2 / ИСС / Функции коммутаторов D-Link 3-его уровня и примеры их использования_SMM

:

Multi-netting 3/3

## L3: DGS-3324SR reset config

config vlan default delete 1-8

create vlan multinet tag 2

config vlan multinet add untagged 1-8

create ipif net1 192.168.1.254/24 multinet state enable

create ipif net2 192.168.2.254/24 multinet secondary state enable create ipif net3 192.168.3.254/24 multinet secondary state enable create ipif net4 192.168.4.254/24 multinet secondary state enable create ipif net5 192.168.5.254/24 multinet secondary state enable

## L2:

: Uplink-, VLAN default.

DGS-3324SR

Intranet-

220.1.1.1

255.255.255.0220.1.1.254

DHCP-

220.1.1.253 255.255.255.0

220.1.1.254

PC1

	192.168.1.1	PC2
	255.255.255.0	210.254.254.1
192.168.1.254		255.255.255.0
	210.254.254.254
	:

Multi-netting:

DGS-3324SR

9-24, Default VLAN,

, System Ipif =

10.90.90.90/8

1-8

VLAN = multinet, , 1: 192.168.1.254/24

2: 210.254.254.254/24 (secondary) 3: 220.1.1.254/24

PC	1,	2, …	5 PC		(	multi-netting IP-
		)	PC10 (		IP-	).
	:
			IP-		192.168.1.x/24
			.			DHCP
		IP-		210.254.254.x/24.		,
	,
			«manual IP» «	IP-		DHCP-
	»			IP-	.	Multi-netting
		L3				Intranet.

Virtual Router Redundancy Protocol – VRRP

VRRP –

•VRRP - RFC-2338

.

•VRRP (the single point of failure)

.

•VRRP ,

VRRP

LAN.

•VRRP

,

.

• VRRP

.

!

10.1.1.254

VRRP

, 172.19.10.1

L3

IP-

:

OSPF, RIP, …

!!!!

: VRRP

L2

L2-

:

1.

Spanning Tree:

STP, RSTP, MSTP,…

10.10.10.10/8	10.10.10.11/8	10.10.10.12/8
= 10.1.1.254 = 10.1.1.254 = 10.1.1.254

2. : 802.3ad (LACP)

VRRP

• – Virtual Router: VRRP –

,

.

Virtual Router IDentifier (VRID)

IP-.

•VRRP - VRRP Router : , VRRP. VRRP . VRRP Backup

Master .

• IP- - IP Address Owner : VRRP ,

IP-

.

• - Master Router:

() ,

ARP-

.

• - Backup Router: VRRP

, .

, .

• - VRID Virtual Router Identifier:

VRID.

,

VRID (1 ~ 255).

! C
IP = 192.168.4.x/24													192_168_4
	= 192.168.4.254
								4.254
L3_C	2.254	3.254
192_168_2		192_168_3
2.252													3.253
L3_A 1.252	192_168_1												1.253 L3_B
$ 1	$ 2

VRRP

L2

IP = 192.168.1.x/24= 192.168.1.252

		VRRP:
		1/5
	:
VRRP		192_168_1
L3_A	L3_B	VRRP.
L3_A		.
L3_B		.

L3_A ,

192.168.1.x

L3_A. L3_B

.

L3_A, L3_B

192.168.1.x,

.

VRRP ,

.

VRRP: 2/5

L3_C

. RIP .

config vlan default delete 1-18

create vlan vlan2 tag 2

config vlan vlan2 add untag 1-6

create ipif 192_168_2 192.168.2.254/24 vlan2 state enable

create vlan vlan3 tag 3

config vlan vlan3 add untag 7-12

create ipif 192_168_3 192.168.3.254/24 vlan3 state enable

create vlan vlan4 tag 4

config vlan vlan4 add untag 13-18

create ipif 192_168_4 192.168.4.254/24 vlan4 state enable

enable rip

config rip all tx_mode v2_only rx_mode v2_only state enable

L3_A

. RIP . VRRP 192_168_1

VRID=252

VRRP:

3/5

L3_B

. RIP . VRRP 192_168_1

VRID=252

config vlan default delete 1-12		config vlan default delete 1-12
create vlan vlan2 tag 2		create vlan vlan2 tag 2
config vlan vlan2 add untag 1-6		config vlan vlan2 add untag 1-6
create ipif 192_168_1 192.168.1.252/24 vlan2 state enable		create ipif 192_168_1 192.168.1.253/24 vlan2 state enable
create vlan vlan3 tag 3		create vlan vlan3 tag 3
config vlan vlan3 add untag 7-12		config vlan vlan3 add untag 7-12
create ipif 192_168_2 192.168.2.252/24 vlan3 state enable		create ipif 192_168_3 192.168.3.253/24 vlan3 state enable
enable rip		enable rip
config rip all tx_mode v2_only rx_mode v2_only state		config rip all tx_mode v2_only rx_mode v2_only state
enable		enable
create vrrp vrid 252 ipif 192_168_1 ipaddress		create vrrp vrid 252 ipif 192_168_1 ipaddress
192.168.1.252 state enable		192.168.1.252 state enable
enable vrrp		enable vrrp

VRRP L3_A

DGS-3324SR:4# show vrrp

Global VRRP : Enabled

Non-owner response PING: Disabled

Interface Name		: 192_168_1
Authentication type		: No Authentication
VRID	: 252
Virtual IP Address		: 192.168.1.252
Virtual MAC Address : 00-00-5E-00-01-FC
Virtual Router State		: Master
State	: Enabled
Priority	: 255
Master IP Address		: 192.168.1.252
Critical IP Address		: 0.0.0.0
Checking Critical IP		: Disabled
Advertisement Interval : 1 secs
Preempt Mode		: True

Virtual Router Up Time : 6782215 centi-secs Total Entries: 1

VRRP: 4/5

L3_B

DGS-3324SR:4# show vrrp

Global VRRP : Enabled

Non-owner response PING: Disabled

Interface Name		: 192_168_1
Authentication type		: No Authentication
VRID	: 252
Virtual IP Address		: 192.168.1.252
Virtual MAC Address : 00-00-5E-00-01-FC
Virtual Router State		: Backup
State	: Enabled
Priority	: 100
Master IP Address		: 192.168.1.252
Critical IP Address		: 0.0.0.0
Checking Critical IP		: Disabled
Advertisement Interval : 1 secs
Preempt Mode		: True

Virtual Router Up Time : 6786620 centi-secs Total Entries: 1