Allied Telesis Patch 1 AT-S63 Guía de usuario descargar pdf (Pagina 12)

AT-S63 Version 4.0.0 Patch 2 Software Release Notes

PN 613-001166 Rev A 12 Allied Telesis, Inc.

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AtiStkSwVlanConfigEntry MIB table. The response time of the management firmware on the

switch will be slow if you have more than one instance of the AtiStkSwVlanConfigEntry MIB

table open at a time. (2231)

 Compact flash card. Removing a compact flash card from the switch while the management

software is writing a file to it may cause the switch to stop responding to management

commands and forwarding network packets. To avoid this issue, never remove a compact

flash card from the switch while the Fault LED on the front panel is on. Wait for the Fault LED

to turn off before removing the card.(4253)

 LACP priority value and the event log. A change to a switch’s LACP priority value is

registered in the event log with a message that reflects the current status of LACP, rather

than the change to the priority value. The log message is either “lacp:enabled” or

“lacp:disabled.” (3345)

 MAC address-based VLANs and static trunks. The documentation states that the ports of a

MAC address-based VLAN form a community and that the assignment of a MAC address to

one port in a VLAN is equivalent to assigning it to all ports. This is true except in the case

where the ports of a MAC address-based VLAN encompass a static port trunk, in which case

the same MAC addresses must be assigned to all the ports in the trunk. (3249)

 File upload or download. The switch’s response to management instructions may be slow

when you upload or download files to the file system.

 Reserved multicast traffic and port mirroring. The destination port of a port mirror may

transmit duplicates of some reserved multicast traffic, such as STP BPDUs and other control

packets. The duplication results from the destination mirror port transmitting both the

reserved multicast traffic it receives from flooded multicast traffic and the same multicast

traffic from the mirrored ports. (3055)

 Fiber optic port configuration display. The Auto-Negotiation, speed, and duplex mode settings

in the menus interface for ports 23 and 24 on the AT-9424T/GB and AT-9424T/SP switches

always reflect the settings of the corresponding twisted pair ports 23R and 24R. They do not

reflect the current settings of an active GBIC or SFP fiber optic port. (3047)

 GVRP compatibility. To avoid possible compatibility issues with GVRP and other switches.

set the GVRP Join Timer to 60 and the Leave Timer to 120.

 Spanning tree and LACP trunks. A spanning tree protocol on a switch with two or more LACP

trunks uses the trunk ID number to select a trunk to place in the blocking state if the trunks

form a network loop. The trunk ID number is automatically assigned by the management

software when an aggregator is created. The numbering starts with 0 (zero) and increments

by 1 for each new aggregator. The lower the trunk ID number, the higher the priority. For

instance, a spanning tree protocol will block the ports of the trunk with the higher ID number

(lower priority) if two trunks on the switch form a loop. (4261)

 Port configuration. The speed, duplex mode, and MDI/MDIX settings of a 10/100/1000Base-T

twisted pair port are changed as a unit if multiple ports are configured simultaneously. The

settings of the lowest numbered port are automatically copied to the other ports. For

example, if you configure ports 1 to 4 simultaneously and change the MDI/MDIX setting, the

speed and duplex mode settings of port 1, along with the new MDI/MDIX setting, are copied

to ports 2 to 4. (1262)

 Jumbo frames loss. Frame loss on oversubscribed ports will be greater for jumbo frames

(1522 bytes or larger) than for regular frames, as illustrated here:(1412, 2783, 2792)

Regular Traffic

64 byte size frames @ 100% wire-speed = 1,488,100 packets per second (pps):

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19

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Allied Telesis Patch 1 AT-S63 Guía de usuario Pagina 12

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