Cisco Switches - Traffic Shaping Required
Jun 9, 2008
I was checking out the switch products from Cisco and I noticed that there is quite a few products that been discounted, and I am trying to find correct switches that does traffic shaping on port for inbound and outbound.
I preferred they are 48 ports with 2 Gigabit uplinks, with Enterprise L3 image and it is little difficult to find the correct older models that is being sold on ebay to pick up the correct one.
I am also open to Extreme and Foundry switches as well, but I rather like to stick to one type for deployment, since I am working on the plan to deploy 2 core switches which all edge switches will hook into it.
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Jun 19, 2007
Is there such a switch?
Do cisco do a 24 port 1000Mbs switch that you can control each port speed through a web based software?
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Dec 11, 2007
I've got a LAN setup that share an internet connection with some friend but unfortunately we have a "Limit" we can download per day.
One of my friend's seems to enjoy downloading movies day in day out till we reach our cap.
Now I know ingress shaping doesn't change the fact that we are gonna reach our cap earlier but it might discourage him for downloading as much.
how can I shape his traffic to say 50KB/s both in and out for just an IP (so it doesn't affect the rest of us ?)
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Feb 20, 2007
I just got a quote from a colocation provider but they said their standard policy was to customise traffic shaping for each customer..
The term "traffic shaping" on a server screams "bad idea" to me..
Being honest, my knowledge of shaping is limited.. but I don't want traffic shaping on my cable connection nevermind my server.
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Aug 9, 2009
we are a small shop...
Not looking to buy another switch but we have a crapshoot of switches around. Dell 5448,
HP 2910 and a Cisco 3560.
I'd like to keep the the Cisco back in HQ stock since it's a POE switch.
We are colocating just 1 SAN intially. Max of maybe 7-8 Servers total in the future. Not alot of bandwidth and doing L2 traffic only. Any issues with either the Dell or HP in the colo environment from a production standpoint. We have used a couple of Procurves in our environment, and the dell switches were freebies that were part of our last order.
Basically, it would look like this
ASA5510 serving as main headed VPN
2 Branch Offices connecting to it
One L2 Switch. 2 - 3 Seperate Vlans with a trunk port back out to the ASA5510
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Oct 16, 2009
I am just in the process of setting up a new rack for some lower end clients.
At present we have both a local (National) and international traffic split. We need to offer our clients a 100/100 port speed on the national route/bgp/ip range but only a set amount on the international range. The port speed/throughput for international traffic would need to be as low as 128k/128k.
I would also like to have the flexibility to impose data limits on the international link as apposed to bandwidth shaping.
I have a spare Cisco 3750G-48TS I was hoping to utilize for the main switch on this rack (SFP Ports for multiple uplinks, National/International)
Hardware/Server wise what will be the easiest way to achieve this?
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Aug 8, 2009
Can this switch do traffic shaping? Can this be done using Cisco Network Assistant? I dont know any CLI.
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Apr 17, 2008
Is there a way to use traffic shaping in Linux? Like limit traffic to certain port, set priorities etc. Like ex: I'd want to set FTP to use max of 1mbps, http max of 80mbps, and set total to 90mbps.
Also is there ways to setup dos protection within linux? What I'd basically want is if it detects a dos, it either turns off the server, or does some other action that would cut it off either until I take action or for a set amount of time. Think turning off would be only solution since if I just drop packets I'd still be paying for that traffic.
Basically I want to ensure that if I get a DoS I'm not stuck paying insane bandwidth overcharges. I rather have a few days of downtime to deal with, then a few thousand dollars to pay and me having to declare bankruptcy and sell property etc...
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Jun 28, 2009
Currently we are using D-link 3026 and 3028 switches (Layer 2 switch) for our bandwidth shaping and mrtg graph.
But it seems unstable, etc sometime it might congest due to unknown reason, even though the particular server is not fully utilize their bandwidth yet.
So we decide to plug in our Linksys SFE2000 (Layer 3 switch) and everything goes smooth once again. But, we never really setup the linksys switch yet.
Can anyone recommend us what kind of switches we should use, is the best choice for bandwidth shaping / QOS for the amount of less than $ 600?
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Dec 16, 2007
My host has helped me to install a switch. However, I don't know how to configure using the command line. Could anyone help me?
I need to be able to connect to my Cisco switch using Cisco Network Assistant. If you know the command sequence,
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Nov 23, 2007
I am building an advanced network in a big building which will be used by desktop/printers and backend thin servers, which requires high-available network and consume high bandwidth all this thru categorie 6 cables (RJ-45).
The idea is to build different path with optical fibers and to connect each part of the building with it's own optical fiber to the server room (where we run Microsoft company network servers, SAN, backup, and external access) using a 10/100/1000 switch and optical fiber for long distance.
So I though about using switches which have at least :
48 ports 10/100/1000 (auto negociation)
4 ports 10 gE
for now I will not use many features but with time I could create some trunk, and use some advanced *routing* (switching) features.
As the budget is also not unlimited, I thought about buying :
Edge switch :
§ HP ProCurve 2900-48G J9050A [url]
with X2 extension HP ProCurve 10-GbE X2-SC SR Optic J8436A [url]
Core switch :
§ HP ProCurve 6400cl J8433A [url]
As I am studying any network vendor (but not such as 3com, netgear, dlink, linksys), but more such as HP, Extreme, Cisco, Foundry I am opended to your model ideas for me needs!
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Apr 1, 2007
I am in the market for some new switches and I was going to buy some HP stuff, but a friend of mine recommended 3com....their prices are dirt cheap....any experience with them?
Does anyone have any words to compare and contrast the two based on experience?
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Jul 2, 2008
I just stumbled across mention of bonding two NICs to serve as one. (E.g., 100Mbps NIC + 100Mbps NIC = 'virtual' 200 Mbps NIC, as far as everything on the network is concerned.)
I'd been familiar with the concept for quite some time, but I guess I never really thought it through until just now...
How does this work with switches? It seems to me that the answer should be a flat, "It doesn't." But it seems that it does work. How does the switch merrily map an IP to two different ports? Do the two NICs maintain their MACs? (Wouldn't two MACs to one IP cause even more problems?)
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Sep 12, 2007
to buy some more Layer 3 switches but I'd like to get ipv6 support. I like the Cisco 3550 but it does not support ipv6.
Can someone recommend a switch in the same price range (less than $1400 for 48 ports) that supports ipv6? This will be used for connecting to customer servers.
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Dec 25, 2007
where I can get the best price for HP switches? Looking for 1x2848 and 1x2650
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Jun 28, 2008
basic layer2 10G, most everything out there has more advanced L3 features which is fine but aren't nessecary, they maybe used at some point in the future.
Currently looking at the cisco 4900M as it appears to be very cost effective at ~$10k/ for the chassis w/8 port 10gb base, + xenpack cost and it isn't a very costly piece of gear.
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Apr 29, 2008
Does anyone use Dell PowerConnect Switches?
If so please list what model number you use and your thoughts as compared to Cisco switches.
Once again I would like model numbers you are using.
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Feb 22, 2007
We're ready to setup 3-4 42U racks for servers and are in need of choosing Ethernet switches. What do you guys use and why?
I'm looked at Cisco switches, but lost in their product forest. I'm looked at Express 500, 2960 and 3750-E models. Is there any more difference (in exception of stacking, cli and hot-swap fan/psu) that I need to consider? Prices differentiate too much.
I'm also looked at Linksys/D-Link business products and they seems to have the same features as Cisco Express series, but only 50% cheaper.
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Nov 15, 2007
What traffic monitor would everyone recommend for sites that have as many as 5,000 to 10,000 hits an hour?
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Mar 5, 2007
I had the chance to work with the summit24 switches, and I personally liked them. It is straight-forward in my opinion for the Web Interface compared to others I have seen and the pricing seems to be reasonable.
I was wondering if anyone has had any experience with any of their switching devices.
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Jan 6, 2007
my linksys switch comes with a web control panel under "qos" where i can control bandwidth there is Ingress Rate Limit and Egress Shaping Rate, what are they?
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Dec 26, 2008
I have Python on my server and it is using the most CPU and Memory on my server than any other process. I don't believe any of my clients use it so I am planning to delete it.
I am just wondering, does CentOS 5.2 (With cPanel) require Python, or is it not required so I can delete it without any problems caused?
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Jan 25, 2007
I have folders / files on my website that I want people to be able to access, but when I try to access them via a browser I get a login prompt, "Your not welcomed here", and a 401 Authorization Required page. How can I make it (using SSH or FTP) so that these files are viewable from the browser? My server is running Fedora.
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Nov 3, 2007
I moved a web site i developed from shared hosting at fasthosts due to performance issues and beacause I needed a more flexible platform.
I decided to go with webfusion as i'd seen them in the press everywhere.
Everything was working fine and performance was good - however the emails sent from the site (worked fine on shared hosting)- using php mail bounced. was getting ...
<sal@goldplateuk.com>:
213.171.216.118 does not like recipient.
Remote host said: 550 <anonymous@lvps212-241-216-214.vps.webfusion.co.uk>:
Sender address rejected: Domain not found
Giving up on 213.171.216.118.
However - sending to a hotmail address would work.
I referred to support - first line said they'd have to talk to second line support and get back to me.
Eventually - they called back and basically said everything looks ok on the server - they don't know why it's happening - do some analysis of your own - go on google.
Generally support isn't too hot - 2 days for a reply on a ticket. To cut a long story short -
does anyone know of a VPS host who would know what was wrong and would be able to help someone who is new to the VPS scene as i need to move host fast as the customer wants this resolved asap.
£25/month top budget.
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Aug 1, 2008
I'm having some serious issues.. I moved to a new dedicated server company and found out that the IP block I was on was blacklisted with 5 anti-spam lists.
However, the company is great and they have managed to get the IP block out of every single black list.
However, I am still having issues. My server does not seem to be listed on any blacklists but emails sent out to various places, get bounced back with the following types of errors.
Any suggestions or advice? Any server administrators who think they can fix this? Please PM me with your quote.
Code:
SMTP error from remote mail server after initial connection:
host umip1.um.edu.my [202.185.111.224]: 554 umip1.um.edu.my
Code:
SMTP error from remote mail server after initial connection:
host mailfilter.hi-light.com.tw [210.71.187.212]:
554-IP650-02.hibox.hinet.net
554 Your access to this mail system has been rejected due to the
sending MTA's poor reputation.
Code:
SMTP error from remote mail server after initial connection:
host gateway.kaf.com.my [203.109.48.229]: 554-gateway.kaf.com.my
554 Connections from your server *ip removed* are being refused due to poor reputation.
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Apr 11, 2008
i have a bunch of rewrite rules that work fine on my dev server but when i upload to production server they dont work. is a restart of apache required?
im on a dedicated box so this shouldnt be a problem, but how do people on shared accounts do this then?
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Jul 11, 2007
I am using CentOS release 4.4 (Final) with Plesk 8 Hosting Control Panel. I want to install MTOP for MySQL monitoring which requires Curses.
[root@cll mtop-0.6.6]# perl Makefile.PL
Warning: prerequisite Curses 0 not found.
Writing Makefile for mtop
I need Curses rpm for CentOS 4.4, please give me that rpm so I can proceed next.
I also need Term::ReadKey 2.1 rpm for CENTOS4.4
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Nov 5, 2009
With new installation of WordPress, I started Permalinks as "/%year%/%monthnum%/%day%/%postname%/", but now I've decided to change it to "/%postname%/"
Existing URLs
Code:
[url]
New URLs
Code:
[url]
but I don't want to break existing URL, so I decided to have a new rule defined to do this, here is how my .htaccess currently look...
Code:
RewriteEngine On
RewriteBase /
RewriteRule ^([0-9])/([0-9])/([0-9])/([0-9a-zA-Z-]+/)$ /$4 [R]
#uploaded files
RewriteRule ^(.*/)?files/$ index.php [L]
RewriteCond %{REQUEST_URI} !.*wp-content/plugins.*
RewriteRule ^(.*/)?files/(.*) wp-content/blogs.php?file=$2 [L]
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Jul 27, 2009
We are an established owner of three data centres outside of London. We are looking at either a half or full lockable rack in either Global Switch 1 or 2 (ideally with 24/7 managed hands) in order to terminate a backhaul circuit there.
We are also interested in a similar arrangement in TH-E.
We only require around 2 amps as the space will only house an edge router and switch for inter/cross connects.
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Oct 24, 2008
Due to problems with our current hosting company we are desperate to move our site to a dedicated server.
I am a UK based company with a .co.uk website.
Can anyone recommend a company?
How long does the change over take?
How much down time can I expect during the change over period?
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