Datasheet
251
Release Notes for Cisco IOS Release 12.1E on the Catalyst 6500 and Cisco 7600 Supervisor Engine and MSFC
OL-2310-11
Caveats
• Packets between fabric-enabled modules can be forwarded from one module to another using either
the 8-Gigabit Ethernet fabric interface or the 16-Gigabit Ethernet backplane bus. In a system where
fewer than 3 fabric-enabled modules are installed, replicated multicast packets are occasionally sent
over the fabric as well as over the backplane bus, which causes ports to receive twice as many
packets as were generated. This problem is resolved in Release 12.1(13)E. (CSCdw82490)
• The WS-CAC-2500W power supply supplies 1153.32 W at 110 V, but the show power command
incorrectly shows an output of 2331.00 W. This problem is resolved in Release 12.1(13)E.
(CSCdx69850)
• For Layer 2 VLANs, Layer 3 VLAN interfaces, and Layer 3 router ports, Supervisor Engine 2
exports per-interface switching statistics to the MSFC2 approximately every 3 minutes, which
delays the availability of the statistics but does not affect their completeness or accuracy. This
problem is resolved in Release 12.1(13)E. (CSCdw88399)
• If you configure a port with a VACL access map that has an action clause that contains the capture
keyword, the port does not send any traffic to the MSFC for processing in software, which prevents
support of features such as the following:
–
Cisco IOS ACL log
–
NAT
–
PBR
–
Cisco IOS server load balancing (Cisco IOS SLB)
–
WCCP
–
CBAC
–
TCP intercept
This problem is resolved in Release 12.1(13)E. (CSCdu61309, CSCdx37625)
• PFC QoS supports class maps that contain a single match command. PFC QoS incorrectly fails to
reject a policy map that contains a class configured with multiple match commands if the
subsequent match commands refer to undefined ACLs and the class is configured with a microflow
policer but not with an aggregate policer. PFC QoS uses the first match command and ignores the
others. This problem is resolved in Release 12.1(13)E. (CSCdw26679)
• 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(13)E. (CSCdu74664)
• MAC address notifications to Layer 3 EtherChannels can be sent to the wrong ingress switching
module. This problem is resolved in Release 12.1(13)E. (CSCdy47285)
• 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(13)E. (CSCdy25902)
• A failure in communication between the MSFC and supervisor engine causes the MSFC to be reset
by an internal message from the supervisor engine. This problem is resolved in Release 12.1(13)E.
(CSCdx38960)
• If you configure an active member port of an EtherChannel as a SPAN source port, the port goes into
the suspended state and does not pass any traffic. In Release 12.1(13)E, you cannot configure an
active member port of an EtherChannel as a SPAN source port. (CSCdx81246)