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In: Networking, openSUSE 11.0, openSUSE 11.1, Wireless
With: 56 Comments

In openSUSE 11.1, laptops installed with the BCM4311/BCM4312/BCM4321/BCM4322 Wireless LAN cards like the Dell Inspiron 1525 do not have drivers installed and hence do not work out of the box. In Dell this Wireless card is labelled as “Dell 1395 Wireless card”. Broadcom has released a linux version of its driver both 32-bit (x86) and 64bit (x86_64) editions for BCM4311, BCM4312, BCM4321 & BCM4322 Wireless cards. A 1-click install Yast Metapackage file (YMP) is available for install from Packman which makes it easy to get your wireless up and running in no time.Read More →

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In: Networking
With: 2 Comments

DarkStat is a simple Packet Sniffing Network Traffic/Bandwidth monitoring utility for Linux and UNIX. DarkStat relies on libpcap and presents simple webinterface with nice graphs and stats auto-refreshed. Darkstat uses a very low footprint and the memory, CPU usage. DarkStat runs in the background of many Cable/DSL routers and are used in pfSense, redWall opensource firewalls.Read More →

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In: Networking
With: 6 Comments

openSUSE and SUSE Linux sets default values for some of the network related Kernel parameters. While these are certainly not something that reduces the performance on your linux but are set considering optimal across platforms. With Kernel 2.6 (default in recent releases of openSUSE & SuSE Linux), there are some fine tuning you can do to improve Network performance and get that extra out of your system.Read More →

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In: Networking
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Maximum Transmission Unit (MTU) the size (in bytes) of the largest packet or frame that a given layer of a communications protocol can pass onwards. The MTU may be fixed by standards (as is the case with Ethernet) or decided at connect time. A higher MTU brings higher bandwidth efficiency. However, large packets can block up a slow interface for some time, increasing the lag for further packets.Read More →