SNR S2989G-24TX-UPS — настройка и устранение неполадок BFD и мультикаст-протоколов [250/553]

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S2989G-24TX Operation Manual

Chapter 5 Multicast Protocol Related Configuration

4-25

Switch(config-router)#enable

Switch(config-router)#bfd enable

4.5.4

BFD Troubleshooting

When the problem of BFD function happens, please check whether the problem is

resulted by the following reasons:

 Check whether the route protocol neighbor is established successfully. If no route

protocol neighbor is established successfully, here BFD can not process the

detection.

 Check whether the configured source-ip is correct for linkage with static route, if

the connectivity of IP between two peers fails, BFD can not process the detection.

 Check whether VRRP group is established successfully for linkage with VRRP

protocol. If no VRRP group is established successfully, here BFD can not process

the detection.

Chapter 5 Multicast Protocol Related

Configuration

5.1

Multicast

This chapter will give an introduction to the configuration of IPv4 Multicast Protocol.

5.1.1

Introduction to Multicast

Various transmission modes can be adopted when the destination of packet

(including data, sound and video) transmission is the minority users in the network. One

way is to use Unicast mode, i.e. to set up a separate data transmission path for each user;

or, to use Broadcast mode, which is to send messages to all users in the network, and

they will receive the Broadcast messages no matter they need or not. For example, if

there are 200 users in a network who want to receive the same packet, then the traditional

solution is to send this packet for 200 times separately via Unicast to guarantee the users

who need the data can get all data wanted, or send the data in the entire domain via

Broadcast. Transferring the data in the whole range of network .The users who need

these data can get directly from the network. Both modes waste a great deal of valuable