Cisco MWR 2941 Installation Manual Page 178

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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
OL-26895-01
Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
ip cef load-sharing algorithm
Usage Guidelines The original Cisco Express Forwarding load-balancing algorithm produced distortions in load sharing
across multiple routers because of the use of the same algorithm on every router. When the
load-balancing algorithm is set to universal mode, each router on the network can make a different load
sharing decision for each source-destination address pair, and that resolves load-balancing distortions.
The tunnel algorithm is designed to share the load more fairly when only a few source-destination pairs
are involved.
The include-ports algorithm allows you to use the Layer 4 source and destination ports as part of the
load-balancing decision. This method benefits traffic streams running over equal-cost paths that are not
loadshared because the majority of the traffic is between peer addresses that use different port numbers,
such as Real-Time Protocol (RTP) streams. The include-ports algorithm is available in Cisco IOS
Release 12.4(11)T and later releases.
Examples The following example shows how to enable the Cisco Express Forwarding load-balancing algorithm for
tunnel environments:
Router# configure terminal
Router(config)# ip cef load-sharing algorithm tunnel
Router(config)# exit
Related Commands Command Description
debug ip cef hash Records Cisco Express Forwarding load-balancing hash algorithm events
ip load-sharing Enables load balancing for Cisco Express Forwarding.
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