Featu
re
Sub-
Feature
Description Differ
ence
Netwo
rk
manag
ement
NTP Time synchronization for traditional IP networks None
Netwo
rk
manag
ement
RMON Monitoring and traffic statistics for traffic on a network
segment
None
3.2 Key Features
3.2.1 SEP
The Smart Ethernet Protection (SEP) protocol is a ring network protocol applied to the link
layer of an Ethernet network.
As the industrial routing and switching device, the
AR500&AR510&AR530&AR550&AR2500 supports SEP. As Ethernet loop prevention
mechanism, SEP applies to the Internet of Things and provides highly reliable QoS guarantee
for the Layer 2 Ethernet.
l SEP eliminates loops on a Layer 2 network by blocking redundant links to prevent
infinite packet transmission. This prevents broadcast storms on the network.
l SEP implements fast convergence to ensure fast switching of links when link faults
occur.
3.2.2 VPN
The AR500&AR510&AR530&AR550&AR2500 provides an IP security (IPSec) mechanism
to ensure high-quality, interoperable, and cryptology-based security for communication
processes. The two parties in communication can encrypt data and authenticate the data
source at the IP layer to ensure the confidentiality and integrity of the data and prevent replay
on the network.
IPSec implements these functions by using two security protocols: Authentication Header
(AH) and Encapsulating Security Payload (ESP). Internet Key Exchange (IKE) provides
automatic key negotiation, SA establishment, and SA maintenance functions to simplify
IPSec use and management.
The AR530 supports IPSec VPN and provides high reliability transmission tunnels. In
addition, the AR530 uses Generic Routing Encapsulation (GRE) and Layer 2 Tunneling
Protocol (L2TP) to support the following VPN services:
l GRE VPN
l IPSec VPN
Huawei AR500&AR510&AR530&AR550&AR2500
Series Industrial Switch Routers
Product Description
3 Product Characteristics
Issue 02 (2016-11-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
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