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Bulk discovery of devices behind a network address translation device

專利號
US11159370B2
公開日期
2021-10-26
申請人
Juniper Networks, Inc.（US CA Sunnyvale）
發(fā)明人
Pradeep H. Krishnamurthy; Chandrasekhar A; Rahamath Sharif; Raviraj Satish Deshmukh
IPC分類
H04L12/28; H04L12/24; H04L12/46; H04L29/12; H04W8/00
技術(shù)領(lǐng)域
network,management,devices,seed,device,14a,system,may,ssh,tunneled
地域： CA CA Sunnyvale

摘要

In one example, a network management system discovers a plurality of network devices behind a network address translation device, such as a firewall. The network management system may receive a model of a seed network device, generate a first activation configuration and commit the first activation configuration on the seed network device. The network management system may connect to the seed network device and discover neighboring devices from information in the seed network device. The network management system may connect to the neighboring devices, automatically create a model of the neighboring network devices, generate s activation configurations for the neighboring network devices and commit the activation configurations on the neighboring network devices. The network management system may iterative perform these steps until it discovers all the discoverable network devices behind the network address translation device.

說明書

Administrators 12 use network management system 10 to configure network devices 14 to specify certain operational characteristics that further the objectives of administrators 12. For example, administrators 12 may specify for a device, device 14C for example, a particular operational policy regarding security, device accessibility, traffic engineering, quality of service (QoS), network address translation (NAT), packet filtering, packet forwarding, rate limiting, or other policies. Network management system 10 uses one or more network management protocols designed for management of configuration data within managed network devices 14, such as the SNMP protocol or the Network Configuration Protocol (NETCONF) protocol or a derivative thereof to perform the configuration. In general, NETCONF provides mechanisms for configuring network devices and uses an Extensible Markup Language (XML)-based data encoding for configuration data, which may include policy data. NETCONF is described in Enns, “NETCONF Configuration Protocol,” Network Working Group, RFC 4741, December 2006, available at tools.ietf.org. Network management system 10 may establish NETCONF sessions with one or more of network devices 14.

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