b.txt - B 1R 2S 3H 1Ser Reception Host(or 124-1 IPv4...

B 1R 2S 3H 1Ser
Reception Host (or 124-1)--
IPv4 192.168.1.97 255.255.255.224
GWv4 192.168.1.126
IPv6 2001:DB8:ACAD:A::FF/64
GWv6 FE80::1
Operator Host (or 124-5)--
IPv4 192.168.1.98 255.255.255.224
GWv4 192.168.1.126
IPv6 2001:DB8:ACAD:A::15/64
GWv6 FE80::1
IT Host (or 214-1)--
IPv4 192.168.1.145 255.255.255.240
GWv4 192.168.1.158
IPv6 2001:DB8:ACAD:B::FF/64
GWv6 FE80::1
TFTP Server---
IPv4 192.168.1.146 255.255.255.240
GWv4 192.168.1.158
IPv6 2001:DB8:ACAD:B::15/64
GWv6 FE80::1
Router CS
en
conf terminal
hostname Middle
enable secret class12345
service password-encryption
banner motd $This is Router$
security passwords min-length 10
login block-for 120 attempts 2 within 30
no ip domain-lookup
ip domain-name ccnav6.com
crypto key generate rsa
1024
line console 0
password cisco12345
login
logging synchronous
exec-timeout 60
exit
line vty 0 4
password cisco12345
transport input ssh
login local
logging synchronous
exec-timeout 60
exit
line aux 0
password cisco12345
login
logging synchronous
exec-timeout 60