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<p class=MsoNormal>Friends,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I'm new to ISC and have recently started using DHCPv6 as a
part of a project to migrate to IPv6. I have setup a dhcp server and client in
my setup. When I use the dhclient to pull out an IP from the server, I can see
the request and reply messages on the server. But I don't see (through ifconfig)
my client interface getting the IP that server offers. Here's the tcpdump log
from the server -<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 64, next-header UDP
(17) payload length: 52) fe80::200:60ff:fe0f:2.dhcpv6-client >
ff02::1:2.dhcpv6-server: [udp sum ok] <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> dhcp6
solicit (xid=806b81 (client ID hwaddr/time type 1 time 323351268 0000600f0002)
(elapsed time 0) (IA_NA IAID:1611595778 T1:3600 T2:5400))<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 255, next-header
ICMPv6 (58) payload length: 32) fe80::221:91ff:fe8e:ae0c > ff02::1:ff0f:2:
[icmp6 sum ok] ICMP6, <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> neighbor
solicitation, length 32, who has fe80::200:60ff:fe0f:2 source link-address
option (1), length 8 (1): 00:21:91:8e:ae:0c 0x0000: 0021 918e ae0c<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 255, next-header ICMPv6
(58) payload length: 32) fe80::200:60ff:fe0f:2 > fe80::221:91ff:fe8e:ae0c:
[icmp6 sum ok] ICMP6, <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> neighbor
advertisement, length 32, tgt is fe80::200:60ff:fe0f:2, Flags [solicited,
override] destination link-address option (2), length 8 (1): 00:00:60:0f:00:02<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
0x0000: 0000 600f 0002<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 64, next-header UDP
(17) payload length: 92) fe80::221:91ff:fe8e:ae0c.dhcpv6-server >
fe80::200:60ff:fe0f:2.dhcpv6-client: [udp sum ok] <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> dhcp6
advertise (xid=806b81 (IA_NA IAID:1611595778 T1:0 T2:0 (IA_ADDR
2001:5c0:1106:2700::252 pltime:375 vltime:600)) <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> (client
ID hwaddr/time type 1 time 323351268 0000600f0002) (server ID hwaddr/time type
1 time 323341550 0021918eae0c))<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 64, next-header UDP
(17) payload length: 98) fe80::200:60ff:fe0f:2.dhcpv6-client >
ff02::1:2.dhcpv6-server: [udp sum ok] <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> dhcp6
request (xid=21ce83 (client ID hwaddr/time type 1 time 323351268 0000600f0002)
(server ID hwaddr/time type 1 time 323341550 0021918eae0c) <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> (elapsed
time 0) (IA_NA IAID:1611595778 T1:3600 T2:5400 (IA_ADDR 2001:5c0:1106:2700::252
pltime:7200 vltime:7500)))<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 64, next-header UDP
(17) payload length: 92) fe80::221:91ff:fe8e:ae0c.dhcpv6-server >
fe80::200:60ff:fe0f:2.dhcpv6-client: [udp sum ok] <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> dhcp6
reply (xid=21ce83 (IA_NA IAID:1611595778 T1:0 T2:0 (IA_ADDR
2001:5c0:1106:2700::252 pltime:375 vltime:600)) <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> (client
ID hwaddr/time type 1 time 323351268 0000600f0002) (server ID hwaddr/time type
1 time 323341550 0021918eae0c))<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 255, next-header
ICMPv6 (58) payload length: 32) fe80::200:60ff:fe0f:2 >
fe80::221:91ff:fe8e:ae0c: [icmp6 sum ok] ICMP6, <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> neighbor
solicitation, length 32, who has fe80::221:91ff:fe8e:ae0c source link-address
option (1), length 8 (1): 00:00:60:0f:00:02<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> 0x0000:
0000 600f 0002<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>IP6 (hlim 255, next-header
ICMPv6 (58) payload length: 24) fe80::221:91ff:fe8e:ae0c >
fe80::200:60ff:fe0f:2: [icmp6 sum ok] ICMP6, <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'> neighbor
advertisement, length 24, tgt is fe80::221:91ff:fe8e:ae0c, Flags [router, solicited]<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Here's my dhcp server's conf file (a very basic one since
I've just started) -<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#0070C0'>default-lease-time 600;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>max-lease-time 7200;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>log-facility local7;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>subnet6 2001:5c0:1106:2700::/64
{<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
# Range for clients<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
range6 2001:5c0:1106:2700::2 2001:5c0:1106:2700::254;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
# Additional options<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
#option dhcp6.name-servers fec0:0:0:1::1;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
#option dhcp6.domain-search "domain.localdomain";<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
# Prefix range for delegation to sub-routers<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
#prefix6 2001:db8:0:100:: 2001:db8:0:f00:: /56;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
# Example for a fixed host address<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
#host specialclient {<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
# host-identifier option dhcp6.client-id
00:01:00:01:4a:1f:ba:e3:60:b9:1f:01:23:45;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
# fixed-address6 2001:db8:0:1::127;<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>
#}<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0070C0'>}<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Could I be missing any setting on my client ? Any
pointers/suggestions are welcome.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal>Kunal<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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