From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/buttons.html | 109 +++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/content.html | 172 +++++++++++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/index.html | 29 ++++ Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/media.html | 21 +++ 4 files changed, 331 insertions(+) create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/buttons.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/content.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/index.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/media.html (limited to 'Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2') diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/buttons.html new file mode 100644 index 0000000..e3204af --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch1/1_1_2/buttons.html @@ -0,0 +1,109 @@ + + + + + + + + + + + +New Page 1 + + + + + + + + + + + + + + + + + + + + + + + +
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+ + 1.1 + Scaling Networks with NAT + and PAT 
  + 1.1.2 + Introducing NAT and PAT 
+ + + + + + +
+ + NAT is designed to conserve IP addresses and enable + networks to use private IP addresses on internal networks. These + private, internal addresses are translated to routable, public + addresses. This is accomplished by inter-network devices running + specialized NAT software and can increase network privacy by hiding + internal IP addresses.

+ + A NAT enabled device + typically operates at the border of a stub network. A stub network is + a network that has a single connection to its neighbor network. + + When + a host inside the stub network wants to transmit to a host on the + outside, it forwards the packet to the border gateway router. The + border gateway router performs the NAT process, translating the + internal private address of a host to a public, external routable + address. + + In NAT terminology, the internal network is the set + of networks that are subject to translation. The external network + refers to all other addresses.

+

+ Cisco defines the following NAT terms:

+
    +
  • Inside local address – The IP + address assigned to a host on the inside network. The address is + usually not an IP address assigned by the Network Information Center + (NIC) or service provider. This address is likely to be an RFC 1918 + private address.
    • +
  • Inside global address – A + legitimate IP address assigned by the NIC or service provider that + represents one or more inside local IP addresses to the outside + world.
    • +
  • Outside local address – The + IP address of an outside host as it is known to the hosts on the inside + network.
    • +
  • Outside global address – The + IP address assigned to a host on the outside network. The owner of + the host assigns this address.
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+ + + Interactive Media Activity

+ +

Drag and Drop: Basic Network Address Translation

+

When the student has completed this activity, the student + will be able to identify the IP address translations that occur + when using NAT.

+ +

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+ + Web Links

+ + +

NAT Frequently Asked Questions

+ + http://www.cisco.com/en/US/tech/tk648/ tk361/technologies_q_and_a_ + item09186a00800e523b.shtml

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