•
Additional functions you can use to manage the network including IGMP Snooping (see
Chapter 15, IGMP
Storm Recovery.
•
Layer 3 Routing (see
•
Base routing protocols, including support for the Address Resolution Protocol (ARP), IP Mapping,
the
(CIDR)
•
Support for protocols used
•
Support for the Virtual Router Redundancy Protocol (VRRP) used to improve the reliability of
network connections
•
Support for the MD5 Message-Digest Algorithm defined in RFC 1321 used for digital signature
applications
•
Support for the use of Dynamic Host Configuration Protocol (DHCP) to assign IP addresses,
including the Relay Agent Information option defined in RFC 3046
•
VLAN Routing (see
processed by the Layer 3 routing function.
Layer 2 Package Feature Details
The core Layer 2 Package software provides support for the following features:
Basic Routing and Switching Support
•
BootP (RFC 951, RFC 1542)
•
BootP/DHCP Relay and Server (RFC 2131)
•
Host Requirements (RFC 1122)
•
UDP (RFC 768)
•
IP (RFC 791)
•
ICMP (RFC 792)
•
TCP (RFC 793)
•
STP (Spanning Tree Protocol) (IEEE 802.1d)
•
Rapid Spanning Tree (IEEE 802.1w)
•
MSTP (IEEE 802.1s)
•
10 GigE (IEEE 802.3ae)
•
1000 Base-T (IEEE 802.3ab)
•
Flow Control (IEEE 802.3x)
•
IEEE 802.3ad
20
|
SFTOS Features
— Flow Control at the MAC layer: you may configure the switch or a port to temporarily
halt traffic when necessary to prevent overload (formerly IEEE 802.3x)
Snooping)
Chapter 17, Layer 3
Internet Control Message Protocol (ICMP) and Classless Inter-Domain Routing
by routers to exchange network topology information:
— Routing Information Protocol (RIP) versions 1 and 2, recommended for use in small
to medium sized networks
— Open Shortest Path First (OSPF) version 2, used in larger, more complex networks
VLAN Routing on page
, Port Mirroring (see
Chapter 16, Port
Routing)
Allows traffic received on a VLAN port to be
262):
Mirroring),
and Broadcast