Network Theory - IP operations - IPv4 options, IPv6 extension headers
9 important questions on Network Theory - IP operations - IPv4 options, IPv6 extension headers
What is the optional IPv4 header used for and what is the length?
Usually this is used to convey information about how the
packet should be processed for testing purposes.
Examples of options include loose source routing, strict source
routing, record route, and timestamp.
An extended ping on Cisco routers allows you to invoke the previous example
options.
What is the disadvantage of the IPv4 header?
What is the size for IPv6 header?
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What are the IPv4 options fields in the optional header?
-Length
-Data
15. IPv4 Options and IPv6 Ext Headers 7:40
What are the IPv4 type options of the option header and how big is the field?
-copied (for fragments 1 bit)
-option class (for control/debug 2 bits)
-option number( Specify options 5 bits)
8 bit
What is the IPv4 option number used for?
How big the option length of the IPv4 options Header and what is it used for?
Specifies length of the ip option header
What is the field in the IPv6 pointing to an extension header?
What are examples for IPv6 extension headers?
-ESP payload (ipv6 ipsec implementaion)
-mobility features
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