When a DHCP WAN is updated, such as by receiving a new IP address, traffic interruption can occur with other WANs configured on the same physical port. To prevent this interruption from occurring there are two possible workarounds.
Workaround 1:
Move the WANs to different physical ports so that the DHCP WAN is not sharing a port with another WAN.
Workaround 2:
If VLAN IDs are used with the WANs sharing a physical port then logical ports can be created that will prevent the interruption from occurring. To create a logical port in the CLI use the following command system:
port add port { PORT | DEVICE } vlan VLAN
For example, if a WAN was on the port Physical_1 and using VLAN ID 100 you could create a logical port with the following command:
port add port Phsyical_1 vlan 100
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The WAN configuration would then be updated to remove the VLAN ID from the WAN's configuration and it would be moved to the new port named Port_1.100
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