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- >>> sudo tcpdump -vi enp0s31f6
- tcpdump: listening on enp0s31f6, link-type EN10MB (Ethernet), capture size 262144 bytes
- 02:19:38.206799 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 40, options (RA))
- silvretta > igmp.mcast.net: igmp v3 report, 1 group record(s) [gaddr 224.0.0.251 to_ex, 0 source(s)]
- 02:19:38.246347 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has _gateway tell silvretta, length 28
- 02:19:38.298011 IP (tos 0x0, ttl 255, id 17457, offset 0, flags [DF], proto UDP (17), length 169)
- silvretta.mdns > 224.0.0.251.mdns: 0 [9q] PTR (QM)? _nfs._tcp.local. PTR (QM)? _ipp._tcp.local. PTR (QM)? _ipps._tcp.local. PTR (QM)? _ftp._tcp.local. PTR (QM)? _webdav._tcp.local. PTR (QM)? _webdavs._tcp.local. PTR (QM)? _sftp-ssh._tcp.local. PTR (QM)? _smb._tcp.local. PTR (QM)? _afpovertcp._tcp.local. (141)
- 02:19:38.488022 IP (tos 0x0, ttl 255, id 17500, offset 0, flags [DF], proto UDP (17), length 123)
- silvretta.mdns > 224.0.0.251.mdns: 0 [2q] [2n] ANY (QM)? 104.1.168.192.in-addr.arpa. ANY (QM)? silvretta.local. (95)
- 02:19:38.739002 IP (tos 0x0, ttl 255, id 17531, offset 0, flags [DF], proto UDP (17), length 123)
- silvretta.mdns > 224.0.0.251.mdns: 0 [2q] [2n] ANY (QM)? 104.1.168.192.in-addr.arpa. ANY (QM)? silvretta.local. (95)
- 02:19:38.883497 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 40, options (RA))
- silvretta > igmp.mcast.net: igmp v3 report, 1 group record(s) [gaddr 224.0.0.251 to_ex, 0 source(s)]
- 02:19:38.989813 IP (tos 0x0, ttl 255, id 17571, offset 0, flags [DF], proto UDP (17), length 123)
- silvretta.mdns > 224.0.0.251.mdns: 0 [2q] [2n] ANY (QM)? 104.1.168.192.in-addr.arpa. ANY (QM)? silvretta.local. (95)
- 02:19:39.190811 IP (tos 0x0, ttl 255, id 17593, offset 0, flags [DF], proto UDP (17), length 111)
- silvretta.mdns > 224.0.0.251.mdns: 0*- [0q] 2/0/0 104.1.168.192.in-addr.arpa. (Cache flush) PTR silvretta.local., silvretta.local. (Cache flush) A 192.168.1.104 (83)
- 02:19:39.253448 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has _gateway tell silvretta, length 28
- 02:19:39.299093 IP (tos 0x0, ttl 255, id 17611, offset 0, flags [DF], proto UDP (17), length 169)
- silvretta.mdns > 224.0.0.251.mdns: 0 [9q] PTR (QM)? _nfs._tcp.local. PTR (QM)? _ipp._tcp.local. PTR (QM)? _ipps._tcp.local. PTR (QM)? _ftp._tcp.local. PTR (QM)? _webdav._tcp.local. PTR (QM)? _webdavs._tcp.local. PTR (QM)? _sftp-ssh._tcp.local. PTR (QM)? _smb._tcp.local. PTR (QM)? _afpovertcp._tcp.local. (141)
- 02:20:05.716784 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 40, options (RA))
- silvretta > igmp.mcast.net: igmp v3 report, 1 group record(s) [gaddr 224.0.0.251 to_ex, 0 source(s)]
- 02:20:05.754108 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has _gateway tell silvretta, length 28
- 02:20:05.808279 IP (tos 0x0, ttl 255, id 24147, offset 0, flags [DF], proto UDP (17), length 169)
- silvretta.mdns > 224.0.0.251.mdns: 0 [9q] PTR (QM)? _nfs._tcp.local. PTR (QM)? _ipp._tcp.local. PTR (QM)? _ipps._tcp.local. PTR (QM)? _ftp._tcp.local. PTR (QM)? _webdav._tcp.local. PTR (QM)? _webdavs._tcp.local. PTR (QM)? _sftp-ssh._tcp.local. PTR (QM)? _smb._tcp.local. PTR (QM)? _afpovertcp._tcp.local. (141)
- 02:20:05.822516 IP (tos 0x0, ttl 255, id 24148, offset 0, flags [DF], proto UDP (17), length 123)
- silvretta.mdns > 224.0.0.251.mdns: 0 [2q] [2n] ANY (QM)? 104.1.168.192.in-addr.arpa. ANY (QM)? silvretta.local. (95)
- 02:20:06.072617 IP (tos 0x0, ttl 255, id 24198, offset 0, flags [DF], proto UDP (17), length 123)
- silvretta.mdns > 224.0.0.251.mdns: 0 [2q] [2n] ANY (QM)? 104.1.168.192.in-addr.arpa. ANY (QM)? silvretta.local. (95)
- 02:20:06.323399 IP (tos 0x0, ttl 255, id 24226, offset 0, flags [DF], proto UDP (17), length 123)
- silvretta.mdns > 224.0.0.251.mdns: 0 [2q] [2n] ANY (QM)? 104.1.168.192.in-addr.arpa. ANY (QM)? silvretta.local. (95)
- 02:20:06.346823 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 40, options (RA))
- silvretta > igmp.mcast.net: igmp v3 report, 1 group record(s) [gaddr 224.0.0.251 to_ex, 0 source(s)]
- 02:20:06.524204 IP (tos 0x0, ttl 255, id 24241, offset 0, flags [DF], proto UDP (17), length 111)
- silvretta.mdns > 224.0.0.251.mdns: 0*- [0q] 2/0/0 104.1.168.192.in-addr.arpa. (Cache flush) PTR silvretta.local., silvretta.local. (Cache flush) A 192.168.1.104 (83)
- 02:20:06.773494 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has _gateway tell silvretta, length 28
- 02:20:06.808737 IP (tos 0x0, ttl 255, id 24273, offset 0, flags [DF], proto UDP (17), length 169)
- silvretta.mdns > 224.0.0.251.mdns: 0 [9q] PTR (QM)? _nfs._tcp.local. PTR (QM)? _ipp._tcp.local. PTR (QM)? _ipps._tcp.local. PTR (QM)? _ftp._tcp.local. PTR (QM)? _webdav._tcp.local. PTR (QM)? _webdavs._tcp.local. PTR (QM)? _sftp-ssh._tcp.local. PTR (QM)? _smb._tcp.local. PTR (QM)? _afpovertcp._tcp.local. (141)
- 02:20:07.589190 IP (tos 0x0, ttl 255, id 24386, offset 0, flags [DF], proto UDP (17), length 111)
- silvretta.mdns > 224.0.0.251.mdns: 0*- [0q] 2/0/0 104.1.168.192.in-addr.arpa. (Cache flush) PTR silvretta.local., silvretta.local. (Cache flush) A 192.168.1.104 (83)
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