HP 6125G HP 6125G & 6125G/XG Blade Switches IRF Configuration Guide-R2 - Page 30

Excluding a port from the shutdown action upon detection of multi-active collision

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Step 6. Assign the port or the range of ports to the ARP MAD VLAN. Command • Assign the port to the VLAN as an access port: port access vlan vlan-id • Assign the port to the VLAN as a trunk port: port trunk permit vlan vlan-id • Assign the port to the VLAN as a hybrid port: port hybrid vlan vlan-id { tagged | untagged } Remarks Choose one command depending on the port type. ARP MAD has no requirement for the link type. The default link type of a port is access. 7. Return to system view. quit N/A 8. Enter VLAN interface view. interface vlan-interface interface-number N/A 9. Assign the interface an IP address. ip address ip-address { mask | mask-length } By default, no IP address is assigned to any VLAN interface. 10. Enable ARP MAD. mad arp enable By default, ARP MAD is disabled. Excluding a port from the shutdown action upon detection of multi-active collision CAUTION: Excluding a VLAN interface and its Layer 2 ports from the shutdown action introduces IP collision risks because the VLAN interface might be active on both the IRF fabric in Active state and the IRF fabric in Recovery state. When the IRF fabric transits to the Recovery state, all ports but the console and physical IRF ports by default automatically shut down. You can exclude a port from the shutdown action for management or other special purposes. For example: • Exclude a port from the shutdown action, so you can Telnet to the port for managing the switch. • Exclude a VLAN interface and its Layer 2 ports from the shutdown action, so you can log in through the VLAN interface. To configure a port to not shut down when the IRF fabric transits to the recovery state: Step 1. Enter system view. Command system-view 2. Configure a port to not shut down when the IRF fabric mad exclude interface interface-type transits to the Recovery state. interface-number Remarks N/A By default, when an IRF fabric transits to the Recovery state, all its network ports but the IRF physical ports and console port are shut down. 26

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26
Step
Command
Remarks
6.
Assign the port or the range
of ports to the ARP MAD
VLAN.
•
Assign the port to the VLAN as an
access port:
port access vlan
vlan-id
•
Assign the port to the VLAN as a
trunk port:
port trunk permit vlan
vlan-id
•
Assign the port to the VLAN as a
hybrid port:
port hybrid vlan
vlan-id
{
tagged
|
untagged
}
Choose one command
depending on the port type.
ARP MAD has no requirement
for the link type.
The default link type of a port is
access.
7.
Return to system view.
quit
N/A
8.
Enter VLAN interface view.
interface
vlan-interface
interface-number
N/A
9.
Assign the interface an IP
address.
ip address
ip-address
{
mask
|
mask-length
}
By default, no IP address is
assigned to any VLAN interface.
10.
Enable ARP MAD.
mad arp enable
By default, ARP MAD is
disabled.
Excluding a port from the shutdown action upon detection of
multi-active collision
CAUTION:
Excluding a VLAN interface and its Layer 2 ports from the shutdown action introduces IP collision risks
because the VLAN interface might be active on both the IRF fabric in Active state and the IRF fabric in
Recovery state.
When the IRF fabric transits to the Recovery state, all ports but the console and physical IRF ports by
default automatically shut down.
You can exclude a port from the shutdown action for management or other special purposes. For
example:
•
Exclude a port from the shutdown action, so you can Telnet to the port for managing the switch.
•
Exclude a VLAN interface and its Layer 2 ports from the shutdown action, so you can log in through
the VLAN interface.
To configure a port to not shut down when the IRF fabric transits to the recovery state:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Configure a port to not shut
down when the IRF fabric
transits to the Recovery state.
mad exclude interface
interface-type
interface-number
By default, when an IRF fabric
transits to the Recovery state, all
its network ports but the IRF
physical ports and console port
are shut down.