HP 10504 Технические характеристики - Страница 6
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QuickSpecs
Overview
quality parameters such as jitter, TCP, or FTP connection delays and file transfer rates; allows a network manager to determine
overall network performance and to diagnose and locate network congestion points or failures
Information center
provides a central repository for system and network information; aggregates all logs, traps, and debugging information
generated by the system and maintains them in order of severity; outputs the network information to multiple channels based
on user-defined rules
IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
advertises and receives management information from adjacent devices on a network, facilitating easy mapping by network
management applications
Dual flash images
provide independent primary and secondary operating system files for backup while upgrading
Multiple configuration files
can be stored to the flash image
Layer 2 switching
VLAN
supports up to 4,094 port-based or IEEE 802.1Q-based VLANs; also supports MAC-based VLANs, protocol-based VLANs, and IP-
subnet-based VLANs for added flexibility (Comware v7 supports port-based VLANs only)
Port isolation
increases security by isolating ports within a VLAN while still allowing them to communicate with other VLANs
Bridge Protocol Data Unit (BPDU) tunneling
transmits Spanning Tree Protocol BPDUs transparently, allowing correct tree calculations across service providers, WANs, or
MANs
GARP VLAN Registration Protocol
allows automatic learning and dynamic assignment of VLANs
Port mirroring
duplicates port traffic (ingress and egress) to a local or remote monitoring port; supports four mirroring groups, with an
unlimited number of ports per group
Spanning Tree Protocol
fully supports standard IEEE 802.1D Spanning Tree Protocol, IEEE 802.1w Rapid Spanning Tree Protocol for faster convergence,
and IEEE 802.1s Multiple Spanning Tree Protocol
Internet Group Management Protocol (IGMP) and Multicast
Listener Discovery (MLD) protocol snooping effectively control and manage the flooding of multicast packets in
a Layer 2 network
IEEE 802.1ad QinQ and Selective QinQ
increase the scalability of an Ethernet network by providing a hierarchical structure; connect multiple LANs on a high-speed
campus or metro network
Per-VLAN Spanning Tree Plus (PVST+)
allows each VLAN to build a separate spanning tree to improve link bandwidth usage in network environmentswith multiple
VLANs (Comware v5 only)
Layer 3 services
Address Resolution Protocol (ARP)
determines the MAC address of another IP host in the same subnet; supports static ARPs; gratuitous ARP allows detection of
duplicate IP addresses; proxy ARP allows normal ARP operation between subnets or when subnets are separated by a Layer 2
network
User Datagram Protocol (UDP) helper
redirects UDP broadcasts to specific IP subnets to prevent server spoofing
DA - 14167 North America — Version 20 — December 9, 2013
HP 10500 Switch Series
Page 6