Lab Tips: Both static NAT and dynamic NAT can only implement one-to-one address translation, but PAT can implement one-to-many address translation. A router performs the PAT function and translates different private IP…
CCNA ICND1 Lab4 – Configure VTP
Lab Tips: VLAN Trunk Protocol (VTP) is a proprietary Cisco protocol that is used to share VLAN configuration information over the trunk link between Cisco switches. VTP allows switches to share and…
CCNA ICND1 Lab3 – Routing Between VLANs
Lab Tips: Suppose that there are four VLANs. To realize communication between them, you need four LAN ports. A router with four ports is expensive, so we use one port to realize…
CCNA ICND1 Lab2 – Restore Switch Password
Lab Tips: Sometimes, the user forgets the password of the switch and therefore, cannot enter the privilege mode. You can restore the password without losing any other configurations. Lab Requirements: 1. Set…
CCNA ICND1 Lab1 – Basic Switch Command (2)
Lab Tips: Set MAC to restrict the number of hosts that access one switch port. Lab Requirements: 1. Use port security. 2. Set the maximum number of access to fa0/23 port to…
CCNA ICND1 Lab1 – Basic Switch Command (1)
Lab Tips: The Layer 2 switch has no IP address. If you want to manage the switch remotely, you must specify an IP address for it. The switch learns MAC addresses dynamically….
CCNA ICND2 Lab15 – Access List
Lab Tips: The ACL is a security solution that filters packets when they pass through a router. ACLs are divided into standard ACLs and extended ACLs. To pass the CCNA exam, please…
CCNA ICND2 Lab14 – Frame Relay
Lab Tips: The Frame-Relay protocol is a data-link layer packet switching protocol that is used in the line. The line only checks errors. These errors are solved by the upper-layer protocols such…
CCNA ICND2 Lab13 – CHAP Authentication
Lab Tips: PPP supports device authentication through the two following protocols: PPP Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP). CHAP processes the password through Basic MD5 HASH algorithm and sends…