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Mike Fiedler
2012-12-26 15:56:50 -05:00
parent 4d80237a50
commit 4696176936
1 changed files with 4 additions and 4 deletions
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networking_101.rst
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@@ -122,7 +122,7 @@ other hosts can be reached on the local network. The host system determines
this by the application of a routing prefix. There are two typical representations of this this by the application of a routing prefix. There are two typical representations of this
prefix: a netmask and CIDR. prefix: a netmask and CIDR.
Netmasks typically appear in the dotted decimal notation, with values between 0-255 in each Netmasks typically appear in the dotted decimal notation, with values between 0-255 in each
octet. These are applied as bitmasks, and numbers at 255 mean that this host is not reachable. octet. These are applied as bitmasks, and numbers at 255 mean that this host is not reachable.
Netmask can also be referred to as a Subnet Mask and these terms are often used interchangeably. An Netmask can also be referred to as a Subnet Mask and these terms are often used interchangeably. An
example IP Address with a typical netmask is below: example IP Address with a typical netmask is below:
@@ -146,8 +146,8 @@ IP Address CIDR
Private address space (:rfc:`1918`) Private address space (:rfc:`1918`)
=================================== ===================================
Certian ranges of addresses were reserved for private networks. Using this address space Certain ranges of addresses were reserved for private networks. Using this address space
you cannot communicate with public machines without a NAT gateway or proxy. There are you cannot communicate with public machines without a NAT gateway or proxy. There are
three reserved blocks: three reserved blocks:
============== ===================== =============== ============== ============== ===================== =============== ==============
@@ -195,7 +195,7 @@ LC vs SC
LC and SC connectors are the two most common type of fiber connectors. LC and SC connectors are the two most common type of fiber connectors.
LC is also known as a Lucent Connector. They are typically used for high-density applications, and are LC is also known as a Lucent Connector. They are typically used for high-density applications, and are
the type of connector used on SFPs or XFPs. Typcially the connector is packaged in a duplex configuration the type of connector used on SFPs or XFPs. Typically the connector is packaged in a duplex configuration
with each cable side by side. with each cable side by side.
SC connectors are also know as Subscriber Connector, Square Connector, or Standard Connector. This is the type SC connectors are also know as Subscriber Connector, Square Connector, or Standard Connector. This is the type