip, h323, ras, skinny.
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We are using only voip for asa and no data or other traffic should be allowed.
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inside adrees: 10.10.10.0/24 for all voip phones
outside:121.21.22.1
telephoneic gateway: 1.1.5.7
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May 17, 2013
im changing the firewall 5510 to 5515, with ASA5510 the incoming and outgoing calls work perfectly, but when i active the 5515 the outgoing calls doesnt work, only the incoming calls work.
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As you see on the topology,the flow of calls happens this way:
In the outgoing calls the phone forward the call to the PABX(172.17.3.4), and the PABX forward the call through the ISP LINK to SIP SERVER (10.140.131.208). The incoming calls occur in the reverse path.
ASA 5510 config:
ASA Version 7.0(8)
name 172.17.3.4 PABX
dns-guard
!
!
interface Ethernet0/1
[Code]...
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Jan 8, 2012
Im changing the firewall 5510 to 5515, with ASA5510 the incoming and outgoing calls work perfectly, but when i active the 5515 the outgoing calls doesnt work, only the incoming calls work.
As you see on the topology,the flow of calls happens this way: In the outgoing calls the phone forward the call to the PABX(172.17.3.4), and the PABX forward the call through the ISP LINK to SIP SERVER (10.140.131.208). The incoming calls occur in the reverse path.
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ASA 5510 config:
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ASA Version 7.0(8)
name 172.17.3.4 PABX
dns-guard
!
!
interface Ethernet0/1
description ***ISP SIP Network***
[Code]....
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Apr 20, 2011
We are using an ASA 5510 as our gateway to our ISP. All of our VOIP traffic is sent to an Internet SIP provider for our outbound calls. Our pipe to the Internet is 100Mbps metro ethernet. I am trying to find a way to provide QoS for this traffic so that I can reserve 20Mbps of the available 100Mbps pipe for VOIP traffic.From what I've been able to figure out so far I would use a combination of priority queues and traffic policing. However, it seems that this is nearly impossible to accomplish because I cannot control the remote device that my ASA connects to because it is the ISP device. I could police traffic on the inside interface of the ASA. However, lets say that a client on our network starts downloading from an Internet host and the downloaded traffic saturates my Internet connection. I could police this incoming (from the Internet) traffic on my outside interface of the firewall. This would drop the packets but the bandwidth would have already been used by the time it reaches my firewall.Would the fact that I'm policing incoming traffic on my outside interface cause the sender to throttle down their transmit rate because packets are being dropped? Would this achieve my goal of guaranteeing available bandwidth for my VOIP traffic by not allowing other traffic to saturate the link?Most documents I find regarding this topic describe providing QoS for VOIP traffic traversing a VPN connection in which case you could configure both end devices.
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