What is option 242?

User can add DHCP option 242 for bringing up the Avaya phones with the data VLAN, voice VLAN and TFTP server IP address. Once this option is configured the Avaya phone will seek option 242 and the IAP will be able to serve this option with configured value.

What is DHCP option 176?

Option 176 is used for voice server representation. Option 242 is used for data servers.

How do I add Avaya option to DHCP?

How to add Avaya 242 option into DHCP Server

  1. Launch DHCP.
  2. Expand DHCP and right click IPV4.
  3. Click ‘Set Predefined Options’
  4. Click Add.
  5. Type in details. Name: 242 Avaya.
  6. Click ok.
  7. In the string value, type your AVAYA string, for for example: MCIPADD=192.168.2.8,MCPORT=1719,HTTPSERVER=192.168.2.8.
  8. Click OK.

What is Option 43 Cisco?

We use DHCP Option 43 to help the AP in obtaining controller ip address from the DHCP server while DHCP request to get an ip address is sent to the DHCP server by the LAP.In addition to offering it an ip address , DHCP server may return one or more controller ip address also to the LAP.

What is Mcipadd for Avaya?

MCIPADD is the ip address of the call server/KSU, MCPORT is the port that it will use to communicate on. HTTPSRVR is the HTTP server/KSU that the phone can pull down http files from.

What is Option 150 DHCP Cisco?

The DHCP Option Object 150 (RFC 5859) is used by VoIP phones to obtain the VoIP Configuration Server Address, usually from a TFTP Server. When Sophos Firewall is configured as the DHCP Server in a network, the VoIP phone sends a DHCP Request that includes Object 150 to the firewall to obtain the TFTP Server Address.

What is option 66 used for?

Option 66 is a DHCP option, configured in your DHCP server (usually the router), that, upon obtaining an IP address, devices set with Option 66 enabled will also receive the address of a provisioning server, where they will immediately attempt to autoprovision.

What is Option 150 and Option 66 in DHCP?

Explanation. Used mostly with phone DHCP configurations, Option 66 provides a single TFTP server address. Option 150 provides a list of TFTP server addresses. Option 150 is Cisco proprietary, option 66 is IEEE.

What is Option 150 used for?

Option 150 is the TFTP server IP provided by the DHCP pools in the DHCP servers. These are used by the IP phones to get the information of the TFTP servers from where it can download required configurations.

What is Option 82 Cisco?

DHCP Option 82 is organized as a single DHCP option that contains information known by the relay agent. This feature provides additional security when DHCP is used to allocate network addresses, and enables the Cisco controller to act as a DHCP relay agent to prevent DHCP client requests from untrusted sources.