Dell Force10 S4810P FTOS Command Line Reference Guide for the S4810 System FTO - Page 1239
ip pim graceful-restart, ip pim join-filter
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Page 1239 highlights
ip pim graceful-restart This feature permits configuration of non-stop forwarding (NSF or graceful restart) capability of a PIM router to its neighbors. E-Series Syntax Parameters [ipv6] ip pim graceful-restart {helper-only | nsf [restart-time | stale-entry-time]} ipv6 helper-only nsf restart-time stale-entry-time Enter the keyword ipv6 to enable graceful-restart for the IPv6 multicast routes. Enter the keywords helper-only to configure as a receiver (helper) only by preserving the PIM status of a graceful restart PIM neighboring router. Enter the keyword nsf to configure the non-stop forwarding capability. (OPTIONAL) Enter the keywords restart-time followed by the number of seconds estimated for the PIM speaker to restart. The range is 30 to 300 seconds. The default is 180 seconds. (OPTIONAL) Enter the keywords stale-entry-time followed by the number of seconds for which entries are kept alive after restart. The range is 30 to 300 seconds. The default is 60 seconds. Defaults Command Modes Command History as above CONFIGURATION Version 8.2.1.0 Version 7.6.1.0 Introduced on the E-Series ExaScale. Added the ipv6 option for the E-Series. Introduced on the E-Series. Usage Information When an NSF-capable router comes up, it announces the graceful restart capability and restart duration as a Hello option. The receiving router notes the Hello option. Routers not NSF-capable discard the unknown Hello option and adjacency is not affected. When an NSF-capable router goes down, the neighboring PIM speaker preserves the states and continues the forwarding of multicast traffic while the neighbor router restarts. ip pim join-filter Permit or deny PIM Join/Prune messages on an interface using an extended IP access list. This command prevents the PIM-SM router from creating state based on multicast source and/or group. C-Series, E-Series, S-Series, Z-Series, S4810 Syntax ip pim join-filter ext-access-list {in | out} 1239
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