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Operating Systems Linux Red Hat External NIC cards not pinging with each other in RHEL 5.1 Post 302254806 by funksen on Wednesday 5th of November 2008 07:45:15 AM
Old 11-05-2008
you must define a route, telling your system to ping the net 192.168.2.0 not over the default gateway, 192.168.1.1 or 254, or whatever is defined, instead over interface 192.168.2.10

before you set the route, pls post the output of netstat -rn


route add -net 192.168.2.0/24 ethx

where ethx ist the interface with the 192.168.2.x ip

tells your system to ping every ip in the range 192.168.2.1 - 192.168.2.254 over the interface with the ip 192.168.2.x

Edit: make sure you have a console connection, or another possibility to reach the server without network when you change routes

and the route assumes a netmask of 255.255.255.0
if theres a routing defined between the two networks in your company, then maybe it's another problem
ask your network team if this networks are routet

Last edited by funksen; 11-05-2008 at 08:58 AM..
 

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VDE_L3(1)						      General Commands Manual							 VDE_L3(1)

NAME
vde_l3 - Virtual Distributed Ethernet 'Layer 3' Switch. SYNOPSIS
vde_l3 -v vde_plug:ipaddress/netmask [-v...] [-r target_network/netmask:gateway] [-G default_gw] [-M mgmt_socket] DESCRIPTION
A vde_l3 connects to one or more vde_switches, performing ip forwarding among its virtual interfaces. A new interface is created at startup for each -v option given at command line. Static routes to target networks can be defined using the -r option. vde_l3 -v /var/run/s1.ctl:192.168.0.1/24 connects to the vde sock at /var/run/s1.ctl with its virtual interface ve0, having the address 192.168.0.1 and netmask 255.255.255.0. vde_l3 -v /var/run/s1.ctl:192.168.0.1/24 -v /var/run/s2.ctl:10.0.0.254/255.255.0.0 connects to the two vde socks, with its virtual interfaces ve0 and ve1, having addressess 192.168.1.0 and 10.0.0.254 respectively. Hosts in each network can specify the vde_l3 as their gateway to reach the other one. OPTIONS
-v vde_plug:ipaddress/netmask Creates a virtual network interfaces on the vde_l3 box, with address ipaddress and netmask netmask. Please note that the netmask can be specified either in the 'classic' A.B.C.D mode, or just by giving the number of leading bits (f.e., /17 for 255.255.128.0). One can define as many interfaces as she wants. -r target_network/netmask:gateway Specify a static route through gateway to reach hosts in target_network with netmask netmask. One can define as many routes as she wants. -G default_gw Specify a default gateway, to be used whenever no static route is defined for a target host. -M mgmt_socket the unix socket where the parameters (interfaces addresses, routes, etc.) can be checked and changed runtime. unixterm(1) can be used as a remote terminal for wirefilter. NOTICE
Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). SEE ALSO
vde_switch(1), vdeq(1), unixterm(1), vde_cryptcab(1), wirefilter(1). AUTHORS
VDE_L3 is a tool by Daniele Lacamera <root@danielinux.net> VDE is a project by Renzo Davoli <renzo@cs.unibo.it> Virtual Distributed Ethernet May 7, 2007 VDE_L3(1)
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