Dell PowerConnect FCS624S Release Notes - Page 6

Feature Description Refer to the FastIron Configuration Guide, section entitled... Hitless management: Layer 2 and Layer 3 Hitless failover Layer 3 Hitless OS upgrade This release adds support for Layer 2 and Layer 3 hitless failover as well as Layer 3 hitless OS upgrade. Releases prior to 07.2.00a support Layer 2 hitless OS upgrade only. These high-availability features enable the standby management module to take over the active role with no loss of data traffic during a software failure, hardware failure, or operating system upgrade. Hitless management on the FSX 800 and FSX 1600 OSPF graceful restart OSPF graceful restart is a high-availability routing feature that minimizes disruption in traffic forwarding, diminishes route flapping, and provides continuous service during a system restart, switchover, failover, or hitless OS upgrade. During such events, routes remain available between devices. OSPF graceful restart BGP4 graceful restart BGP4 graceful restart is a high-availability routing feature that minimizes disruption in traffic forwarding, diminishes route flapping, and provides continuous service during a system restart, switchover, failover, or hitless OS upgrade. During such events, routes remain available between devices. BGP4 graceful restart DHCP Server support in the Layer 2 and full Layer 3 software image FastIron devices can be configured to operate as a DHCP server. A DHCP server allocates IP addresses for specified periods of time (known as leases) and manages the IP address pools and the binding (leased addresses) database. DHCP Server DHCP Client-Based Autoupdate Enables Layer 2 and base Layer 3 devices to automatically obtain leased IP addresses through a DHCP server, negotiate address lease renewal, and obtain flash image and configuration files. DHCP Client-Based AutoConfiguration and Flash image update DHCP Server with IP helper DHCP server and IP helper address are supported together on the same port. DHCP Server and Configuring an IP helper address Ability to disable DHCP Server on the management port You can configure the DHCP Server to silently discard DHCP client requests received on the management port. Disabling DHCP Server on the management port IronWare Software Release 07.2.00a for Brocade FastIron switches Release Notes v 1.0 Page 6 of 55