Patent ID: 11968168
Assignee: ARRIS ENTERPRISES LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The network device of claim 1, wherein the at least one processor executes the instructions stored on said memory to resolve an IP address returned by the GRE DNS query to create the GRE tunnel according to:
when the DNS Query is from the eRouter, a resolved IP address for the GRE tunnel creation is selected according to: use a first resolved IPv4 address for the eRouter IPv4 mode, use a first resolved IPv6 address for the eRouter IPv6 mode, and use the first resolved IPv6 address and, when the first resolved IPv6 address is not available, use the first resolved IPv4 address for the eRouter dual stack (DS) mode, and when the DNS Query is from the eCM, a resolved IP address for the GRE tunnel creation is selected according to: use the first resolved IPv4 address for the CM IPv4 mode, use the first resolved IPv6 address for the CM IPv6 mode, and use the first resolved IPv6 address and, when the first resolved IPv6 address is not available, use the first resolved IPv4 address for the CM DS mode.