From mboxrd@z Thu Jan 1 00:00:00 1970 From: yisupeng@gmail.com (Shawn Peng) Date: Tue, 29 Nov 2016 00:10:09 -0500 Subject: Question about arp caches Message-ID: <7415a6e5-260f-9593-a41c-8622c640207e@gmail.com> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org Hi, I'm reading the code about arp protocol. It seems like the kernel uses the neigh_table structure to keep track of caches, right? There should be some code that remove the stale entries in the cache, but I didn't find the code that does this job. Does anyone have an idea? Thanks, Yisu