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Wireshark Trace for Fault Finding
Viewed 276 times since Tue, Jul 25, 2017
How do I perform a Wireshark trace? If you have been asked to complete a wireshark trace this is because your reported fault needs further inspection from site, these are typically asked for when the report is call quality or transfer difficulties.... Read More
BT Terminology
Viewed 233 times since Fri, Jul 21, 2017
  You may see BT engineers moving "E side" or "D side" connections. Here's a note about them.. E-SIDE (Exchange Side) - Exchange to PCP D-SIDE (Distribution Side) - PCP to Customers PremisesThe "PCP" is the "Primary Connection Point". These are... Read More
Cables and Wiring
Viewed 214 times since Tue, Jul 25, 2017
  Cables Cabling RJ45 RJ21 MSAN We use 568B for almost everything ethernet Standard networking connectors for Ethernet connections. Rumor has it that only the “A” standard is accepted for government work and the “B” standard is being... Read More
Connectors
Viewed 187 times since Tue, Jul 25, 2017
Connectors From Internet Central     Fibre Connectors   Copper Ethernet Connectors  RJ45 Plugs and RJ45 Socket / Keystone Jack   Power Connectors Plug - Connector Socket - Inlet IEC-320 Appliance Connectors IEC-60320 electrical appliance... Read More
Internet Central DNS Server Settings
Viewed 164 times since Fri, Jul 28, 2017
What DNS server settings should I be using? IC provides recursive or caching name servers for you to use. You can use these from any IC supplied connection. (They are for IC customers only, not the world to use)  Location   IPv4 Address   ... Read More
How to flush the DNS Cache on a variety of platforms
Viewed 147 times since Fri, Jul 28, 2017
How to flush the DNS Cache     Clear Chrome DNS Cache Chrome has internal DNS Cache, separate to the operating system # Browse to... chrome://net-internals/#dns and click 'Clear host cache'# Browse to... chrome://net-internals/#sockets... Read More
Fibre-types
Viewed 120 times since Fri, Jul 21, 2017
SX uses multimode (grey connector jacks) LX typically uses singlemode (blue connector jacks) for <5km , or multimode (grey connector jacks) <550m   There are two basic fibre families Singlemode (Blue connector jacks ) (SM, OS1.OS2) Sheath... Read More
OSPF Routing Cost
Viewed 117 times since Tue, Jul 25, 2017
OSPF routing cost - quick overview The ospf routing cost is part of what the OSPF network uses to choose between alternative routes within the network. The higher the routing cost the slower the link Cisco devices can auto set the routing cost -... Read More
DHCP
Viewed 64 times since Wed, Aug 2, 2017
DHCP - Dynamic Host Configuration Protocol   Every device on a TCP/IP network requires a unique IP address to be able to access the network and it's resources. DHCP is how a network device can be given a unique IP address automatically, as long... Read More
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