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DHCP Relay agent configuration on FWSM doesnt works with Default Route.

pawarpankaj
Level 1
Level 1

Hi,

I have configured 6513 with FWSM for vlans (all in the same vlan-group and single context mode )10,11,120,121

VLAN 121 is the server vlan with one DHCP Server (172.1.1.100) and gateway being the FWSM interface.

VLAN 120 is the Interface connected to Internet Router.

Default route has been set for Internet using the router interface as the gateway.

VLAN 10 and 11 are normal user access VLANs, where the users will get the IP from the DHCP server in VLAN 121.

Security levels

VLAN 10 100

VLAN 11 75

VLAN 121 50

VLAN 120 0

static nat has been configured between VLAN 10 and VLAN 11 to go in VLAN 121 (DHCP) with the same address.The VLAN 121 interface is configured as DHCP relay agent interface.

And VLAN 10 and 11 interfaces are configured, so that the client gets the IP address from DHCP server.

The problem I am facing is that if I remove the Default Route, my dhcp client gets an IP address from the DHCP server.

But the same doesn't works with the Default Route.

IP addresses of the vlans are as follows

VLAN 10 172.17.32.0/24

VLAN 11 172.17.36.0/24

VLAN 121 172.17.62.0/24

VLAN 120 172.17.63.0/24

Please note that all the configuration is being done from PDM4.1 for FWSM.

Kindly suggest on the same, as this is very urgent.

Also mark a reply to pankajppawar@gmail.com

Thanks,

Pankaj P.

2 Replies 2

scoclayton
Level 7
Level 7

Which version of code are you running on your FWSM?

Scott

its 2.2(1)

We have upgraded to 2.3.and the problem is solved.

Pankaj