Brocade Access Gateway Administrator's Guide Supporting Fabric OS v7.0.0 (53-1002156-01, April 2011)

Access Gateway Administrator’s Guide vii
53-1002156-01
Device Load Balancing policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Enabling the Device Load Balancing policy . . . . . . . . . . . . . . . .42
Disabling the Device Load Balancing policy. . . . . . . . . . . . . . . .42
Device Load Balancing policy considerations . . . . . . . . . . . . . . 42
Persistent ALPA policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Enabling the Persistent ALPA policy . . . . . . . . . . . . . . . . . . . . . .43
Disabling the Persistent ALPA policy. . . . . . . . . . . . . . . . . . . . . .44
Persistent ALPA device data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Clearing ALPA values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Persistent ALPA policy considerations . . . . . . . . . . . . . . . . . . . . 45
Failover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Failover with port mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Failover with device mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Enabling and disabling the Failover policy on an N_Port . . . . .48
Enabling and disabling the Failover policy for a port group . . .49
Upgrade and downgrade considerations for the Failover
policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Failback policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Failback policy configurations in Access Gateway. . . . . . . . . . . 50
Enabling and disabling the Failback policy on an N_Port . . . . 51
Enabling and disabling the Failback policy for a port group . . . 51
Upgrade and downgrade considerations for the Failback
policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Failback policy disable on unreliable links. . . . . . . . . . . . . . . . . 51
Trunking in Access Gateway mode. . . . . . . . . . . . . . . . . . . . . . . . . . .52
How trunking works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Configuring trunking on the edge switch . . . . . . . . . . . . . . . . . .53
Configuration management for trunk areas . . . . . . . . . . . . . . .54
Enabling trunking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Disabling F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Monitoring trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Trunking considerations for the Edge switch . . . . . . . . . . . . . . .56
Trunking considerations for Access Gateway mode . . . . . . . . .59
Upgrade and downgrade considerations for trunking in
Access Gateway mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Adaptive Networking on Access Gateway . . . . . . . . . . . . . . . . . . . . .60
QoS: Ingress rate limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
QoS: SID/DID traffic prioritization. . . . . . . . . . . . . . . . . . . . . . . .60
Upgrade and downgrade considerations for Adaptive
Networking in AG mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Adaptive Networking on Access Gateway considerations . . . . . 61
Per-Port NPIV login limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Setting the login limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Advanced Performance Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . .62
End to End monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Frame monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Limitations for using APM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64