Disable IPv6 on Ubuntu 16.04

References https://www.linuxbabe.com/ubuntu/disable-ipv6-on-ubuntu https://askubuntu.com/questions/440649/how-to-disable-ipv6-in-ubuntu-14-04 https://support.purevpn.com/how-to-disable-ipv6-linuxubuntu

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Configure DHCP server on cisco router

References : http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/812-cisco-router-dhcp-config.html

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Cisco RIP v2 IP Routing

References : http://blog.pluralsight.com/cisco-how-to-configure-rip-2

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Cisco RIP v1 IP Routing

References : http://blog.pluralsight.com/cisco-how-to-configure-rip-1

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Cisco Static IP Routing

Router A :

Router B : vice versa to Router A References : http://serverfault.com/questions/171551/help-me-understand-the-ip-route-command-for-cisco-routers

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Calculate IP

Address: 192.168.0.1 11000000.10101000.00000000 .00000001 Netmask: 255.255.255.0 = 24 11111111.11111111.11111111 .00000000 Wildcard: 0.0.0.255 00000000.00000000.00000000 .11111111 => Network: 192.168.0.0/24 11000000.10101000.00000000 .00000000 (Class C) Broadcast: 192.168.0.255 11000000.10101000.00000000 .11111111 […]

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