Date: Fri, 18 Jun 2021 02:52:58 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 256681] Incorrect loopback route for aliases IP addresses Message-ID: <bug-256681-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256681 Bug ID: 256681 Summary: Incorrect loopback route for aliases IP addresses Product: Base System Version: 13.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: zlei.huang@gmail.com Observed this regression on stable/13 and current/14. Steps to repeat: # ifconfig tap0 create inet 192.0.2.1/24 # ifconfig tap0 inet 192.0.2.2/32 alias To verify the route table: # netstat -4rnW --------------------------------------- Destination Gateway Flags Nhop# Mtu Netif Expire ... 192.0.2.0/24 link#4 U 5 1500 tap0 192.0.2.1 link#4 UHS 6 16384 lo0 192.0.2.2 link#4 UH 7 1500 tap0 ... --------------------------------------- See the loopback route for alias IP address 192.0.2.2 is incorrect. To verify the impact: # ping 192.0.2.2 PING 192.0.2.2 (192.0.2.2): 56 data bytes ping: sendto: No route to host ping: sendto: No route to host Expected route table: 192.0.2.2 link#4 UHS 7 16384 lo0 The Mtu should be 16384 and Netif should be lo0. The Flags should contains = `S`, ie. should be same with 192.0.2.1 Expected behavior: ping alias IP address with success --=20 You are receiving this mail because: You are the assignee for the bug.=
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