Dell S4048T User Manual

High Availability (HA)
High availability (HA) is supported on Dell Networking OS.
HA is a collection of features that preserves system continuity by maximizing uptime and minimizing packet
loss during system disruptions.
To support all the features within the HA collection, you should have the latest boot code. The following table
lists the boot code requirements as of this Dell Networking OS release.
Table 34. Boot Code Requirements
Component Boot Code
S4048–ON 1 2.0.3
The features in this collection are:
• Component Redundancy
• Hitless Behavior
• Graceful Restart
• Software Resiliency
• Hot-Lock Behavior
Topics:
• Component Redundancy
• Pre-Configuring a Stack Unit Slot
• Removing a Provisioned Logical Stack Unit
• Hitless Behavior
• Graceful Restart
• Software Resiliency
• Hot-Lock Behavior
Component Redundancy
Dell Networking systems eliminate single points of failure by providing dedicated or load-balanced
redundancy for each component.
20
High Availability (HA) 418

Dell S4048T Specifications

General

Switching Capacity	1.44 Tbps
Rack Units	1U
Form Factor	Rack-mountable
Power Device	Internal power supply
Power Redundancy	Optional
Product Type	Switch
Jumbo Frame Support	Yes
Routing Protocol	OSPF, BGP, RIP, VRRP, PIM-SM, IGMP
Remote Management Protocol	SNMP, RMON, Telnet, SSH
Features	Quality of Service (QoS), Jumbo Frames Support, Virtual Route Redundancy Protocol (VRRP), VLAN support, sFlow, Multiple Spanning Tree Protocol (MSTP), Rapid Spanning Tree Protocol (RSTP), IPv6 support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3ae
Dimensions (W x D x H)	17.3 in x 16 in x 1.7 in
Operating Temperature	0°C to 40 °C
Operating Humidity	10% to 90% (non-condensing)