13-18
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 13 Configuring CEF for PFC2 and PFC3A
Configuring CEF for PFC2/PFC3A on the Switch
To specify the maximum number of routes that can be programmed in the FIB TCAM for a protocol,
perform these tasks in privileged mode:
This example shows how to specify the maximum number of routes for IP unicast:
Console> (enable) set mls cef maximum-routes ip 220
Configuration change will take effect after next reboot.
Console> (enable) show mls cef maximum-routes
Current:
IPv4 :192k (default)
IPv4 multicast : 32k (default)
User configured:(effective after reboot)
IPv4 :220k
IPv4 multicast : 16k (adjusted default)
Console> (enable)
Configuring IP Multicast on MSFC2/MSFC3
These sections describe how to configure MSFC2/MSFC3 for IP multicast:
• Enabling IP Multicast Routing Globally, page 13-18
• Enabling IP PIM on an MSFC2/MSFC3 Interface, page 13-19
• Configuring the IP MMLS Global Threshold, page 13-19
• Enabling IP MMLS on MSFC2/MSFC3 Interfaces, page 13-20
Note This section describes how to enable IP multicast routing on MSFC2/MSFC3. For more detailed IP
multicast configuration information, refer to the “IP Multicast” section of the Cisco IOS IP and IP
Routing Configuration Guide at this URL:
http://www.cisco.com/en/US/docs/ios/12_1/iproute/configuration/guide/ip_c.html
Enabling IP Multicast Routing Globally
You must enable IP multicast routing globally on MSFC2/MSFC3 before you can enable PIM on
MSFC2/MSFC3 interfaces.
Task Command
Specify the maximum number of routes
that can be programmed in the FIB
TCAM for a protocol.
set mls cef maximum-routes {ip | ip-multicast} routes
Display the maximum number of routes
that are configured for each MLS
protocol.
show mls cef maximum-routes
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