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802.1x port-based network access control. Added the following authentication methods:

— EAP-TLS (Extensible Authentication Protocol - Transport Layer Security)

— EAP-TTLS (Extensible Authentication Protocol - Tunneled Transport Layer Security)

— PEAP (Protected Extensible Authentication Protocol)

Version 2.2.0:

No new features.

Version 2.1.1:

The number of cooling fans in the AT-9424Ts switch was reduced from four to three. The

AT-S63 Management Software was updated to reflect the change.

Version 2.1.0:

Multiple IPv4 routes with Equal Cost Multi-path (ECMP). The switch now supports ECMP and

multiple routes to the same remote destination.

Variable length subnet masks for IPv4 routing. Previously, a byte in a subnet mask for a route

in the IPv4 routing table had to be 0 or 255. The switch now accepts masks of variable length.

Multiple default routes. In the previous version, there could be only one default route for the

IPv4 packet routing feature and the route was not propagated by RIP. In this version, the

routing table can store and propagate multiple static and dynamic default routes.

802.1x authenticator ports. The maximum number of supplicants that can be logged on to an

authenticator port running in the multiple operating mode has been increased from 20 clients

to 320 clients. However, the maximum number of logged on clients per switch remains the

same at 480 clients. (4186)

Note:

The IPv4 routing feature is not supported on the AT-9408LC/SP, AT-9424T/GB, and

AT-9424T/SP Switches. These switches support only one routing interface for assigning the

device an IP address.

Version 2.0.0:

Internet Protocol Version 4 (IPv4) packet routing. The AT-9400 Series switch features IPv4

packet routing with routing interfaces, static routes, and the Routing Information Protocol

versions 1 and 2.

Secure Shell (SSH) protocol server. The security of the SSH server on the switch has been

enhanced to prevent unauthorized management access to the switch. The AT-S63

Management Software now disables the SSH server, logs an event in the event logs with the

client's IP address, and sends an SNMP trap if it detects fifty consecutive failed login

attempts from an SSH client.

Class of Service and Queue 7. The range of the maximum number of transmitted packets for

the CoS weighted round robin scheduling method has been changed for Queue 7 (Q7). The

range was 1 to 15; the new range is 0 (zero) to 15. Setting Q7 to 0 gives its packets priority

over packets in the other queues. No packets are transmitted from the lower priority queues

so long as there are packets in Q7. (3803)

Temperature threshold alert. The temperature threshold alert feature now has two levels. An

ambient temperature of 55

sends a SNMP trap and enters a warning event message in the event logs. The second level,

PN 613-000915 Rev A

AT-S63 Version 3.1.0 Patch 1 Software Release Notes

to 60

Celsius for ten minutes activates the first level. The switch

Allied Telesis, Inc.