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How to configure BUM control on VPLS/VLL end point on MLXe?

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TitleHow to configure BUM control on VPLS/VLL end point on MLXe?
Question
How to configure BUM control on VPLS/VLL end point on MLXe?
 
Environment
  • MLXe/MLX/XMR
  • Netiron OS
  • MPLS VPLS/VLL
  • Network topology shown below:
User-added image
Answer
BUM rate-limit can be configured in two ways:

1.  Configure BUM
rate-limit on VPLS interface:

 
interface ethernet 1/2 
 enable
 rate-limit input broadcast multicast 97728 10000 include-control shutdown 3 alert 80000 10000
 rate-limit input unknown-unicast 97728 10000 alert 80000 10000

2.  Configure BUM rate-limit under vpls-policy:
 
router mpls
 vpls-policy
  cpu-broadcast-limit 50000
  cpu-multicast-limit 50000
  cpu-unknown-unicast-limit 50000 



 
Additional notes
Command usage:  rate-limit input broadcast multicast <average rate> <max burst> include-control shutdown <port-shutdown time> alert <max watermark> <min watermark>

Notes:
  • average rate is configured in bits/sec
  • max burst is configured in bits
  • port-shutdown time is configured in minutes
  • max watermark is configured in bits/sec
  • min watermark is configured in bits/sec

Verification commands:

show commands to check the rate-limiting statistics include :


show rate-limit interface 1/2
show rate-limit counters interface 1/2
show rate-limit counters bum-drop



 

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