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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
Destination-IP Source-IP Prot DstPrt SrcPrt Destination-Mac Vlan EDst Stat-Pkts
Stat-Bytes Uptime Age TcpDltSeq TcpDltAck
--------------- --------------- ----- ------ ------ ----------------- ---- ---- ----------
----------- -------- -------- --------- ---------
0.0.0.5 0.0.0.5 5 204 104 cc-cc-cc-cc-cc-cc 5 ARPA 0
0 01:03:18 01:00:51 cccccccc cccccccc
0.0.0.2 0.0.0.2 2 201 101 cc-cc-cc-cc-cc-cc 2 ARPA 0
0 01:03:21 01:00:51 cccccccc cccccccc
0.0.0.4 0.0.0.4 4 203 X cc-cc-cc-cc-cc-cc 4 ARPA 0
0 01:03:19 01:00:51 cccccccc cccccccc
0.0.0.1 0.0.0.1 ICMP 200 100 cc-cc-cc-cc-cc-cc 1 ARPA 0
0 01:03:25 01:00:52 cccccccc cccccccc
0.0.0.3 0.0.0.3 3 202 102 cc-cc-cc-cc-cc-cc 3 ARPA 0
0 01:03:20 01:00:52 cccccccc cccccccc
0.0.0.6 0.0.0.6 TCP 205 105 cc-cc-cc-cc-cc-cc 6 ARPA 0
0 01:03:18 01:00:52 cccccccc cccccccc
Console> (enable)
Enter the show mls entry cef command to display only the FIB entries. Enter the show mls entry
netflow-route command to display only the entries from the TCP intercept feature and reflexive access
control lists (ACLs). Enter the show mls entry pbr-route command to display only the PBR entries.
Enter the show mls entry qos command to display only the QoS entries.
Configuring CEF on MSFC2/MSFC3
CEF is permanently enabled on MSFC2/MSFC3. No configuration is required to support CEF for
PFC2/PFC3A.
Note The ip load-sharing per-packet, ip cef accounting per-prefix, and ip cef accounting non-recursive
Cisco IOS CEF commands on MSFC2/MSFC3 apply only to traffic that is switched by CEF on
MSFC/MSFC3. The commands do not affect traffic that is switched by CEF for PFC2/PFC3A on the
supervisor engine.
Specifying CEF Maximum Routes
Note This feature is only available with Supervisor Engine 720.
To specify the maximum number of routes that can be programmed in the FIB TCAM for a protocol, use
the set mls cef maximum-routes {ip | ip-multicast} routes command. The syntax is as follows:
• ip—Specifies IP MLS.
• ip-multicast—Specifies IP multicasting MLS.
• routes—Specifies the number of routes that can be programmed in the FIB TCAM.
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