If There's 2 Ethernet Line, How Will The Traffic Be Like
Jul 13, 2007
I've a rack in the datacentre, and actually sharing the ethernet line with another partner's rack.
Something like:
Bandwidth -> Switch 1 -> Switch 2 (partner's rack)
Bandwidth -> Switch 1 -> Switch 3 (my rack)
After a previous uplinks issue, i'm never able to hit above 4Mbps of download speed to my home's cable broadband anymore. I have no idea whether it's because my partner capped my bandwidth from Switch 1, or his usage has increased such that it's affecting my traffic too. I can't be too concerned about it with him, as he's paying the bulk of the bandwidth costs.
For the whole rack, i'm not able to hit above 5Mbps accumulatively, and my normal bandwidth usage is only about 1-2Mbps.
So i'm thinking of getting another line for bandwidth directly from the datacentre to my Switch 3, perhaps starting from just 1-2Mbps only.
How will things improve? Just a silly thought, whether my total available bandwidth can now be 5Mbps + 2Mbps = 7Mbps.
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Nov 30, 2008
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Does a similar tool exist today effectively allowing us to figure our which VPS or IP address is under DDoS attack?
The only way I could fix this was via KVM access to netstat -an | grep etc... Not too
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Assumption:
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Jan 18, 2007
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Nov 4, 2009
i have recently get this server , we moved to this server in the same datacenter
Linux OS:centos 5.4
Kernel Version(uname -r) 2.6.28.7
Hardware Information:icore7 920 + 12gb ram
Software Version;csf firewall, ossec Intrusion Detection System, rvsitebuilder
Control Panel(if any)whm+ fantastico
yesterday the dc tech logged-in by ssh (root) cause we couldn't connect to the ftp box we keep our backup's (the new box couldnt connect to the ftp got time out)
They fixed it.
Today i got a time out and after 2 reset and restaring of services the server was back again.Then i got this messages and it still coming (3 hours now i get 1 similar message per 5 second )
Code:
Nov 4 12:31:20 gandalf kernel: martian source 217.20.117.1 from 127.0.0.239, on dev eth0
Nov 4 12:31:20 gandalf kernel: ll header: ff:ff:ff:ff:ff:ff:00:1a:4b:3a:7e:23:08:06
Nov 4 12:31:21 gandalf kernel: martian source 217.20.117.1 from 127.0.0.244, on dev eth0
Nov 4 12:31:21 gandalf kernel: ll header: ff:ff:ff:ff:ff:ff:00:1a:4b:3a:7e:23:08:06
Nov 4 12:31:22 gandalf kernel: martian source 217.20.117.1 from 127.0.0.252, on dev eth0
Nov 4 12:31:22 gandalf kernel: ll header: ff:ff:ff:ff:ff:ff:00:18:71:80:07:86:08:06
Nov 4 12:31:22 gandalf kernel: martian source 217.20.117.1 from 127.0.0.244, on dev eth0
Nov 4 12:31:22 gandalf kernel: ll header: ff:ff:ff:ff:ff:ff:00:1a:4b:3a:7e:23:08:06
Also the firewall stopped the port scanning from a server within the same dc.
I checked it on google and the explanation's varies but most say that is a problem of the router/switch or similar.
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Mar 21, 2008
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Feb 22, 2007
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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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May 19, 2008
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i have tried searching google ... but can not find linux driver for same...
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Code:
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Code:
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I do not understand what network: 5 mbps and the traffic 1Gbps mean
=========
CPU Intel Core2-Duo E4500
2.2GHz-FSB 800MHz -L2 2MB
RAM DDR2 PC2-5300 (667Mhz) 2GB
HDD SATA2 250GB (7,200rpm)
LANcard Intel PRO/1000 PF Server Adapter
Rack Type 1U (4.5cm)
Network: 5Mbps
Traffic 1Gbps Dedicated Line
=======
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