Brocade Network OS Administrator’s Guide v4.1.1 User Manual
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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
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
Simple Network Management Protocol overview....................................... 133
SNMP Manager...............................................................................133
SNMP Agent................................................................................... 133
Management Information Base (MIB)............................................. 133
Basic SNMP operation....................................................................134
Understanding MIBs........................................................................134
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
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
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
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