Epson C32C824151 Technical Reference - Page 75

Automatic IP Address Assignment Protocols

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UB-E02 Technical Reference Guide ❏ PDU support Get Request Get Next Request Set Request Get Response Trap ❏ Server port number 161 ❏ Trap sending port number 162 5.5.3.3 ENPC ❏ Protocol: UDP/IP ❏ UDP port number: 3289 ❏ Compatible packet types: Probe Initialize Query Setup Notify 5.5.4 Automatic IP Address Assignment Protocols The UB-E02 supports the DHCP and APIPA protocols for automatic IP address assignment. The automatic assignment is performed according to the following sequence, and if a protocol is disabled or fails, the next protocol is tried. When an IP address is acquired, the next protocol is not tried. Protocol DHCP APIPA manual setting Sequence 1 2 3 Application Acquires IP address Assigns IP address Uses the internal set parameters 5.5.4.1 IP Address Acquisition by DHCP ❏ Items to acquire: IP address, subnet mask, gateway address ❏ DHCP Discover retries: 4 times ❏ DHCP Discover retry interval: 1st: 4 seconds 3rd: 15 seconds 2nd: 7 seconds 4th: 32 seconds ❏ DHCP Request retries: 10 times ❏ DHCP Request retry interval: 15 seconds Rev. A Specifications 5-5

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Rev. A
Specifications
5-5
UB-E02 Technical Reference Guide
PDU support
Get Request
Get Next Request
Set Request
Get Response
Trap
Server port number
161
Trap sending port number
162
5.5.3.3 ENPC
Protocol:
UDP/IP
UDP port number:
3289
Compatible packet types:
Probe
Initialize
Query
Setup
Notify
5.5.4
Automatic IP Address Assignment Protocols
The UB-E02 supports the DHCP and APIPA protocols for automatic IP address assignment. The
automatic assignment is performed according to the following sequence, and if a protocol is
disabled or fails, the next protocol is tried. When an IP address is acquired, the next protocol is
not tried.
5.5.4.1 IP Address Acquisition by DHCP
Items to acquire:
IP address, subnet mask, gateway address
DHCP Discover retries:
4 times
DHCP Discover retry interval:
1st: 4 seconds
2nd: 7 seconds
3rd: 15 seconds
4th: 32 seconds
DHCP Request retries:
10 times
DHCP Request retry interval:
15 seconds
Protocol
Sequence
Application
DHCP
1
Acquires IP address
APIPA
2
Assigns IP address
manual setting
3
Uses the internal set parameters