Zdravím,
mám dvě lokality (A a B) spojené Wireguard tunelem. Všechno funguje správně, až na webové rozhraní malých switchů TP-Link (např. model TL-SG108E). Pokud otevřu v prohlížeči ze sítě A adresu switche v síti B, stránka se mi do prohlížeče nenačte. Ping z A na switch do sítě B funguje. S ostatním provozem také není problém (tiskárny, rdp, smb,...). Pomocí wiresharku jsem si odchytil komunikaci, vymění si 9 packetů a pak už nic.
Předtím jsem používal spojení přes OpenVPN a tam to fungovalo bez problémů.
Kde by mohla být zrada - MTU, fragmentace...?
No. Time Source Destination Protocol Length Info
1 13:33:55.588414 IP_PC IP_TP_LINK TCP 78 58003 → 80 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 WS=64 TSval=1017895603 TSecr=0 SACK_PERM=1
Frame 1: 78 bytes on wire (624 bits), 78 bytes captured (624 bits) on interface en0, id 0
Ethernet II, Src: MAC_PC (MAC_PC), Dst: MAC_TP_LINK (MAC_TP_LINK)
Internet Protocol Version 4, Src: IP_PC, Dst: IP_TP_LINK
Transmission Control Protocol, Src Port: 58003, Dst Port: 80, Seq: 0, Len: 0
No. Time Source Destination Protocol Length Info
2 13:33:55.609355 IP_TP_LINK IP_PC TCP 60 80 → 58003 [SYN, ACK] Seq=0 Ack=1 Win=1460 Len=0 MSS=1460
Frame 2: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface en0, id 0
Ethernet II, Src: MAC_TP_LINK (MAC_TP_LINK), Dst: MAC_PC (MAC_PC)
Internet Protocol Version 4, Src: IP_TP_LINK, Dst: IP_PC
Transmission Control Protocol, Src Port: 80, Dst Port: 58003, Seq: 0, Ack: 1, Len: 0
No. Time Source Destination Protocol Length Info
3 13:33:55.609499 IP_PC IP_TP_LINK TCP 54 58003 → 80 [ACK] Seq=1 Ack=1 Win=65535 Len=0
Frame 3: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface en0, id 0
Ethernet II, Src: MAC_PC (MAC_PC), Dst: MAC_TP_LINK (MAC_TP_LINK)
Internet Protocol Version 4, Src: IP_PC, Dst: IP_TP_LINK
Transmission Control Protocol, Src Port: 58003, Dst Port: 80, Seq: 1, Ack: 1, Len: 0
No. Time Source Destination Protocol Length Info
4 13:33:55.692900 IP_PC IP_TP_LINK HTTP 408 GET / HTTP/1.1
Frame 4: 408 bytes on wire (3264 bits), 408 bytes captured (3264 bits) on interface en0, id 0
Ethernet II, Src: MAC_PC (MAC_PC), Dst: MAC_TP_LINK (MAC_TP_LINK)
Internet Protocol Version 4, Src: IP_PC, Dst: IP_TP_LINK
Transmission Control Protocol, Src Port: 58003, Dst Port: 80, Seq: 1, Ack: 1, Len: 354
Hypertext Transfer Protocol
No. Time Source Destination Protocol Length Info
5 13:33:55.712982 IP_TP_LINK IP_PC TCP 60 80 → 58003 [ACK] Seq=1 Ack=355 Win=1460 Len=0
Frame 5: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface en0, id 0
Ethernet II, Src: MAC_TP_LINK (MAC_TP_LINK), Dst: MAC_PC (MAC_PC)
Internet Protocol Version 4, Src: IP_TP_LINK, Dst: IP_PC
Transmission Control Protocol, Src Port: 80, Dst Port: 58003, Seq: 1, Ack: 355, Len: 0
No. Time Source Destination Protocol Length Info
6 13:33:55.876542 IP_TP_LINK IP_PC TCP 889 [TCP Previous segment not captured] 80 → 58003 [ACK] Seq=10221 Ack=355 Win=1460 Len=835 [TCP segment of a reassembled PDU]
Frame 6: 889 bytes on wire (7112 bits), 889 bytes captured (7112 bits) on interface en0, id 0
Ethernet II, Src: MAC_TP_LINK (MAC_TP_LINK), Dst: MAC_PC (MAC_PC)
Internet Protocol Version 4, Src: IP_TP_LINK, Dst: IP_PC
Transmission Control Protocol, Src Port: 80, Dst Port: 58003, Seq: 10221, Ack: 355, Len: 835
No. Time Source Destination Protocol Length Info
7 13:33:55.876547 IP_TP_LINK IP_PC TCP 60 80 → 58003 [FIN, ACK] Seq=11056 Ack=355 Win=1460 Len=0
Frame 7: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface en0, id 0
Ethernet II, Src: MAC_TP_LINK (MAC_TP_LINK), Dst: MAC_PC (MAC_PC)
Internet Protocol Version 4, Src: IP_TP_LINK, Dst: IP_PC
Transmission Control Protocol, Src Port: 80, Dst Port: 58003, Seq: 11056, Ack: 355, Len: 0
No. Time Source Destination Protocol Length Info
8 13:33:55.876623 IP_PC IP_TP_LINK TCP 54 [TCP Dup ACK 3#1] 58003 → 80 [ACK] Seq=355 Ack=1 Win=65535 Len=0
Frame 8: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface en0, id 0
Ethernet II, Src: MAC_PC (MAC_PC), Dst: MAC_TP_LINK (MAC_TP_LINK)
Internet Protocol Version 4, Src: IP_PC, Dst: IP_TP_LINK
Transmission Control Protocol, Src Port: 58003, Dst Port: 80, Seq: 355, Ack: 1, Len: 0
No. Time Source Destination Protocol Length Info
9 13:33:55.876623 IP_PC IP_TP_LINK TCP 54 [TCP Dup ACK 3#2] 58003 → 80 [ACK] Seq=355 Ack=1 Win=65535 Len=0
Frame 9: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface en0, id 0
Ethernet II, Src: MAC_PC (MAC_PC), Dst: MAC_TP_LINK (MAC_TP_LINK)
Internet Protocol Version 4, Src: IP_PC, Dst: IP_TP_LINK
Transmission Control Protocol, Src Port: 58003, Dst Port: 80, Seq: 355, Ack: 1, Len: 0
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