Forcing Duplex at startup – Linux Note: This article is rather old and remains for historical purposes only. alias eth0 e100 options e100 e100_speed_duplex=4 Further information: http://www.scyld.com/diag_index.html
AS number. AS = Autonomous System Number From Wikipedia Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information between autonomous systems (AS) on the Internet.[1] The protocol is often classified as a path vector protocol, but is sometimes also classed as a distance-vector routing protocol. The Border…
Private Address Range (ipv4) 10.0.0.0 – 10.255.255.255 (10/8 prefix) 172.16.0.0 – 172.31.255.255 (172.16/12 prefix) (/12=255.240.0.0) 192.168.0.0 – 192.168.255.255 (192.168/16 prefix)
Network Revision – TCP/IP etc. This module is (mostly) taken by two types of people – those who have done a networking course and those who will soon. (There is also sometimes a minority who haven’t and won’t – don’t worry if this is you.) Those of you familiar with networking to some extent will…
Network / USB / SCSI – speeds. If like me you’ve started to get a little lost in all the various network, cabling and WiFi options you might be interested in this short comparison of the various cable types. Cable Type – Speed USB 1: 1.5 Mb/s – 12 Mbs USB 2: 480 Mb/s Firewire…
100Base-T Cabling Guidelines This section describes 100Base-T cabling guidelines and some common configurations for Catalyst 2800 modules. The following cabling guidelines apply to a 100Base-T network: The maximum length for an Unshielded Twisted Pair (UTP) cable segment is 100 meters. Any cable segment longer than 100 meters must be fiber. A 100Base-T repeater is equivalent…
ICMP Types # # ICMP types # icmpType0=echo-reply icmpType3=destination-unreachable icmpType5=redirect icmpType8=echo-request icmpType11=time-exceeded #