H3C Technologies H3C S10500 Series Switches - Manual (Page 39)

[Sysname-GigabitEthernet2/4/0/2] port link-aggregation group 2
4. Configure Device C as the intermediate switch
Device C needs to act as the intermediate switch to forward and process extended LACPDUs exchanged
between Device A and Device B for MAD detection.
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 H3C STM/4/LINK STATUS CHANGE:
Trap 1.3.6.1.4.1.2011.10.2.91.6.0.1<h3cStackPortLinkStatusChange>: 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 H3C 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 H3C IFNET/4/INTERFACE UPDOWN:
Trap 1.3.6.1.6.3.1.1.5.4<linkUp>: Interface 277872640 is Up, ifAdminStatus is 1,
ifOperStatus is 1
%May 7 09:23:16:069 2010 H3C IFNET/3/LINK_UPDOWN: GigabitEthernet2/3/0/2 link status is
UP.
#May 7 09:23:16:302 2010 H3C LAGG/1/AggPortRecoverActive:
Trap 1.3.6.1.4.1.2011.5.25.25.2.4<hwAggPortActiveNotification>: Aggregation Group 1:
port member 277872640 becomes ACTIVE!
%May 7 09:23:16:322 2010 H3C LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet2/3/0/1 of
aggregation group BAGG1 becomes ACTIVE.
%May 7 09:23:16:370 2010 H3C IFNET/3/LINK_UPDOWN: Bridge-Aggregation2 link status is UP.
%May 7 09:23:16:381 2010 H3C IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP.
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