Basic Configuration: https://youtube.com/watch?v=3wuFFYVWnbc
Port Forwarding: https://youtube.com/watch?v=8WVWoW86Uhw
Dynamic DNS: https://youtube.com/watch?v=Zh39hgRJwGE
https://ipwithease.com/how-to-configure-ddns-in-a-cisco-router/
DDNS y NoIP: https://www.firewall.cx/cisco/cisco-routers/cisco-router-ddns.html
Setup DNNS on a Cisco IOS Router: https://www.bytesolutions.com/setup-ddns-dynamic-dns-cisco-ios-router/
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Basic Router Commands
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Router(greater than sign) ---User EXEC mode exit
Router(greater than sign) ?
Router(greater than sign) enable
---------------
Router# ---Privileged EXEC mode disable, exit
Router# ?
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Router# configure terminal
Router(config)# ---Global Config mode exit, end, Ctrl+c, Ctrl+z
Router(config)# ?
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Router(config)# line vty 0 15
Router(config)# line console 0
Router(config-line)# ---Line configuration mode exit, end, Ctrl+c, Ctrl+z
Router(config-line)# ?
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Router(config)# interface gigabitEthernet 0/0/0
Router(config-if)# ---Interface configuration mode exit, end, Ctrl+c, Ctrl+z
Router(config-if)# ?
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Router#
Router# configure terminal
Router# show ?
Router# show running-config
Router# copy running-config startup-config
Router# ping 192.168.1.100
Router# traceroute 192.168.1.100
Router# ssh 192.168.1.100
Router# telnet 192.168.1.100
Router# debug ?
Router# clock set 07:14:00 October 15 2019
Router# reload
---------------------------------
Router(conf)#
Router(conf)# hostname R1
Router(conf)# banner motd "No unauthorized access allowed!"
Router(conf)# enable password class
Router(conf)# enable secret class
Router(conf)# service password-encryption
Router(config)# line vty 0 15
Router(config)# line console 0
Router(config)# interface gigabitEthernet 0/0/0
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Router(config-line)#
Router(config-line)# password cisco
Router(config-line)# login
Router(config-line)# transport input all (line vty)
----------------------------------------------------
Router(config-if)#
Router(config-if)# interface gigabitEthernet 0/0/0
Router(config-if)# int g0/0 //command abbreviation
Router(config-if)# ip address 192.168.1.1 255.255.255.0
Router(config-if)# no shutdown
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Basic Switch Commands
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Switch(greater than sign) ---User EXEC mode exit
Switch(greater than sign) enable
---------------
Switch# ---Privileged EXEC mode disable, exit
-----------------
Switch# configure terminal
Switch(config)# ---Global Config mode exit, end, Ctrl+c, Ctrl+z
-----------------
Switch(config)# line vty 0 15
Switch(config)# line console 0
Switch(config-line)# ---Line configuration mode exit, end, Ctrl+c, Ctrl+z
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Switch(config)# interface vlan 1
Switch(config-if)# ---Interface configuration mode exit, end, Ctrl+c, Ctrl+z
----------------------------
Switch#
Switch# configure terminal
Switch# show ?
Switch# show running-config
Switch# copy running-config startup-config
Switch# ping 192.168.1.100
Switch# traceroute 192.168.1.100
Switch# ssh 192.168.1.100
Switch# telnet 192.168.1.100
Switch# debug ?
Switch# clock set 07:14:00 October 15 2019
Switch# reload
---------------------------------
Switch(conf)#
Switch(conf)# hostname R1
Switch(conf)# banner motd "No unauthorized access allowed!"
Switch(conf)# enable password class
Switch(conf)# enable secret class
Switch(conf)# service password-encryption
Switch(config)# line vty 0 15
Switch(config)# line console 0
Switch(config)# interface vlan 1
----------------------------------------------------
Switch(config-line)#
Switch(config-line)# password cisco
Switch(config-line)# login
Switch(config-line)# transport input all (line vty)
----------------------------------------------------
Switch(config-if)#
Switch(config-if)# interface vlan 1
Switch(config-if)# ip address 192.168.1.2 255.255.255.0
Switch(config-if)# no shutdown
Switch(config-if)# exit
Switch(config)# ip default-gateway 192.168.1.1