Datasheet

85
Release Notes for Cisco IOS Release 12.1E on the Catalyst 6500 and Cisco 7600 Supervisor Engine and MSFC
OL-2310-11
New Features
New Software Features in Release 12.1(11b)E
For information on software features supported on the OSMs, refer to this URL:
http://www.cisco.com/univercd/cc/td/doc/product/core/cis7600/cfgnotes/osm_inst/index.htm
Release 12.1(11b)E supports these new features:
• Jumbo frames on all Ethernet ports
Caution The following switching modules support a maximum ingress frame size of 8092 bytes:
• WS-X6516-GE-TX when operating at 100 Mbps
• WS-X6148-RJ-45, WS-X6148-RJ-45V and WS-X6148-RJ21, WS-X6148-RJ21V
• WS-X6248-RJ-45 and WS-X6248-TEL
• WS-X6248A-RJ-45 and WS-X6248A-TEL
• WS-X6348-RJ-45, WS-X6348-RJ45V and WS-X6348-RJ21V
When jumbo frame support is configured, these modules drop ingress frames larger than 8092 bytes.
• Hardware support for directed broadcast in Supervisor Engine 2—For information, refer to the
command reference at this URL:
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/12_1e/comref/m1.htm#35329
• You can enter the do command followed by an EXEC mode command in configuration mode. Be
aware of caveat CSCdx02925 (see the “Resolved General Caveats in Release 12.1(12c)E1” section
on page 264) and CSCdw92111 (see the “Resolved General Caveats in Release 12.1(13)E” section
on page 249).
• With a PFC2, hardware support for directed broadcasts with the mls ip directed-broadcast
command.
• New commands to show interface capabilities:
– show interfaces capabilities [{module mod_num}]
– show interfaces {type interface-number} capabilities
• fsck [/automatic | disk0:] command to check a Flash file system for damage and repair any
problems.
• New commands for Protocol Independent Multicast (PIM) scalability and convergence
enhancements:
– [no] ip multicast rpf interval interval
Use this command to set the reverse path forwarding (RPF) consistency-check interval.
– [no] ip multicast rpf backoff {{min max} | disable}
Use this command to set the PIM back-off interval.
– show ip rpf events
Use this command to show the triggered RPP statistics.
• New command to support full CEF load balancing, including Layer 4 ports and Layer 3 source IP
and destination IP addresses:
[no] mls ip cef load-sharing full