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  • CCNP BCMSN Notes – Switch Port Configuration

    Friday, October 30th, 2009

    IEEE standards:    802.3 – Ethernet    802.3u – Fast Ethernet    802.3z – Gigabit Ethernet    802.3ab – Gigabit Ethernet over copper (1000Base-T)    802.3ae – 10 Gigabit Ethernet Tags: BCMSN Notes, IEEE, Switching

    Virtual LANs(VLAN)

    Tuesday, April 21st, 2009

    VLAN Membership When a VLAN is provided at an access layer switch, an end user must be able to gain membership to it. Two membership methods exist on Cisco Catalyst switches: static VLANs and dynamic VLANs. . Static VLANs offer port-based membership, where switch ports are assigned to specific VLANs. End user devices become members […]

    Spanning-Tree Protocol (STP) – II

    Monday, April 13th, 2009

    STP States To participate in STP, each port of a switch must progress through several states. A port begins in a Disabled state moving through several passive states and finally into an active state if allowed to forward traffic. The STP port states are: Disabled, Blocking, Listening, Learning, and Forwarding. . Ports that are administratively […]