Date: Tue, 24 May 2016 08:25:00 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-pf@FreeBSD.org Subject: [Bug 207598] pf adds icmp unreach on gre/ipsec somehow Message-ID: <bug-207598-17777-mvoluArWAW@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-207598-17777@https.bugs.freebsd.org/bugzilla/> References: <bug-207598-17777@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207598 --- Comment #6 from Max <maximos@als.nnov.ru> --- Created attachment 170591 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D170591&action= =3Dedit dumps (In reply to Kristof Provost from comment #5) Host "A" config: cloned_interfaces=3D"gre0" ifconfig_em0=3D"inet 192.168.10.1/24" defaultrouter=3D"192.168.10.254" ifconfig_gre0=3D"inet 10.10.1.1 10.10.2.1 tunnel 192.168.10.1 192.168.10.25= 4" static_routes=3D"rb rc" route_rb=3D"10.10.2.0/24 10.10.2.1" route_rc=3D"10.10.3.0/24 10.10.2.1" pf disabled. Host "C" config: cloned_interfaces=3D"gre0" ifconfig_em0=3D"inet 192.168.30.1/24" defaultrouter=3D"192.168.30.254" ifconfig_gre0=3D"inet 10.10.3.1 10.10.2.1 tunnel 192.168.30.1 192.168.30.25= 4" static_routes=3D"ra rb" route_ra=3D"10.10.1.0/24 10.10.2.1" route_rb=3D"10.10.2.0/24 10.10.2.1" pf disabled. Host "B" config: cloned_interfaces=3D"gre0 gre1" ifconfig_em0=3D"inet 192.168.10.254/24" ifconfig_em2=3D"inet 192.168.30.254/24" ifconfig_gre0=3D"inet 10.10.2.1 10.10.1.1 tunnel 192.168.10.254 192.168.10.= 1" ifconfig_gre1=3D"inet 10.10.2.1 10.10.3.1 tunnel 192.168.30.254 192.168.30.= 1" static_routes=3D"ra rc" route_ra=3D"10.10.1.0/24 10.10.1.1" route_rc=3D"10.10.3.0/24 10.10.3.1" pf.conf: set skip on lo #scrub on gre0 max-mss 1360 scrub on gre1 max-mss 1360 pass all pfctl -x misc gre MTU is 1476. So, 1476-28=3D1448 bytes sholud fit MTU. First, on host "A": ping -s 1450 -c 1 10.10.3.1 Then, on host "C": ping -s 1450 -c 1 10.10.1.1 Kernel log on host "B": May 24 10:57:38 isp kernel: em0: promiscuous mode enabled May 24 10:57:39 isp kernel: em2: promiscuous mode enabled May 24 10:58:13 isp kernel: pf_normalize_ip: reass frag 56321 @ 0-1456 May 24 10:58:13 isp kernel: pf_fillup_fragment: reass frag 56321 @ 0-1456pf_normalize_ip: reass frag 56321 @ 1456-1458 May 24 10:58:13 isp kernel: pf_fillup_fragment: reass frag 56321 @ 1456-1458pf_isfull_fragment: 1458 < 1458?pf_reassemble: complete: 0xfffff8001f4aa300(1478) May 24 10:58:13 isp kernel: pf_normalize_ip: reass frag 30208 @ 0-1456 May 24 10:58:13 isp kernel: pf_fillup_fragment: reass frag 30208 @ 0-1456pf_normalize_ip: reass frag 30208 @ 1456-1458 May 24 10:58:13 isp kernel: pf_fillup_fragment: reass frag 30208 @ 1456-1458pf_isfull_fragment: 1458 < 1458?pf_reassemble: complete: 0xfffff8001f662000(1478) May 24 10:58:39 isp kernel: pf_normalize_ip: reass frag 30464 @ 0-1456 May 24 10:58:39 isp kernel: pf_fillup_fragment: reass frag 30464 @ 0-1456pf_normalize_ip: reass frag 30464 @ 1456-1458 May 24 10:58:39 isp kernel: pf_fillup_fragment: reass frag 30464 @ 1456-1458pf_isfull_fragment: 1458 < 1458?pf_reassemble: complete: 0xfffff8001f661d00(1478) May 24 10:58:39 isp kernel: pf_normalize_ip: reass frag 57601 @ 0-1456 May 24 10:58:39 isp kernel: pf_fillup_fragment: reass frag 57601 @ 0-1456pf_normalize_ip: reass frag 57601 @ 1456-1458 May 24 10:58:39 isp kernel: pf_fillup_fragment: reass frag 57601 @ 1456-1458pf_isfull_fragment: 1458 < 1458?pf_reassemble: complete: 0xfffff8001f4aa100(1478) May 24 10:58:56 isp kernel: em0: promiscuous mode disabled May 24 10:58:57 isp kernel: em2: promiscuous mode disabled --=20 You are receiving this mail because: You are the assignee for the bug.=
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