04-27-2009 05:49 AM - edited 03-06-2019 05:24 AM
I have configured muliple vlan's in my l3 switch & vlan inter-routing is enabled. I have a Linux DHCP server which is sitting in Vlan2 & it has to serve the ip addresses to vlan3 & vlan4 which are falling in different subnet . So having a "ip helper-address <linux dhcp server ip>" command added in vlan3 & vlan4 interface will serve this or do i need to include any other command?
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04-27-2009 05:53 AM
Anand,
An ip helper-address command is enough. As long as you correctly configure the server(pools).
Toshi
04-27-2009 05:54 AM
That should be all you need.
int vlan 3
ip addres 192.168.15.1 255.255.255.0
ip helper-address 192.168.1.50
int vlan 4
ip address 192.168.20.1 255.255.255.0
ip helper-address 192.168.1.50
int vlan 2
ip address 192.168.1.1 255.255.255.0
Your routing table will show 192.168.1.0 as a connected route to vlan 2 and will route it correctly.
HTH,
John
04-27-2009 05:53 AM
Anand,
An ip helper-address command is enough. As long as you correctly configure the server(pools).
Toshi
04-27-2009 05:54 AM
That should be all you need.
int vlan 3
ip addres 192.168.15.1 255.255.255.0
ip helper-address 192.168.1.50
int vlan 4
ip address 192.168.20.1 255.255.255.0
ip helper-address 192.168.1.50
int vlan 2
ip address 192.168.1.1 255.255.255.0
Your routing table will show 192.168.1.0 as a connected route to vlan 2 and will route it correctly.
HTH,
John
04-27-2009 06:01 AM
Thanks a lot Toshi & John. I will be testing in the next 2 hrs & will rate for sure :-)
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