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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Hi,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I am using dhcp 4.2.2 and trying to do the failover. <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Primary server configuration:<o:p></o:p></p><p class=MsoPlainText>failover peer "fo" {<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> primary;<o:p></o:p></p><p class=MsoPlainText> address 10.1.128.18;<o:p></o:p></p><p class=MsoPlainText> port 519;<o:p></o:p></p><p class=MsoPlainText> peer address 10.1.128.232;<o:p></o:p></p><p class=MsoPlainText> peer port 520;<o:p></o:p></p><p class=MsoPlainText> max-response-delay 60;<o:p></o:p></p><p class=MsoPlainText> max-unacked-updates 10;<o:p></o:p></p><p class=MsoPlainText> mclt 360;<o:p></o:p></p><p class=MsoPlainText> split 128;<o:p></o:p></p><p class=MsoPlainText> load balance max seconds 2;<o:p></o:p></p><p class=MsoPlainText>}<o:p></o:p></p><p class=MsoPlainText>shared-network backup{<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>subnet6 2001:4408:5205:128::/64 {<o:p></o:p></p><p class=MsoPlainText> <o:p></o:p></p><p class=MsoPlainText> range6 2001:4408:5205:128::01 2001:4408:5205:128::FF;<o:p></o:p></p><p class=MsoPlainText>}<o:p></o:p></p><p class=MsoPlainText>failover peer "fo";<o:p></o:p></p><p class=MsoPlainText>}<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>But when I start dhcpd, It shows following error:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>[root@Server6 server]# ./dhcpd -6 -cf dhcpv6.conf eth0<o:p></o:p></p><p class=MsoPlainText>Internet Systems Consortium DHCP Server 4.2.4<o:p></o:p></p><p class=MsoPlainText>Copyright 2004-2012 Internet Systems Consortium.<o:p></o:p></p><p class=MsoPlainText>All rights reserved.<o:p></o:p></p><p class=MsoPlainText>For info, please visit https://www.isc.org/software/dhcp/<o:p></o:p></p><p class=MsoPlainText>Wrote 0 deleted host decls to leases file.<o:p></o:p></p><p class=MsoPlainText>Wrote 0 new dynamic host decls to leases file.<o:p></o:p></p><p class=MsoPlainText>Wrote 0 leases to leases file.<o:p></o:p></p><p class=MsoPlainText>Bound to *:547<o:p></o:p></p><p class=MsoPlainText>Listening on Socket/5/eth0/backup<o:p></o:p></p><p class=MsoPlainText>Sending on Socket/5/eth0/backup<o:p></o:p></p><p class=MsoPlainText>failover peer fo: I move from recover to startup<o:p></o:p></p><p class=MsoPlainText><span style='color:red'>failover peer declaration with no referring pools.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:red'>In order to use failover, you MUST refer to your main failover declaration<o:p></o:p></span></p><p class=MsoPlainText><span style='color:red'>in each pool declaration. You MUST NOT use range declarations outside<o:p></o:p></span></p><p class=MsoPlainText><span style='color:red'>of pool declarations.<o:p></o:p></span></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoNormal>When I configure Pool with range 6, It shows error as “<span style='color:red'>range6 cannot be used</span>”, since I am dealing with Ipv6 only address assignment. How can I use failover in that case?<o:p></o:p></p><p class=MsoNormal>Also failover can be used without using shared-network?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>--<o:p></o:p></p><p class=MsoNormal>Thanks & Regards<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Amit Kumar<o:p></o:p></p><p class=MsoNormal>Scientific Officer<o:p></o:p></p><p class=MsoNormal>Operation and Routing Group<o:p></o:p></p><p class=MsoNormal>M/O Communication and IT, NIC A- Block, CGO Complex, New Delhi<o:p></o:p></p><p class=MsoNormal>Ph. 24305091<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p></div></body></html>