Cisco Nexus 7000 Series Configuration Manual page 125

Configuring Rapid PVST+ Using Cisco NX-OS
Parameters
Port/VLAN priority
Path-cost calculation method
Port/VLAN cost
Hello time
Forward delay time
Maximum aging time
Link type
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
Default Settings for Rapid PVST+
Default
128.
Short.
Auto
The default port cost is determined by the media speed
and path-cost method calculation, as follows:
• 10 Mbps:
◦ short: 100
◦ long: 2,000,000
• 100 Mbps:
◦ short: 19
◦ long: 200,000
• 1 Gigabit Ethernet:
◦ short: 4
◦ long: 20,000
• 10 Gigabit Ethernet:
◦ short: 2
◦ long: 2,000
2 seconds.
15 seconds.
20 seconds.
Auto
The default link type is determined by the duplex, as
follows:
• Full duplex: point-to-point link
• Half duplex: shared link
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