Administrator's Guide v4.1.1 Manual

Upgrading firmware by using the manual option.............................118
Downloading firmware by using the default-config option...............119
Monitoring and verifying a firmware download session.................. 119
Upgrading firmware in Brocade fabric cluster mode................................... 120
Upgrading firmware in Brocade logical chassis cluster mode.....................120
Verifying firmware download in logical chassis cluster mode......... 122
Upgrading and downgrading firmware within a VCS Fabric....................... 122
Tested topology...............................................................................123
Upgrading nodes by using an odd/even approach......................... 125
Preparing for the maintenance window...........................................125
Optimizing reconvergence in the VCS Fabric................................. 128
Maintaining the VCS Fabric............................................................ 129
Understanding traffic outages......................................................... 130
Restoring firmware in the VCS Fabric.............................................131
Downgrading firmware in the VCS Fabric.......................................132
Configuring SNMP.............................................................................................................. 133
Simple Network Management Protocol overview....................................... 133
SNMP Manager...............................................................................133
SNMP Agent................................................................................... 133
Management Information Base (MIB)............................................. 133
Basic SNMP operation....................................................................134
Understanding MIBs........................................................................134
SNMP configuration.................................................................................... 139
Configuring SNMP community strings............................................ 139
Configuring SNMP server hosts......................................................140
Configuring multiple SNMP server contexts....................................142
Configuring password encryption for SNMPv3 users..................... 142
Displaying SNMP configurations.....................................................142
Configuring Brocade VCS Fabrics ....................................................................................... 145
Fabric overview...........................................................................................145
Brocade VCS Fabric formation....................................................... 145
How RBridges work.........................................................................146
Neighbor discovery......................................................................... 146
Brocade trunks................................................................................147
Fabric formation.............................................................................. 147
Fabric routing protocol ................................................................... 148
Configuring a Brocade VCS Fabric.............................................................148
Adding a new switch into a fabric....................................................150
Configuring fabric interfaces........................................................... 150
Configuring broadcast, unknown unicast, and multicast
forwarding..................................................................................151
Configuring VCS virtual IP addresses.............................................153
Configuring fabric ECMP load balancing........................................ 154
Configuring Metro VCS........................................................................................................157
Metro VCS overview................................................................................... 157
Metro VCS using long-distance ISLs.............................................. 158
Metro VCS using standard-distance ISLs....................................... 161
Metro VCS and distributed Ethernet vLAGs................................... 162
Configuring a Metro VCS port.....................................................................164
Configuring Distributed Ethernet Fabrics using vLAG................................ 165
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Network OS Administrator’s Guide
53-1003225-04