lwIP - A Lightweight TCP/IP stack - Bugs: bug #34684, Clear the arp table cache when...
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bug #34684: Clear the arp table cache when netif is brought down
Submitter: | Amir Shalem <amirshalem> | ||
Submitted: | Sat 29 Oct 2011 01:41:36 PM UTC | ||
Category: | ARP | Severity: | 3 - Normal |
Item Group: | Change Request | Status: | Fixed |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | CVS Head |
Jump to the original submission
Thu 24 Nov 2011 08:13:46 PM UTC, comment #14: |
Simon Goldschmidt <goldsimon> |
Thu 24 Nov 2011 08:00:48 PM UTC, comment #13: The patch committed to git is bad, as it doesn't update the `netif` member (if SNMP is disabled).
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Amir Shalem <amirshalem> |
Tue 22 Nov 2011 08:47:04 PM UTC, comment #12: Fixed, thanks for the patch.
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Simon Goldschmidt <goldsimon> |
Sun 13 Nov 2011 04:05:28 PM UTC, comment #11:
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Simon Goldschmidt <goldsimon> |
Thu 10 Nov 2011 04:36:58 PM UTC, comment #10: On second thoughts this should be considered for 1.4.1 as current code is arguably incorrect behaviour. |
Kieran Mansley <kieranm> |
Thu 10 Nov 2011 04:35:27 PM UTC, comment #9: OK |
Kieran Mansley <kieranm> |
Tue 08 Nov 2011 05:51:21 AM UTC, comment #8: Agreed.
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Amir Shalem <amirshalem> |
Tue 01 Nov 2011 12:55:01 PM UTC, comment #7: I guess the logic is that if someone unplugs a cable there's a reasonable chance that it is going to get plugged back in to somewhere else, possibly a different broadcast domain, and so ARP might need to re-verify addresses. |
Kieran Mansley <kieranm> |
Sat 29 Oct 2011 08:07:12 PM UTC, comment #6: well even if that's windows behavior iwouldnt want that as user. someone unplug the cable for"second", and my static entries are gone? I don't want that...
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Amir Shalem <amirshalem> |
Sat 29 Oct 2011 07:59:59 PM UTC, comment #5: Well, I just ran a quick test in a windows VM and there, static entries also fade away when I unplug the cable... I don't know about unixes, however. |
Simon Goldschmidt <goldsimon> |
Sat 29 Oct 2011 07:46:13 PM UTC, comment #4: uhm I think for link down we need to reset only the dyanmic, if anything at all.
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Amir Shalem <amirshalem> |
Sat 29 Oct 2011 07:40:20 PM UTC, comment #3: Oh, OK, I wouldn't have thought the static entries disappear, but you're right: they do.
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Simon Goldschmidt <goldsimon> |
Sat 29 Oct 2011 05:47:38 PM UTC, comment #2: I thought about it, but then I decided to keep the same semantics as other OS I know.
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Amir Shalem <amirshalem> |
Sat 29 Oct 2011 05:37:12 PM UTC, comment #1: Good idea. However, shouldn't the static entries remain? |
Simon Goldschmidt <goldsimon> |
Sat 29 Oct 2011 01:41:36 PM UTC, original submission:
Clear the arp table cache when netif is brought down,
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Amir Shalem <amirshalem> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 6 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2011-11-22 | goldsimon | Status | None | Fixed | |
Assigned to | None | goldsimon | |||
Open/Closed | Open | Closed | |||
2011-11-10 | kieranm | Planned Release | 1.5.0 | 1.4.1 | |
2011-11-10 | kieranm | Planned Release | 1.5.0 | ||
2011-10-29 | amirshalem | Attached File | - | Added 0001-clear-the-arp-table-cache-when-netif-is-brought-down.patch, #24242 |
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Corresponding source code
Ooops, thanks for catching that. I started with applying your patch and didn't notice it...
Fixed.