device(config-lbif-1)# exit
device(config)# snmp-server trap-source loopback 1
The commands in this example congure loopback interface 1, assign IP address 10.00.1/24 to the loopback interface, then designate
the interface as the SNMP trap source for this device. Regardless of the port the Brocade device uses to send traps to the receiver, the
traps always arrive from the same source IP address.
Syntax: [no] snmp-server trap-source { ethernet unit / slot / port | loopback num | venum }
Conguring delay time for notifying VE down event
When all the ports in the VLAN go into an inactive state (for example, the non-forwarding state), the device noties the Layer 3 protocols
of the VE down event only after the congured timer expires. Once the timer expires, the device checks if any of the ports is in the
forwarding state. If no ports are in the forwarding state, the device noties the Layer 3 protocols of the VE down event. If any of the ports
is in the forwarding state, the device ignores the down event.
While the timer is running, if any of the ports comes into forwarding state, the device cancels the timer and does not notify the VE down
event to the protocols.
NOTE
In the case of multiple aps, if any of the ports comes into forwarding state before the delay notication timer expiry then the
device cancels the timer and a fresh timer is started during port down event. Incase of continuous aps where ap time is less
than delay notication timer, the aps can be detected by other methods like port statistics or drop in trac or by the
convergence logs of layer2 loop detection protocols.
Suppressing the link status notication allows a quick port status change and recovery to occur without triggering any of the changes that
are necessary when a port stays down.
By default, the delay time is not congured.
NOTE
Conguring delayed Layer 3 notications on the VE feature is supported on ICX 7250, ICX 7450, and ICX 7750. product
families from Brocade.
Conguring VE down time notication
Perform the following steps to congure the delay time for notifying the Layer 3 protocols of the VE down event.
1. From global conguration mode, enter VE interface conguration mode.
device(config)# interface ve 50
2. Congure the delay notications time value.
device(config-vif-50)# delay-notifications 20
3. Use the show ip interface ve command to conrm the conguration.
The following example shows how to congure the delay time for notifying the Layer 3 protocols of the VE down event.
device(config)# interface ve 50
device(config-vif-50)# delay-notifications 20
Conguring IP parameters - Layer 3 switches
FastIron Ethernet Switch Layer 3 Routing
52 53-1003627-04
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