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Full Discussion: Wpar network,i'm confused
Operating Systems AIX Wpar network,i'm confused Post 302937672 by Linusolaradm1 on Saturday 7th of March 2015 02:43:05 PM
Old 03-07-2015
Quote:
Originally Posted by agent.kgb
you have to write routing table. look at smitty mkroute
I have tried manually
Setting ip for wpar

Code:
chwpar -N address=192.168.4.76 interface=en0 netmask=255.255.255.0 ibmunix2

Then add route

Code:
 chwpar -i -I rtdest=192.168.4.0  rtnetmask=255.255.255.0 rtgateway=192.168.0.44 rtinterface=en0 ibmunix2

Code:
chwpar -i -I rtdest=192.168.0.0  rtnetmask=255.255.255.0 rtgateway=192.168.0.44 rtinterface=en0 ibmunix2

192.168.0.44 is the address of host wpar
i tried also 192.168.0.1 wich is the router but
doesn't work,the ping for 192.168.0.0/24 are dropped
and outside(4.4.4.4 or any internet address) said "network unreachable"
Where is wrong?
 

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CARP(4) 						   BSD Kernel Interfaces Manual 						   CARP(4)

NAME
carp -- Common Address Redundancy Protocol SYNOPSIS
pseudo-device carp [count] DESCRIPTION
The carp interface is a pseudo-device which implements and controls the CARP protocol. carp allows multiple hosts on the same local network to share a set of IP addresses. Its primary purpose is to ensure that these addresses are always available, but in some configurations carp can also provide load balancing functionality. A carp interface can be created at runtime using the ifconfig carpN create command. To use carp, the administrator needs to configure at minimum a common virtual host ID and virtual host IP address on each machine which is to take part in the virtual group. Additional parameters can also be set on a per-interface basis: advbase and advskew, which are used to con- trol how frequently the host sends advertisements when it is the master for a virtual host, and pass which is used to authenticate carp advertisements. Finally carpdev is used to specify which interface the carp device attaches to. If unspecified, the kernel attempts to set carpdev by looking for another interface with the same subnet. These configurations can be done using ifconfig(8), or through the SIOCSVH ioctl. Additionally, there are a number of global parameters which can be set using sysctl(8): net.inet.carp.allow Accept incoming carp packets. Enabled by default. net.inet.carp.preempt Allow virtual hosts to preempt each other. It is also used to failover carp interfaces as a group. When the option is enabled and one of the carp enabled physical interfaces goes down, advskew is changed to 240 on all carp interfaces. See also the first example. Disabled by default. net.inet.carp.log Log bad carp packets. Disabled by default. net.inet.carp.arpbalance Balance local traffic using ARP. Disabled by default. EXAMPLES
For firewalls and routers with multiple interfaces, it is desirable to failover all of the carp interfaces together, when one of the physical interfaces goes down. This is achieved by the preempt option. Enable it on both host A and B: # sysctl -w net.inet.carp.preempt=1 Assume that host A is the preferred master and 192.168.1.x/24 is configured on one physical interface and 192.168.2.y/24 on another. This is the setup for host A: # ifconfig carp0 create # ifconfig carp0 vhid 1 pass mekmitasdigoat 192.168.1.1 netmask 255.255.255.0 # ifconfig carp1 create # ifconfig carp1 vhid 2 pass mekmitasdigoat 192.168.2.1/24 netmask 255.255.255.0 The setup for host B is identical, but it has a higher advskew: # ifconfig carp0 create # ifconfig carp0 vhid 1 advskew 100 pass mekmitasdigoat 192.168.1.1 netmask 255.255.255.0 # ifconfig carp1 create # ifconfig carp1 vhid 2 advskew 100 pass mekmitasdigoat 192.168.2.1 netmask 255.255.255.0 Because of the preempt option, when one of the physical interfaces of host A fails, advskew is adjusted to 240 on all its carp interfaces. This will cause host B to preempt on both interfaces instead of just the failed one. In order to set up an ARP balanced virtual host, it is necessary to configure one virtual host for each physical host which would respond to ARP requests and thus handle the traffic. In the following example, two virtual hosts are configured on two hosts to provide balancing and failover for the IP address 192.168.1.10. First the carp interfaces on Host A are configured. The advskew of 100 on the second virtual host means that its advertisements will be sent out slightly less frequently. # ifconfig carp0 create # ifconfig carp0 vhid 1 pass mekmitasdigoat 192.168.1.10 netmask 255.255.255.0 # ifconfig carp1 create # ifconfig carp1 vhid 2 advskew 100 pass mekmitasdigoat 192.168.1.10 netmask 255.255.255.0 The configuration for host B is identical, except the skew is on virtual host 1 rather than virtual host 2. # ifconfig carp0 create # ifconfig carp0 vhid 1 advskew 100 pass mekmitasdigoat 192.168.1.10 netmask 255.255.255.0 # ifconfig carp1 create # ifconfig carp1 vhid 2 pass mekmitasdigoat 192.168.1.10 netmask 255.255.255.0 Finally, the ARP balancing feature must be enabled on both hosts: # sysctl -w net.inet.carp.arpbalance=1 When the hosts receive an ARP request for 192.168.1.10, the source IP address of the request is used to compute which virtual host should answer the request. The host which is master of the selected virtual host will reply to the request, the other(s) will ignore it. This way, locally connected systems will receive different ARP replies and subsequent IP traffic will be balanced among the hosts. If one of the hosts fails, the other will take over the virtual MAC address, and begin answering ARP requests on its behalf. Note: ARP balancing only works on the local network segment. It cannot balance traffic that crosses a router, because the router itself will always be balanced to the same virtual host. SEE ALSO
netstat(1), sysctl(3), arp(4), arp(8), ifconfig(8), sysctl(8) HISTORY
The carp device first appeared in OpenBSD 3.5. BSD
October 16, 2003 BSD
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