Question

Addressing Table IPv4 Address Subnet Mask Device Interface Default Gateway IPv6 Address/Prefix IPv6 Link-local N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A G0/O 2001 DB8:ACAD:: 1/64 FE80::1 G0/1 2001:DB8:ACAD:1:1/64FE80::1 R1 G0/2 2001:DB8:ACAD:21/64FE80::1 172.16.1.2 2001:DB8:2::1/64 209.165.200.226 2001:DB8:1::1164 172.16.1.1 2001:DB8:2:2/64 255.255.255.252 FE80::1 255.255.255.252 FE80::2 255.255.255.252 FE80:2 S0/0/1 S0/0/0 Central S0/0/1 S1 S2 S3 VLAN 1 VLAN 1 VLAN 1 Staff NIC 2001:DB8:ACAD::2/64FE80::2 FE80::1 Sales 2001 DB8:ACAD:1:2/64FE80::2 FE80::1 IT 2001 DB8:ACAD:2: 2/64 FE80::2 64.100.0.3 2001 DB8 CAFE::3/64 192.168.0.196 2001:DB8 ACAD:2::3/64 255.255.255.248 FE80:2 255.255.255.224 FE80::2 FE80::1 64.100.0.1 FE80:1 192.168.0.193 FE80:1 Web TFTP server NIC Scenario / Background The router Central, ISP cluster, TFTP server and the Web server are completely configured. You have been tasked with ceting a new IPv4 addressing scheme that will accommodate 4 subnets using 192.168.0.0/24 network. The IT department requires 25 hosts. The Sales department needs 50 hosts. The subnet for the rest of the staff requires 100 hosts. A Guest subnet will be added in the future to accommodate 25 hosts. You are also tasked with finishing the basic security settings and interface configurations on R1. Furthermore, you will configure the SVI interface and basic security setting on switches S1, S2 and S3 Requirements IPv4 Addressing-VLSM .Create subnets that meet the host requirements using 192.168.0.0/24 24 means 8 host bits available for subnetting (N.N.N.H) o Staff 100 hosts 27-128 hosts, therefore only 7 host bits are needed, therefore you must borrow 1 bit creating a new SM 125 [/25 255.255.255.255.128]. Subnets will increase by "128 (255-128-128) o Sales: 50 hosts 28-64 hosts; therefore only 6 host bits are needed, you must borrow an additional 1 bit creating a new SM /26 o IT: 25 hosts o Guest network to be added later: 25 hosts VLSM Table- notice each subnet (Staff, Sales & IT) has a different subnet mask. Type only the missing number. Do not type the period. Subnet Mask - Dept. Staff Sales Subnet 192.168.0 192.168.0 192.168.0 dotted decimal 255.255.255 255.255.255 255.255.255 First Host 192.168.0 192.168.0 192.168.0 192.168.0 Last Host 192.168.0 192.168.0 192.168.0 192.168.0 Broadcast 192.168.0 192.168.0 192.168.0 192.168.0 IT Guest Network 192.168.0 255.255.255 .Document the assigned IPv4 addresses in the Addressing Table on page 2: The router's LAN interface will use the first host address in the subnet. The switch's SVI address will be the second host address in the subnet. The PCs will use the third host address in the subnet.

Answer 1

Requirements IPv4 Addressing VLSM Create subnets that meet the host requirements using 192.168.0.0/24. 24 means 8 host bits available for subnetting (N.N.N.H). o Staff. 100 hosts 27-128 hosts, therefore only 7 host bits are needed, therefore you must borrow 1 bit creating a new SM 125 [/25 -255.255.255.255.128] Subnets will increase by "128" (255-128-128) Sales: 50 hosts o 26-64 hosts; therefore only 6 host bits are needed; you must borrow an additional 1 bit creating a new SM /26 o IT: 25 hosts o Guest network to be added later: 25 hosts VLSM Table notice each subnet (Staff, Sales & IT) has a different subnet mask. Type only the missing number. Do not type the period. Subnet Mask - dotted decimal Dept. Staff Sales 192.168.0. 128 255.255.255. 192 192.168.0. 129 192.168.0.190 192.168.0. 191 IT Guest Network 192.168.0. 224 255.255.255. 224 Subnet First Host Last Host Broadcast 192.168.0. 0 255.255.255. 128 192.168.0.1 192.168.0.126 192.168.0. 127 192.168.0. 192 255.255.255. 224 192.1680. 193 192.168.0.222 192.168.0. 223 192.168.0. 255 192.1680. 225 192.168.0 Document the assigned IPv4 addresses in the Addressing Table on page 2: The router's LAN interface will use the first host address in the subnet. The switch's SVI address will be the second host address in the subnet. The PCs will use the third host address in the subnet.

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