9
Q.
Does an SR6600 IRF fabric support multichassis Ethernet link aggregation?
A.
Yes.
Q.
Can I set up an IRF connection that has multiple links?
A.
Yes, you can bind multiple physical links into one IRF connection. These links aggregate
automatically. You do not need to create a link aggregation group as you do for creating an Ethernet
link aggregation.
Q.
Can IRF member chassis use duplicate member IDs?
A.
No. You must assign a unique IRF member ID to each member chassis before setting up an IRF
fabric. If a chassis has different member IDs on its active MPU and standby MPU, the standby MPU
will reboot automatically with the member ID on the active MPU.
Q.
Can I use an intermediate device to connect IRF physical interfaces?
A.
No. To ensure the network stability, use fibers or cables to directly connect the IRF physical
interfaces. No intermediate device is allowed for IRF connection.
Q.
What physical interfaces can be used for IRF connection?
A.
Only fixed ports on interface modules can be used as IRF physical interfaces.
Q.
Can I remove both the MPUs in a subordinate chassis?
A.
No. Each subordinate chassis must have an MPU to communicate with the global active MPU and
manage forwarding on the local chassis. If you remove both the MPUs on a subordinate chassis, its
interface modules cannot communicate with each other to forward cross-module traffic correctly.
For an SR6600 IRF fabric, if you remove both the MPUs on a subordinate chassis, the IRF fabric
splits.
Q.
Are there any requirements for the intermediate device in LACP MAD?
A.
When you configure LACP MAD, make sure the intermediate device meets the following
requirements:
•
The intermediate device is a Comware-based H3C device that can process the LACPDUs that
convey the ActiveID field for MAD.
•
If the intermediate device is also an IRF fabric, assign the two IRF fabrics different domain IDs
for correct split detection.
Q.
Why are service interfaces that were shut down by MAD still down after an IRF merge?
A.
If you reboot the active fabric instead of the recovery IRF fabric to complete an IRF merge, the
service interfaces that were shut down by MAD cannot be restored automatically. You must use
the
mad restore
command to restore their original physical state.
To avoid this issue, reboot the recovery IRF fabric instead of the active IRF fabric to complete an
IRF merge.
