Configuring Irf Bridge Mac Persistence - HP 7500 series Configuration Manual

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Configuration prerequisites
You have bound at least one physical port to the IRF port.
Configuring the global load sharing mode
Step
1.
Enter system view.
2.
Configure the global IRF
link load sharing mode.
Configuring port-specific load sharing criteria
Step
1.
Enter system view.
2.
Enter IRF port view.
3.
Configure
port-specific
sharing mode.

Configuring IRF bridge MAC persistence

An IRF fabric by default uses the bridge MAC address of the master switch as its bridge MAC address.
This bridge MAC address is used by Layer 2 protocols, for example, LACP, to identify the IRF fabric, and
must be unique on a switched LAN for proper communication.
To avoid duplicate bridge MAC addresses, an IRF fabric can automatically change its bridge MAC
address after its master leaves, but the change can cause transient traffic disruption.
Depending on your network condition, enable the IRF fabric to preserve or change its bridge MAC
address after the master leaves. Available options include:
irf mac-address persistent timer—Bridge MAC address of the IRF fabric is retained for six minutes
after the master leaves. If the master does not return before the timer expires, the IRF fabric uses the
bridge MAC address of the new master as its bridge MAC address. This option avoids unnecessary
bridge MAC address change due to a device reboot, transient link failure, or purposeful link
disconnection.
irf mac-address persistent always—Bridge MAC address of the IRF fabric does not change after
the master leaves.
Command
system-view
irf-port load-sharing mode
{ destination-ip | destination-mac |
ingress-port | source-ip | source-mac } *
Command
system-view
irf-port member-id/port-number
irf-port load-sharing mode { destination-ip
the
load
| destination-mac | ingress-port |
source-ip | source-mac } *
23
Remarks
N/A
By default, the switch uses source
and destination MAC addresses
for Layer 2 traffic load sharing,
source and destination IP
addresses for Layer 3 traffic load
sharing, and source and
destination ports for Layer 4
traffic load sharing.
Remarks
N/A
N/A
By default, the switch uses
source and destination MAC
addresses for Layer 2 traffic load
sharing, source and destination
IP addresses for Layer 3 traffic
load sharing, and source and
destination ports for Layer 4
traffic load sharing.

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