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Ports Used by the Boot Server

The boot server is part of the scalability server. Its port usage is provided in a separate section to highlight the fact that these ports need to be open only if OS Installation Management (OSIM) features are used.

Communications to the Scalability Server

From

Port

To

Port

Protocol

Product

Description

Target

68

Scalability server

67

UDP

Software Delivery

Bootstrap Protocol Client – bootpc

Target

Any

Scalability server

69

UDP

Software Delivery

Trivial File Transfer (TFTP)

PXE target

Any

Scalability server

4011

UDP

Software Delivery

(optional)

Alternate Service Boot – altserviceboot.binl (PXE)

If port 4011 is not available, port 67 is used instead.

Target

File share ports

Scalability server

File share ports

TCP/UDP

Software Delivery

NOS-based file transfer