Hello, and thanks for your help on this matter.
I have my laptop on and running, I've been seeing private 10.x.x.x.x in Wireshark and in my Asus router. I have not configured this type of Private IP Address on my home network. I run a Random packet capture before I connect my computer to the back of my ISP modem. My computer has WIFI disabled in the Bios. Below is what I capture. Oh, my Asus router was not even plugged in.
These are not my devices in my home.
Frame 1: 2629 bytes on wire, 2629 bytes captured on interface randpkt, id 0 Interface id: 0 (randpkt) Interface name: randpkt Interface description: Random packet generator Encapsulation type: Ethernet (1) Arrival Time: (0)Dec 31, 1969 18:00:00.000000000 Central Standard Time [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 0.000000000 seconds] [Time since reference or first frame: 0.000000000 seconds] Frame Number: 1 Frame Length: 2629 bytes (21032 bits) Capture Length: 2629 bytes (21032 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:tcp:tds:data] [Coloring Rule Name: Checksum Errors] [Coloring Rule String: cdp.checksum.status=="Bad" || edp.checksum.status=="Bad" || ip.checksum.status=="Bad" || tcp.checksum.status=="Bad" || udp.checksum.status=="Bad"|| sctp.checksum.status=="Bad" || mstp.checksum.status=="Bad"] Ethernet II, Src: Cisco_98:39:81 (00:08:a3:98:39:81), Dst: HewlettP_0d:7a:ed (00:50:8b:0d:7a:ed) Destination: HewlettP_0d:7a:ed (00:50:8b:0d:7a:ed) <[Destination (resolved): HewlettP_0d:7a:ed]> <[Destination OUI: 00:50:8b (Hewlett Packard)]> <[Destination OUI (resolved): Hewlett Packard]> Address: HewlettP_0d:7a:ed (00:50:8b:0d:7a:ed) <[Address (resolved): HewlettP_0d:7a:ed]> <[Address OUI: 00:50:8b (Hewlett Packard)]> <[Address OUI (resolved): Hewlett Packard]> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) <.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)> .... ...0 .... .... .... .... = IG bit: Individual address (unicast) <.... ...0 .... .... .... .... = IG bit: Individual address (unicast)> Source: Cisco_98:39:81 (00:08:a3:98:39:81) <[Source (resolved): Cisco_98:39:81]> <[Source OUI: 00:08:a3 (Cisco Systems, Inc)]> <[Source OUI (resolved): Cisco Systems, Inc]> Address: Cisco_98:39:81 (00:08:a3:98:39:81) <[Address (resolved): Cisco_98:39:81]> <[Address OUI: 00:08:a3 (Cisco Systems, Inc)]> <[Address OUI (resolved): Cisco Systems, Inc]> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) <.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)> .... ...0 .... .... .... .... = IG bit: Individual address (unicast) <.... ...0 .... .... .... .... = IG bit: Individual address (unicast)> Type: IPv4 (0x0800) Trailer: 52 9c 5d 5b 2e 29 f7 43 71 cd 5d 4c 7b d9 a0 7c 34 15 25 73 00 b2 1f b2 … Frame check sequence: 0x0bf53599 incorrect, should be 0xd2d4f9bc [Expert Info (Error/Checksum): Bad checksum [should be 0xd2d4f9bc]] [Bad checksum [should be 0xd2d4f9bc]] <message: bad="" checksum="" [should="" be="" 0xd2d4f9bc]>="" [severity="" level:="" error]="" [group:="" checksum]="" [fcs="" status:="" bad]="" internet="" protocol="" version="" 4,="" src:="" 172.20.2.34="" (172.20.2.34),="" dst:="" 10.194.238.130="" (10.194.238.130)="" 0100="" ....="Version:" 4="" ....="" 0101="Header" length:="" 20="" bytes="" (5)="" differentiated="" services="" field:="" 0x00="" (dscp:="" cs0,="" ecn:="" not-ect)="" 0000="" 00..="Differentiated" services="" codepoint:="" default="" (0)="" ....="" ..00="Explicit" congestion="" notification:="" not="" ecn-capable="" transport="" (0)="" total="" length:="" 909="" identification:="" 0x90d4="" (37076)="" flags:="" 0x40,="" don't="" fragment="" 0...="" ....="Security" flag:="" not="" evil="" .1..="" ....="Don't" fragment:="" set="" ..0.="" ....="More" fragments:="" not="" set="" ...0="" 0000="" 0000="" 0000="Fragment" offset:="" 0="" time="" to="" live:="" 124="" protocol:="" tcp="" (6)="" header="" checksum:="" 0xc31b="" [correct]="" [header="" checksum="" status:="" good]="" [calculated="" checksum:="" 0xc31b]="" source="" address:="" 172.20.2.34="" (172.20.2.34)="" <source="" or="" destination="" address:="" 172.20.2.34="" (172.20.2.34)>="" <[source="" host:="" 172.20.2.34]>="" <[source="" or="" destination="" host:="" 172.20.2.34]>="" destination="" address:="" 10.194.238.130="" (10.194.238.130)="" <source="" or="" destination="" address:="" 10.194.238.130="" (10.194.238.130)>="" <[destination="" host:="" 10.194.238.130]>="" <[source="" or="" destination="" host:="" 10.194.238.130]>="" transmission="" control="" protocol,="" src="" port:="" ms-sql-s="" (1433),="" dst="" port:="" theta-lm="" (2296),="" seq:="" 1,="" ack:="" 1,="" len:="" 869="" source="" port:="" ms-sql-s="" (1433)="" destination="" port:="" theta-lm="" (2296)="" <source="" or="" destination="" port:="" ms-sql-s="" (1433)>="" <source="" or="" destination="" port:="" theta-lm="" (2296)>="" [stream="" index:="" 0]="" [conversation="" completeness:="" incomplete="" (8)]="" [tcp="" segment="" len:="" 869]="" sequence="" number:="" 1="" (relative="" sequence="" number)="" sequence="" number="" (raw):="" 4283336006="" [next="" sequence="" number:="" 870="" (relative="" sequence="" number)]="" acknowledgment="" number:="" 1="" (relative="" ack="" number)="" acknowledgment="" number="" (raw):="" 2729722538="" 0101="" ....="Header" length:="" 20="" bytes="" (5)="" flags:="" 0x018="" (psh,="" ack)="" 000.="" ....="" ....="Reserved:" not="" set="" ...0="" ....="" ....="Nonce:" not="" set="" ....="" 0...="" ....="Congestion" window="" reduced="" (cwr):="" not="" set="" ....="" .0..="" ....="ECN-Echo:" not="" set="" ....="" ..0.="" ....="Urgent:" not="" set="" ....="" ...1="" ....="Acknowledgment:" set="" ....="" ....="" 1...="Push:" set="" ....="" ....="" .0..="Reset:" not="" set="" ....="" ....="" ..0.="Syn:" not="" set="" ....="" ....="" ...0="Fin:" not="" set="" [tcp="" flags:="" ·······ap···]="" window:="" 15400="" [calculated="" window="" size:="" 15400]="" [window="" size="" scaling="" factor:="" -1="" (unknown)]="" checksum:="" 0x0fda="" incorrect,="" should="" be="" 0x1cb2(maybe="" caused="" by="" "tcp="" checksum="" offload"?)="" [expert="" info="" (error="" checksum):="" bad="" checksum="" [should="" be="" 0x1cb2]]="" [bad="" checksum="" [should="" be="" 0x1cb2]]="" <message:="" bad="" checksum="" [should="" be="" 0x1cb2]>="" [severity="" level:="" error]="" [group:="" checksum]="" [checksum="" status:="" bad]="" [calculated="" checksum:="" 0x1cb2]="" urgent="" pointer:="" 0="" [timestamps]="" [time="" since="" first="" frame="" in="" this="" tcp="" stream:="" 0.000000000="" seconds]="" [time="" since="" previous="" frame="" in="" this="" tcp="" stream:="" 0.000000000="" seconds]="" [seq="" ack="" analysis]="" [bytes="" in="" flight:="" 869]="" [bytes="" sent="" since="" last="" psh="" flag:="" 869]="" tcp="" payload="" (869="" bytes)="" [pdu="" size:="" 63797]="" tabular="" data="" stream="" type:="" unknown="" (219)="" status:="" 0xde,="" ignore="" this="" event,="" event="" notification,="" reset="" connection,="" reset="" connection="" keeping="" transaction="" state="" ....="" ...0="End" of="" message:="" false="" ....="" ..1.="Ignore" this="" event:="" true="" ....="" .1..="Event" notification:="" true="" ....="" 1...="Reset" connection:="" true="" ...1="" ....="Reset" connection="" keeping="" transaction="" state:="" true="" length:="" 63797="" channel:="" 42915="" packet="" number:="" 160="" window:="" 97="" data="" (861="" bytes)="" data:="" 7c="" c8="" 3b="" 9c="" 97="" 36="" 6b="" 24="" fc="" 81="" 18="" 13="" 90="" 4b="" 10="" 92="" 09="" d3="" bb="" 47="" 30="" ee="" 2e="" 25="" …="" text:="" |�;��6k$��\030\023�k\020�\t��g0�.%s="" [expert="" info="" (warning="" undecoded):="" trailing="" stray="" characters]="" [trailing="" stray="" characters]="" <message:="" trailing="" stray="" characters=""> [Severity level: Warning] [Group: Undecoded] [Payload MD5 hash: a052b93bf84a9a9965c7317c6b30a93d] [Length: 861]
