2 / ИСС / Технологии, применяемые при построении сетей на основе коммутаторов D-Link_new Advanced_SMM

Safeguard Engine

Safeguard Engine

config safeguard_engine state enable

DES-3526:4#show safeguard_engine

Command: show safeguard_engine

Safe Guard Engine State : Enabled

Safe Guard Engine Current Status : Normal mode

===============================================

CPU utilization information:
Interval	: 5 sec
Rising Threshold(20-100)	: 100 %
Falling Threshold(20-100)	: 20 %
Trap/Log	: Disabled

config safeguard_engine cpu_utilization rising_threshold 100 falling_threshold 20

Safeguard Engine

IGMP Snooping

IGMP Snooping

•

	IGMP Snooping
	X X
(	)
PC		PC
	V X X	V

L2

IPTV Viewer

Microsoft IE

IPTV

Microsoft MediaServer

L3

IP- -DVMRP, PIM-

DM, PIM_SM, ..

L2

IGMP Snooping

VLAN

VLAN

IGMP-

IGMP-

IGMP Snooping					IGMP Snooping
L2
					L2

PC

PC

PC

PC

DES-3526

.

PCA

PCB

PCC

IPTV

Microsoft MediaServer

IPTV Viewer

IPTV Viewer

Microsoft IE

Microsoft IE

Program1

program2

:

,

,

,

,

,

.

DES-3526.

1. L2 . config igmp_snooping querier default state enable

2. IGMP snooping VLAN- (default VLAN). config igmp_snooping all state enable

enable igmp_snooping

3. (),

,

.

config multicast port_filtering_mode all filter_unregistered_groups

:

PC_A ( movie1). movie1 PC_A, ,

, , ().

PC_B ( movie2), PC_B,

.