Dell Force10 Z9000 FTOS Command Line Reference Guide for the Z9000 System FTOS - Page 868
graceful-restart ietf
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Defaults Command Modes Command History Usage Information Related Commands password Enter an alphanumeric string up to 16 characters long. If you do not specify an encryption type or hmac-md5 keywords, the password is processed as plain text which provides limited security. No default password. ROUTER ISIS Version 8.3.12.0 Version 6.3.1.0 Introduced on the S4810. Introduced. The domain password is inserted in Level 2 link state PDUs (LSPs), complete sequence number PDUs (CSNPs), and partial sequence number PDUs (PSNPs). • area-password - configures an IS-IS area authentication password. • isis priority - configures the authentication password for an interface. graceful-restart ietf Enable graceful restart on an IS-IS router. E-Series, S4810 Syntax Parameters graceful-restart ietf To return to the default, use the no graceful-restart ietf command. ietf Enter ietf to enable graceful restart on the IS-IS router. Defaults Command Modes Command History Graceful restart disabled. ROUTER ISIS Version 8.3.12.0 Version 6.3.1.0 Introduced on the S4810. Introduced on the E-Series. Usage Information Every graceful restart enabled router's HELLO PDUs includes a restart TLV. This enables the (re)starting as well as the existing ISIS peers to detect the GR capability of the routers on the connected network. A flag in the Restart TLV contains restart request (RR), restart acknowledge (RA) and suppress adjacency advertisement (SA) bit flags. The ISIS graceful restart-enabled router can co-exist in mixed topologies where some routers are graceful restart-enabled and others are not. For neighbors that are not graceful restartenabled, the restarting router brings up the adjacency per the usual methods. 868
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