12-30-2011
Quote:
Originally Posted by
sadosan83
eth0 : 192.168.2.10
eth1: 192.168. 2.11
This is generally considered as violating the TCP/IP architecture unless you disable routing. Two different and active physical interfaces of the same host aren't expected to be connected to the same subnetwork.
Subnet mask actually, the subnet is 192.168.2.0
Quote:
eth0 and eth1 plug same swich
I want communication between the two interface one host
No communication should happen through the switch because both of your interfaces are local so the traffic can (and probably must) stay in the local TCP/IP stack.
Quote:
ping 192.168.2.10 -I eth1
ping 192.168.2.11 -I eth0
Are the pings working without the -I option ?
Why are you setting up these interfaces that way ? Perhaps link aggregation is what you are looking for.
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LEARN ABOUT DEBIAN
arpsend
arpsend(8) Containers arpsend(8)
NAME
arpsend - send ARP requests
SYNOPSIS
arpsend -D -e target_ip [ -e target_ip ...] [-c count] [-w timeout] interface
arpsend -U -i source_ip [-c count] [-w timeout] interface
DESCRIPTION
Utility arpsend sends ARP packets on device interface to detect or update neighbours' ARP caches with a given IP.
COMMANDS
Run utility with one of the following commands:
-D Send broadcast ARP request to detect neighbours with target_ip. You have to specify target_ip (-e option).
-U Send broadcast ARP request to update neighbours' ARP caches with source_ip. You have to specify source_ip (-i option).
OPTIONS
-c count
Number of packets to send. Default is infinity.
-w interval
Interval between packets, in seconds. Default is 1 second.
-i source_ip_address
Set source IP address field in ARP packet.
-e target_ip_address
Set target IP address field in ARP packet. Note that you can specify -e option multiple times to detect many IP addresses in one
utility call.
EXIT STATUS
arpsend returns 0 upon successful execution. If something goes wrong, it returns an appropriate error code.
1 EXC_USAGE
Usage error
2 EXC_SYSTEM
System error
3 EXC_RECV
ARP reply was received
EXAMPLES
To send request on interface eth0 to detect any neighbour computers with IP 192.168.10.200:
arpsend -D -e 192.168.10.200 eth0
To send request on interface eth0 to update neighbours' ARP caches with IP 192.168.10.200:
arpsend -U -i 192.168.10.200 eth0
NOTES
Interface you use have to be arpable and not be loopback (i.e. /sbin/ip link show interface should show neither NOARP nor LOOPBACK flags
in interface parameters).
SEE ALSO
vzctl(8).
LICENSE
Copyright (C) 2000-2011, Parallels, Inc. Licensed under GNU GPL.
OpenVZ 28 Jun 2011 arpsend(8)