1560 SDM Templates Commands• ipv4-routing—This keyword filters subsequent template choices to thosethat support IPv4 and not IPv6. The default IPv4-only template maximizesthe number of IPv4 unicast routes, while limiting the number of ECMPnext hops in each route to 4. The data-center template supports increasesthe number of ECMP next hops to 16 and reduces the number of routes.Default ConfigurationThe system defaults to the dual IPv4 and IPv6 template.Command ModeGlobal ConfigUser GuidelinesSDM templates enable you to reallocate system resources to support adifferent mix of features. After setting the template, you must reboot in orderfor the configuration change to take effect.If you attach a unit to a stack and its template does not match the stack’stemplate, then the new unit will automatically reboot using the templateused by other stack members. To avoid the automatic reboot, you may firstset the template to the template used by existing members of the stack. Thenpower off the new unit, attach it to the stack, and power it on.The following table lists the completion messages.show sdm preferUse the show sdm prefer command in Privileged EXEC mode to view thecurrently active SDM template and its scaling parameters, or to view thescaling parameters for an inactive template.Message Type Message DescriptionSuccessfulCompletionMessageChanges to the running SDM preferences have been stored, butcannot take effect until the next reload. Use the show sdmprefer command below to see what SDM preference is currentlyactive.Error CompletionMessageNone
