# ./server/dhcpd -6 -cf dhcpd-dhcpv6.conf -lf /usr/local/var/db/dhcpd6.leases -d e1000g0 &
[1] 1617
# Internet Systems Consortium DHCP Server 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Config file: dhcpd-dhcpv6.conf
Database file: /usr/local/var/db/dhcpd6.leases
PID file: /var/run/dhcpd6.pid
Wrote 0 deleted host decls to leases file.
Wrote 0 new dynamic host decls to leases file.
Wrote 27 NA, 0 TA, 0 PD leases to lease file.
Bound to *:547
Listening on Socket/6/e1000g0/2001:25FF:403::/64
Sending on Socket/6/e1000g0/2001:25FF:403::/64
Server starting service.
# Solicit message from fe80::ec4:7aff:fe3d:11dc port 546, transaction ID 0x9A3E7400
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# snoop port 546 or port 547
Using device e1000g0 (promiscuous mode)
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Advertise NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Advertise NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Advertise NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Advertise NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Advertise NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Advertise NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547
2001:25FF:403:ffff:ffff:ffff:fffe:ff85 -> 2001:25FF:403::1:1fb（接口DHCPv6獲取的IPv6地址） DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Solicit
2001:25FF:403:ffff:ffff:ffff:fffe:ff81 -> 2001:25FF:403::1:20（接口手動配置的IPv6地址） DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Solicit
2001:25FF:403::1:1fb（接口DHCPv6獲取的IPv6地址） -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Advertise
2001:25FF:403::1:1fb（接口DHCPv6獲取的IPv6地址） -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Advertise
2001:25FF:403:ffff:ffff:ffff:fffe:ff81 -> 2001:25FF:403::1:20 DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Solicit
2001:25FF:403:ffff:ffff:ffff:fffe:ff85 -> 2001:25FF:403::1:1fb DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Solicit
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Advertise
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Advertise
2001:25FF:403:ffff:ffff:ffff:fffe:ff81 -> 2001:25FF:403::1:20 DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Solicit
2001:25FF:403:ffff:ffff:ffff:fffe:ff85 -> 2001:25FF:403::1:1fb DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Solicit
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Advertise
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Advertise
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Reply NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Reusing lease for: 2001:25FF:403:83::189, age 2192 secs < 25%, sending shortened lifetimes - preferred: 602608, valid 2589808
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Reply NA: address 2001:25FF:403:83::189 to client with duid 00:01:00:01:20:90:a5:7f:00:21:86:23:91:a8 iaid = 50340230 valid for 2592000 seconds
Reusing lease for: 2001:25FF:403:83::189, age 2192 secs < 25%, sending shortened lifetimes - preferred: 602608, valid 2589808
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547
2001:25FF:403:ffff:ffff:ffff:fffe:ff81 -> 2001:25FF:403::1:20 DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Request
2001:25FF:403:ffff:ffff:ffff:fffe:ff85 -> 2001:25FF:403::1:1fb DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Request
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Reply
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Reply
Solicit message from fe80::ec4:7aff:fe3d:11dc port 546, transaction ID 0x9A3E7400
fe80::ec4:7aff:fe3d:11dc -> ff02::1:2 DHCPv6 Solicit xid=743e9a
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547
2001:25FF:403:ffff:ffff:ffff:fffe:ff81 -> 2001:25FF:403::1:20 DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Confirm
2001:25FF:403:ffff:ffff:ffff:fffe:ff85 -> 2001:25FF:403::1:1fb DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Confirm
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Reply
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Reply
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 port 547
Relay-forward message from 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547, link address 2001:25FF:403:83::1, peer address fe80::4dda:6399:6c75:d947
Sending Relay-reply to 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 port 547
2001:25FF:403:ffff:ffff:ffff:fffe:ff81 -> 2001:25FF:403::1:20 DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Confirm
2001:25FF:403:ffff:ffff:ffff:fffe:ff85 -> 2001:25FF:403::1:1fb DHCPv6 Relay-Forward HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Confirm
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff81 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Reply
2001:25FF:403::1:1fb -> 2001:25FF:403:ffff:ffff:ffff:fffe:ff85 DHCPv6 Relay-Reply HC=0 link=2001:25FF:403:83::1 peer=fe80::4dda:6399:6c75:d947 relay=Reply
Solicit message from fe80::ec4:7aff:fe3d:11dc port 546, transaction ID 0x9A3E7400
fe80::ec4:7aff:fe3d:11dc -> ff02::1:2 DHCPv6 Solicit xid=743e9a