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ME60 V800R010C10SPC500 Feature Description - WAN Access 01

This is ME60 V800R010C10SPC500 Feature Description - WAN Access
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Data Center Applications of Association Between Direct Routes and a VRRP Backup Group

Data Center Applications of Association Between Direct Routes and a VRRP Backup Group

Service Overview

A data center, used for service access and transmission, consists of many servers, disk arrays, security devices, and network devices that store and process a great number of services and applications. Firewalls are used to improve data security, and VRRP backup groups are configured to improve communication reliability. VRRP may cause user-to-network traffic and network-to-user traffic to travel along different paths, and as a result, the firewall may discard the network-to-user traffic because of path inconsistency. To address this problem, association between direct routes and a VRRP backup group must be configured.

Networking Description

Figure 2-15 shows a data center network. A server functions as a core service module in the data center. A VRRP backup group protects data exchanged between the server and core devices, improving service security. Firewalls are attached to devices in the VRRP backup group to improve network security.

Figure 2-15 Data center network

Feature Deployment

The master device transmits server traffic to a core device. When the core device attempts to send traffic to the server, the traffic can only pass through a firewall attached to the master device. On the network shown in Figure 2-15, the server sends data destined for the core device through the master device, and the core device sends data destined for the server along a path that an Interior Gateway Protocol (IGP) selects. The association between the direct routes and a VRRP backup group can be configured on switch A and switch B so that the IGP selects a route based on VRRP status. The IGP forwards core-device-to-server traffic over the same path as the one over which server-to-core-device traffic is transmitted, which prevents the firewall from discarding traffic.

Updated: 2019-01-04

Document ID: EDOC1100059473

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