Configuration Guide User guide

FastIron Configuration Guide xix
53-1002494-02
Link Fault Signaling for 10Gbps Ethernet devices . . . . . . . . . . . . .604
Jumbo frame support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .606
Chapter 17 Metro Features
Topology groups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .607
Master VLAN and member VLANs . . . . . . . . . . . . . . . . . . . . . .608
Control ports and free ports . . . . . . . . . . . . . . . . . . . . . . . . . . .608
Topology group configuration considerations . . . . . . . . . . . . .608
Configuring a topology group . . . . . . . . . . . . . . . . . . . . . . . . . .609
Displaying topology group information . . . . . . . . . . . . . . . . . . .610
Metro Ring Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .611
Metro Ring Protocol configuration notes . . . . . . . . . . . . . . . . .613
MRP rings without shared interfaces (MRP Phase 1) . . . . . . .613
MRP rings with shared interfaces (MRP Phase 2). . . . . . . . . .614
Ring initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .616
How ring breaks are detected and healed . . . . . . . . . . . . . . . .621
Master VLANs and customer VLANs. . . . . . . . . . . . . . . . . . . . .623
Metro Ring Protocol configuration . . . . . . . . . . . . . . . . . . . . . .625
Metro Ring Protocol diagnostics . . . . . . . . . . . . . . . . . . . . . . . .628
Displaying MRP information . . . . . . . . . . . . . . . . . . . . . . . . . . .629
MRP CLI example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .631
VSRP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .633
VSRP configuration notes and feature limitations. . . . . . . . . .634
Layer 2 and Layer 3 redundancy . . . . . . . . . . . . . . . . . . . . . . .635
Master election and failover . . . . . . . . . . . . . . . . . . . . . . . . . . .635
VSRP-aware security features . . . . . . . . . . . . . . . . . . . . . . . . . .639
VSRP parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .640
Configuring basic VSRP parameters. . . . . . . . . . . . . . . . . . . . .642
Configuring optional VSRP parameters . . . . . . . . . . . . . . . . . .643
Displaying VSRP information. . . . . . . . . . . . . . . . . . . . . . . . . . .651
VSRP fast start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .654
VSRP and MRP signaling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .656
Chapter 18 Power over Ethernet
Power over Ethernet overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . .659
Power over Ethernet terms used in this chapter . . . . . . . . . . .660
Methods for delivering Power over Ethernet . . . . . . . . . . . . . .660
PoE autodiscovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .662
Power class. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .662
Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .663
Dynamic upgrade of PoE power supplies. . . . . . . . . . . . . . . . .663
Power over Ethernet cabling requirements . . . . . . . . . . . . . . .665
Supported powered devices . . . . . . . . . . . . . . . . . . . . . . . . . . .665
Installing PoE firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .666
PoE and CPU utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .668
Enabling and disabling Power over Ethernet. . . . . . . . . . . . . . . . . .669
Disabling support for PoE legacy power-consuming devices . . . . .669