公开(公告)号：US20150372912A1

公开(公告)日：2015-12-24

申请号：US14841919

申请日：2015-09-01

Applicant: Cisco Technology, Inc.

Inventor： Vincent E. PARLA ,  Vlad SANTAU ,  Timothy Steven CHAMPAGNE, JR. ,  Kerry Hannigan MUNZ

IPC: H04L12/741 ,  H04L29/12 ,  H04L29/06

CPC classification number: H04L45/74 ,  H04L61/1511 ,  H04L61/2007 ,  H04L63/0272

Abstract: One embodiment provides selectively routing Domain Name System (DNS) request for sub-domains associated with a first network through a tunnel associated with the first network via the interface. DNS requests for sub-domains associated with a second network are selectively routed through a tunnel associated with the second network via the interface. Embodiments include replacing the destination address for DNS requests for sub-domains associated with the second network to match an address of a DNS server associated with the second network. Data representative of DNS requests for sub-domains associated with the second network is stored. Embodiments forward the DNS requests for sub-domains associated with the second network with the address of the DNS server associated with the second network.

Abstract translation: 一个实施例通过经由接口与第一网络相关联的隧道，为与第一网络相关联的子域选择性地路由域名系统（DNS）请求。 通过经由该接口与第二网络相关联的隧道选择性地路由与第二网络相关联的子域的DNS请求。 实施例包括替换与第二网络相关联的子域的DNS请求的目的地地址以匹配与第二网络相关联的DNS服务器的地址。 存储代表与第二网络相关联的子域的DNS请求的数据。 实施例将与第二网络相关联的子域的DNS请求与与第二网络相关联的DNS服务器的地址转发。