error in relay while using ISC DHCP code??
Arun Prasad
prasad.nagappan at gmail.com
Thu Dec 15 13:20:29 UTC 2011
hi aman,
what is your relay agent ip-address.. it should be in 10.0.0.X
On Thu, Dec 15, 2011 at 6:32 PM, <ameen.shajahan at wipro.com> wrote:
> Hi all ,****
>
> I am using ISC DHCP-4.2.3 code and testing the DHCPV4
> server and relay.****
>
> ** **
>
> Also I am using the default conf file.****
>
> Client and server communication happened successfully by
> sending DHCP discover , offer ,Request ,Ack messages.****
>
> ** **
>
> But in relay there is some problem.****
>
> ** **
>
> ** **
>
> *My Scenario :*
>
> ** **
>
> Server------------eth0--------------relay
> ----------------------eth1-----------------------------Client****
>
> 192.168.0.1 192.168.0.8
> 10.0.0.1****
>
> ** **
>
> * *
>
> *In Server Side*
>
> * *
>
> # route add default gateway 192.168.0.8****
>
> # route -n****
>
> Kernel IP routing table****
>
> Destination Gateway Genmask Flags Metric Ref Use
> Iface****
>
> 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
> ixp0****
>
> 0.0.0.0 192.168.0.8 0.0.0.0 UG 0 0 0
> ixp0****
>
> # ./dhcpd -4 -d -f -cf /etc/dhcpd.conf -lf /var/db/dhcpd.leases ixp0****
>
> Internet Systems Consortium DHCP Server 4.2.3****
>
> Copyright 2004-2011 Internet Systems Consortium.****
>
> All rights reserved.****
>
> For info, please visit https://www.isc.org/software/dhcp/****
>
> Wrote 0 class decls to leases file.****
>
> Wrote 0 deleted host decls to leases file.****
>
> Wrote 0 new dynamic host decls to leases file.****
>
> Wrote 2 leases to leases file.****
>
> Listening on LPF/ixp0/00:60:43:60:ca:99/192.168.0.0/24****
>
> Sending on LPF/ixp0/00:60:43:60:ca:99/192.168.0.0/24****
>
> Sending on Socket/fallback/fallback-net****
>
> ** **
>
> * *
>
> *In Relay Side*
>
> ** **
>
> # route add default gateway 192.168.0.1****
>
> # route -n****
>
> Kernel IP routing table****
>
> Destination Gateway Genmask Flags Metric Ref Use
> Iface****
>
> 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
> ixp0****
>
> 10.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
> ixp1****
>
> 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0
> ixp0****
>
> # ./dhcrelay -4 -d -i ixp1 -i ixp0 192.168.0.1****
>
> Internet Systems Consortium DHCP Relay Agent 4.2.3****
>
> Copyright 2004-2011 Internet Systems Consortium.****
>
> All rights reserved.****
>
> For info, please visit https://www.isc.org/software/dhcp/****
>
> Listening on LPF/ixp0/00:60:43:80:41:92****
>
> Sending on LPF/ixp0/00:60:43:80:41:92****
>
> Listening on LPF/ixp1/00:60:43:80:41:93****
>
> Sending on LPF/ixp1/00:60:43:80:41:93****
>
> Sending on Socket/fallback****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> Forwarded BOOTREQUEST for 00:40:05:1e:07:0f to 192.168.0.1****
>
> ** **
>
> *In Client side*
>
> ** **
>
> C:\Documents and Settings\admin>ipconfig /renew****
>
> ** **
>
> Windows IP Configuration****
>
> * *
>
> *An error occurred while renewing interface Remote : unable to contact
> your DHCP*
>
> *server. Request has timed out.*
>
> ** **
>
> C:\Documents and Settings\admin>****
>
> ** **
>
> I* have added the below subnets in the conf file. Please have a look.*
>
> * *
>
> subnet 192.168.0.0 netmask 255.255.255.0 {****
>
> option subnet-mask 255.255.255.0;****
>
> range dynamic-bootp 192.168.0.30 192.168.0.49;****
>
> option domain-name "test.com";****
>
> default-lease-time 86400;****
>
> max-lease-time 86400;****
>
> min-lease-time 86400;****
>
> }****
>
> subnet 10.0.0.0 netmask 255.255.255.0 {****
>
> ****
>
> option routers 10.0.0.1;****
>
> option subnet-mask 255.255.255.0;****
>
> range dynamic-bootp 10.0.0.30 10.0.0.49;****
>
> }****
>
> ****
>
> ** **
>
> ** **
>
> From the server side I had ping manually to eth1 side of relay. But it is
> not pinging to eth1 side of relay.****
>
> ping 10.0.0.1****
>
> ** **
>
> Even though I have added the statement in the server side route add
> default gateway 192.168.0.8****
>
> ** **
>
> ** **
>
> What should I change?****
>
> Where would be the problem actually??****
>
> Please let me know.****
>
> Where the problem actually.****
>
> ** **
>
> ** **
>
> ** **
>
> Regards,****
>
> Ameen S****
>
> ** **
>
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