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The SBC Core supports the relaying TCP traffic (in addition to SIP/SDP traffic) with the use of a Relay Profile object and a Relay Port configuration on a per-Zone basis.

The Relay Port is used to establish end-to-end TCP relay connections between the TCP endpoints and the servers. the SBC terminates the connections initiated by the device and initiates connections towards the respective servers. TCP traffic policing and routing are performed based on the SBC local IP and port on which the connection is terminated. TCP packets are relayed with any content, for example, HTTP, XCAP, XMPP, or USS.

Up to 512 Relay Ports are configurable per zone, and up to 1,000 system-wide.

Refer to Relay Profile - CLI for Relay Profile configuration details.


Command Syntax

% set addressContext <addressContext name> zone <zone name> relayPort <relayPort Index> 
	ipAddress <IPv4 or IPv6 address> 
	ipInterfaceGroupName <ipInterfaceGroup name> 
	mode <inService | outOfService>
	portNumber <1-65535> 
	relayProfile <relayProfile name> 
	state <disabled | enabled> 
	transportProtocolsAllowed <sip-udp|sip-tcp|sip-tls|sip-ws-tcp|sip-wss-tls>


Command Parameters

Key:

M = Mandatory
O = Optional

Zone Relay Port Parameters

Parameter

Length/Range

Description


relayPort

1-4000

The Relay Port index.

NOTE: Each relayPort index must be unique across all zone

M

ipAddress

valid IP address

The IPv4 or IPv6 address of the Interface for this Relay Port.

M
ipInterfaceGroupNameN/A

Name of IP interface group used by this Relay Port.

M
modeN/A

The operational mode for this Relay Port.

  • inService
  • outOfService (default)
O
portNumber1-65535

TCP listener port number to use for this relay. (default = 5269)

O

relayProfile

N/A

Enter the Relay Profile used by this Relay Port.

M
stateN/A

The administrative state of the Relay Port.

  • disable (default)
  • enable
O
transportProtocolsAllowedN/A

Sets allowed transport protocols:

  • sip-udp
  • sip-tcp
  • sip-tls
  • sip-ws-tcp
  • sip-wss-tls
O

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