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CAUTION:
If the intermediate switch is in an IRF fabric, you must assign this fabric a different domain ID than the
LACP MAD-enabled IRF fabric.
# Create a dynamic aggregate interface.
<Sysname> system-view
[Sysname] interface bridge-aggregation 2
[Sysname-Bridge-Aggregation2] link-aggregation mode dynamic
[Sysname-Bridge-Aggregation2] quit
# Assign ports GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2 to the dynamic aggregate interface.
[Sysname] interface gigabitethernet 4/0/1
[Sysname-GigabitEthernet4/0/1] port link-aggregation group 2
[Sysname-GigabitEthernet4/0/1] quit
[Sysname] interface gigabitethernet 4/0/2
[Sysname-GigabitEthernet4/0/2] port link-aggregation group 2
5. When the IRF links fail, the system outputs error messages for detecting an IRF link and card failure.
#May 7 09:13:42:388 2010 HP STM/4/LINK STATUS CHANGE:
Trap 1.3.6.1.4.1.2011.10.2.91.6.0.1: Physical index of the member is 2, member ID is 1.
Link status of the IRF port with port index 1 and member ID 1 turned to 2.
#May 7 09:13:42:720 2010 HP DEVM/1/BOARD STATE CHANGES TO FAILURE:
Because the member ID of Device B is 2, when the MAD mechanism detects errors, the state of Device
B changes to recovery and all ports on Device B except for the reserved ones are shut down.
# If the master fails, log in to the console port of Device B and use the mad restore command to recover
Device B to active state and bring up disabled ports on the device.
<Sysname> system-view
[Sysname] mad restore
This command will restore the device from multi-active conflict state. Continue? [Y/N]:y
Restoring from multi-active conflict state, please wait...
[Sysname]
#May 7 09:23:16:050 2010 HP IFNET/4/INTERFACE UPDOWN:
Trap 1.3.6.1.6.3.1.1.5.4: Interface 277872640 is Up, ifAdminStatus is 1, ifOperStatus
is 1
%May 7 09:23:16:069 2010 HP IFNET/3/LINK_UPDOWN: GigabitEthernet2/3/0/2 link status is
UP.
#May 7 09:23:16:302 2010 HP LAGG/1/AggPortRecoverActive:
Trap 1.3.6.1.4.1.2011.5.25.25.2.4: Aggregation Group 1: port member 277872640 becomes
ACTIVE!
%May 7 09:23:16:322 2010 HP LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet2/3/0/1 of
aggregation group BAGG1 becomes ACTIVE.
%May 7 09:23:16:370 2010 HP IFNET/3/LINK_UPDOWN: Bridge-Aggregation2 link status is UP.
%May 7 09:23:16:381 2010 HP IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP.
%May 7 09:23:16:391 2010 HP IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface
Vlan-interface1 is UP.
The output information shows that Device B is restored. You can repair Device A and the IRF links.
# When Device A and IRF links are recovered, reboot Device A. Device B prompts that the IRF port is up
and a new card is inserted.
%May 7 09:30:12:122 2010 HP STM/6/STM_LINK_STATUS_UP:
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