Cisco Switches :: ESW 520 Give Priority To IP Addresses?
May 5, 2011
I've got a LAN with private IPs for the computers, and public, static IPs for the VoIP phones. They are a Hosted VoIP provider, and I want to give priority to the public IPs with my ESW-520-48P switch. How do I implement that in this switch?
I have no roles assigned on the ports and no VLANs setup either. I had tried segregating the VLANs first, but eliminated that route. It's all VLAN 1 now in the switch again. For some reason when I implemented VLAN 100 for voice, voice stopped working on the phones, but data was still fine.
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Jan 1, 2011
Just got the DIR-655 and was wandering how to prioritize the wireless connections, that way my future mother-in-law across the street will be last. I can get the Static IP for a computer, but when I go into the router settings for QoS, I don't understand what info goes in there.
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Dec 6, 2010
I'm trying to configure QoS on my 877 router to give priority to voice packets. However, when I do a show policy-map for WAN interface, all the classes show 0 bps. When I do a show int for the WAN interface, I get the correct bandwidth util.
This 877 is meant for a home network. I'm running a Cisco 7970 phone using phone-proxy back to my HQ. I'm also shaping the traffic.
Here is my config
Class Map match-any EF (id 1)
Match ip precedence 5
Class Map match-any class-default (id 0)
Match any
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Jan 10, 2013
Model : TD-W8901G
Hardware Version : V3
Firmware Version : 3.0.1 Build 100901 Rel.23594
ISP : Ttnet
My web browsing/surfing speed decreases when I'm transferring files between other computers which are connected to this modem, and when a torrent client is downloading from 20+ seeds. I want to give the HTTP connections (port 80) the highest priority possible, so that my connection wouldn't delay when non-HTTP connections are active.The interface of the modem related to QoS settings are as below:What QoS settings should I enter (what rule(s) should I define) for giving HTTP protocol higher priority?
Information about my environment:
Modem product ID: TP-LINK TD-8901G
Modem firmware version: 3.0.1 Build 100901 Rel.23594
Modem hardware version: 3.1
My OS: Windows 7 Ultimate x64 SP1 My physical port: Enet1 (Eternet #1)
My local IP: 192.168.1.2
My torrent port: 5002
IP of the computer I'm transferring files between: 192.168.1.4
Physical port of the computer I'm transferring files between: Enet 2 (Eternet #2)
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Mar 20, 2012
I currently have the following network structure, which work fine:
The only bandwidth management configuration I did in the Cisco E1000 router is to set the QOS, giving high priority to the 5 SIP Phones mac addresses.
The problem: I purchased a Small Business Cisco router RV016 because the company keep expanding so they will add more SIP Phones and PCs. In the new router configurations, there is no way to do like I did on the E1000 I just want to be able to set high priority to the SIP Phones mac addresses.
What happens when I use the new router (RV016) is that, sometime you dial a number and the phone do a busy signal and indicate "Call failed" or sometime people call in and there is only 3 phones ringing.
I tried port forwarding.. disabling firewall.. SPI.. I tried access rule.. whatever I do doesn't fix the issue.
When I put the Cisco E1000 back everything goes well.
I'm using the latest firmware: RV0XX-v4.1.1.01-sp.bin
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Mar 6, 2012
We're testing the reference system shown in the figure below. System Description Four 2960 switches are used for transport;Equipment 1 and Equipment 2 exchange packets for synchronization;To reach synchronization Equipment 1 and 2 must exchange data with a very low jitter. 2960 Configuration details Four our test puprose, we're using 100Mbit/s ports (22 and 23) as trunk.In order to obtain minimum jitter We performed these configurations:We Enabled QoS;We Marked Synchronization packets with CoS 7 and DSCP 63;We marked other kind of traffic inserted in different ports) with CoS 0;We set "trust DSCP" on trunk ports;On the trunk ports we mapped traffic with CoS 7/DSCP 63 (and only this) on output queue 1;We enabled the expedite queue (priority-queue out). QuestionWith these settings we aim at forcing our synchronization packtes to precede other kind of traffic and go from Equipment 1 to Equipment 2 with minimum jitter.Unfortunately we experienced high jitter when both synchronization packets and other traffic are sent through the systems.
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Mar 25, 2012
I set an SG300 switche in layer 3 mode with 3 vlans.I need to give IPs to a whole vlan machines. Do the switch have a DHCP server per vlan? How to configure this?
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Mar 7, 2013
Can LMS 4.1 give a report for port capacity in stack switches? We are starting to have issues where our techs are going out and plugging devices into switches and the switches are getting full. We would like to be able to see how many ports are left in each switch.
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Mar 17, 2013
ping 10.0.0.1 -t give me destination host unreachable in the same time when i wright ping 192.168.1.1 -t it give me the correct reply but the net doesnt work
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Jan 1, 2012
new instal will not give me page to enter password
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Nov 15, 2011
We sold an ESW 540 switch to a 3COM customer that is replacing old equipment. This replacement will be on different faces so we have to interconnect some 3COM switches to the Cisco equipment. We are installing rigth now and this two situations:
Virtual machines can´t get IP addresses via DHCP (using a different MAC address) when connected to the Cisco switch. Physical machines receive IP addresses from DHCP without problem. This situation never happened with 3COM switches.When we interconect the Cisco Switch to the 3COM switches (not using uplink ports) the connection never goes up. Remembering that 3COM switches are old we fixed the speed to 100 Mbps Full Duplex but it didn't work.
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Dec 12, 2011
Is there a way to set static ip addresses to each port on at sf 300-08?
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Sep 18, 2011
I have 192.168.2.1 and 10.10.0.1But i cant connect to 10.10.0.1 network from 192.168.2.1 network. What should I do to connect that both are same network I have a Linksys Router.
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Aug 3, 2011
I am having 2 Pc's and 1 ISP. I am havng a DSl modem cum router. Is it possible to connect two computers with 2 different ip addresses from same ISP? My ip address is a static one btw..
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Nov 20, 2012
I have recently purchased an SG-300-52 Managed Switch. (This is the first managed switch I have used, so I am trying to figure out what I can do with it and how it works.)
I would like to know how to find out the IP address of each computer connected to each port of the switch. Is this possible and if so how can I do this from the browser interface?
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May 17, 2013
I upgraded my SG500 switch firmware to 1.3.0.59, since there is a new functionality DHCP server v.4 well I must say I came accross the issue I cannot solve. DHCP server assign dynamic address - no hassles. troubles start with static IP hosts.I defined a couple of hosts with static address within the correct subnet. I tried with hardware address and client identifiers. no luck. my switch does not assign the IP address I assigned to the suitable mac address. to define it I use both CLI & Web.
ip dhcp pool host HP-Elliteaddress 10.10.11.7 255.255.255.0 client-identifier 01:d8:d3:85:cf:09:72client-name HP-Ellitedefault-router 10.10.11.1exit
ip dhcp pool host VAIO-Zaddress 10.10.14.108 255.255.255.0 hardware-address 54:53:ed:1c:a1:46
default-router 10.10.14.1exit
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Oct 8, 2012
In setup for old RV042 (V1), when updating / adding Mac addresses, the table is always sorted by IP addresses. But in the new oneRV042 (V3) I have, even with latest firmware 4.2.1.02 the list is random, thereby increasing the chance of user entering DUPLICATE IP addr with diff Mac addr. That will result in conflict.If the firmware sorts the DHCP entries by ip addresses, user would be able to catch duplicate ip errors even if the system does not flag the errors. All Cisco smart engineers can you all get the dhcp entries SORT by ip addresses.
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Feb 11, 2013
I just wonder if there is simply way on Cisco 800 to set bandwidth priority for internal IP address. Basically I have server and would like to make sure, whatever comes to it or goes out has the highest priority and users won’t kill bandwidth for the server connection.
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Oct 25, 2012
I am fairly new to Cisco, but am trying to configure a 1921 router to give higher priority to SIP/VoIP traffic (Port 5060) than everything else.The connection is only 4Mb and is getting hit hard by video streaming, I don't want to block this, just make a lower priority.Any ideas where I am going wrong?My current config is as below.The IP addresses have been changed for security reasons, but in reality are both in the same range, i.e. are both external IPs, so I am not sure if this is causing the problem. Do I need NAT for QoS to work?
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Jun 8, 2012
i've got two quastions about WLC's:
1)How or where i could read about access point join WLC controller in multicontroller network?
2)Is it possible and if yes how i could made such scenario: I've got existing netwirk with two wlc 4402, i want to join third wlc 5508 and new access points, but i need that new access point joins to wlc 5508 first,and if all licenses used,jins to wlc 4402 second. Or where i could read about it?
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Feb 12, 2013
When I ping my video streaming host's IP address (the IP that they gave me where I can view my IP web camera's video stream), I get anywhere from 0% to 8% packet loss at various times of the day. They're claiming that there's no problem, that this is because this is a router and it's dropping ping packets due to "ping priority giving preference to more important network traffic."
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Feb 27, 2013
New to the forum and not much Cisco IOS experience let alone on the security side of things. I know how to navigate the IOS and can do basic switching and routing just fine. My company currently has a DMVPN setup w/ about 10 tunnels going back to the hub. We have 4 more sites they want me to setup and I keep getting stuck at the crypto maps. I have been reading about VPN's, DMVPN's , etc. for days now but can't find any examples of how we are configured. The priority of our crypto maps start at 65536 and go up. Default max is 65335 from what I have read, and I cannot assign a priority that high statically. [code]
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Jun 13, 2013
I have a known working configuration with many sites and one operative center that receives all communications.The connection OF THE OLD SITE is here detailed:Now I need to integrate another site. The difference between the old site and the new site is the following:
-old site communicates with the operative center by means of the FE0/1 or by means of an HWIC4T serial interface.
old site automatically switches between the tunnel on the ethernet interface (FE0/1) and the serial channel giving priority to the ethernet tunnel.
-new site will communicate with the operative center by means of the FE0/1 or by means of a transceiver device connected on the FE0/0.
-both new site and old site have a LAN on the FE0/0 where data is generated and sent to the router to be dispached to the best available channel.
The connection of THE NEW SITE is here detailed: the old site was configured this way: [code]
the first line means that everything starting from the client directed to 192.169.0.2 it will be sent on the tunnel1.the second line tries to route the same packets on serial0/0/0 with low priority.On the New site i did the same:
i created the tunnel form my cisco 2811 to the operative center using the FE0/1, then i added the following:ip route 192.169.0.2 255.255.255.255 Tunnel1
This works as expected routing the packets to the operative center on the FE0/1.Now I miss the second part: route packets on the FE0/0 to the ip address 192.168.1.31 WITH LOW PRIORITY like i did on the old site.
I did some tries but no one solves. Which is, in your opinion, the right command to add on the cisco2811 in order to get the equivalent of what i did on the old site ( ip route 192.169.0.2 255.255.255.255 Serial0/0/0 10 ) ?
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Apr 24, 2012
Our company had been buying Cisco 1841 routers for years and they have served us well. The 1841 was discontinued and instead we have now purchased a Cisco 1921. It is brand new, running "Version 15.0(1r)M15" of IOS ("usbflash0:c1900-universalk9-mz.SPA.151-4.M4.bin" file).
On our older Cisco 1841 routers, we would always prioritize certain TCP and UDP packets using the priority-list command. However, I have suddenly discovered that priority-list is not available on this brand new router. (?) I am unsure why. I did some reading and according to the document [URL], and priority-group are unsupported in Cisco IOS 15.
Later version of a product isn't as fully-featured as the earlier version. I want to prioritize the following type of network traffic.
UDP ports 8000 through 8063, 2427, 2727, 9300, 9301
TCP port 35300, 60001 through 60010, 2065, 33333, 3065
giving them a higher priority than the rest of other packets. This is necessary for our vendor's VoIP implementation. These packets should be "high" priority; everything else can be "medium."
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Oct 17, 2012
Is there any way I can tell if an network priority is setup on the router? The last week or so the internet has been unusually slow sometimes, and not slow at all other. I don't have a good relationship with my roommate (network administrator) and I feel she may have put a network priority on the router for her and or her boyfriends computer/s. Is there any way to tell? Is there a particular way in which the internet behaves when a priority is set? I just don't want to pay for the internet if it is not going to work most of the time.
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Jan 22, 2012
Is there a way to assign priority on a wireless network? For example, on my home network there are about 4 computers connected, 5 cell phones connected, an Xbox a Wii etc etc. Is there a way to set which device takes priority over the others?
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Aug 30, 2012
How to set a priority signal in single SSD ID in wifi ?
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Oct 14, 2012
I have made a firewall rule that accepts FTP from WAN2 outside to the inside private LAN with IP address specified.But this didn't work.When I added in the forward rules that FTP had to be forwarded to this IP address it worked.I have done some testing but it seems that the firewall rules do not have any priority on the forward rule.If I disable the forward rule i cannot connect with ftp even with a firewall rule made.
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Jan 24, 2012
In QoS, voice traffic is usually marked EF and placed in a priority queue. But interactive video traffic, like VTC, should also receive priority treatment. Can I put both classes in their own priority queues in the same policy map? I thought there could only be one LLQ, but I'm not sure about it. An example of the config I'm thinking of is below. Voice would be marked EF, VTC would be marked AF41.
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May 2, 2013
I need to trust and prioritize voip traffic on my 6509 core
at the moment I have mls qos trust dscp on the interface
Is this enough? or do I need to enable the priority queue? how do i do this ? as it doesnt accept the priority queue out command like a normal switch
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Feb 15, 2013
I have a new Router Cisco RV180W and dont know wich priority must I set in the High, Medium, Low option of the QOS in order to work fine with the Ip Voice device.
The default values are 61, 31 y 10 but in a net with 12 PCs.I think that configuring 61 for Voice Ip and only 31 to the rest of the net is a too low value. This is defining 2 virtual Lans.How can I fine the criteria to configure these values of priorities ????
In the previous Router (a Cisco WR210) the only thing that was configured was that the Voice Ip device was connected in the Lan Port number 2 with priority high.
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Dec 21, 2010
We have three locations, Seattle, LA and NJ. All the users need to go through the proxy server in NJ if they need to access to internet. We use the port 3128 on the proxy server for accessing the internet. We implement the QoS on the WAN for those three locations. For the internet acces, we configure the port 3128 as the NBAR and classify it as the lower priority.
The issue is...we want to have the users access to the URL as high priority, and the other web sites are still set as the lower priority. Are there any ways to accomodate it?
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Feb 28, 2011
if i give gateway of one as ip address of another and vice versa? both are directly connected and u cant use hub, switch,router...
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