
Installation requirements...................................................................53
Tool requirements and parts list........................................................53
Installation procedure for flush mounting.......................................... 54
Installation procedure for mid-mounting the switch...........................58
Standalone installation .................................................................................62
Verifying operation........................................................................................ 63
Initial Configuration.............................................................................................................. 65
Configuration overview..................................................................................65
Establishing a serial connection....................................................................65
Assigning permanent passwords ................................................................. 66
Changing the default account passwords ........................................ 66
Configuring the device IP address................................................................ 67
Using DHCP to set the IP address....................................................67
Setting a static IP address................................................................ 67
Stateless IPv6 autoconfiguration...................................................... 68
Setting stateless IPv6 autoconfiguration...........................................68
Changing the RBridge ID.............................................................................. 68
Changing the VCS ID....................................................................................69
Setting the date and time ............................................................................. 70
Time zones........................................................................................70
Time synchronization........................................................................ 70
Synchronizing local time using NTP..................................................70
Setting the clock (date and time) manually....................................... 71
Setting the time zone........................................................................ 71
Network device connections......................................................................... 71
Ethernet or Fast Ethernet hubs.........................................................72
Workstations, servers, or routers...................................................... 72
Network device..................................................................................72
Testing connectivity...........................................................................72
Operation............................................................................................................................. 73
Interpreting LED activity................................................................................73
LED locations....................................................................................73
Port-side LED patterns......................................................................76
Non-port-side LED patterns for VDX 6940-36Q................................78
Non-port-side LED patterns for VDX 6940-144S.............................. 79
POST and boot specifications.......................................................................81
POST................................................................................................ 81
Boot...................................................................................................81
Interpreting POST results..............................................................................82
Diagnostic tests.............................................................................................82
Device management..................................................................................... 83
Powering off the device.................................................................................83
Thermal operations....................................................................................... 83
Removal and Replacement Procedures................................................................................. 85
Before beginning replacement ..................................................................... 85
VDX 6940-36Q FRU replacement.................................................................86
Determining the need to replace a power supply..............................87
Time and items required to replace a power supply......................... 87
Power supply replacement................................................................87
Determining the need to replace a fan assembly..............................92
Time and items required to replace a fan assembly......................... 93
Replacing a fan assembly.................................................................93
4Brocade VDX 6940 Hardware Installation Guide
53-1003495-02