The Network Access Layer is an essential but critical network component that usually has several features configured, such as:
- Multi-Chassis Link Aggregation (MC-LAG): Allows server links to be connected to different access layer switches with bonding enabled in active/active mode
- Virtual LAN (VLAN): A very old but solid technology that separates one broadcast domain from another
- L3 gateway: An IP Gateway to allow VLAN traffic in and out
- Dynamic routing protocol: Interior Gateway Protocol (IGP)/Border Gateway Protocol (BGP) allows server IP addresses/subnets to be exchanged dynamically and failover from one transit link to another without any downtime
- Control Plane Policing (CoPP): This is a common way to protect management ...