Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 19860

For questions about network routers, devices that forward data packets between computer networks, commonly at the network layer (layer 3) of the OSI model.

3 votes
2 answers
2k views

Strange router's MAC address from ICMP Echo Reply?

AFAIK, the MAC address of a packet sent to my PC should belong to my direct router, so I wonder where did that MAC address come from? … The mentioned strange MAC address is 00-25-45-1d-14-21, from a router named CiscoInc_1d:14:21 (Wireshark). …
David Tran's user avatar