On an Alcatel-Lucent 7750 SR, why must the MTU be explicitly set when configuring an IES spoke termination to a VPLS?

Question

Options

• ABy default, a VPLS signals an MTU based on the network port.
• BBy default, an IES sets its ip-mtu to the VC MTU of the VPLS.
• CBy default, an IES uses an MTU value based on its SAP.
• DBy default, an IES uses an MTU based on the network port.

• A
  5% (3)
• B
  8% (5)
• C
  3% (2)
• D
  84% (54)

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