AT-S26 Version 2.2.2 Software Release Notes

AT-S26 Version 2.2.2 Management Software Release Notes
AT-S26 Version 2.2.2 Management Software for the
AT-9006 Series Gigabit Ethernet Switches
Software Release Notes
Please read this document before you begin to use the AT-S26 Version 2.2.2
management software.
Supported Platforms
Version 2.2.2 of the AT-S26 management software is supported on the following Allied Telesyn
switches:
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AT-9006T Gigabit Ethernet Switch
AT-9006SX/SC Gigabit Ethernet Switch
AT-9006LX/SC Gigabit Ethernet Switch
This software version supports the following expansion modules:
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AT-A14 100/1000Base-T (RJ-45) Expansion Module
AT-A15/SX 1000Base-SX (SC) Expansion Module
AT-A15/LX 1000Base-LX (SC) Expansion Module
AT-A16 100Base-FX (VF-45) Expansion Module
AT-A17 100Base-FX (SC) Expansion Module
AT-A18 10/100Base-TX (RJ-45) Expansion Module
AT-A19 100Base-FX (MT-RJ) Expansion Module
AT-A24/SX 1000Base-SX (MT-RJ) Expansion Module
AT-A24/LX 1000Base-LX (MT-RJ) Expansion Module
Product Documentation
For hardware installation instructions, refer to the following guide:
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AT-9006T, AT-9006SX/SC, and AT-9006LX/SC Installation Guide
(PN 613-10851-00 Rev B)
For software management instructions, refer to the following guide:
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AT-S26 Version 2.0.1 User’s Guide (PN 613-10852-00 Rev B)
Both guides are available as PDF files from the Allied Telesyn web site at
www.alliedtelesyn.com.
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AT-S26 Version 2.2.2 Management Software Release Notes
New Feature in Version 2.2.2
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Web Browser Management
The option for disabling web browser management on the switch has been enhanced.
Disabling web browser management now increases the protection to the switch from
attacks by denial-of-service viruses, such as Code Red.
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Port Trunking with the Gigabit Ethernet Ports
The management software now supports port trunking on the six Gigabit Ethernet ports
on the switch. Version 2.0.1 of the management software supported port trunking only on
the expansion modules. For information on this new feature, refer to Operational Notes
later in this document.
Resolved Issues in Version 2.2.2
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MIB object dot1dBaseNumPorts
The MIB object dot1dBaseNumPorts always returned the value 0. This has been corrected.
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SNMP Management Program and MAC Addresses
A switch did not always return the correct MAC addresses when queried by a SNMP
management program. This problem has been resolved.
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Activity Monitor Message
The Activity Monitor would occasionally display the superfluous message “Found Mac All
Counts=0033 Loop_count=0013.” This problem has been resolved.
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Port Trunks and linkDown Traps
The management software would generate multiple linkDown traps when a link in a port
trunk failed. This has been corrected. The software now generates only one linkDown trap.
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Static MAC Addresses
This software version supports static MAC addresses. You can enter up to 255 static MAC
address per port. For instructions on displaying and modifying the static MAC address
table, refer to Chapter 4 in the AT-S26 V2.0.1 User’s Guide.
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Web-based Management Session and the Graphical Switch Image
Previous versions of the management software did not display the graphical image of the
AT-9006 Series Switch in a web-based Omega management session. This problem has
been resolved. For further information on the graphical image, refer to Chapter 1 in the
AT-S26 V2.0.1 User’s Guide.
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Redundant Power Supply (RPS) Status
The Diagnostics window now includes status information on an RPS, if installed.
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AT-S26 Version 2.2.2 Management Software Release Notes
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Updating the MAC Address Table and the Address Resolution Protocol (ARP) Table
The MAC address table and the ARP table are now properly updated when a link is lost to
an end node.
New Features in Earlier Version 2.0.1
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Port Security
The management software now includes a new port security feature that you can use to
set a maximum value for the number of MAC addresses each port on the switch can learn.
Once the maximum value has been reached, the port will discard packets with unknown
addresses. This can prevent unauthorized end nodes from accessing switch ports. You can
also set a port to immediately stop learning new MAC addresses and discard any packets
from unknown nodes. For further information on this feature, refer to the section
“Configuring Port Security” in Chapter 3 of the AT-S26 Version 2.0.1 User’s Guide.
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Clearing Dynamic MAC Addresses
The management software now contains a command for clearing all dynamic MAC
addresses from the MAC address table. For information on the command, refer to the
section “Clearing All Dynamic MAC Addresses” in Chapter 4 of the AT-S26 Version 2.0.1
User’s Guide.
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Port Trunking
The Gigabit Ethernet switches now support port trunking on expansion modules that
feature multiple 100 Mbps or 10/100 Mbps ports. For information, refer to the section
“Creating Port Trunks” in Chapter 3 of the AT-S26 Version 2.0.1 User’s Guide.
Resolved Issues in Earlier Version 2.0.1
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Spanning Tree Protocol and BPDU Packets
The STP algorithm can now handle improperly configured BPDU packets from other
devices. This capability reduces the possible formation of unexpected network loops in
some network environments.
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Get Port From MAC Address Selection
The Get Port From MAC Address selection in the MAC Address menu now works correctly.
Operational Notes
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Web Browser User Name and Password
The management software will prompt you for both a user name and a password when
you start a web browser management session if you assigned a password to the Omega
interface. The user name is “admin”. The user name cannot be changed.
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AT-S26 Version 2.2.2 Management Software Release Notes
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Omega Password and Special Characters
Do not use special characters, such as a space, asterisk, or exclamation point, when
creating a password for the Omega interface if you intend to manage the switch using a
web browser. Most web browsers cannot handle special characters in program passwords.
The Omega password should be limited to alphanumeric characters (A to Z, a to z, and 1 to
9).
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Port Trunking with the Gigabit Ethernet Ports
The management software now supports port trunking on the six Gigabit Ethernet ports
on the switch. The switch can support up to two port trunks simultaneously. Ports 1 and 2
can be used as one port trunk and ports 3 and 4 as the second port trunk. You cannot use
ports 5 and 6 in a port trunk.
Caution: Do not connect the cables to the port trunk on the switch until after you have
configured the port trunk on both the AT-9006 Series switch and the remote end node.
Connecting the cables prior to creating the trunk can create a data loop in your network
topology, which can result in poor network performance.
Caution: Do not activate the Spanning Tree Protocol on the ports of a port trunk.
To create a port trunk on an AT-9006 Series Gigabit Ethernet Switch, do the following:
1. From the Omega Main Menu, select System configuration.
2. From the System Configuration menu, select System switch configuration.
The following window is display:
System Switch Configuration Menu
IGMP Snooping configuration
Port Trunking in the 1000M Speed Port
Return to System Configuration Menu ...
3. Select “Port Trunking in the 1000M Speed Port.”
The following window is display:
Port Trunking in the 1000M Speed Port Menu
Ports for port trunk 1 (01 - 02) Null (not configured)
Ports for port trunk 2 (03 - 04) Null (not configured)
Return to System Configuration Menu ...
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AT-S26 Version 2.2.2 Management Software Release Notes
4. To create a port trunk using ports 1 and 2, select the first option in the menu and enter
“1-2”. To create a port trunk using ports 3 and 4, select the second option in the menu
and enter “3-4”.
The port trunk is immediately available for use.
For instructions on how to create a port trunk using ports on an expansion module, refer to
Chapter 3 in the AT-S26 Version 2.0.1 User’s Guide.
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IGMP Snooping and VIDs
When IGMP snooping is disabled, the AT-S26 software supports VID numbers 2 through
4096. When IGMP snooping is enabled, the management software supports VID numbers 2
through 2047.
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Quality of Service and Flow Control on AT-9006T 100M Ports
The Quality of Service and flow control features are disabled on an AT-9006T port when the
port is operating at 100 Mbps. Head or Line Blocking (HOLB) is automatically enabled when
a port operates at 100 Mbps.
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Supported MIBs
Version 2.0.1 supports the following MIBs:
RFC 1213 (MIB-2)
RFC 1215 (Trap MIB)
RFC 1493 (Bridge MIB)
RFC 1573 (Interface Group MIB)
RFC 1643 (Ethernet-like MIB)
Private MIB (FSTSWITCH.MIB, AT-IF.MIB)
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Statistics Counters
The RMON statistic counters do not include packets with errors, such as CRC errors,
fragments, and jabbers. Also, the multicast transmit counter is incremented by flooding
unicast traffic. Additionally, the SNMP InErrors counter MIB object does not include
fragments.
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Long Frame Counter
This counter erroneously includes packets of 1523 to 1536 bytes in size.
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Terminal Configuration Menu
The following options have been removed from the Terminal Configuration Menu:
VT100-compatible/ANSI
Generic “dumb” terminal
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AT-S26 Version 2.2.2 Management Software Release Notes
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Telnet and Local Management Sessions
You cannot run a Telnet management session and a local management session on the
same switch simultaneously. Always be sure to properly exit from a Telnet or local
management session to prevent future management sessions from being blocked.
Limitations
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Upgrading the AT-S26 Management Software Switch to Switch
You cannot upgrade the AT-S26 management software switch to switch. To upgrade
switch software, you can use TFTP or the RS232 port on the switch and XModem. For
further information, refer to Chapter 8 in the AT-S26 Version 2.0.1 User’s Guide.
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Port Mirroring
This version of the management software does not support port mirroring.
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IGMP
AT-S26 Version 2.0.1 supports IGMP Version 1.0, but not Version 2.0.
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RMON and Uplink Ports
RMON alarms and the RMON log are not generated for uplink ports.
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Dynamic Host Configuration Protocol (DHCP)
The switch will not release an IP address assigned to it by a DHCP server after the lease has
expired. You can either assign the switch an IP address manually through the Omega
interface or you can configure the DHCP server to permanently assign an IP address to the
switch.
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AT-S26 Version 2.2.2 Management Software Release Notes
Contacting Allied Telesyn Technical Support
United States and Canada
Tel: 1 800 428 4835 (option 4)
Fax: 1 503 639 3716
Europe, Africa, and the Middle East
Tel: 00 800 287 877 67* or
+31 20 711 4333
(Finland only: Tel: 990 287 877 67)
Asia and Southeast Asia
Tel: (++65) 381 5612
Fax: (++65) 383 3830
Australia
Tel: 1 800 000 880
Fax: 2 9438 4966
New Zealand
Tel: 0800 45 5782
(* Valid in Austria, Belgium, France, Germany, Ireland, Italy, Luxembourg, The Netherlands, Norway, Sweden,
Switzerland and the United Kingdom. For other European countries not listed here, ring +31 20 711 4333.)
Technical Support E-mail Addresses
United States and Canada
TS1@alliedtelesyn.com
Latin America, Mexico, Puerto Rico, Caribbean, and Virgin Islands
latin_america@alliedtelesyn.com
Europe
support_europe@alliedtelesyn.com
For Sales or Corporate Information
Allied Telesyn International, Corp.
19800 North Creek Parkway, Suite 200
Bothell, WA 98011
Tel: 1 (425) 487-8880
Fax: 1 (425) 489-9191
PN 613-50264-00 Rev A
Allied Telesyn International, Corp.
960 Stewart Drive, Suite B
Sunnyvale, CA 94085
Tel: 1 (800) 424-4284 (USA and Canada)
Fax: 1 (408) 736-0100
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