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Release Notes for Cisco IOS Release 12.0 S
78-7130-11 Rev. B0
New and Changed Information
8-Port Fast Ethernet Line Card
Platforms: Cisco 12000 series
The 8-Port Fast Ethernet line card provides eight Fast Ethernet (IEEE 802.3u) interfaces that operate at
a full-duplex data rate of 100 Mbps each. This line card connects to the Gigabit Switch Router (GSR)
switch fabric, which supports transfer rates of up to 40 Gbps within the GSR.
The 8-Port Fast Ethernet line card supports both copper and fiber-optic Fast Ethernet transceivers. The
fiber-optic 100BaseFX interface supports multimode SC duplex connectors operating in half- or full-
duplex mode. The copper interface supports both full- and half-duplex 100BaseTX standards that use
an RJ-45 connector.
The Fast Ethernet connectivity gives the GSR platform the flexibility to be used as an edge router in
high-bandwidth environments, such as an Internet service provider or a corporate backbone. See the
following document for further information:
http://www.cisco.com/univercd/cc/td/doc/product/core/cis12012/bfrcfig/6224fe8.htm
Memory Scan
Platforms: Cisco 7500/RSP series
The Memory Scan feature for Cisco 7500 series router Route Switch Processor (RSP) modules adds a
low-priority background process that searches all installed DRAM for possible parity errors. The
process runs every 60 seconds and can be controlled and monitored with new command-line interface
commands. See the following document for further information:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120t/120t7/tmemscn.htm
NetFlow Policy Routing
Platforms: Cisco 7500/RSP series
IP policy routing now works with Cisco Express Forwarding (CEF), distributed CEF (dCEF), NetFlow,
and NetFlow with flow acceleration.
IP policy routing was formerly supported only in fast switching and process-switching. Furthermore,
support in fast switching was limited because the routing table sometimes had to be consulted before
packets could be policy-routed, which was too expensive or impossible in the fast-switching path.
NetFlow on GSR
Platforms: Cisco 12000 series
NetFlow routing is now supported on the Cisco 12000 series routers. Support for Netflow routing on
the Gigabit Ethernet port adapter, PA-GE, is not yet available.