IPv4 And IPv6 Flashcards
Where is Unicast Transmission used ?
Host-host / Peer - Peer Network
What is Unicast address ?
Address of end Device
Range of unicast address ?
0.0.0.0 - 223.255.255.255
What is broadcast transmission?
Sends broadcast using broadcast address
What is Multicast transmission?
Sending a single packet to set of host
Range of Multicast ?
224.0.0.0-239.255.255.255
Multicast address is reserved only for ?
Local Network
What is DHCP discover message?
A broadcast with destination IPv4 address of 32 Ones and Destination MAC address with 48 Ones
What replies to DHCP discover messege ?
DHCP server
What DHCP server replie with ?
DHCP offer
What DHCP offer has ?
IPv4 address
After DHCP offer is received by host what does it send ?
DHCP request for IPv4 address
When DHCP server recieves DHCP request what does it replies with ?
DHCP acknowledgement
What uses Default gateway ?
Router
Issue with IPv4 ?
Running out of address
Max 43 Billion Address
Limited space for NAT and IOT
Size of IPv6 ?
10^36 (340 Undecillion address )
Does IPv6 need NAT ?
No, it has its own globally routable address
What is IPv6 ?
128-bit address , collan hexadecimal
How many bits does IPv6 use ?
8 Hexatets (16bit)
What does IPv6 use instead of subnet mask ?
Network prefix
Techniques used for IPv4 and IPv6 coexistence?
Dual stack
Tunneling
Translation
What run both in IPv4 and IPv6 ?
Dual Stack
In which technology IPv6 is encapsulated in IPv4 ?
Tunneling
What is tunneling ?
Process of transporting IPv6 packets over IPv4 network
Which allows IPv6 device to communicate with IPv4 ?
NAT64
what should IPv6 have within a network ?
Link local unicast address
How frequently does ICMPv6 sends multicast ?
200 seconds
What router advertisement does Cisco use ?
SLAAC - No DHCPv6
What IPv6 advertisement is used for DNS address ?
SLAAC + Stateless DHCPv6
What router advertisement is used in DHCPv6?
All address except default gateway
What allows host to create own routable table in IPv6?
Stateless Address Auto Configuration (SLAAC)
What is prefix in IPv6?
Network address
What does the host receives in IPv6 ?
Prefix
Prefix length (Subnet Mask)
Default gateway
What is used to communicate within the same network in IPv6?
Link local address
Two or more zero in IPv6 address can be represented by ?
::