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Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 22 Configuring Generation 2 and Generation 3 Switching Modules
Default Settings
Default Settings
Table 22-22 lists the default settings for Generation 2 interface parameters.
Table 22-23 lists the default settings for Generation 3 interface parameters.
Table 22-22 Default Generation 2 Interface Parameters
Parameter
Default
48-Port 4-Gbps
Switching Module
24-Port 4-Gbps
Switching Module
12-Port 4-Gbps
Switching Module
4-Port 10-Gbps
Switching Module
Speed mode auto
1
1. Auto speed mode on the 4-Gbps switching modules enables autosensing and negotiates to a maximum speed of 4 Gbps.
auto
1
auto
1
auto
2
2. The 4-port 10-Gbps switching module only supports 10-Gbps traffic.
Rate mode shared shared dedicated dedicated
Port mode Fx Fx auto
3
3. Auto port mode on the 12-port 4-Gbps switching module interfaces can operate in E port mode, TE port mode, and Fx port
mode.
auto
4
4. Auto port mode on the 4-port 10-Gbps switching module interfaces can operate in E port mode, TE port mode, and F port
mode.
BB_credit
buffers
16 16 250 250
Performance
buffers
––145
5
5. Performance buffers are shared among all ports on the module.
145
5
Table 22-23 Default Generation 3 Interface Parameters
Parameter
Default
48-Port 8-Gbps
Switching Module
24-Port 8-Gbps
Switching Module
4/44-Port 8-Gbps
Host-Optimized Switching
Module
Speed mode auto
1
1. Auto speed mode on the 8-Gbps switching modules enables autosensing and negotiates to a maximum speed of 8 Gbps.
auto
1
auto_max_4G
2
2. Auto_max_4G speed mode on the 4/44-port 8-Gbps switching module negotiates to a maximum speed of
4 Gbps.
Rate mode shared shared shared
Port mode Fx Fx Fx
BB_credit buffers 32 32 32
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