Hello,
I am setting up a network with an dhcp server several hops
away as follows:
Workstation-Vlan1 --> fa0/1-Layer3_switchB-fa0/24 -->
fa0/0-routerB-s0/0 -->
s0/0-routerA-gi1/1 --> gi1/1-Layer3_switchA-Vlan2 -->
gi1/24-Layer2_switchA-gi1/1 --> dhcp_server-10.22.2.2
I would like Workstation-Vlan1 to get an dhcp address from
dhcp_server-10.22.2.2. Please verify the following
configuration:
Layer3_switchB#> ip forward-protocol udp bootps
Layer3_switchB#> interface Vlan1
Layer3_switchB#> ip helper-address 10.22.2.2
routerB#> ip forward-protocol udp bootps
routerA#> ip forward-protocol udp bootps
Layer3_switchA> ip forward-protocol udp bootps
inter-vlan routing is enabled on Layer3_switchA.
Workstations on
Layer2_switchA (in trunk mode with Layer3_switchA) in
different Vlans
currently receive their dhcp addresses from 10.22.2.2
Do I need to restate the ip helper-address on the
intermediate hops as
follows:
routerB#> interface s0/0
routerB#> ip helper-address 10.22.2.2
routerA#> interface gi1/1
routerA#> ip helper-address 10.22.2.2
Do I also need the following for the return unicast:
routerB#> interface fa0/0
routerB#> ip helper-address 10.22.2.2
routerA#> interface s0/0
routerA#> ip helper-address 10.22.2.2
Hopefully that`s self explanatory and not too hard to
follow. Let me know
if you need clarification.
Any other suggestions are welcome.
Thank you,
--Jeff
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