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How many subnets can a /48 site prefix support?

How many subnets can a 48 site prefix support quizlet?

With a network prefix of 48, there will be 16 bits available for subnetting because the interface ID starts at bit 64. Sixteen bits will yield 65536 subnets .

How many IP addresses are in a 48?

IPv6 Relative Network Sizes

/128 1 IPv6 address
/56 256 LAN segments
/48 65,536 LAN segments
/32 65,536 /48 subscriber sites
/24 16,777,216 subscriber sites

How many 60 networks can be assigned from a 48 network address prefix?

64 – 48 = 16, and 216 is 65536, so there are 65536 /64 subnets in a / 48 network , How many /64 networks are there in a / 60 ? Again, deduct the size of the network from the size of the subnet. 64 – 60 = 4, and 24 is 16, so there are 16 /64 subnets in a / 60 .

How do you calculate the number of subnets needed?

Total number of subnets : Using the subnet mask 255.255. 255.248, number value 248 (11111000) indicates that 5 bits are used to identify the subnet . To find the total number of subnets available simply raise 2 to the power of 5 (2^5) and you will find that the result is 32 subnets .

What does IP address 192.168 1.15 29 mean?

Explanation: A broadcast address is the last address of any given network. This address cannot be assigned to a host, and it is used to communicate with all hosts on that network.

What is by far the most popular DNS server software available?

Berkeley Internet Name Domain (BIND) is the most popular Domain Name System ( DNS ) server in use today.

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How many IP addresses are in a 16?

CIDR, Subnet Masks, and Usable IP Addresses Quick Reference Guide (Cheat Sheet)

CIDR Subnet Mask Total IPs
/19 255.255 .224.0 8192
/18 255.255 .192.0 16,384
/17 255.255 .128.0 32,768
/16 255.255 .0.0 65,536

What is a 64 subnet?

So a / 64 indicates that the first 64 bits of the 128-bit IPv6 address are fixed. The remaining bits ( 64 in this case) are flexible, and you can use all of them. This means that when your ISP gives you a / 64 they are giving you 2 64 addresses (that is 18,446,744,073,709,551,616 addresses).

What is the slash after an IP address?

The slash following the IP address is the abbreviation for the subnet mask. The binary version of a subnet mask is going to be comprised of ones and zeros just as the binary verison of an IP address would be, however, the ones in a subnet mask are all consecutive. 0.0. A /30 subnet mask would be 11111111.11111111.

How many IPs are in a 64?

IPv6 Subnet Cheat Sheet and IPv6 Cheat Sheet Reference

IPv6 CIDR Subnet Number of IPs
/66 4,611,686,018,427,387,904
/65 9,223,372,036,854,775,808
Residential – /64 18,446,744,073,709,551,616
/63 36,893,488,147,419,103,232

Why does a Layer 2 switch need an IP address?

Explanation:A switch , as a Layer 2 device, does not need an IP address to transmit frames to attached devices. However, when a switch is accessed remotely through the network, it must have a Layer 3 address . Routers, not switches , function as default gateways.

How do I subnet IPv6 48?

The number of subnetting bits is the new prefix length minus the original prefix length. So there are 4 subnetting bits when a / 48 is broken into /52s (52- 48 =4). The number of subnets possible with x subnetting bits is 2x. So if we have 4 subnetting bits, then we can create 24=16 new subnets .

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How many subnets are in a 24?

Deducting 248 from 256 gives us 8 so the subnets are 0, 8, 16, 24 , 32, 40, 48… 240,248. 192.168. 2-3 Subnetting.

Dotted Decimal Value CIDR notation
255.255. 255.0 /24
255.255.255.128 /25
255.255.255.192 /26
255.255.255.224 /27

What is IP subnet?

A subnetwork or subnet is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting . Computers that belong to a subnet are addressed with an identical most-significant bit-group in their IP addresses. Addresses in the range 198.51. 100.0 to 198.51.

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