A customer of mine has a 2600 that provides internet connectivity that has dual t1's that are load balanced ( ip load-sharing per-packet) on each interface.
The ISP manages the router but I have full access. They have "ip cef" configured globally but at (all) each interface they have issued the "no ip route cache" command wich I know for fact effectivly shuts off CEF on the interface and have verified this by using the "sh cef interface" command.
The article I read provided by Cisco (IOS Essentials 2-9.pdf) states that cef is the preferred way of switching and that it will be enabled by default in future releases. SO if this is the case why enable globally and disable at each interface. Is this a mistake on their behalf and possibly shut off unintentionally or could there be a reason that I do not know about?
In the past this "no ip route-cache" was used to get per packet load sharing, since CEF load shares, by default "per destination" and not "per packet". There have been improvements to this load sharing to allow user to configure per packet using CEF... ip load-sharing per-packet on the interface.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...