Cisco

Routing occurs when a layer 3 devices makes a forwarding decision base on network address information . The role of routing in an Entreprise : Building Access: Part of the campus network that provide access to the users.Security ( authentification…
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Configuration of DHCP : (config)#ip dhcp excluded-address (1st ip address) (last ip address) (config)#ip dhcp pool (name of the pool) (dhcp-config)#network (network address) (mask) (dhcp-config)#default-router (default router ip address) (dhcp-config)#dns-server (ip address of dns server) (dhcp-config)#domain-name (name of domain) (dhcp-config)#lease…
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An NTP service receives its time information from a time source with a higher level of authority than itself. The authority of a particular time servicer is indicated by its stratum. An NTP server that connects directly to an authoritative,…
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This post will be updated often ! Any form of access to a network device should be authenticated so we need to configure users . ( see Users Post ) Password are not encrypted by default , you can configure…
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You can create Users access by creating different privilege levels : (config)#privilege exec level ( level # ) (command) In the following example, the show ip route command is set to privilege level 15. To keep all show ip and show…
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Creating users can be done in global configuration mode : (config)#username (name) password (word) OR (config)#username (name) privilege ( 0-15 ) password (word)  

To access a remote Cisco Router you can configure it in global mode : (config)#line vty 0 4 (config-line)#login Local ( see creating a user ) OR (config-line)#password (password) Dont forget that your password is save in plain text so…
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(config-if)#ip host (name) (ip address)