Alcatel-Lucent OS6450-24 User's Guide Page 96
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Using Saved Slot Information
The saved slot number is the slot number the switch will assume following a reboot. This information is
stored in a switch’s boot.slot.cfg file; the switch reads its slot number assignment from this file at bootup
and assumes the specified slot number within the stack.
If switches in a stacked configuration have no preconfigured slot assignments, the slot number for each
switch is dynamically assigned by the system software. Slot numbers can also be manually assigned by the
user. For more information on manually assigning slot numbers, refer to “Manual Slot Number Assign-
ment” on page 6-23.
When a stack with preconfigured slot information is booted, it is not the lowest MAC address that deter-
mines the primary management module. Instead, the slot information stored in each switch’s boot.slot.cfg
is read by the system software and used in determining the primary. The switch with the lowest saved slot
number becomes the primary management module.
Note. Although, for ease-of-management purposes, it is recommended that slot numbers are assigned
beginning with slot number 1, it is not a requirement. In other words, a stack of four switches can have slot
assignments 3, 4, 5, and 6. However, it is important that each element in a stack is assigned a unique slot
number. Do not assign duplicate slot numbers to elements in a stack. Otherwise, one or more switches will
be forced into pass-through mode. For more information on pass-through mode, refer to page 6-13.
For more information on using saved slot information to determine the primary switch in a stack, refer to
the diagram below:
Primary Management Module Selection Using Saved Slot Information
Slot 6
Slot 5
Slot 4
Primary: Slot 3
Assumes Slot 6
Assumes Slot 5
Assumes Slot 4
Assumes Slot 3
Saved Slot 6
Four OmniSwitch 6450 switches are stacked; all
switches are connected via stacking cables. The user
configures each switch to have a unique saved slot
number. When each saved slot number is configured,
the information is automatically
written to the boot.slot.cfg file located in the /flash
directory of each switch.
The user reloads all the elements in the stack
either by issuing the reload all command or by
physically powering off and then powering on all
switches.
Instead of assigning the primary management
module based on the lowest MAC address, the
system software reads the slot information from
each switch’s boot.slot.cfg file during the boot
process. The switches in the stack come up
using their assigned slot numbers.
The switch with the lowest assigned slot number
automatically assumes the primary management role.
In this case, the switch assigned slot 3 has the lowest
slot number in the stack and becomes the primary
management module.
1
2
3
4
Saved Slot 5
Saved Slot 4
Saved Slot 3
Reload
- OmniSwitch 6450 Hardware 1
- Users Guide 1
- Contents 3
- About This Guide 9
- Who Should Read this Manual? 10
- What is in this Manual? 10
- What is Not in this Manual? 10
- Documentation Roadmap 11
- Related Documentation 13
- Technical Support 14
- Documentation Feedback 14
- 1 OmniSwitch 6450 Switches 15
- Chassis Configurations 16
- Security Features 17
- Availability Features 17
- Software Rollback 18
- Hot Swapping 18
- Hardware Monitoring 18
- 2 OmniSwitch 6450 19
- Chassis and Hardware 19
- Components 19
- OmniSwitch 6450-10 20
- OmniSwitch 6450-10 Rear Panel 21
- OmniSwitch 6450-P10 23
- OmniSwitch 6450-24 26
- OmniSwitch 6450-48 32
- OmniSwitch 6450-48 Rear Panel 33
- OmniSwitch 6450-P48 35
- OmniSwitch 6450-U24 38
- LED Status 41
- Expansion Modules 42
- OS6450-XNI-U2 43
- Internal Backup Power 44
- Supplies 44
- Installing Power Supplies 46
- Completed Installation 47
- Removing Power Supplies 48
- AC Power Cords 50
- Console Port 51
- Port Pinouts 52
- Overtemp Condition 53
- Dying Gasp 54
- Link OAM PDU 55
- 3 Mounting 57
- OmniSwitch 6450 Switches 57
- Airflow Recommendations 58
- Reduced Air Flow 59
- Mechanical Loading 60
- Circuit Overloading 60
- Reliable Earthing 60
- Table-Mounting Installation 60
- Slide chassis together 64
- Bracket Plate and Screws 64
- Rack-mounting Two Chassis 65
- Rack Mounting Steps 67
- Rack Mounting Power Supplies 69
- Chassis Connector 70
- Power Supply Connector 70
- AC Power Supply Connections 71
- 4 Booting 73
- Monitoring the Chassis 76
- • Ethernet Port LEDs 77
- • System Status LEDs 77
- • Combo Port Status LEDs 77
- 5 Managing Power over 79
- Ethernet (PoE) 79
- Power over Ethernet Defaults 82
- PoE Class Detection 83
- -> lanpower 1/1 power 3000 84
- -> lanpower 1 maxpower 40 84
- Setting Port Priority Levels 85
- Disabling Priority Disconnect 86
- Enabling Priority Disconnect 86
- 6 Managing 89
- OmniSwitch 6450 Stacks 89
- Swapping Expansion Modules 91
- OmniSwitch 6450-10 Mode 91
- Roles Within the Stack 92
- Using the Chassis MAC Address 95
- Using Saved Slot Information 96
- Using Switch Uptime 97
- • Saved slot number 98
- Idle Module Role 100
- Pass-Through Mode 101
- Stack Cabling 105
- Tokens available : 31 107
- Tokens used : 1 107
- Slot 1 - Primary 109
- Slot 2 - Secondary 109
- Slot 3 - Idle 109
- Slot 4 - Idle 109
- -> reload ni 3 119
- -> reload all 120
- Avoiding Split Stacks 122
- Monitoring the Stack 126
- Management Modules 127
- A Regulatory Compliance 129
- (Circuit Modules) 130
- Statement 132
- Standards Compliance 133
- FCC Class A, Part 15 134
- Canada Class A Statement 134
- CISPR22 Class A Warning 134
- Translated Safety Warnings 136
- Power Disconnection Warning 137
- Wrist Strap Warning 140
- Clase de seguridad 142
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