https://bugzilla.novell.com/show_bug.cgi?id=821879 https://bugzilla.novell.com/show_bug.cgi?id=821879#c21 Bernhard Wiedemann <bwiedemann@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mrueckert@suse.com --- Comment #21 from Bernhard Wiedemann <bwiedemann@suse.com> 2013-05-29 16:44:01 CEST --- It looks as if the duplication happens in the bridge interface # tcpdump -s 1600 -epni vnet3 icmp6 tcpdump: WARNING: vnet3: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on vnet3, link-type EN10MB (Ethernet), capture size 1600 bytes 14:37:23.392257 fa:16:3e:23:f6:4d > 33:33:ff:23:f6:4d, ethertype IPv6 (0x86dd), length 78: :: > ff02::1:ff23:f64d: ICMP6, neighbor solicitation, who has fe80::f816:3eff:fe23:f64d, length 24 14:37:23.392279 fa:16:3e:23:f6:4d > 33:33:ff:23:f6:4d, ethertype IPv6 (0x86dd), length 78: :: > ff02::1:ff23:f64d: ICMP6, neighbor solicitation, who has fe80::f816:3eff:fe23:f64d, length 24 # tcpdump -s 1600 -epni br563 icmp6 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on br563, link-type EN10MB (Ethernet), capture size 1600 bytes 14:37:23.392257 fa:16:3e:23:f6:4d > 33:33:ff:23:f6:4d, ethertype IPv6 (0x86dd), length 78: :: > ff02::1:ff23:f64d: ICMP6, neighbor solicitation, who has fe80::f816:3eff:fe23:f64d, length 24 The two packets are only 22 microseconds apart which is about the time a ping on 127.0.0.1 takes but much less than anything over the network. also brctl showmacs br563 |grep 33:33:ff:23:f6:4d does not return anything, so I guess the default bridge behaviour is to pass the packet to all ports - but should that really include the port it came from? Host kernel is 3.0.74-0.6.8-default -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.