Dear friends
I use RedHat 6.5, which sets the gateway in the configuration file / etc / sysconfig / network as GATEWAY = 192.168.1.26, and the gateway in the configuration file / etc / sysconfig / network-scripts / ifcfg-eth11 as GATEWAY = 192.168.1.256. The two gateways are different. After restarting the service, the default gateway is lost and the external network cannot be accessed. Do you know why?
The configuration file information is as follows:
i'm a real unix newbie, setting up a network, with a router to router vpn connection with a remote site, all the win stuff is talking and pinging and all the stuff it should be doing (yeah and crashing too, lol) but no communication with the unix box, i think the problem is with my default... (3 Replies)
Hi,
I have two interfaces on m AIX 5.3 box. One going to 192.168.1.x and it has a gateway of 192.168.1.1.
I configured the other gateway with 192.168.2.x and the default gateway as 192.168.2.1. But I can't get connectivity to the 192.168.2.1 network. Can someone help me out and let me know... (7 Replies)
Dear Sir
I am a newbie in the world of IP telephony. I have been working with Asterisk PBX (SIP) and Cisco Call Manager (MGCP) but now I am learning on how to work GNUGK for H.323 Gatekeeper.
I am having a problem, configuring static call routing on GNUGK
in the section
... (0 Replies)
Hi,
I have server that I change its network configuration from using DHCP to using static IP.
I have edited the file /etc/sysconfig/network-scripts/ifcfg-eth0
To:
BOOTPROTO=STATIC
IPADDR=xxx.xxx.xxx.xxx
NETMASK=255.255.255.0
GATEWAY=yyy.yyy.yyy.yyy
I did
/etc/init.d/network... (2 Replies)
Hi Greetings...
I have an issue in connecting the zone from outside the network and it is because of default gateway. I can ping default gateway from inside the zone and not able to ping from global zone due to different VLAN issue. If i add two different gateways and restart network services,... (2 Replies)
Hi..I have to change default gateway in my linux machine. Its OS is RHEL6.
I followed following steps.
1.run command ip route to check current default gateway
2.delete that gateway with command
route del default gw x.x.x.x eth2
3.Add new gatewy with command below
route add default gateway... (3 Replies)
hello
iv 2 AIX P720 machine aix 6.1 6100-02-03-0909 both , hacmp ver 6.1.0.0
both machine connect to the same switch. after networking fault , one of the machines lost his default gateway !!!
what can be the reason ?
thx (4 Replies)
I am am using IPv6 IP's with an OS of Debian.
Is it possible to set a *static* default gateway w/o the router being connected? Will that gateway change when the router is connected?
TIA (0 Replies)
Discussion started by: Meow613
0 Replies
LEARN ABOUT SUSE
ifndp-proxy
IFNDP-PROXY(5) Network configuration IFNDP-PROXY(5)NAME
ifndp-proxy[-<interface name>] - IPv6 NDP and IPv4 ARP proxy entries
SYNOPSIS
/etc/sysconfig/network/ifndp-proxy
/etc/sysconfig/network/ifndp-proxy-<interface name>
DESCRIPTION
These files contain IPv6 NDP and IPv4 ARP proxy settings, that should be applied using the ip neigh add proxy command documented in the
ip(8) manual page that provides a common interface for IPv4 and IPv6.
The NDP/ARP proxy is required, e.g. when IP addresses from the same subnet have to be used on the interface of the host as well as on
interfaces behind a (tunnel) interface and using a bridge is not an option.
Don't forget to enable forwarding and the NDP/ARP proxy by setting
net.ipv6.conf.<all|default|interface name>.proxy_ndp = 1
net.ipv6.conf.<all|default|interface name>.forwarding = 1
and/or
net.ipv4.conf.<all|default|interface name>.proxy_arp = 1
net.ipv4.conf.<all|default|interface name>.forwarding = 1
or
net.ipv4.ip_forward = 1
either as global all setting in the /etc/sysctl.conf file or using the ifsysctl(5) files, that allow per-interface setup.
Forwarding can be also enabled in the /etc/sysconfig/sysctl file using the IP_FORWARD and IPV6_FORWARD variables.
The proxy entries are added and deleted using the if-{up|down}.d/ndp-proxy script, every time after an involved interface has been set
up or down.
SYNTAX
The format of the ifndp-proxy file is:
<address> <address interface> <proxy interface list>
The format of the ifndp-proxy-<address interface> file is same to above, but allows also to omit the address interface by using a "-" as
placeholder inside of the file, because it is already available in the file name:
<address> <address interface | -> <proxy interface list>
Lines beginning with # and blank lines are ignored.
Each line defines to add a proxy NDP/ARP entry with the address of or behind address interface to all interfaces in the proxy interface
list.
EXAMPLES
Let's assume, your machine is connected via eth0 to a switch with the networks 2001:db8:abba::/64 and 192.168.100.1/24 and is using the IP
address 1 itself. You'd like to use the addresses 11 and 12 e.g. for virtual machines behind the tap1 and tap2 interface, that is:
2001:db8:abba::1/64 -- local eth0 address
2001:db8:abba::11/64 -- address behind tap1
2001:db8:abba::12/64 -- address behind tap2
192.168.100.1/24 -- local eth0 address
192.168.100.11/24 -- address behind tap1
192.168.100.12/24 -- address behind tap2
then set up the following entries in the ifndp-proxy file:
2001:db8:abba::1 eth0 tap1 tap2
2001:db8:abba::11 tap1 eth0 tap2
2001:db8:abba::12 tap2 eth0 tap1
192.168.100.1 eth0 tap1 tap2
192.168.100.11 tap1 eth0 tap2
192.168.100.12 tap2 eth0 tap1
additionally to the routing entries in the routes or ifroute-<interface name> files.
BUGS
Please report bugs at <https://bugzilla.novell.com/>
AUTHOR
Marius Tomaschewski <mt@suse.de>
SEE ALSO ifup(8)ifcfg(5)ifsysctl(8)sysconfig December 2009 IFNDP-PROXY(5)