Specifications

show route-map Configuring Policy-Based Routing
Enterasys Matrix N Standalone (NSA) Series Configuration Guide 8-49
Configuring Policy-Based Routing
About Policy-Based Routing
Normally,IPpacketsareforwardedaccordingtotheroutethathasbeenselectedbytraditional
routingprotocols,suchasRIPandOSPF,orbystaticroutes.Inthiscase,selectionisperformed
basedonlyonthedestinationoftheIPpacket.Policy‐basedroutingaddsmoreflexibilityto
routingbyspecifying
otheralternativepaths.Whenaroutemaplistisconfiguredandappliedto
aninterface,policy‐basedroutingwillcheckanincomingIPpacketagainsttheaccesslist(ACL)of
eachmapofthatlistinsequence.IfnoACLpermitrulematchesthepacket,thepacketis
forwardedon
thenormalroutingpathusingaroutelookup.Ifapermitruledoesmatch,theACL
checkisexitedandthemaphavingtheACLmatchingthepacketischeckedforfurtherrouting
instruction.Iftheactionofthatmapispermit,andanexthopisspecified,policy‐basedrouting

willforwardthepackettothenexthopspecifiedinthatmap.Otherwiseitwillforwardthepacket
onthenormalroutingpathusingaroutelookup.Oneroutemaplistisallowedperrouting
interface.
Purpose
Toreviewandconfigureroutemapsandpolicy‐basedrouting.
Commands
show route-map
Usethiscommandtodisplayaconfiguredroutemaplistforpolicy‐basedrouting.
Syntax
show route-map id-number
Router: These commands can be executed when the device is in router mode only. For details on
how to enable router configuration modes, refer to “Enabling Router Configuration Modes” on
page 2-91.
For information about... Refer to page...
show route-map 8-49
route-map 8-50
match ip address 8-51
set next hop 8-52
show ip policy 8-52
ip policy route-map 8-53
ip policy priority 8-54
ip policy load-policy 8-55
ip policy pinger 8-55