Specifications

CHAPTER 4
InterVLAN Routing
n 802.3 (IPX) or other unsupported encapsulation types
n Packets with an expiring TTL
n Packets that must be fragmented
Configuring and Troubleshooting CEF
By default, CEF is on and supports per destination load sharing.
To disable CEF
n 4500: Use (config)# no ip cef.
n 3500/3700: On each interface, use (config)# no ip route-cache cef.
n
6550 with policy feature card, distributed FC, and multilayer switch FC: cannot be disabled.
View CEF information with the following:
# show interface fastethernet 2/2 | begin L3
View switching statistics with the following:
# show interface fastethernet 2/2 | include switched
View FIB with the following:
# show ip cef {interface} {detail}
View detailed CEF FIB entry with the following:
# show ip cef fastethernet 2/2 10.0.0.1 detail
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CCNP SWITCH 642-813 Quick Reference by Denise Donohue