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. WIKIMERIONET
Merion Mertics , ,

CRM

3

! DHCP- HSRP.

 DHCP-   HSRP

DHCP- HSRP

DHCP TCP/IP. (DHCP) - IP-, DHCP DHCP- DHCP-.

DHCP discover, offer, reply ack DHCP , . DHCP DEST ID IP-, DHCP, . IP- ( GIADDR DHCP) , , ( 82). 82. , DHCP DHCP- .

, , DHCP FHRP, HSRP, DHCP.

 DHCP-

. 1.1 DHCP-

ALT_1 ORL HSRP LAN 176.18.3.0/24.

Fa5/0 DHCP Relay Agent.

R2 R3, :

ALT_1

int Fa5/0
ip add 176.18.3.2 255.255.255.0
ip helper-address 3.3.2.4
standby 1 ip 176.18.3.1
standby 1 priority 120
standby 1 preempt
ORL

int Fa5/0
ip add 176.18.3.3 255.255.255.0
ip helper-address 3.3.2.4
standby 1 ip 176.18.3.1
standby 1 priority 100
standby 1 preempt
!

Bootstrap ALT_1, ORL DHCP-, ip helper-address.

DHCP- 176.18.3.2, 176.18.3.3, , , DHCP-. , , DHCP-.

, DHCP Relay Agent HSRP, , HSRP:

ALT_1:

int Fa5/0
ip helper-address 3.3.2.4 redundancy HSRP
standby 1 name HSRP
!
ORL:

!
int Fa5/0
ip helper-address 3.3.2.4 redundancy HSRP
standby 1 name HSRP
!

Bootstrap HSRP ALT_1, HSRP (- HSRP). DHCP- DHCP , , .

, DHCP OFFER , ALT_1 router.