To remove the nc errors, just start the monitor server daemon
(/etc/init.d/systemimager-server-monitord start) on 192.168.100.1 if you
want to use monitoring features, otherwise just remove the
MONITOR_SERVER parameter from the kernel boot parameters (usually in
/etc/systemimager/pxelinux.cfg/syslinux.cfg).

Regards,
-Andrea

Sanoop R wrote:
> 
> hi,
> 
>   I am trying to install a client using systemimager + pxe combination.
> I have successfully been able to "si_prepareclient", "si_getimage" and 
> "si_addclients".   My DHCP server also seems to be working fine.
> 
>   When I switch on the client, it is able to receive an IP from the dhcp 
> server, and it seems to be booting from the kernel image that it obtained 
> from the server.  However, the following error message, "nc: connect: 
> Network is Unreachable", keeps repeating  itself, in between the other 
> messages, and finally says the installation  failed!  To me the error 
> message looks self-contradictory!  What could be wrong?
> 
> 
> ...
> Using option-140 as IMAGESERVER: 192.168.100.1
> bound to 192.168.100.5 --- renewal in 43200 seconds.
> 
> nc: connect: Network is Unreachable
> Overriding any DHCP settings with pre-boot settings from kernel append
> nc: connect: Network is Unreachable
> parameters.
> nc: connect: Network is Unreachable
> 
> nc: connect: Network is Unreachable
> read_kernel_append_parameters
> nc: connect: Network is Unreachable
> 
> nc: connect: Network is Unreachable
> nc: connect: Network is Unreachable
> ping_test
> nc: connect: Network is Unreachable
> Pinging your SystemImager server to ensure we have network connectivity.
> nc: connect: Network is Unreachable
> 
> nc: connect: Network is Unreachable
> PING ATTEMPT 1:
> nc: connect: Network is Unreachable
> PING 192.168.100.1 (192.168.100.1): 56 data bytes
> 64 bytes from 192.168.100.1: icmp_seq=0 ttl=64 time=1.5ms
> 
> --- 192.168.100.1 ping statistics ---
> 
> 1 packets transmitted, 1 packets received, 0% packet loss
> round-trip min/avg/max = 1.5/1.5/1.5 ms
> 
> nc: connect: Network is Unreachable
> We have connectivity to your SystemImager server!
> 
> nc: connect: Network is Unreachable
> nc: connect: Network is Unreachable
> 
> ... 
> 
> and so on till it quits!!
> 
> 
> 
> Any help in this regard would be appreciated.
> 
> Thanks in advance.
> Sanoop
> 
> 
> OS:  CentOS 4.3 on a P IV machine (both as server and clients)
> 

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