https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292759
--- Comment #9 from [email protected] --- (In reply to Zhenlei Huang from comment #8) yep, looks like in promisc it filters vlans: # ifconfig igb1 vlanhwfilter up # ifconfig igb1 promisc # tcpdump -Kpenvi igb1 vlan 20 tcpdump: listening on igb1, link-type EN10MB (Ethernet), snapshot length 262144 bytes ^C 0 packets captured 301 packets received by filter 0 packets dropped by kernel # ifconfig igb1 -vlanhwfilter # tcpdump -Kpenvi igb1 vlan 20 tcpdump: listening on igb1, link-type EN10MB (Ethernet), snapshot length 262144 bytes 17:18:10.786218 00:a0:98:1b:f4:df > ff:ff:ff:ff:ff:ff, ethertype 802.1Q (0x8100), length 60: vlan 20, p 0, ethertype ARP (0x0806), Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.20.88 tell 192.168.20.2, length 42 17:18:11.849720 00:a0:98:1b:f4:df > ff:ff:ff:ff:ff:ff, ethertype 802.1Q (0x8100), length 60: vlan 20, p 0, ethertype ARP (0x0806), Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.20.88 tell 192.168.20.2, length 42 17:18:12.872401 00:a0:98:1b:f4:df > ff:ff:ff:ff:ff:ff, ethertype 802.1Q (0x8100), length 60: vlan 20, p 0, ethertype ARP (0x0806), Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.20.88 tell 192.168.20.2, length 42 ^C 3 packets captured 19 packets received by filter 0 packets dropped by kernel -- You are receiving this mail because: You are the assignee for the bug.
