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

DHCP Relay (Option 82) –

DHCP Relay

DHCP Relay (Option 82) –

DHCP Relay

•Option 82 Relay Agent (

) DHCP – .

,

.

• RFC 3046.

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	Unicast-
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							DHCP option 82
							DHCP Relay Agent-
		DHCP option 82 DES-3526/DES-3550						:
			Circuit ID:
	1.	2.	3.	4.	5.	6.	7.	DHCP -
	1	6	0	4	VLAN	Module	Port
	1	1	1	1	2	1	1
	1.
	2.	:		3	7		DHCP -
	3.	Circuit ID
	4.	:		5	7			,
	5.	VLAN:	VLAN ID	DHCP –	.
							DHCP –	.
	6.	:			,
				0;		,	Unit ID.
	7.	:	,		DHCP -	,	1.
			Remote ID:
	1.	2.	3.	4.	5.
	2	8	0	6	MAC address			Relay Agent
	1	1	1	1	6			.
	1.
						DHCP –
	2.
	3.	Remote ID					,	.
	4.
	5.	MAC-	: MAC-		.	remote ID		.

Circuit ID

9 = 1001 4

:

Circuit ID 0106000400010009

		01		06	00	04	0001	00	09
		1		6	0	4	VLAN	Module	Port
	1.	2.			3.	4.	5.	6.	7.
	1	1			1	1	2	1	1
1.				01 (		Agent Circuit ID)
2.				06
3.	Circuit ID			00
4.				04

5.VLAN: VLAN ID DHCP – . 0001

6.: , 0;

, Unit ID. 00

7.: , DHCP – ,

1. 09

					Remote ID:
Remote ID		02080006000F3D849FFF
	02	08	00	06	0080c835260a
	2	8	0	6	MAC address
	1.	2.	3.	4.	5.
	1	1	1	1	6
1.		02 (		Agent Remote ID)
2.		08
3.	Remote ID 00
4.		06
5.	MAC-	: MAC-			. 0080C835260A
	Circuit ID			00040001000900060080c835260a
(0106)000400010009
	+		DHCP –		IP-	,
[phone]c835260a
	Remote ID

					Option 82
	1	VLAN V2		VLAN Default	2
	11.10.10.1/8		1-12	13-24	10.10.10.1/8
					L3
					DGS-3324SR
					23
				L2
			DES 3526		DHCP -
	9	10	11.10.10.100/8
					10.10.10.101/8
A			B		:
					10.10.10.1/8
					IP Pool:
	:				11.10.10.101-
1. DHCP -	10.10.10.101		10.0.0.0/8		11.10.10.200

2. L3, 2- 10.10.10.1 10.0.0.0/8

11.10.10.1 11.0.0.0/8

3. L2 (DES-3526/DES-3550) DHCP Relay Agent 11.10.10.100 11.0.0.0/8

MAC – 00-80-C8-35-26-0A

4.2 , DHCP – , L2 - 9, 10

DHCP Option 82

1.DHCP – IP- 11.10.10.101 – 11.10.10.200 IP- DHCP – , DHCP Relay Agent- 10.10.10.100 ( DHCP – , , 9 10, IP- .)

--- DHCP –

2.- DHCP – 9

L2, DHCP – IP- 11.10.10.9;

DHCP – 10 L2, DHCP –

IP- 11.10.10.10. (, DHCP –

, 9 , IP- 11.10.10.9)

--- DHCP – option 82

config vlan default delete 1:1-1:12 create vlan v2 tag 2

config vlan v2 add untagged 1:1-1:12

# IP- VLAN 2 default config ipif System ipaddress 10.10.10.1/8

create ipif p2 11.10.10.1/8 v2 save

L2 (DES-3526/DES-3550):

config ipif System ipaddress 11.10.10.100/8

# create iproute default 11.10.10.1

# DHCP Relay

config dhcp_relay add ipif System 10.10.10.101

config dhcp_relay option_82 state enable

enable dhcp_relay

save

DHCP

– - 1

DHCP – ,

”haneWIN” DHCP – . (http://www.hanewin.de/homee.htm)

“Basic Profile”

•Relay IP : 11.10.10.100

IP-:

• 11.10.10.101 11.10.10.200

•: 255.0.0.0

•: 11.10.10.1