Datasheet

290
Release Notes for Cisco IOS Release 12.1E on the Catalyst 6500 and Cisco 7600 Supervisor Engine and MSFC
OL-2310-11
Caveats
• A failure in communication between the MSFC and the supervisor engine causes the MSFC to be
reset by an internal message from the supervisor engine. This problem is resolved in
Release 12.1(8b)E12. (CSCdx38960)
• Nonmaskable interrupts (NMIs) might cause a Supervisor Engine 1 to reload, and then the reload
might fail. This problem is resolved in Release 12.1(8b)E12. (CSCdy25902)
• MAC address notifications to Layer 3 EtherChannels can be sent to the wrong ingress switching
module. This problem is resolved in Release 12.1(8b)E12. (CSCdy47285)
• With a Supervisor Engine 2, (*,G) multicast entries are not programmed in hardware. This problem
is resolved in Release 12.1(8b)E12. (CSCdy44937)
• If the shared tree and the shortest path tree (SPT) diverge because of a Reverse Path Forwarding
(RPF) change on the shared tree (normally triggered by a restoration of a failed link), the SPT is
pruned. A join to restore the traffic flow immediately follows the prune, which might interrupt traffic
briefly. This problem is resolved in Release 12.1(8b)E12. (CSCdu74664)
Resolved Caveats in Release 12.1(8b)E11
• A malfunctioning DC-to-DC convertor on the WS-X6816 module affects the EOBC channel and
causes the active supervisor engine to lose communication with other modules in the system.
Workaround: Disable the power to the failed a WS-X6816 module from the CLI, or remove it from
the system. This problem is resolved in Release 12.1(8b)E11. (CSCdx34821)
• NAT pool subranges are not working. This problem is resolved in Release 12.1(8b)E11.
(CSCdt21533)
• Entering the no interface portchannel command, while running IP multicast traffic over a port
channel interface causes a system reload. This problem is resolved in Release 12.1(8b)E11.
(CSCdw93446)
• A sequencing problem results when there are NAT ACL configurations and static NAT entries in the
startup configuration at bootup. The problem results in incorrect entries being programmed into the
ternary content addressable memory (TCAM).
Workaround: After bootup, remove the NAT configuration and reapply it. This problem is resolved
in Release 12.1(8b)E11. (CSCdx35689)
• Entering the show mls qos [ip | ipx | mac] command in a system with a Supervisor Engine 1 causes
a buffer of 64K to be allocated and never freed. This problem is resolved in Release 12.1(8b)E11.
(CSCdx60833)
• VLANs in the 1002 to 1005 range are disabled by default in Catalyst software. In the Cisco IOS
images for the Catalyst 6500 series and Cisco 7600 series router, the VLANs are in the forwarding
state by default. This default discrepancy might cause a problem in a situation where a system
running Release 12.1(8a)E3 or later on the supervisor engine and the MSFC is connected through
an 802.1 Q tunnel to a system running Catalyst software. If the system running Cisco IOS software
sends BPDUs for reserved VLANs in the 1002 to 1005 range, the system running Catalyst software
drops these BPDUs and increments the rxTotalDrop counter.This problem is resolved in
Release 12.1(8b)E11. (CSCdx28347)