[email protected]:~$ sudo tcpdump -Q out -i Ethernet8 -envv icmp6
tcpdump: listening on Ethernet8, link-type EN10MB (Ethernet), capture size 262144 bytes
15:43:20.944080 00:10:94:00:00:05 > 33:33:ff:00:00:01, ethertype IPv6 (0x86dd), length 86: (hlim 255, next-header ICMPv6 (58) payload length: 32) 6001::5 > ff02::1:ff00:1: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 6001::1
source link-address option (1), length 8 (1): 00:10:94:00:00:05
0x0000: 0010 9400 0005
15:43:32.042931 00:00:5e:00:01:01 > 33:33:ff:00:00:05, ethertype IPv6 (0x86dd), length 86: (hlim 255, next-header ICMPv6 (58) payload length: 32) 6001::1 > ff02::1:ff00:5: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 6001::5
source link-address option (1), length 8 (1): 00:00:5e:00:01:01
0x0000: 0000 5e00 0101
15:43:32.043262 00:10:94:00:00:05 > 00:00:5e:00:01:01, ethertype IPv6 (0x86dd), length 86: (hlim 255, next-header ICMPv6 (58) payload length: 32) 6001::5 > 6001::1: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 6001::5, Flags [solicited, override]
destination link-address option (2), length 8 (1): 00:10:94:00:00:05
0x0000: 0010 9400 0005
15:44:02.210919 00:00:5e:00:01:01 > 33:33:ff:00:00:05, ethertype IPv6 (0x86dd), length 86: (hlim 255, next-header ICMPv6 (58) payload length: 32) 6001::1 > ff02::1:ff00:5: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 6001::5
source link-address option (1), length 8 (1): 00:00:5e:00:01:01
0x0000: 0000 5e00 0101
15:44:02.211361 00:10:94:00:00:05 > 00:00:5e:00:01:01, ethertype IPv6 (0x86dd), length 86: (hlim 255, next-header ICMPv6 (58) payload length: 32) 6001::5 > 6001::1: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 6001::5, Flags [solicited, override]
destination link-address option (2), length 8 (1): 00:10:94:00:00:05
0x0000: 0010 9400 0005
^C
5 packets captured
5 packets received by filter
0 packets dropped by kernel
[email protected]:~$ show vlan bri
+-----------+---------------+---------+----------------+-----------------------+---------------+
| VLAN ID | IP Address | Ports | Port Tagging | DHCP Helper Address | Description |
+===========+===============+=========+================+=======================+===============+
| 100 | 165.0.1.1/24 | 25GE5 | untagged | 200.200.200.100 | |
| | 165.0.2.1/24 | 25GE8 | untagged | | |
| | 165.0.3.1/24 | | | | |
| | 165.0.4.1/24 | | | | |
| | 165.0.5.1/24 | | | | |
| | 165.0.6.1/24 | | | | |
| | 165.0.7.1/24 | | | | |
| | 165.0.8.1/24 | | | | |
| | 165.0.9.1/24 | | | | |
| | 165.0.10.1/24 | | | | |
| | 6001::1/64 | | | | |
+-----------+---------------+---------+----------------+-----------------------+---------------+
[email protected]:~$ show ipv6 interfaces
Interface IPv6 address/mask Admin/Oper
----------- -------------------------------------- ------------
Bridge fe80::4cca:b5ff:fea8:dbea%Bridge/64 up/up
25GE5 fe80::e3a:faff:fe35:3cd4%Ethernet5/64 up/up
25GE6 fe80::e3a:faff:fe35:3cd4%Ethernet6/64 up/up
25GE7 fe80::e3a:faff:fe35:3cd4%Ethernet7/64 up/up
25GE8 fe80::e3a:faff:fe35:3cd4%Ethernet8/64 up/up
100GE1 fe80::e3a:faff:fe35:3cd4%Ethernet49/64 up/up
100GE2 fe80::e3a:faff:fe35:3cd4%Ethernet50/64 up/up
100GE3 fe80::e3a:faff:fe35:3cd4%Ethernet51/64 up/up
100GE4 fe80::e3a:faff:fe35:3cd4%Ethernet52/64 up/up
100GE5 fe80::e3a:faff:fe35:3cd4%Ethernet53/64 up/up
100GE6 fe80::e3a:faff:fe35:3cd4%Ethernet54/64 up/up
100GE7 fe80::e3a:faff:fe35:3cd4%Ethernet55/64 up/up
Vlan100 6001::1/64 up/up
fe80::200:5eff:fe00:101%Vlan100/64
eth0 fe80::e3a:faff:fe35:3cd4%eth0/64 up/up
lo ::1/128 up/up
[email protected]:~$ show nd
Address MacAddress Iface Vlan Status
--------- ----------------- --------- ------ ---------
6001::5 00:10:94:00:00:05 25GE5 100 REACHABLE
Total number of entries 1
[email protected]:~$
linux vlanif中有兩個端口Ethernet5、Ethernet8 Ethernet5上學習到一個ND表項，Ethernet5回覆vlanif網關的NS時候，NA報文被Linux轉發到Ethernet8一份，這個邏輯很有問題。。。