Ucarp - Flapping
Hello Everyone!
I am already configured ucarp with 2 Virtual Machine on separate HOST (vmware vshere 5.1). Everything works fine! Today network admin talked about flapping between the two vm's which i am configured ucarp. When i open logs for both vm, it show me a lot of warnoing as bellow: ucarp[473]: [WARNING] Bad digest – md2=[f9dc12f8…] md=[09c565cf…] – Check vhid, password and virtual IP address OS: Oracle Linux 6.6 My configuration as bellow: Server 1 /etc/ucarp/vip-001.conf ID=”001″ BIND_INTERFACE=”eth0″ SOURCE_ADDRESS=”x.x.x.y” VIP_ADDRESS=”x.x.x.z” PASSWORD=”mypass” OPTIONS=”–shutdown –preempt –advskew=10″ ---------------------------------------------------------------------------- Server 2 /etc/ucarp/vip-001.conf ID=”001″ BIND_INTERFACE=”eth0″ SOURCE_ADDRESS=”x.x.x.a” VIP_ADDRESS=”x.x.x.z” PASSWORD=”mypass” ------------------------------------ /usr/libexec/ucarp/vip-up #!/bin/sh exec 2>/dev/null /sbin/ifconfig eth0:0 x.x.x.z/24 up ------------------------------------------------------- /usr/libexec/ucarp/vip-down #!/bin/sh exec 2>/dev/null /sbin/ifconfig eth0:0 down ----------------------------------------------- I am already enabled promiscuous mode on both hosts network (vmware) Where is the issue? |
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