ISC

  • 0
  • 1
  • Question
  • Updated 7 months ago
  • Answered
During ISC creation can we create of other VLAN trunk ? Suppose i have 5 vlan's on switch-1 and we create ISC link between Switch-1 and Switch-2, then should i make traunk to all vlan on ISC port?
Photo of Alok Shukla

Alok Shukla

  • 944 Points 500 badge 2x thumb

Posted 7 months ago

  • 0
  • 1
Photo of Hagemann, Olaf

Hagemann, Olaf, Employee

  • 1,306 Points 1k badge 2x thumb
All the VLANs have to be on both switches AND the ISC.
Photo of Sushruth Sathyamurthy

Sushruth Sathyamurthy, Employee

  • 784 Points 500 badge 2x thumb
Photo of Grosjean, Stephane

Grosjean, Stephane, Employee

  • 12,784 Points 10k badge 2x thumb
Logically, the two MLAG peers are a single virtual switch. So they need to share the same VLANs and have them in their interconnection link (ISC). This will be used as a backup path if a link toward a dual attached end-system fails.