"ip helper-address redundancy" command

From: YourPal (dearprudence28@gmail.com)
Date: Sun Feb 17 2008 - 23:52:11 ARST

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Hi Group,

I encountered the following HSRP and "ip helper-address" configs:

R3:
!
interface FastEthernet0/0
 ip address 139.1.0.3 255.255.255.0
 ip helper-address 139.1.13.1 redundancy HSRP
 standby 1 ip 139.1.0.1
 standby 1 preempt
 standby 1 name HSRP
!

R6:
!
interface FastEthernet0/1
 ip address 139.1.0.6 255.255.255.0
 ip helper-address 139.1.13.1 redundancy HSRP
 standby 1 ip 139.1.0.1
 standby 1 priority 110
 standby 1 preempt
 standby 1 name HSRP
!

The task are worded as follows:

- R1 should supply hosts in VLAN 367 (R3-R6 LAN segment) with IP addresses
in the range of ...
- The default gateway for these hosts should be R6.
- If R6 is down, R3 should be the default gateway.

What's the difference between having and without the "redundancy" option in
the "ip helper-address" command, in this case? Does the task call for it? I
usually do not include it. Will my solution be graded wrong?

Please advise.

Thank you.
BR,
Emil

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