Dell PowerConnect 3348 Release Notes - Page 6

Layer 2 - manual

Page 6 highlights

configuration file Error packets during reboot PowerConnect 3324/3348 Release Notes Also, performing the command Show startup config after the configuration file has been copied to startup also generates the following error: "%LCLI-E-MIB2CLI: Illegal Configuration, process valid commands only": While rebooting, PowerConnect 3324/3348 sends error packet on the 1000Gbps uplink port. User's Guide Updates Layer 2 Auto-Negotiation Title Changing port to "no negation" or autonegotiation disabled. Port speed and duplex in show running config while in auto negotiation mode Flow Control Title Flow control between PowerConnect 3324/3348 units 802.1p Class of Service Title 802.1p priority maximum bandwidth across the stack on Gigabit ports QoS Title Queues scheduler may misrepresent queues weight CLI Title More ports or units listed than actual configuration. Web-based Management Title Web-based management functioning during stack disconnection Description Auto MDI/MDIX parameter must be manually set [on/off] before speed/duplex settings can be changed If speed/duplex is forced with "no negotiation" and port is then changed back to "negotiation" mode. The command show running config details the admin speed and duplex configuration of a port although auto negotiation is enabled. The speed/duplex configuration is applied to the port once auto negotiation is disabled. Description In order to assure PowerConnect 3324/3348 internal management traffic that traverses between the units, flow control does not operate across inter-unit stacking links, specifically ports G2 of each PowerConnect 3324/3348 unit. Also, flow control cannot operate between links of ports 1-24, G1 and 25-48,G2 of a PowerConnect 3348 unit. Description Since the PowerConnect 3324/3348 interconnecting stacking link bandwidth is 1Gbps, and it is used also for stack management traffic, all exceeding traffic will be discarded. Description PowerConnect 3324/3348 queue scheduler may misrepresent the predefined queue weights when packet sizes in egress queues are different. The weighting is done by packet, not by bandwidth. Description To allow configuration of all ports, some configuration options may show "ghost" ports though the port will not be available for use. Description During PowerConnect 3324/3348 stack disconnection, Web-based management does not present the current information of the stack. Once recovered, Web-based management refreshes the stack information and any setup activities that might have been done during the disconnection period, and applies it to its respected PowerConnect 3324/3348 unit. For additional information about PowerConnect 3324/3348 stack refer to "Stacking System Firmware Version 1.1.0.42 Page 3

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PowerConnect 3324/3348 Release Notes
configuration file
Also, performing the command Show startup config after the configuration file has
been copied to startup also generates the following error: "%LCLI-E-MIB2CLI: Illegal
Configuration, process valid commands only":
Error packets during reboot
While rebooting, PowerConnect 3324/3348 sends error packet on the 1000Gbps
uplink port.
User’s Guide Updates
Layer 2
Auto-Negotiation
Title
Description
Changing port to “no negation” or auto-
negotiation disabled.
Auto MDI/MDIX parameter must be manually set [on/off] before speed/duplex
settings can be changed
Port speed and duplex in
show running
config
while in auto negotiation mode
If speed/duplex is forced with “no negotiation” and port is then changed back to
“negotiation” mode. The command
show running config
details the admin speed and
duplex configuration of a port although auto negotiation is enabled. The
speed/duplex configuration is applied to the port once auto negotiation is disabled.
Flow Control
Title
Description
Flow control between PowerConnect
3324/3348 units
In order to assure PowerConnect 3324/3348 internal management traffic that
traverses between the units, flow control does not operate across inter-unit stacking
links, specifically ports G2 of each PowerConnect 3324/3348 unit.
Also, flow control cannot operate between links of ports 1-24, G1 and 25-48,G2 of a
PowerConnect 3348 unit.
802.1p Class of Service
Title
Description
802.1p priority maximum bandwidth
across the stack on Gigabit ports
Since the PowerConnect 3324/3348 interconnecting stacking link bandwidth is
1Gbps, and it is used also for stack management traffic, all exceeding traffic will be
discarded.
QoS
Title
Description
Queues scheduler may misrepresent
queues weight
PowerConnect 3324/3348 queue scheduler may misrepresent the predefined queue
weights when packet sizes in egress queues are different.
The weighting is done by packet, not by bandwidth.
CLI
Title
Description
More ports or units listed than actual
configuration.
To allow configuration of all ports, some configuration options may show “ghost”
ports though the port will not be available for use.
Web-based Management
Title
Description
Web-based management functioning
during stack disconnection
During PowerConnect 3324/3348 stack disconnection, Web-based management
does not present the current information of the stack. Once recovered, Web-based
management refreshes the stack information and any setup activities that might
have been done during the disconnection period, and applies it to its respected
PowerConnect 3324/3348 unit.
For additional information about PowerConnect 3324/3348 stack refer to “Stacking
System Firmware Version 1.1.0.42
Page 3