The qos tag has no wiki summary.
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1answer
81 views
How can i implement QOS on internet traffic in windows
Is there any way i can implement QOS in windows 7 by any software. I have PC where i download data all day. I download all data from one site. I want that when i visit other http site then i get the ...
2
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1answer
37 views
Cisco DSCP based packet drop
On a Cisco router, when setting up a policy-map to shape traffic and drop packets based on DSCP (such as the example below), which class of packet will be dropped first: DSCP 0 or AF13? DSCP AF13 is ...
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0answers
63 views
Mikrotik's PCQ like QoS queues
I know Mikrotik's QoS has a PCQ queue that allows splitting the available bandwidth among the connected users. Say I've 1Mb line, and 2 users connected, that PCQ queue will allow 512kb each IP. If 10 ...
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0answers
51 views
Basic QoS policy for Dell 6248 switches
My cisco edge router tags all incoming packets as IP precedence 0, 3, and 5 depending on their priority. How can I add a matching QoS configuration on the switch so that packets are prioritized ...
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1answer
53 views
Throttling Throughput on a Metro Ethernet Uplink port using a policer?
I have a Juniper EX4200 that acts as a router in our remote data center. The Juniper is plugged into a 10 mbps metro ethernet link that connects to our office. The traffic over this link is mostly ...
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0answers
52 views
MasterShaper alternative
I'm looking for an alternative to MasterShaper, something possibly web-based which could allow me to manage QoS easily.
Actually MasterShaper still looks supported, but would like to understand if ...
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1answer
33 views
Avoiding QoS degradation for video streaming clients
Suppose I have two routers connected via a 1Gbit connection. A client behind router 1 streams to a client behind router 2 while other clients behind router 1 transmit data to other clients behind ...
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0answers
108 views
How do I Implement Per VLAN Rate Limiting or QOS for a Cisco 2960?
I have a 2960 that I need to limit the uplink port to 50Mbps for 3 vlans and 350Mbps for another vlan. Would the following config achieve that or is this even possible for the 2960?
class-map ...
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0answers
15 views
Port prioritization without specifying bandwidth limit
I cannot determine the real attainable bandwidth of my WAN link. It varies througout the day. So, without specifying bandwidth, is it possible to give high priority for a specific port on a Ubuntu ...
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2answers
114 views
How do you configure QoS for Skype?
On our office network (26 people), some users have complained of poor Skype call quality, particularly in the upstream direction. I wanted to ask, how do I identify Skype traffic, considering that it ...
2
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1answer
160 views
QoS on Cisco ASA 5505 by VLAN/subnet
My ASA 5505 has three VLANs. One connected to the internet called outside, one for our office called office (which connects to the corporate VPN) and one for a publicly accessible resource-centre. ...
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1answer
35 views
HTB qdisc child of another HTB qdisc drawbacks
In the HTB documentation can be read:
Note: HTB as child of another HTB is NOT the same as class under
another class within the same HTB. It is because when class in HTB can
send it will send ...
2
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1answer
148 views
Traffic shaping: tc filter attached to an HTB class?
Can I attach a tc filter to an HTB class rather than to an HTB qdisc?
For example:
tc class add dev $IF_LAN parent 1:100 classid 1:180 htb rate 19kbit ceil 2000kbit prio 4
where:
1:100 -> Is ...
1
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1answer
50 views
Traffic shaping: tc filter catch all filter
How Can I configure a "catch all" filter with tc filter?
I tested with the following code but it gave me the error: "Unknown filter "1:100", hence option "protocol" is unparsable":
tc filter add ...
3
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2answers
270 views
3 WAN and a Cisco Router - PBR, QOS, Load-Balancing
I have a cisco router with 4 ethernet interfaces, scenario is as follows :
2 x Dedicated Leased Lines (2MB and 4MB)
1 x Business Class DSL 10MB
4 3COM L2, Switches, connected to a Core Switch (3COM ...
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1answer
86 views
Whats wrong with this router config
This is a Netgear FSM7328S which we have VOIP phones hooked up to. The phones will come online for a few seconds\minutes then drop, at which point, we need to go around and manually reset all the ...
1
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1answer
81 views
A simple QoS implementation with Cisco WRT160N
We have a Cisco WRT160N wireless router which shares internet to ~5 clients. What I want to do is to make sure that every client has equal bandwidth.
The router has QoS option, but it gives priority ...
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2answers
141 views
How to determine number of open sockets? VM Resource Issues
I've got a MediaTemple DV server. I've been seeing a lot of QOS alerts for "numothersock" which is defined as:
The number of sockets other than TCP ones. Local (UNIX-domain) sockets
are used ...
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5answers
525 views
Implement QoS/Bandwidth Management or Upgrade Bandwidth?
A question that I'm faced with currently. Here's my setup:
Cisco ASA 5510
15Mbps Internet Connection @ $1350/month
The bandwidth was originally meant for 35-45 people but we've grown quite quickly ...
3
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4answers
222 views
The canonical “blocking BitTorrent” question
How can one block, or severely slow down, BitTorrent and similar peer-to-peer (P2P) services on one's small home/office network?
In searching Server Fault I wasn't able to find a question that served ...
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6answers
277 views
Hardware bandwidth limiter
Really not sure if this is the place to be asking this, but here goes..
Our company has grown exponentially in the last year. As such, our internet connection needs some serious managing and limiting ...
3
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4answers
265 views
QoS configuration for a medium ISP
What is the best Linux-based QoS platform to implement a configuration where all 256Kbps DSL clients (all belong to the same IP range) get a guaranteed speed of 200Kbps with single QoS rule?
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0answers
111 views
QoS ADSL ATM Which overhead value and how to configure correctly?
I've been experimenting with QoS in my office for a while and seen great improvements to internet access and usability for all when used. Particularly VOIP calls are dramatically better.
...
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2answers
154 views
QoS on DD-WRT Questions
I have a question about quality of service (QoS) on linux (DDWRT specifically).
Here's my setup:
Recent version of DD-WRT
120 kbytes/s up and 2mbytes/down
Traffic limited to about 80% of stated ...
2
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3answers
417 views
Making iptables recognize youtube streams and large files
I use Ubuntu server 10.04 with the stock kernel as a NAT router. I use iptables and tc to do port based traffic prioritization. It is working fine. I have given http higher priority. So my network ...
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1answer
119 views
What difference does the interface ATM0 bandwidth field on a Cisco 1417 router make?
I’m the chairman of the wiring committee for a hundred-unit condominium, and not a Cisco expert. We have a trio of Cisco Catalyst 3550 switches, connected to an old Cisco 1417 router, connected to a ...
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4answers
444 views
Bandwidth sharing via police exceed-action drop on Cisco Catalyst 3550s: anything less draconian?
I’m the chairman of the wiring committee for a hundred-unit condominium, and not a Cisco expert. We have a trio of Cisco Catalyst 3550 switches, connected to an old Cisco 1417 router, connected to a ...
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0answers
211 views
Set DSCP flag of localy generated Netflow packet on a cisco router
I have a Cisco router configured with Netflow and Service Policy (to do DSCP Marking)
The configuration look like:
interface FastEthernet0/0
ip address x.x.x.x x.x.x.x
ip route-cache flow
...
0
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1answer
289 views
Rsync over NFS with QoS: How to view real transfer speed?
We have a bandwidth limit between a Linux server and a NAS, created using 'tc' with an IP filter.
When writing to an NFS mount of the NAS, rsync claims a very high transfer speed for each file and ...
0
votes
1answer
90 views
More than 8 classes in a policy-map - Cisco 3560
It appears I am limited to 8 classes per policy-map.
Here is the error message when using the Cisco Network Assistant:
The policy "policy-name" contains more
than 8 policers, which means it ...
0
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1answer
79 views
Multiple ACL on Cisco Catalyst with QoS classes - behaviour
I would like to limit the traffic to 2 Mbit for several IP addresses.
With the following configuration, will each IP be limited to 2 Mbit or is it all IP addresses combined?
Configuration:
...
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0answers
152 views
unknown error when using TCMON/TCCOM to apply QoS DSCP marking on Windows 2003
I have a requirement to mark certain traffic originating from some Windows 2003 servers with a certain DSCP value.
Unfortunately in this situation neither marking the traffic on a router or ...
0
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1answer
112 views
How to set dscp for incoming TCP connections to my server?
I need to specify dscp settings for the incoming TCP connections to my server. What is the easiest way to do that?
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2answers
76 views
QoS for Firebird database connections - how?
Our Firebird database connection goes through a network connection that seems to imply a high latency for normal TCP connections. However, I am quite sure that the network connection supports ...
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3answers
890 views
QOS on ubuntu server
I want to run the following script on ubuntu server. eth1 is NAT interface, and eth2 is the WAN interface which has a static public ip:
TCA="tc class add dev eth2"
TFA="tc filter add dev eth2"
...
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2answers
602 views
Simple QoS policy on Cisco 877 DSL doesn't appear to do anything
I'm trying to get a fairly simple QoS policy up and running on my DSL line using a Cisco 877. My aims are fairly simple - make sure that realtime and management stuff like RTP and SSH works regardless ...
2
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2answers
169 views
how limit the number of open TCP streams from same IP to a local port?
i would like to limit the number of concurrent open TCP streams from the the same IP to the server's (local) port. Let's say 4 concurrent connections.
How can this be done with ip tables?
the ...
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1answer
289 views
Setup Cisco RVS4000 QOS for VOIP
Just switched from dedicated T1's with analog phone lines to cable modem with 10/2 uplink. We're having some VOIP call quality issues on the outgoing side when bandwidth is stressed and I need to ...
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2answers
194 views
Port based bandwidth shaping
I have an interent connection with the speed of 4000k bits up and down. I want to do port based traffic shaping on a ubuntu machine, which acts as router. eth0 is the WAN interface. This is how I ...
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3answers
146 views
Need reasonably priced router with QoS support [closed]
I dont need wireless.
I am expecting very heavy traffic, with possibly thousands of tcp connections open at one time. This would require that the router has good hardware.
I also need to limit the ...
2
votes
1answer
396 views
How to QoS NFS?
I have the following NFS-based storage setup:
Computes nodes are Linux. The NFS servers are Solaris.
A not-so-important user runs a bunch of read intensive jobs on a subset of the compute nodes. As ...
2
votes
1answer
410 views
Limit torrents via QoS on router
I have a very simple linksys router at home with basic support for QoS. We have a problem when everyone is at home that web browsing becomes unusable. I've tracked it down to too many people ...
0
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1answer
187 views
Router's QoS settings: are IP address subnet masks necessary?
Setting up my router's QoS settings, I can prioritize traffic according to a source IP address. However, alongside this, I'm also given the option of inputting that address' subnet mask. Is it ...
0
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1answer
509 views
Cisco ASA 5510 multiple time-range commands
I asked this question a while back, and have since discovered the "time-range" command in the ASA 5510. This works as expected.
Is it possible to setup 2 sets of access-list rules that take effect ...
2
votes
4answers
675 views
Is there some advanced traffic shaping frontend for linux?
If you ever worked with Mikrotik routers, you probably got used to 'simple queuing', a very simply manageable list of IP->speed rules. I guess other router OSes have something similar, for those who ...
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1answer
204 views
Implementing QoS on a gateway box that runs Fedora [closed]
I configured a small factor PC to run as my gateway/file server/backup server/etc for my apartment. I want to implement QoS based on source IP address to prevent my roommates from bogging down my ...
3
votes
1answer
443 views
Cisco ASA 5510 Time of Day Based Policing
I have a Cisco ASA 5510 setup at a boarding school. I determined that many (most?) of the students were downloading files, watching movies, etc, during the day and this was causing the academic side ...
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1answer
430 views
Mediatemple (dv) kmemsize, privvmpages, tcpsndbuf QoS alerts [closed]
I'm on a (mt) (dv) base 3.5 server and am running ~20 small sites and I keep running into memory issues:
cat /proc/user_beancounters
Version: 2.5 ...
3
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1answer
335 views
How the big guys monitor their servers?
I'm wondering what software the web scale guys are using to monitor their n arrays of servers in the server farm(s).
What does facebook, twitter, digg use? How google does it?
I'm looking for a ...
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3answers
53 views
Recommended system self test tool (what software should I use)?
We have a setup of:
~20 nodes on EC2
Several AppEngine deployments
Several small locally hosted nodes
All these machines represented 1 distributed system that does "cool things".
The problem is ...
