154
C
8: T
HAPTER
RUNKING
Standards,
Protocols, and
Related Reading
The system supports these Ethernet standards:
IEEE 802.3 — 10BASE-T Ethernet over unshielded twisted pair (UTP)
IEEE 802.3u — 100BASE-T Fast Ethernet over UTP or fiber
IEEE 802.3z — 1000BASE-SX Gigabit Ethernet over multimode fiber
and 1000BASE-LX Gigabit Ethernet over multimode or singlemode
fiber
3Com trunking technology interoperates with similar technology from
other vendors, including Sun Microsystems and Cisco Systems.