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Features in 276-04 28
Version 276-05
C613-10474-00 REV D
CR00012850
CR00013109
CR00013683
File - Previously, a user could delete the preferred software release and the current
boot configuration file (by using the command delete file), without first setting
a new preferred release or boot configuration file. Therefore, it was possible to
accidentally delete these files, which caused network disruptions if the router or
switch restarted. If the router or switch restarted after the user had deleted the
preferred release, it booted from the default software. Similarly, if the router or
switch restarted after the user had deleted the current boot configuration file, it
started up with no configuration.
This enhancement ensures that users can no longer delete the preferred software
release or the current boot configuration file. If you want to delete the files
without specifying new preferred files, first use the commands delete
install=pref or set config=none to stop the files from being preferred.
Note that this enhancement does not apply to routers or switches that are
manufactured for the Japanese market. Japanese users can still delete the
preferred software release and the current boot configuration file.
Y - YYYYY- - -
CR00012881
IP Gateway - The IP implementation has been enhanced to accept IP interfaces with a /31
netmask. This results in a slightly non-standard subnet that has no network
address or broadcast address. This has become a popular extension to IP, because
it reduces wastage of IP addresses on point-to-point links.
Y - YYYYY- - -
CR00013004
IPsec - The maximum number of concurrent IPsec SA bundles that are allowed per IPsec
policy has been increased from 40 to 100, so that IPsec can now support up to
100 concurrent roaming Microsoft Windows hosts.
Site-to-site VPN connections are not usually limited by the number of SA bundles
per policy, because different IPsec policies with different traffic selectors can be
configured to support more IPsec VPN connections. However, the number of SA
bundles per policy did limit configurations that support roaming Windows
laptops (IPsec transport mode connections over L2TP), because the only traffic
selectors known ahead of time are lport=1701 and transportprotocol=udp.
Y -YYY--- - -
CR Module Level Description
AR44xS/ AR450S
AR7x5
AR750S
Rapier i
AT-8800
AT-8600
AT-8700XL
AT-8948
AT-9900
AT-9800