hi experts,
i came across this problem..
i have 2 linux systems, and they are connected via NIC's.
from system i used ping command in linux to ping to another system..
everything is working
fine. But if i deactivate the NIC of the destination system while the
source system is still pinging, the command just hangs up.. no error
messages what so ever..  it does not return at all.. how to detect this
type of network disconnection and return an error message to the
user..?

(any suggestion for modifications in the standard ping program would
help me)
thanking u in advance..
Manohar

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manu wrote:
> hi experts,
> i came across this problem..
> i have 2 linux systems, and they are connected via NIC's.
> from system i used ping command in linux to ping to another system..
> everything is working
> fine. But if i deactivate the NIC of the destination system while the
> source system is still pinging, the command just hangs up.. no error
> messages what so ever..  it does not return at all.. how to detect this
> type of network disconnection and return an error message to the
> user..?
>
> (any suggestion for modifications in the standard ping program would
> help me)

Have patience. It'll eventually bail out.

[ Post a follow-up to this message ]

"manu" <manoharyes@gmail.com> writes:

> hi experts,
> i came across this problem..
> i have 2 linux systems, and they are connected via NIC's.
> from system i used ping command in linux to ping to another system..
> everything is working
> fine. But if i deactivate the NIC of the destination system while the
> source system is still pinging, the command just hangs up.. no error
> messages what so ever..  it does not return at all.. how to detect this
> type of network disconnection and return an error message to the
> user..?


% ping -c 5 -w 10 192.168.1.100

PING 192.168.1.100 (192.168.1.100) 56(84) bytes of data.
From 193.238.146.145: icmp_seq=1 Destination Net Unreachable

--- 192.168.1.100 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms



> (any suggestion for modifications in the standard ping program would
> help me)
> thanking u in advance..
> Manohar
>

--
__Pascal Bourguignon__                     http://www.informatimago.com/

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occurred during shipment.

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