Ch. 4.5 Flashcards by David Lee

Q

What are 2-3 parts of an IPv6 packet?

A

Header
Optional Extension Header
Payload

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Q

Is the Main Header in IPv6 a fix length?

How about a IPv4 header?

A

IPv6: Yes

IPv4: No, can be changed

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Q

What are these fields used for?

Traffic Class

A

Describes packet’s priority

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Q

What are these fields used for?

Flow Label

A

QoS management (real time streams)

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Q

What are these fields used for?

Payload Length

What’s the maximum length of a payload?

A

Indicates length of payload

Maximum of 64KB

Field becomes 0 and special jumbo payload

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Q

What happens if Payload Length is bigger than the maximum length?

A

The value is set to 0

The special Jumbo Payload of 4GB is established

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Q

What are these fields used for?

Next Header

A

Describes next extension header

OR

Is where actual payload begins

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Q

What are these fields used for?

Hop Limit

A

Replaces TTL field and performs same function

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Q

A

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