You will have to use the redundancy option the Ip helper-address command
otherwise both the routers will send the DHCP request from the client to the
DHCP server.
Hope that helps.
Regards
Anshuk
On 2/18/08, YourPal <dearprudence28@xxxxxxxxx> wrote:
>
> 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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