Cisco Systems DSC9148D8G48PK9 manual Information About Interface Buffers

Contents

	Verifying Fibre Channel Interfaces Configuration		3-43
	Displaying Interface Capabilities 3-44
	Displaying SFP Diagnostic Information		3-45
	Configuration Examples for Fibre Channel Interfaces 3-45
	Configuration Example for 48-Port8-Gbps Module Interfaces			3-46
	Configuration Example for 24-Port8-Gbps Module Interfaces			3-46
	Configuration Example for 4/44-Port8-Gbps Module Interfaces			3-47
	Configuration Example for 48-Port4-Gbps Module Interfaces			3-48
	Configuration Example for 24-Port4-Gbps Module Interfaces			3-49
	Configuring Interface Buffers
C H A P T E R 4		4-1
	Information About Interface Buffers 4-1
	Buffer-to-Buffer Credits	4-1
	Performance Buffers	4-2
	Buffer Pools 4-2

BB_Credit Buffers for Switching Modules 4-5
Configuring Buffer Credits on a Generation 2, Generation 3 or Generation 4 Module 4-5
48-Port8-Gbps Advanced Fibre Channel Module BB_Credit Buffers 4-6
48-Port8-Gbps Fibre Channel Module BB_Credit Buffers	4-7
24-Port8-Gbps Fibre Channel Module BB_Credit Buffers	4-8
4/44-Port8-GbpsHost-Optimized Fibre Channel Module BB_Credit Buffers 4-9
48-Port4-Gbps Fibre Channel Module BB_Credit Buffers	4-10
24-Port4-Gbps Fibre Channel Module BB_Credit Buffers	4-12

18-Port Fibre Channel/4-Port Gigabit Ethernet Multiservice Module BB_Credit Buffers 4-13

12-Port4-Gbps Switching Module BB_Credit Buffers	4-13
4-Port10-Gbps Switching Module BB_Credit Buffers	4-15
BB_Credit Buffers for Fabric Switches 4-16
Cisco MDS 9148 Fabric Switch BB_Credit Buffers	4-16
Cisco MDS 9134 Fabric Switch BB_Credit Buffers	4-16
Cisco MDS 9124 Fabric Switch BB_Credit Buffers	4-17
Cisco MDS 9222i Multiservice Modular Switch BB_Credit Buffers 4-17
Extended BB_Credits 4-17

Extended BB_credits on Generation 1 Switching Modules 4-18

Extended BB_credits on Generation 2 and Generation 3 Switching Modules 4-19

Buffer-to-Buffer Credit Recovery 4-20

Buffer-to-Buffer State Change Number		4-20
Receive Data Field Size	4-21
Configuring Interface Buffers	4-21
Configuring Buffer-to-Buffer Credits		4-21
	Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide
OL-29284-01, Release 6.x			vii