1© 2001, Cisco Systems, Inc. All rights reserved.

Architecture de Réseaux Redondants

Travaux PratiquesBenoit Lourdelet

blourdel@cisco.com

22© 2001, Cisco Systems, Inc. All rights reserved. 2

Agenda

• HSRP- 1 groupe

• HSRP- 2 groupes

• Tracking interface

• Pre-empt delay

Technologie

33© 2001, Cisco Systems, Inc. All rights reserved. 3

Router Group impair

Topology Physique Technologie

Router Group pair

Hub

Hub

PC Group impair

PC Group pair

Router Internet

44© 2001, Cisco Systems, Inc. All rights reserved. 4

Adressage IP Technologie

Backbone

.195

.196

Router fantome 1 HSRP 196.200.221.193

.197

.198

55© 2001, Cisco Systems, Inc. All rights reserved. 5

Routage Technologie

Default route : 196.200.221.193

Default route : 196.200.221.193

66© 2001, Cisco Systems, Inc. All rights reserved. 6

Router Group #1

StandbyStandby

PrimaryPrimary

HSRP – 1 Router Group

• Router Groupe impair : actif

• Router Groupe pair : stanby

Technologie

77© 2001, Cisco Systems, Inc. All rights reserved. 7

Router Group #1

Router Group #2

StandbyStandby

StandbyStandby

PrimaryPrimary

PrimaryPrimary

HSRP – 2 Router Group Technologie

88© 2001, Cisco Systems, Inc. All rights reserved. 8

Adressage IP Technologie

Backbone

.195

.196

Router fantome 1 HSRP 196.200.221.193

.197

.198

Router fantome 2 HSRP 196.200.221.194

99© 2001, Cisco Systems, Inc. All rights reserved. 9

Routage Technologie

Default route : 196.200.221.193

Default route : 196.200.221.194

1010© 2001, Cisco Systems, Inc. All rights reserved. 10

Router Group #1

StandbyStandby

PrimaryPrimary

HSRP – Tracking interface

• Tracking interface Eth1

• Debrancher Eth1

Technologie

Eth1Eth1

1111© 2001, Cisco Systems, Inc. All rights reserved. 11

Router Group #1

StandbyStandby

PrimaryPrimary

HSRP – Pre-empt delay

• Tracking interface Eth1

• Debrancher Eth1

• Rebrancher Eth1

Technologie

Eth1Eth1

1212© 2001, Cisco Systems, Inc. All rights reserved. 12

Router2:

interface ethernet 0/0

bandwidth 1500

ip address 169.223.10.2 255.255.255.0

standby 10 priority 150 preempt delay 10

standby 10 ip 169.223.10.254

standby 10 track Ethernet 1 60

HSRP - configuration

Router1:

interface ethernet 0/0

bandwidth 128

ip address 169.223.10.1 255.255.255.0

standby 10 ip 169.223.10.254

standby 10 preempt delay 10

Technologie