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How to configure Virtual Switch Bonding (VSB) on 7100-series

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TitleHow to configure Virtual Switch Bonding (VSB) on 7100-series
Objective
Configuration of Virtual Switch Bonding (VSB) on two 7100-series switches 
 
Environment
  • 7100-Series
  • All firmware versions
  • VSB
Procedure
  • Basic configuration for bonding on 7100-series, noting that the system-id must match on all chassis:
7100 Switch#1:
set bonding chassis 1 system-id 1234
set bonding port fg.1.1 enable
set bonding port fg.1.2 enable
set bonding port tg.1.1 enable
set bonding lfr enable
set bonding mac 00-01-02-00-A1-01
set bonding enable

7100 Switch#2:
set bonding chassis 2 system-id 1234
set bonding port fg.1.1 enable
set bonding port fg.1.2 enable
set bonding port tg.1.1 enable
set bonding lfr enable
set bonding mac 00-01-02-00-A1-01
set bonding enable

 

  • The fg.1.1 and fg.1.2 ports are used for 40gb bonded ports, and the tg.1.1 port is used for the link failure response (LFR)
  • Configuring the system MAC address is recommended
  • Unique mac addresses are supported and by default is based off of lowest chassis MAC address, but this requires a master election process to take place which requires an additional reboot of the chassis when joined together or during replacement

 

Additional notes
  • Configure at least one FG port as a bonded port, or the chassis will not bond
  • 40GbE VSB stacking configured ports are always set as interconnect ports
  • 1 or 10 GbE VSB configured ports are always set as LFR monitor ports.
  • When stacking make sure that there are sufficient connections to avoid a split brain scenario of any multiple units go down
  • Make use of LFR to allow one unit to take over if such a condition occures

 

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