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2
votes
2answers
515 views

Odd traffic behavior of statically entered mac addresses over cisco 3750 vlans

At my workplace we use cisco switches to a implement a custom traffic delivery mechanism at layer 2. Custom software puts specific destination macs on ethernet frames and vlans segregate the traffic ...
3
votes
2answers
364 views

IP Forwarding and traffic shaping

Is there any way to forward packets from network A to network B (just like a router) without changing source IP Address (and vice versa, from network B to network A) and also enforcing traffic shaping ...
3
votes
3answers
2k views

Dynamic traffic-shaping

I have a 64MB/s internet connection and it should be divided among 17 LANs with a priority. Any computer from any LAN should have a particular share from bandwidth (For example computers from LAN1 ...
1
vote
1answer
6k views

Limiting bandwidth dynamically in Squid

In fact my problem is with users who download large files from internet in my network. I have a Squid cache/proxy server in my network that is placed between my network and the Internet. I thought ...
3
votes
3answers
2k views

Traffic Shaping using tc

I have a 1.5 Mbit/s link that i want to share with 150 users. My setup is the following: Linux box with 3 NICs eth0 - public ip eth1 - subnet A - 50 users (static ips) eth2 - subnet B - 100 users ...
4
votes
2answers
5k views

maximum number of connections Squid

I have a Squid proxy server that controls all internet traffic for my network. I need a way to stop users from downloading big files (say >50MB) in my network. I banned some famous ports (e.g. ...
0
votes
4answers
1k views

How to modify packets on the fly

I want to setup a wireless infrastructure network wherein the access point has the ability to modify certain packets on the fly. For example, the AP should be able to modify an HTTP request from a ...
0
votes
3answers
114 views

How can I restrict downloads for specific users?

I am running an Active directory and I need to specifically restrict downloads to some users while being able to surf the web... Is there a tool to do this?
1
vote
2answers
1k views

FreeBSD Traffic Shaping

I'm trying to do traffic shaping with FreeBSD, here are my rules su-3.2# ipfw show | grep pipe 08380 1514852 125523804 pipe 1 tcp from any to any dst-port 80 su-3.2# ipfw pipe 1 show 00001: 2.000 ...
2
votes
6answers
4k views

Rate limiting an internet connection per user

I've got a friend who has a "rent-by-room" property and includes internet access as part of this. However some tenants are somewhat hogging the internet (i.e. constantly downloading). I was ...
5
votes
4answers
5k views

Linux traffic shaping using TC

My internet connection goes like this: Internet <-128kbps link-> Cisco Router (Public IP) <-LAN-> Linux router/server (Public IP) <-LAN-> Regular PCs (Public IPs) The Cisco router: the ...
1
vote
3answers
390 views

Data rate mismatch packet loss

My Company uses a wide Ethernet service to our data center and have determined there is packet loss occuring from our office to servers located in the data center. We've been able to determine that ...
1
vote
5answers
2k views

How should I set up a gateway to restrict internet traffic in a college dorm?

OK, like all college IT departments, we've been battling P2P abuse and trying to figure out how to effectively mitigate it's impact on our network infrastructure.... And then we find out TODAY that ...
6
votes
4answers
1k views

Packeteer Alternative [closed]

I have been tasked with starting to monitor and restrict our companies internet access. We have considered a Squid Proxy server but have decided we need something more robust then that. We would like ...
2
votes
2answers
411 views

Giving a priority of network traffic for one application over the other; in practice (windows)

Two applications perform network i/o concurrently. For instance, Firefox and Download Accelerator. The idea is to let serve the queue of packets of Firefox prior to serving those of Download ...
0
votes
7answers
2k views

How can I block LimeWire on my corporate network?

I need to block LimeWire on my corporate network for bandwidth reasons, I just need to know what ports need to be blocked at the firewall to prevent my users from accessing this. What ports should I ...
4
votes
3answers
2k views

Are there simpler ways to do traffic shaping in linux besides tc?

I read lartc but I don't feel I need such a complicated solution for simple needs. One of such simple use cases is to limit a specific process' available bandwidth, upstream or downstream. How can I ...