Network Requirements — TCP/UDP Ports

  • Updated on Aug 7, 2024
  • Published on Dec 15, 2021
  • 2 minute(s) read
  • AH
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Cisco Provider Connectivity Assurance Sensors use various Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports for different services and applications.

The following table lists the TCP and UDP ports used by these devices. This information is useful for configuring firewalls on a network.

TCP/UDP Port Usage by Cisco Provider Connectivity Assurance Sensors

Note: The indicated destination ports are the default values. You can use different values as needed.

Protocol Dest. Port Service Name Applications Direction
TCP 443 HTTPS Web Interface User station to Device
TCP 22 SSH Command Line Interface (CLI) User station to Device
TCP 23 Telnet Command Line Interface (CLI) User station to Device
UDP 161 SNMP SNMP Polling Server to Device
TCP 49 TACACS+ User authentication and authorization Server to Device
TCP 14040 Skylight Metrics Collection Performance Counters Transmission Server to Device
UDP 162 SNMP SNMP Trap Sending Server to Device
UDP 1812 RADIUS User authentication and authorization Server to Device
UDP 514 Syslog Remote Syslog Server to Device
UDP 123 NTP Network Time Protocol Synchronization Server to Device
UDP 320 PTP Precision Time Protocol Synchronization Device to master clock
TCP 21 FTP File Transfers:
  • Configuration exports
  • Configuration imports
  • Firmware upgrades
  • SAT reporting
  • RFC-2544 report uploads
 Device to Server; Server to Device
UDP 69 TFTP File Transfers:
  • Configuration exports
  • Configuration imports
  • Firmware upgrades
  • SAT reporting
  • RFC-2544 report uploads
 Device to Server; Server to Device
TCP 990 FTPS File Transfers:
  • Configuration exports
  • Configuration imports
  • Firmware upgrades
 Device to Server; Server to Device
TCP 22 SCP File Transfers:
  • Configuration exports
  • Configuration imports
  • Firmware upgrades
 Device to Server; Server to Device
TCP 22 SFTP File Transfers:
  • Configuration exports
  • Configuration imports
  • Firmware upgrades
  • SAT reporting
  • RFC-2544 report uploads
 Device to Server; Server to Device
TCP 80 HTTP File Transfers:
  • Configuration exports
  • Configuration imports
  • Firmware upgrades
 Device to Device
UDP 862 TWAMP Two-Way Active Measurement Protocol Device to Device
UDP 6000 (see note) TWAMP Two-Way Active Measurement Protocol Device to Device
UDP 8000 (see note) SAT Y.1564 One-Way Test Communication Device to Device
UDP 9000 (see note) SAT Y.1564 One-Way Test Traffic Device to Device
UDP, TCP 53 DNS Domain Name System Device to Server
UDP 67 DHCP Automatic IP Assignment Device to Server
UDP 68 DHCP Automatic IP Assignment Device to Server
UDP 67 Plug & Go Layer-3 Beacon Device to Device
UDP 68 Plug & Go Layer-3 Beacon Device to Device
UDP 9065 Plug & Go Layer-3 Advertisement Device to Device
TCP 55000 flow broker flow broker server v1.x Device to Client
TCP 8793 flow broker flow broker server v2.x Device to Client

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