Dell PS4100 Technical Information download pdf (Page 92)

June 2012 Dell EqualLogic Configuration Guide v13.2 86

Appendix A Network Ports and Protocols

PS Series groups use a number of TCP and UDP protocols for group management, I/O operations, and

internal communication. If you have switches or routers set to block these protocols, you may need to

unblock them to allow management or I/O operations to work correctly. The required and optional

protocols are listed in the following sections.

A.1 Required Ports and Protocols

Table 38 lists the ports and protocols required for operating an EqualLogic iSCSI SAN.

Table 38 Required Ports and Protocols

Type Port Protocol Access

iSCSI

TCP 3260 iSCSI

To the group IP address and all individual member IP

addresses

EqualLogic Internal

UDP

161 SNMP Management operations

TCP 9876 Internal iSCSI intra-system control

TCP 25555 Internal Group communication

TCP 20002 Internal Event logging

A.2 Optional Ports and Protocols

Table 39 lists the optional ports and protocols, used for management and alerts. They are not required

for correct array operation.

Table 39 Optional Ports and Protocols

Type

Port

Protocol

Access

CLI Management

TCP 23 Telnet

To group IP address

TCP 22 SSH

To group IP address

Web Based Management

TCP

HTTP

To group IP address

TCP

3002

GUI communication

To group IP address

TCP

3003 GUI communication

(encrypted)

To group IP address

SNMP

UDP 161 SNMP To and from group IP address

Syslog

UDP 514 Syslog From group IP address

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