The Webinterface of the SBC is mainly based on the beroNet OS Web Interface. The Documentation for most elements is given in beroNet OS Web Interface (firmware 3.xx). 

The main difference between the standard Gateway and the SBC Web Interface are: 

• Network Settings (introduction of the lan-wan and bonding modes)
• SIP Stacks (different SIP Stacks per network interface) 

Network Settings

The SBC has 3 different LAN-Modes: 

• Single Mode
• LAN-WAN
• Ethernet Bonding

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Single Mode

this mode behaves exactly as the standard mode of the Gateway beroNet OS. The LAN and WAN port are configured as a Switch, both can be used to connect to a network.

LAN-WAN Mode

In LAN-WAN Mode the 2 Network interfaces are separated and can have different IP Addresses and networks. Note that only the WAN Port can have a default Gateway to connect to the internet. The LAN Port however can have additional routes to address multiple internal networks. 

The LAN Settings can only have an IP Address and a netmask:

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The WAN Settings can be switched from DHCP to Static. In Static mode an IP Address, Netmask and default Gateway needs to be configured:

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The nameserver settings are global, so internal or external nameservers can be used, as long as they are reachable. 

SIP Stacks

The SIP Stacks allow different settings between the LAN and WAN ports. This can be used to setup scenarios like: SIP over TLS on the WAN stack and UDP on the LAN Stack. To make use of the LAN / WAN SIP Stacks the SBC needs to be configured in LAN-WAN Mode as described in the network chapter.

NOTE: by default the WAN SIP Stack is disabled! 

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The Settings for each SIP Stack are:

• Bind Port  (the port on which the SIP Stack receives SIP Packets, default: 5060)
• RTP Port Range (the RTP Ports where Audio packets are received, default-lan: 6000-7000 and default-wan: 8000-9000) NOTE: at the moment the RTP Ports from LAN and WAN Stacks can not overlap!
• TOS RTP / TOS SIP (the Type of Service for the SIP and RTP Packets, default: 160)
• RTP Port Selection (how the next free RTP port is selected from the Range) can be:
  • standard (next free port is used always counting form the lowest port, this is default)
  • round-robin (next free port is used and next search starts at this port + 1)
• SIP transport (can be TLS, TCP, UDP, default: UDP)

Choosing the SIP Stack per SIP Account

Each SIP Account can be associated with a SIP Stack, this can be done by choosing the SIP Stack within the SIP account-configuration: 

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The configurable SIP Stacks are: 

• LAN (this account can only be used on the LAN interface)
• WAN (this account can only be used on the WAN interface)
• localhost (this account can only be used internally, e.g. with an internal asterisk or other app)

NOTE: you can only choose active SIP Stacks

NOTE2: you can additionally decide which SIP transport method should be used for this SIP Account