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0 votes
1 answer
51 views

Why is IPsec transport mode "vulnerable" for not having integrity of variable fields? Why is this so important?

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1 answer
171 views

Basic Networking - IP address

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1 answer
45 views

Could address be omitted from packet in IPv4 if router is sending to / from that address?

3 votes
2 answers
704 views

In IPv4 Fragmentation, should the first block be necessarily the closest smaller multiple to 8

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1 answer
54 views

How localhost and its opposite 0.0.0.0.0 works

48 votes
5 answers
9k views

Why do we need IPv6?

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2 answers
63 views

What exactly does the term "main network" mean in subnetting?

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1 answer
8k views

Subnetting a subnet - VLSM

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3 answers
273 views

How to use IP pool

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3 answers
3k views

My first IPv6 ping fails

10 votes
5 answers
12k views

Why is the protocol field part of an IP header?

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1 answer
2k views

How to Run Static IP Through Comcast Business Class Modem to Router?

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2 answers
5k views

How are websites accessed without port numbers?

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1 answer
78 views

Recognizing the next protocol in MPLS header

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