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Regression #14735

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``arp`` command is not filtering output as expected, behavior changed in FreeBSD

Regression #14735: ``arp`` command is not filtering output as expected, behavior changed in FreeBSD

Added by Christian McDonald about 3 years ago. Updated almost 3 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Christian McDonald
Category:
Operating System
Target version:
2.7.1
Start date:
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
23.09
Release Notes:
Force Exclusion
Affected Version:
Affected Architecture:

Files

clipboard-202308311919-cliyy.png (124 KB) clipboard-202308311919-cliyy.png Danilo Zrenjanin, 08/31/2023 05:19 PM

DZ Updated by Danilo Zrenjanin about 3 years ago Actions
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 #1

I couldn't reproduce it on 23.05.1

It pulled the MAC address from my MacOS interface connected to the firewall.

CM Updated by Christian McDonald about 3 years ago Actions
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 #2

Seems to be a regression on 23.09

DZ Updated by Danilo Zrenjanin about 3 years ago Actions
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 #3

  • Status changed from New to Confirmed

Ok. I replicated the issue on:

23.09-DEVELOPMENT (amd64)
built on Sat Aug 26 04:50:14 UTC 2023
FreeBSD 14.0-ALPHA2

I am changing the status to confirmed.

JP Updated by Jim Pingle about 3 years ago Actions
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 #4

  • Category changed from DHCP (IPv4) to Operating System

The problem here is that the behavior of the arp command has changed. Running arp -n <ip addr> used to limit the output to only the row for that IP address. Now it's returning all of them as if it was run with -a. Because it's returning all of the entries, the firewall itself is first, which is where it gets that MAC address from.

Looks like a bug in arp on FreeBSD to me. We could work around it, but given how broken the current behavior is, it would be better to get it fixed upstream.

JP Updated by Jim Pingle about 3 years ago Actions
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 #5

  • Subject changed from ```Copy My MAC``` returns MAC of firewall instead of client to ``arp`` command is not filtering output as expected, behavior changed in FreeBSD

CM Updated by Christian McDonald about 3 years ago Actions
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 #6

  • Status changed from Confirmed to Waiting on Merge

JP Updated by Jim Pingle about 3 years ago Actions
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 #7

  • Target version changed from CE-Next to 2.8.0

CM Updated by Christian McDonald almost 3 years ago Actions
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 #8

  • Status changed from Waiting on Merge to Feedback

DZ Updated by Danilo Zrenjanin almost 3 years ago Actions
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 #9

  • Status changed from Feedback to Resolved

I have conducted a test on the most recent build today and can verify that it is performing as expected.

I am marking this ticket closed.

JP Updated by Jim Pingle almost 3 years ago Actions
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 #10

For good measure I also tested out the arp fixes and everything is working properly as far as I can see now.

Manually at the CLI I can filter by address and by interface.

The 'Copy My MAC' button on DHCP static mappings also works as expected from a directly connected client.

JP Updated by Jim Pingle almost 3 years ago Actions
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 #11

  • Target version changed from 2.8.0 to 2.7.1
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