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Today's Topics:
1. DHCPv6 - prefix statement removed - renewal continues (perl-list)
----------------------------------------------------------------------
Message: 1
Date: Mon, 29 Jun 2020 16:10:58 -0400 (EDT)
From: perl-list <perl-l...@network1.net>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: DHCPv6 - prefix statement removed - renewal continues
Message-ID:
<1495904357.3509088.1593461458272.javamail.zim...@network1.net>
Content-Type: text/plain; charset=utf-8
Consider this DHCPv6 network configuration (subnets have been changed to
nonsense):
shared-network SomeNetwork {
preferred-lifetime 77760;
default-lease-time 86400;
subnet6 1234:4321:105:8000::/50 {
}
subnet6 1234:4321:10b:4000::/50 {
prefix-length-mode prefer;
pool6 {
range6 1234:4321:10b:6000::1
1234:4321:10b:7fff:ffff:ffff:ffff:fffe;
prefix6 1234:4321:259:: 1234:4321:259:fff0:: /60;
}
}
}
We had previously had pool6{} range6{} and prefix6{} configurations in
1234:4321:105:8000::/50 Somehow these two devices continue to renew their
prefix delegation and ip allocation:
-----
Jun 29 10:47:28 dhcpserver dhcpd: Reply NA: address
1234:4321:10b:5fff:ffff:ffff:ffff:fffb to client with duid
00:03:00:01:3c:37:86:61:c0:48 iaid = 1 valid for 86400 seconds
Jun 29 10:47:30 dhcpserver dhcpd: Reply NA: address
1234:4321:10b:5fff:ffff:ffff:ffff:fffb to client with duid
00:03:00:01:3c:37:86:61:c0:48 iaid = 1 valid for 86400 seconds
Jun 29 10:47:30 dhcpserver dhcpd: Reply PD: address 1234:4321:258:ff20::/60 to
client with duid 00:03:00:01:3c:37:86:61:c0:48 iaid = 11 valid for 86400
seconds
-----
Jun 29 07:15:42 dhcpserver dhcpd: Reply NA: address
1234:4321:10b:5fff:ffff:ffff:ffff:ffb3 to client with duid
00:03:00:01:e8:fc:af:fd:bc:fa iaid = 1 valid for 86400 seconds
Jun 29 07:15:43 dhcpserver dhcpd: Reply NA: address
1234:4321:10b:5fff:ffff:ffff:ffff:ffb3 to client with duid
00:03:00:01:e8:fc:af:fd:bc:fa iaid = 1 valid for 86400 seconds
Jun 29 07:15:43 dhcpserver dhcpd: Reply PD: address 1234:4321:258:fcc0::/60 to
client with duid 00:03:00:01:e8:fc:af:fd:bc:fa iaid = 11 valid for 86400
seconds
Jun 29 18:03:43 dhcpserver dhcpd: Reply NA: address
1234:4321:10b:5fff:ffff:ffff:ffff:ffb3 to client with duid
00:03:00:01:e8:fc:af:fd:bc:fa iaid = 1 valid for 86400 seconds
Jun 29 18:03:45 dhcpserver dhcpd: Reply NA: address
1234:4321:10b:5fff:ffff:ffff:ffff:ffb3 to client with duid
00:03:00:01:e8:fc:af:fd:bc:fa iaid = 1 valid for 86400 seconds
Jun 29 18:03:45 dhcpserver dhcpd: Reply PD: address 1234:4321:258:fcc0::/60 to
client with duid 00:03:00:01:e8:fc:af:fd:bc:fa iaid = 11 valid for 86400
seconds
-----
There are no host declarations or anything for these hosts. There were several
other hosts in the subnet/prefix who successfully moved to the new
subnet/prefix.
Thoughts?
------------------------------
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End of dhcp-users Digest, Vol 140, Issue 11
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