D-Link Dsh8 Manual

 Chapter 6: Command Sets 
GE-DSH-73/DSH-82 and DSH-82-PoE User Manual  157 
SystemLog, SMTP and Event Commands Set 
 
Commands Level Description Example 
systemlog ip  
[IP address]  G  Set System log server IP 
address.  switch(config)# systemlog ip 
192.168.1.100 
systemlog mode 
[client|server|both] G  Specified the log mode  switch(config)# systemlog mode both 
show systemlog 
E  Displays system log.  Switch>show systemlog 
show systemlog  P  Show system log client & 
server information  switch#show...

Chapter 6: Command Sets 
158  GE-DSH-73/DSH-82 and DSH-82-PoE User Manual 
Commands Level Description Example 
event smtp 
[Link-UP|Link-
Down|Both] I  Set port event for SMTP  switch(config)#interface fastethernet 
3 
switch(config-if)#event smtp both 
show event P  Show event selection  switch#show event 
no event device-cold-
start G  Disable cold start event type switch(config)#no event device-cold-
start 
no event authentication-
failure G Disable Authentication 
failure event typ...

 Chapter 6: Command Sets 
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SNTP Commands Set 
 
Commands Level Description Example 
sntp enable  G  Enable SNTP function  switch(config)#sntp enable 
sntp daylight G  Enable daylight saving time, 
if SNTP function is inactive, 
this command can’t be 
applied.  switch(config)#sntp daylight 
sntp daylight-period 
[Start time] [End time]  
G  Set period of daylight saving 
time, if SNTP function is 
inactive, this command can’t 
be applied.  
Parameter...

Chapter 6: Command Sets 
160  GE-DSH-73/DSH-82 and DSH-82-PoE User Manual 
X-ring Commands Set 
 
Commands Level Description Example 
ring enable G  Enable X-ring  switch(config)#ring enable 
ring master G  Enable ring master  switch(config)#ring master 
ring couplering G  Enable couple ring  switch(config)#ring 
couplering 
ring dualhoming G Enable dual homing  switch(config)#ring 
dualhoming 
ring ringport 
[1st Ring Port] [2nd Ring Port] G  Configure 1st/2nd Ring Port  switch(config)#ring ringport 7...

 Chapter 6: Command Sets 
GE-DSH-73/DSH-82 and DSH-82-PoE User Manual  161 
PoE Command Set 
 
Commands Level Description Example 
poe  P  Configure PoE function  switch# poe 
exit PoE  Exit the PoE command mode switch(poe)# exit 
port [PortNumber] state 
[Enable | Disable]    Set PoE port State  switch(poe)# port 1 state enable 
port [PortNumber] plfc 
[Enable | Disable] PoE  Set PoE port Power Limit 
from Classification  switch(poe)# port 1 plfc enable 
port [PortNumber] 
legacy 
[Enable | Disable]...

Chapter 6: Command Sets 
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GE-DSH-73/DSH-82 and DSH-82-PoE User Manual  163 
Chapter 7 
Switch Operation  
Address Table 
The Switch is implemented with an addre ss table. This address table composed of 
many entries. Each entry is used to stor e the address information of some node in 
network, including MAC address, port no,  etc. This information comes from the 
learning process of Ethernet Switch. 
Learning 
When one packet comes in from any port, th e Switch will record the source address, 
port no. And the other related...

Chapter 7: Switch Operation 
164  GE-DSH-73/DSH-82 and DSH-82-PoE User Manual 
Store-and-Forward 
Store-and-Forward is one type of packet-forwarding techniques.  A Store-and-
Forward Ethernet Switching stores the incoming frame in an internal buffer, do the 
complete error checking before transmission . Therefore, no error packets occurrence, 
it is the best choice when a netw ork needs efficiency and stability. 
The Ethernet Switch scans the destinatio n address from the packet-header, searches 
the...

 
GE-DSH-73/DSH-82 and DSH-82-PoE User Manual  165 
Chapter 8 
Power Over Ethernet 
Overview  
What is PoE? 
Based on the global standard IEEE 802.3af, Po E is a technology for wired Ethernet, the 
most widely installed local area network technology adopted today. PoE allows the 
electrical power necessary for the operation  of each end-device to be carried by data 
cables rather than by separate power cord s. New network applications, such as IP 
Cameras, VoIP Phones, and Wireless Netw orking, can help...

Chapter 8: Power Over Ethernet Overview 
166  GE-DSH-73/DSH-82 and DSH-82-PoE User Manual 
PoE System Architecture 
The specification of PoE typically requires two devices: the Powered Source 
Equipment (PSE) and the Powered Device (PD) . The PSE is either an End-Span or a Mid-
Span, while the PD is a PoE-enabled terminal , such as IP Phones, Wireless LAN, etc. 
Power can be delivered over data pairs or  spare pairs of standard CAT-5 cabling. 
How Power is Transferred Through the Cable 
A standard CAT5...