
6 Upgrading to Software Version 2.9.1 Release Note
Software Version 2.9.1
C613-10486-00 REV C
If you upgrade from a 2.9.1 version to a later 2.9.1 maintenance version, you
can install the release and GUI in the same step.
Also, some TFTP servers do not support filenames longer that 8 characters and
therefore will not allow you to load the file from the server. With such servers,
you can simply rename the GUI file to a short name on the TFTP server, then
rename it correctly on the router or switch.
Backwards Compatibility
If you have scripts that use the following features, you need to be aware that
the behaviour has changed:
■ The group parameter in the add vlan port is now mandatory when you
add a trunk group to a private vlan as private ports (see Group Parameter
Required for Private VLAN Ports).
■ The delete dhcpsnooping binding command has a new mandatory ip
parameter (see Adding Default Access Routers to Static Entries).
■ The pairmode parameter in the set shdsl command has new options that
replace the options 4wire and 2pair (see ITU Standard Mode Operation).
When configuring an SHDSL interface to transmit data over a 4 wire
connection, you must now specify whether it is a standard connection
using the options 4wires or 2pairs, or an enhanced connection using the
options, 4wiree or 2paire.
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