HP 10504 Datasheet - Page 7

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Data sheet | HP 10500 Switch Series

L3 services

• Address resolution protocol (ARP)

Determines the MAC address of another IP host in the same subnet; includes support for static

ARPs; a gratuitous ARP allows detection of duplicate IP addresses; and a proxy ARP allows

normal ARP operation between subnets or when subnets are separated by an L2 network

• UDP helper

Redirects UDP broadcasts to specific IP subnets to help prevent server spoofing

• Dynamic host configuration protocol (DHCP)

Simplifies the management of large IP networks and supports both clients and servers; DHCP

relay enables DHCP operation across subnets

• Domain name system (DNS)

Provides a distributed database that translates domain names and IP addresses, simplifying

network design; and supports clients and servers

L3 routing

• Static IPv4 routing

Provides simple manually configured IPv4 routing

• RIP

Uses a distance vector algorithm with UDP packets for route determination; supports RIPv1

and RIPv2 routing; and includes loop protection

• OSPF

Delivers faster convergence; uses this link-state routing interior gateway protocol (IGP), which

supports ECMP, NSSA, and MD5 authentication for increased security and graceful restart for

faster failure recovery

• IS-IS

Uses a path vector IGP, which is defined by the ISO organization for IS-IS routing and extended

by IETF RFC 1195 to operate in both TCP/IP and the OSI reference model (integrated IS-IS)

• BGP-4

Delivers an implementation of the exterior gateway protocol, utilizing path vectors; uses TCP

for enhanced reliability for the route discovery process; reduces bandwidth consumption by

advertising only incremental updates; supports extensive policies for increased flexibility; and

scales to very large networks

• Policy-based routing

Makes routing decisions based on policies set by the network administrator

• IP performance optimization

Provides a set of tools to improve the performance of IPv4 networks; and includes directed

broadcasts, customization of TCP parameters, support of ICNP error packets, and extensive

display capabilities

• Unicast reverse path forwarding

Limits erroneous or malicious traffic in accordance with RFC 3074

• Static IPv6 routing

Provides simple manually configured IPv6 routing

• Dual IP stack

Maintains separate stacks for IPv4 and IPv6 to ease the transition from an IPv4-only network

design to an IPv6-only network design