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protocol (Applications)


Hierarchy Level


Specify the networking protocol name or number.


protocol-name— Networking protocol name. The following text values are supported. For a complete list of possible numeric values, see RFC 1700, Assigned Numbers (for the Internet Protocol Suite).

  • ah—IP Security Authentication Header

  • egp—Exterior gateway protocol

  • esp—IPsec Encapsulating Security Payload

  • gre—Generic routing encapsulation

  • icmp—Internet Control Message Protocol

  • igmp—Internet Group Management Protocol

  • ipip—IP over IP

  • node—Clear each session that uses the specified IP protocol on a specific node.

  • ospf—Open Shortest Path First

  • pim—Protocol Independent Multicast

  • rsvp—Resource Reservation Protocol

  • sctp—Stream Control Transmission Protocol

  • tcp—Transmission Control Protocol

  • udp—User Datagram Protocol


Internet Protocol version 6 (IPv6) is not supported as a network protocol in application definitions.

Required Privilege Level

system—To view this statement in the configuration.

system-control—To add this statement to the configuration.

Release Information

Statement modified in Junos OS Release 8.5.