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Technical Specifications for the Catalyst 2980G-A Switch
Standard Network Protocols
• Ethernet: IEEE 802.3, 10BaseT
• Fast Ethernet: IEEE 802.3u, 100BaseTX
• Gigabit Ethernet: IEEE 802.3z, IEEE 802.3x
• IEEE 802.1D Spanning-Tree Protocol
• IEEE 802.1w rapid reconfiguration of spanning tree
• IEEE 802.1s multiple VLAN instances of spanning tree
• IEEE 802.3ad Link Aggregation Control Protocol (LACP)
• IEEE 802.1p class-of-service (CoS) prioritization
• IEEE 802.1Q VLAN
• IEEE 802.1x user authentication
• 1000BaseX (GBIC)
– 1000BaseSX
– 1000BaseLX/LH
– 1000BaseZX
Network Management
• CiscoWorks2000 Network Management Suite, Resource Manager Essentials includes:
– Inventory Manager
– Change Audit
– Device Configuration Manager
– Software Image Manager
– Availability Manager
– Syslog Analyzer
– Cisco Management Connection
Table 1 Gigabit Ethernet Link Distances
Fiber Core: 62.5 um MM 62.5 um MM 50 um MM 50 um MM 9/10 um SM
Fiber Modal
Bandwidth
160/500
MHz-km
200/500
MHz-km
400/400
MHz-km
500/500
MHz-km
N/A
1000BaseSX 220m 275m 500m 550m N/A
1000BaseLX/LH
1
1. Cisco 1000BaseLX/LHinterfaces fullycomply withthe IEEE802.3z1000BaseLX standard.However, theirhigher qualityof opticsallows themto reach10 kmover
single-mode fiber vs. the 5 km specified standard.
550m 50m 550m 550m 10km
1000BaseZX N/A N/A N/A N/A 80-100 km