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10 C
ORE
B
UILDER
2500 I
NTELLIGENT
S
WITCHING
S
OFTWARE
V
ERSION
8.1.2
System Issues
The following system issues have been identified for software
version 8.1.2:
■
When a ping is initiated from the CoreBuilder 2500 system and is
destined to an ATM device that has a specific ATM adapter card,
multiple pings are required before communication is initiated. This
situation arises because of the amount of time required for the
adapter card to resolve ATM ARP.
■
An ATM LEC cannot be configured as the backbone port in Express
Switching mode.
■
After you set a system baseline, ATM LEC bridge statistics are
incorrect.
■
You cannot set the
ipDefaultTTL
MIB variable.
■
When the ILMI autoconfiguration option is enabled on a
CoreBuilder 7000 switch, it could take several minutes for a LEC
configured on a CoreBuilder 2500 to join an emulated LAN.
■
Packet filters can access data only through byte 64 in the packet.
■
Roving Analysis frames that are sent over a remote Fast Ethernet
connection are truncated if greater than 1495 bytes.
■
Roving analysis is not supported on a system that has an ATM module
installed in the chassis.
■
Remote roving analysis is not supported over a Fast Ethernet
connection that has the Spanning Tree Protocol enabled.
■
Before you enable Express Switching mode, disable the backbone
port. Then, after you enable Express Switching mode, reenable the
backbone port.
■
The system cannot route FDDI multicast frames that are larger than
1500 bytes (that is, frames that require fragmentation).
■
The FCS error statistics field reports inaccurate values for Fast Ethernet
ports.