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SCG2013  |  Brocade VDX 6740 Switch Configuration Guide for Dell SC Series SANs 

2

 

Dell recommended switch configuration 

Follow these steps to configure two Brocade VDX 6740 switches. An optional Port Upgrade license is 
required to use the 40G uplinks. 

Note:

 The configuration steps in this section are only recommended when the switch is used as a 

dedicated SAN for iSCSI traffic (not shared with any other traffic type).  

2.1

 

Hardware configuration  

1.

 

Power on both switches. 

2.

 

Connect a serial cable to the management port. 

3.

 

Using any terminal utility, open a serial connection session to the switch. 

4.

 

Open your terminal emulator and configure it to use the serial port (usually COM1 but this may 
vary depending on your system). Configure serial communications for 9600,N,8,1 and no flow 
control. 

5.

 

Connect the cables between switch 1 and switch 2 as shown in Figure 1. This will be used as your 
Brocade LAG link.  
 

Note

: The below configuration steps assumes that the switch is configured with a unique Rbridge-id and 

VCS id. Refer to section 4 on how to change the Rbridge-id and VCS id of the switch. 

2.2

 

Delete startup configuration 

Note:

 This example assumes a switch at its default configuration settings. The 

copy default-config 

startup-config

 command sets the startup configuration file to its default settings. Always back up 

your configuration settings prior to performing any configuration changes. 

sw0# 

copy default-config startup-config

  

This operation will modify your startup configuration. Do you want to continue? 
[y/n]:

y

 

WARN: "reload system" is required to have configuration changes take effect! 

sw0# 

reload system

  

Warning: This operation will cause the chassis to reboot and  

requires all existing telnet, secure telnet and SSH sessions to be  

restarted. 

Are you sure you want to reboot the chassis [y/n]? 

y

 

Note:

 The switch will reboot. 

Summary of Contents for Brocade VDX 6740

Page 1: ...A Dell Deployment and Configuration Guide Brocade VDX 6740 Switch Configuration Guide for Dell SC Series SANs Dell Storage Engineering November 2015 ...

Page 2: ...OVIDED AS IS WITHOUT EXPRESS OR IMPLIED WARRANTIES OF ANY KIND 2015 Dell Inc All rights reserved Dell the DELL logo and the DELL badge are trademarks of Dell Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell disclaims any proprietary interest in the marks and names of others Date Description Novembe...

Page 3: ...on 6 2 2 Delete startup configuration 6 2 3 Configure Global LLDP settings to disable DCB 7 2 4 Disable Ethernet Fabric on edge ports 7 2 5 Enable Jumbo MTU 7 2 6 Enable Switchport 7 2 7 Enable link level flow control 802 3x 7 2 8 Configure Spanning tree on edge ports 8 2 9 Disable LLDP iSCSI priority on Switch Ports 8 2 10 Save configuration 8 2 11 Configure additional switch 8 3 Performance tuni...

Page 4: ...ask 1 2 Audience This switch configuration guide describes a verified configuration following Dell best practices for an SC Series iSCSI SAN and is intended for storage or network administrators and deployment personnel 1 3 Switch details Table 2 provides an overview of the switch configuration Table 2 Switch specifications Brocade VDX 6740 Switch vendor Brocade Switch model VDX 6740 Switch firmwa...

Page 5: ...DX 6740 Switch Configuration Guide for Dell SC Series SANs 1 4 Cabling diagram The cabling diagram shown below represents the Dell recommend method for deploying your servers and SC Series arrays Figure 1 Cabling diagram ...

Page 6: ...etween switch 1 and switch 2 as shown in Figure 1 This will be used as your Brocade LAG link Note The below configuration steps assumes that the switch is configured with a unique Rbridge id and VCS id Refer to section 4 on how to change the Rbridge id and VCS id of the switch 2 2 Delete startup configuration Note This example assumes a switch at its default configuration settings The copy default...

Page 7: ...net 1 0 1 48 sw0 conf if te 1 0 1 48 no fabric isl enable sw0 conf if te 1 0 1 48 no fabric trunk enable sw0 conf if te 1 0 1 48 exit 2 5 Enable Jumbo MTU sw0 config interface TenGigabitEthernet 1 0 1 48 sw0 conf if te 1 0 1 48 mtu 9216 sw0 conf if te 1 0 1 48 exit 2 6 Enable Switchport sw0 config interface TenGigabitEthernet 1 0 1 48 sw0 conf if te 1 0 1 48 switchport sw0 conf if te 1 0 1 48 swit...

Page 8: ...ort sw0 conf if te 1 0 1 48 exit 2 9 Disable LLDP iSCSI priority on Switch Ports sw0 config interface TenGigabitEthernet 1 0 1 48 sw0 conf if te 1 0 1 48 no lldp disable sw0 conf if te 1 0 1 48 no cee sw0 conf if te 1 0 1 48 no lldp iscsi priority sw0 conf if te 1 0 1 48 exit sw0 config exit 2 10 Save configuration switch copy running config startup config 2 11 Configure additional switch Repeat t...

Page 9: ...nce can be optimized by increasing TX and RX buffers per port per queue Optimal performance can be achieved when using a setting of 2MB for receive queue and 2MB for transmit queue per port The following instructions show how to configure the receive and transmit buffers sw0 configure Entering configuration mode terminal sw0 config rbridge id 1 sw0 config rbridge id 1 qos tx queue limit 2000 sw0 c...

Page 10: ... change is not required for the mode sw0 show vcs Config Mode Local Only VCS Mode Fabric Cluster VCS ID 1 Total Number of Nodes 1 Rbridge Id WWN Management IP VCS Status Fabric Status HostName 2 10 00 50 EB 1A 2D F2 64 77 77 77 77 Online Online sw0 sw0 vcs vcsid 2 This operation will change the configuration to default and reboot the switch Do you want to continue y n y Note The switch will reboot...

Page 11: ...out Dell products and your installations Referenced or recommended Dell publications Dell EqualLogic Configuration Guide http en community dell com techcenter storage w wiki equallogic configuration guide aspx Dell Storage Compatibility Matrix http en community dell com techcenter storage w wiki 5069 dell storage compatibility matrix For SC Series best practices white papers reference architecture...

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