Monday, September 03, 2018

Re: network connectivity problem (ifconfig, arp, ...)

On Mon, Sep 03, 2018 at 07:46:09PM +0200, vincent delft wrote:
> Hello,
>
> I'm running -current and enjoy the new "join" feature of hostname.if.
>
> Nevertheless, I have sometime issues to have an internet connection.
>
> The context:
> I have wifi and cable possibilities to connect the same network. Normaly I
> prefer the network connection, so at my desk I plug the cable and use it.
> But in some cases, I disconnect my laptop and use the wifi connection.
>
> Problem:
> The wifi is well connected to my nwid, but the connectivity is not working
> (cannot ping my main firewall to connect internet).
> I think the problem is linked to wrong arp table (cfr here under)
>
> Why the arp entry for my firewall remains "expired" so long (could be more
> than 10 minuntes) ?
> Why a "doas arp -ad" does not remove this bad fw entry from the table ?
> What could I do to solve the issue without rebooting the laptop ? (If I
> reboot the laptop, this solve the problem).
>
>
>
> e5450:~$ arp -a
> Host Ethernet Address Netif Expire
> Flags
> fw (incomplete) em0 expired
> 192.168.3.15 10:02:b5:83:40:41 iwm0 permanent l
> 192.168.3.16 f8:ca:b8:50:84:15 em0 permanent l

Didn't we already discuss the same question back in July?
https://marc.info/?l=openbsd-misc&m=153220020618146&w=2

Again, try trunk(4).

No comments:

Post a Comment