System Management
3
System Management
■
The
Display PVC
command from User View is not supported.
■
The system clock on the Router 6000 may reset after reboot. The system clock
on the Router 3000 DSL Family resets after reboot. Configure NTP protocol or
check system clock and set clock manually.
■
Cannot undo snmp trap target created using SNMP. 3Com Network Director
automatically configures the router to send SNMP traps by default. The entry
cannot be deleted using the CLI. De-select this option in the Monitoring tab in
the
Tools -> Options
dialog in 3Com Network Director to avoid.
■
A "configuration change" trap is generated whenever a CLI user enters the
system-view instead of when an actual configuration change has been made.
To resolve this, disable the configuration traps using the
undo snmp-agent
trap enable configuration
trap.
Interface
Management
■
The Virtual Template interface remains up when the associated physical
interface is down. As a result, the router advertises the Virtual Template.
There are multiple areas that can apply a Virtual Template (MLPPP, ISDN, IPSec,
PPPoE server, etc.) There is no solution for these areas using Virtual Template,
except for MLPPP. Use MP-group if you want to use MLPPP.
■
Interface statistics set with a flow-interval under 10 seconds are not accurate.
Do NOT use a flow-interval setting under 10 seconds.
■
Dialer interface statistics are NOT accurate for flow intervals under 300
seconds. For flow intervals between 10 and 300 seconds, check the associated
physical interface for accurate statistics.
■
The Router 3000 DSL Family Ethernet interface displays physical and protocol
states as up/up even when there is no cable connection. The interface responds
to pings even with no cable connection. The Router 3000 DSL Family Ethernet
ports will be in the up/up state as soon as an ip address is configured. No cable
connection is required. The LED indicator is a more accurate indicator of a valid
link.
■
The virtual-ethernet interface's protocol state is always down. Issue a ping
command to verify that the interface is actually up and working properly.
Link Layer Protocol
■
Frame Relay PVCs can be modified while they are a part of PVC switching
endpoints. You must verify that the interface is not a PVC endpoint before
making any changes.
■
The Line Protocol state displays as up when no cable is attached to the port on
an ISDN interface. Observe the interface's physical Current State. It will be
down if no cable is attached to the interface.
■
FRF.9 Compression displays when viewing PVC statistics even after PVC is
re-mapped without FRF.9. After re-mapping a PVC to exclude FRF.9
Compression, you need to reset the interface in order to clear any reference to
FRF.9.
Network Protocol
■
Packets with an internal address will appear outside the NAT boundary. NAT
does not translate any IP protocols other than ICMP, TCP, UDP, and GRE (with
respect to PPTP)
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