HP 6125XLG R2306-HP 6125XLG Blade Switch IRF Configuration Guide - Page 16

ND MAD application scenario, If the domain IDs are the same

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Figure 8 ND MAD application scenario Customer premise network Device STP domain (all devices must run the spanning tree feature) IRF Master IRF link Subordinate Internet Common traffic path Extended ND traffic path Each IRF member device compares the domain ID and the active ID in incoming NS packets with its domain ID and active ID: • If the domain IDs are different, the NS packet is from a different IRF fabric, and the device does not continue to process the packet with the MAD mechanism. • If the domain IDs are the same, the device compares the active IDs: { If the active IDs are different, the IRF fabric has split. { If the active IDs are the same, the IRF fabric is integrated. 12

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12
Figure 8
ND MAD application scenario
Each IRF member device compares the domain ID and the active ID in incoming NS packets with its
domain ID and active ID:
•
If the domain IDs are different, the NS packet is from a different IRF fabric, and the device does not
continue to process the packet with the MAD mechanism.
•
If the domain IDs are the same, the device compares the active IDs:
{
If the active IDs are different, the IRF fabric has split.
{
If the active IDs are the same, the IRF fabric is integrated.
Device
Master
Subordinate
IRF
Internet
Customer
premise
network
IRF link
Common traffic path
Extended ND traffic path
STP domain (all devices
must run the spanning
tree feature)