Stack Configuration limit with AT-9448Ts/XP as a "Master". The AT-9448Ts/XP can act as the
master in a stack of two switches only. The AT9424Ts or AT9424Ts/XP must be used as the
master with three or more switches in a stack.
IP Addressing and Routing. Although software will allow you to configure IP interfaces on any
VLAN within the switch, only one IP address per stack is supported. Layer 3 switching is not
supported. (6074)
Forwarding Database (FDB). In a stacking configuration, the master FDB may display
addresses that have moved or no longer exist on a member of the stack for a period up to the
age out time. This occurs because all addresses on a port are deleted on the member switch
when a port is disconnected on the member and this information is not communicated to the
master. In addition, addresses on a member switch may not appear on the software FDB
even though they are learned locally. (6159)
Default Gateway/Route. If the topology of the stack is changed from a ring to a chain or from
a chain to a ring, the default gateway/route will be lost until you reboot the stack. This affects
both static and dynamic addresses. (6146)
Adding Ports to VLANs. If you add ports to an existing VLAN, the ports are not be included in
the VLAN until the configuration is saved and the stack is rebooted. This issue does not apply
to new VLANs. (6121)
Setting stack to default configuration. Do not use the "set config=none" command while in
stack mode. If this command is used in the stack mode, the standalone "boot.cfg" file will be
loaded after a reboot. To set a stack to the default configuration, delete the "stack.cfg" file and
then reboot. Once a "save config" is performed, the stack.cfg will be created with the default
configuration. (6158)
Resolved Issues
Multiple supplicants and 802.1x port-based network access control. The multiple operating
mode for 802.1x authenticator ports was nonfunctional. This problem has been resolved. In
order for authenticator ports to work properly when set to the multiple operating mode, the
ports have to be connected to other Ethernet switches or other point-to-point devices.
Authenticator ports do support multiple supplicants when connected to devices that are not
point-to-point, like Ethernet hubs, but you have to configure the ports to single operating
mode and enable the piggy-back feature. (5431)
MAC address-based authentication in 802.1x port-based network access control. The MAC
address-based method of authentication in 802.1x port-based network access control was
unreliable. This problem has been resolved. (5425)
Class of Service (CoS) priority override. The priority override feature, for applying a
temporary CoS priority value to the tagged and untagged ingress traffic on a port, was
nonfunctional. This problem has been resolved. (5492)
MAC address-based virtual LANs. MAC address-based virtual LANs did not work. This
problem has been resolved. (5384, 5387)
Compact flash memory card slot. This AT-S63 Management Software periodically had
difficulties accessing a compact flash memory card on the AT-9424Ts, AT-9424Ts/XP, and
AT-9448Ts/XP switches. This problem has been resolved. (5509)
Operational Notes
PN 613-000915 Rev A
AT-S63 Version 3.1.0 Patch 1 Software Release Notes
5
Allied Telesis, Inc.
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