Foundry Networks Switch and Router User Manual

Configuring FSRP
December 2000 22 - 7
NOTE: All FSRP configurations are implemented using a single configuration panel of the Web management
interface. Given this, all other configuration steps, other than enabling the feature, are shown in a separate
section at the end of this chapter rather than interspersed with CLI examples.
Assign Virtual Router IP Addresses
In the examples in this section, FSRP is used to provide a redundant path between Host 1 and Host 3 to ensure
against failure of the primary path. See Figure 22.5.
Figure 22.5 FSRP operating in a NetIron network
USING THE CLI
EXAMPLE:
To define and assign the virtual router IP addresses for Router 1, shown in Figure 22.5, you would need to define
two separate virtual IP addresses for interfaces A and C and link those addresses to the IP addresses of the
physical interfaces for A and C.
This example assumes that interface A corresponds to physical interface 17, and interface C corresponds to
physical interface 20.
Configuring Router 1
To establish the virtual IP address 192.53.5.1 for interface A defined by IP address 192.53.5.2 and Ethernet port
17, enter the following commands:
Router1(config)# inter e 17
Router1(config-if-17)# ip fsrp address 192.53.5.2 vir-rtr-ip 192.53.5.1 other-rtr-ip
192.53.5.3
Notice that the latter command also defines the other router used in this configuration by entering the IP address
for Interface B on Router 2 (other-rtr-ip 192.53.5.3).
Virtual
Router
Host 1 Host 2
Router 1 Router 2
Default Router
192.53.5.1
192.53.5.1 192.53.5.1 192.53.5.1
Default Router
192.53.5.1
Default Router
192.55.4.1
192.55.4.1 192.55.4.1192.55.4.1
Preference = 200
Active
Preference = 60
Standby
Link
Activity
Link
Activity
Power
Console
TurboIron
FDX
Link/Act
FDX
Link/Act
Link
Activity
Link
Activity
Power
Console
TurboIron
FDX
Link/Act
FDX
Link/Act
192.53.5.2
192.53.5.3
192.55.4.2 192.55.4.3
(A)
(B)
(C)
(D)
Host 3
IP Address for Interface A: 192.53.5.2
Virtual Router IP address for Interface A: 192.53.5.1
Router 1:
IP Address for Interface C: 192.55.4.2
Virtual Router IP address for Interface C: 192.55.4.1
IP Address for Interface B: 192.53.5.3
Virtual Router IP address for Interface B: 192.53.5.1
Router 2:
IP Address for Interface D: 192.55.4.3
Virtual Router IP address for Interface D: 192.55.4.1

Foundry Networks Switch and Router Specifications

General

Brand	Foundry Networks
Model	Switch and Router
Category	Switch
Language	English