[Bug 206143] DLINK DUB-E100 revision C1 can't reach destination

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206143

--- Comment #21 from Anatoly <anatoly at kazanfieldhockey.ru> ---
(In reply to Mantas from comment #19)
I see in attached test.pcap file at record 112 that you're trying to connect to
port 443 (https) on 192.168.1.1 (pfsence). You (192.168.1.100) sending SYN. And
something really listens on this port, since you've got SYN, ACK back (rec.
113). But this SYN, ACK obviously never reaches you. All that repeat 3 times.
If it isn't firewall blocks those packets, probably they may corrupt for weird
reason while traveling back. You may try:
Disable checksum offloading on ue0:
#ifconfig ue0 -txcsum -rxcsum
Switch link to slowest mode:
#ifconfig ue0 media 10baseT/UTP mediaopt half-duplex
But thats really strange since there's no problems with ARP nor ICMP packets.
Will it work to ping pfsence with 24-byte packets? >ping -l 24 192.168.1.1 (on
windows); #ping -s 24 192.168.1.1 (on unixes)

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