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Features in 276-02 41
Version 276-05
C613-10474-00 REV D
CR00012613
Firewall 2 When the WAN load balancer was used with IP NAT (instead of firewall NAT), and
an FTP session was established to a server on the public network, the router did
not correctly establish a return session. This meant data was unable to flow
correctly back from the server, and the router rebooted.
This issue has been resolved.
Note that the WAN load balancer is not designed for use with IP NAT, because IP
NATs are not associated with interfaces. Configurations that use an IP NAT cannot
vary the global IP address (the gblip parameter) based on the outgoing interface,
so the WAN load balancer sends all traffic out with the same source address.
Therefore, the return traffic probably comes back via the WAN load balancer
resource that is associated with the global IP. The impact is that the WAN load
balancer balances the outgoing traffic but not the return traffic.
We recommend using firewall NAT instead of IP NAT with the WAN load balancer.
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CR00012649
Switch,
MLD Snooping
2 The switch sometimes flooded IPv6 multicast traffic undesirably, if the MLD All
Routers snooping group contained more than one port and another snooping
group contained no ports. In this situation, when a port timed out of the All
Routers group, multicast traffic from the empty snooping group was flooded to
all ports on the switch. Flooding continued until the last port timed out of the All
Routers group.
This issue has been resolved.
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CR00012689
IP Gateway,
IGMP proxy
2 When IGMP proxy was configured and a user first deleted the upstream
interface, then deleted a downstream interface, the router or switch sometimes
rebooted. Note that this issue did not occur if the downstream interface was
deleted first.
This issue has been resolved.
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CR Module Level Description
AR44xS / AR450S
AR7x5
AR750S
Rapier i
AT-8800
AT-8600
AT-8700XL
AT-8948
AT-9900
AT-9800