Date: Wed, 24 Jul 2019 13:17:44 -0500 From: Dan Lists <lists.dan@gmail.com> To: Michael Sierchio <kudzu@tenebras.com> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Bridge Not Forwarding ARP Message-ID: <CAPW8bZ27of-L2rc--x6oRK0TiBzOPPtcUeTKA8CW62W7--pesQ@mail.gmail.com> In-Reply-To: <CAPW8bZ3PE20dCaeddfBGA1FOobCa%2BHAxLVeHgvjKp9%2BB_TapkQ@mail.gmail.com> References: <CAPW8bZ2NaXB24p1mtH=A2f8ZukTPn7%2BPKXwUN2F0Osrn0exYNw@mail.gmail.com> <CAHu1Y72BjAgrM6=gFAJK6D9drAqda_oKz1V=cA4Ex18=fdFAQQ@mail.gmail.com> <CAPW8bZ3PE20dCaeddfBGA1FOobCa%2BHAxLVeHgvjKp9%2BB_TapkQ@mail.gmail.com>
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Does anyone have any ideas on how to debug this issue? I can build a custom kernel or use dtrace if necessary. I'm not familiar with the kernel source so I don't really know where to look. Thanks for any help you can provide. On Mon, Jul 8, 2019 at 12:19 PM Dan Lists <lists.dan@gmail.com> wrote: > > On Mon, Jul 8, 2019 at 11:55 AM Michael Sierchio <kudzu@tenebras.com> > wrote: > >> What's your firewall ruleset look like? (show, don't tell) >> > > The firewall is off for testing (the machine is only on a private network= ). > > # ipfw list > 65535 allow ip from any to any > > >> What does sysctl report on the interfaces and on arp? >> >> > I have not changed any settings. > > net.link.ether.inet.log_arp_permanent_modify: 1 > > net.link.ether.inet.log_arp_movements: 1 > > net.link.ether.inet.log_arp_wrong_iface: 1 > > net.link.ether.inet.garp_rexmit_count: 0 > > net.link.bridge.allow_llz_overlap: 0 > > net.link.bridge.inherit_mac: 0 > > net.link.bridge.log_stp: 0 > > net.link.bridge.pfil_local_phys: 0 > > net.link.bridge.pfil_member: 1 > > net.link.bridge.pfil_bridge: 1 > > net.link.bridge.ipfw_arp: 0 > net.link.bridge.pfil_onlyip: 1 > > hw.em.eee_setting: 1 > > hw.em.rx_process_limit: 100 > > hw.em.enable_msix: 1 > > hw.em.sbp: 0 > > hw.em.smart_pwr_down: 0 > > hw.em.txd: 1024 > > hw.em.rxd: 1024 > > hw.em.rx_abs_int_delay: 66 > > hw.em.tx_abs_int_delay: 66 > > hw.em.rx_int_delay: 0 > > hw.em.tx_int_delay: 66 > > hw.em.disable_crc_stripping: 0 > > dev.em.2.wake: 0 > > dev.em.2.mac_stats.tso_ctx_fail: 0 > > dev.em.2.mac_stats.tso_txd: 0 > > dev.em.2.mac_stats.tx_frames_1024_1522: 3 > > dev.em.2.mac_stats.tx_frames_512_1023: 2 > > dev.em.2.mac_stats.tx_frames_256_511: 5675 > > dev.em.2.mac_stats.tx_frames_128_255: 4255 > > dev.em.2.mac_stats.tx_frames_65_127: 35563 > > dev.em.2.mac_stats.tx_frames_64: 918055 > > dev.em.2.mac_stats.mcast_pkts_txd: 0 > > dev.em.2.mac_stats.bcast_pkts_txd: 0 > > dev.em.2.mac_stats.good_pkts_txd: 963553 > > dev.em.2.mac_stats.total_pkts_txd: 963553 > > dev.em.2.mac_stats.good_octets_txd: 60423175 > > dev.em.2.mac_stats.good_octets_recvd: 16906 > > dev.em.2.mac_stats.rx_frames_1024_1522: 1 > > dev.em.2.mac_stats.rx_frames_512_1023: 0 > > dev.em.2.mac_stats.rx_frames_256_511: 0 > > dev.em.2.mac_stats.rx_frames_128_255: 0 > > dev.em.2.mac_stats.rx_frames_65_127: 235 > > dev.em.2.mac_stats.rx_frames_64: 0 > > dev.em.2.mac_stats.mcast_pkts_recvd: 0 > > dev.em.2.mac_stats.bcast_pkts_recvd: 0 > > dev.em.2.mac_stats.good_pkts_recvd: 236 > > dev.em.2.mac_stats.total_pkts_recvd: 236 > > dev.em.2.mac_stats.xoff_txd: 0 > > dev.em.2.mac_stats.xoff_recvd: 0 > > dev.em.2.mac_stats.xon_txd: 0 > > dev.em.2.mac_stats.xon_recvd: 0 > > dev.em.2.mac_stats.coll_ext_errs: 0 > > dev.em.2.mac_stats.alignment_errs: 0 > > dev.em.2.mac_stats.crc_errs: 0 > > dev.em.2.mac_stats.recv_errs: 0 > > dev.em.2.mac_stats.recv_jabber: 0 > > dev.em.2.mac_stats.recv_oversize: 0 > > dev.em.2.mac_stats.recv_fragmented: 0 > > dev.em.2.mac_stats.recv_undersize: 0 > > dev.em.2.mac_stats.recv_no_buff: 0 > > dev.em.2.mac_stats.missed_packets: 0 > > dev.em.2.mac_stats.defer_count: 0 > > dev.em.2.mac_stats.sequence_errors: 0 > > dev.em.2.mac_stats.symbol_errors: 0 > > dev.em.2.mac_stats.collision_count: 0 > > dev.em.2.mac_stats.late_coll: 0 > > dev.em.2.mac_stats.multiple_coll: 0 > > dev.em.2.mac_stats.single_coll: 0 > > dev.em.2.mac_stats.excess_coll: 0 > > dev.em.2.rxd_tail: 235 > > dev.em.2.rxd_head: 236 > > dev.em.2.txd_tail: 127 > > dev.em.2.txd_head: 127 > > dev.em.2.fifo_reset: 0 > > dev.em.2.fifo_workaround: 0 > > dev.em.2.fc_low_water: 45604 > > dev.em.2.fc_high_water: 47104 > > dev.em.2.rx_control: 32794 > > dev.em.2.device_control: 1086325321 > > dev.em.2.watchdog_timeouts: 0 > > dev.em.2.rx_overruns: 0 > > dev.em.2.tx_desc_fail2: 0 > > dev.em.2.tx_desc_fail1: 0 > > dev.em.2.tx_dma_fail: 0 > > dev.em.2.dropped: 0 > > dev.em.2.mbuf_defrag_fail: 0 > > dev.em.2.cluster_alloc_fail: 0 > > dev.em.2.flow_control: 3 > > dev.em.2.rx_processing_limit: 100 > > dev.em.2.itr: 488 > > dev.em.2.tx_abs_int_delay: 66 > > dev.em.2.rx_abs_int_delay: 66 > > dev.em.2.tx_int_delay: 66 > > dev.em.2.rx_int_delay: 0 > > dev.em.2.nvm: -1 > > dev.em.2.%parent: pci2 > > dev.em.2.%pnpinfo: vendor=3D0x8086 device=3D0x100f subvendor=3D0x15ad > subdevice=3D0x0750 class=3D0x020000 > > dev.em.2.%location: slot=3D3 function=3D0 dbsf=3Dpci0:2:3:0 > handle=3D\_SB_.PCI0.P2P0.S4F0 > > dev.em.2.%driver: em > > dev.em.2.%desc: Intel(R) PRO/1000 Legacy Network Connection 1.1.0 > > dev.em.1.wake: 0 > > dev.em.1.mac_stats.tso_ctx_fail: 0 > > dev.em.1.mac_stats.tso_txd: 0 > > dev.em.1.mac_stats.tx_frames_1024_1522: 1 > > dev.em.1.mac_stats.tx_frames_512_1023: 0 > > dev.em.1.mac_stats.tx_frames_256_511: 0 > > dev.em.1.mac_stats.tx_frames_128_255: 0 > > dev.em.1.mac_stats.tx_frames_65_127: 13 > > dev.em.1.mac_stats.tx_frames_64: 222 > > dev.em.1.mac_stats.mcast_pkts_txd: 0 > > dev.em.1.mac_stats.bcast_pkts_txd: 0 > > dev.em.1.mac_stats.good_pkts_txd: 236 > > dev.em.1.mac_stats.total_pkts_txd: 236 > > dev.em.1.mac_stats.good_octets_txd: 15962 > > dev.em.1.mac_stats.good_octets_recvd: 5286574431 > > dev.em.1.mac_stats.rx_frames_1024_1522: 2876152 > > dev.em.1.mac_stats.rx_frames_512_1023: 269810 > > dev.em.1.mac_stats.rx_frames_256_511: 605978 > > dev.em.1.mac_stats.rx_frames_128_255: 1879331 > > dev.em.1.mac_stats.rx_frames_65_127: 3179015 > > dev.em.1.mac_stats.rx_frames_64: 6 > > dev.em.1.mac_stats.mcast_pkts_recvd: 0 > > dev.em.1.mac_stats.bcast_pkts_recvd: 0 > > dev.em.1.mac_stats.good_pkts_recvd: 8809664 > > dev.em.1.mac_stats.total_pkts_recvd: 8816562 > > dev.em.1.mac_stats.xoff_txd: 0 > > dev.em.1.mac_stats.xoff_recvd: 0 > > dev.em.1.mac_stats.xon_txd: 0 > > dev.em.1.mac_stats.xon_recvd: 0 > > dev.em.1.mac_stats.coll_ext_errs: 0 > > dev.em.1.mac_stats.alignment_errs: 0 > > dev.em.1.mac_stats.crc_errs: 0 > > dev.em.1.mac_stats.recv_errs: 0 > > dev.em.1.mac_stats.recv_jabber: 0 > > dev.em.1.mac_stats.recv_oversize: 0 > > dev.em.1.mac_stats.recv_fragmented: 0 > > dev.em.1.mac_stats.recv_undersize: 0 > > dev.em.1.mac_stats.recv_no_buff: 0 > > dev.em.1.mac_stats.missed_packets: 0 > > dev.em.1.mac_stats.defer_count: 0 > > dev.em.1.mac_stats.sequence_errors: 0 > > dev.em.1.mac_stats.symbol_errors: 0 > > dev.em.1.mac_stats.collision_count: 0 > > dev.em.1.mac_stats.late_coll: 0 > > dev.em.1.mac_stats.multiple_coll: 0 > > dev.em.1.mac_stats.single_coll: 0 > > dev.em.1.mac_stats.excess_coll: 0 > > dev.em.1.rxd_tail: 167 > > dev.em.1.rxd_head: 168 > > dev.em.1.txd_tail: 236 > > dev.em.1.txd_head: 236 > > dev.em.1.fifo_reset: 0 > > dev.em.1.fifo_workaround: 0 > > dev.em.1.fc_low_water: 45604 > > dev.em.1.fc_high_water: 47104 > > dev.em.1.rx_control: 32794 > > dev.em.1.device_control: 1086325321 > > dev.em.1.watchdog_timeouts: 0 > > dev.em.1.rx_overruns: 0 > > dev.em.1.tx_desc_fail2: 0 > > dev.em.1.tx_desc_fail1: 0 > > dev.em.1.tx_dma_fail: 0 > > dev.em.1.dropped: 0 > > dev.em.1.mbuf_defrag_fail: 0 > > dev.em.1.cluster_alloc_fail: 0 > > dev.em.1.flow_control: 3 > > dev.em.1.rx_processing_limit: 100 > > dev.em.1.itr: 488 > > dev.em.1.tx_abs_int_delay: 66 > > dev.em.1.rx_abs_int_delay: 66 > > dev.em.1.tx_int_delay: 66 > > dev.em.1.rx_int_delay: 0 > > dev.em.1.nvm: -1 > > dev.em.1.%parent: pci2 > > dev.em.1.%pnpinfo: vendor=3D0x8086 device=3D0x100f subvendor=3D0x15ad > subdevice=3D0x0750 class=3D0x020000 > > dev.em.1.%location: slot=3D2 function=3D0 dbsf=3Dpci0:2:2:0 > handle=3D\_SB_.PCI0.P2P0.S3F0 > > dev.em.1.%driver: em > > dev.em.1.%desc: Intel(R) PRO/1000 Legacy Network Connection 1.1.0 > > >> >> On Mon, Jul 8, 2019 at 9:15 AM Dan Lists <lists.dan@gmail.com> wrote: >> >> > I have a server running FreeBSD 11.2 that I am wanting to use as a >> bridged >> > firewall. I have it set up and it mostly works. The problem is that >> ARP >> > replies are not being forwarded from the outside interface to the insi= de >> > interface. It appears to be working in the other direction. I see t= he >> > ARP request go out on the outside interface and the reply arrives back >> at >> > the outside interface. The ARP reply is never getting to the bridge >> or to >> > the inside interface. >> > >> > The firewall server and the device behind it are in ESX. I think I'v= e >> > worked all the ESX issues out. When I manually add an ARP entry >> everything >> > works. I've done this before with a physical server running FreeBSD >> 8.4 >> > and it works as expected. The differences are physical vs virtual, a= nd >> > 8.4 vs 11.2. >> > >> > I'm at a loss as to why it is not working. I've searched the web and >> > found noting. If anyone could offer suggestions on how to fix this or >> > begin to debug it I would greatly appreciate it. >> > >> > Thanks, >> > >> > Dan >> > _______________________________________________ >> > freebsd-net@freebsd.org mailing list >> > https://lists.freebsd.org/mailman/listinfo/freebsd-net >> > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >> > >> >> >> -- >> >> "Well," Brahm=C4=81 said, "even after ten thousand explanations, a fool = is no >> wiser, but an intelligent person requires only two thousand five hundred= ." >> >> - The Mah=C4=81bh=C4=81rata >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >> >
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