Re: network connectivity problem (ifconfig, arp, ...)
On Tue, Sep 04, 2018 at 09:35:38PM +0200, vincent delft wrote: > In fact, I remain with my initial question: > why arp having an entry with address "incomplete" on em0 does not perform > the task when iwm0 is triggered and request a connection to my firewall ? > The fw is running on the same address, just the path (netif) that change. Generally, having two interfaces in the same subnet is never a good idea unless you really know what you are doing. So when you switch from em0 to iwm0 and they both end up having addresses on the same IP network, then you should delete the IP address from the interface which you aren't using: ifconfig em0 delete IP addresses are managed by tools like ifconfig and dhclient, they are not managed automatically by drivers such as em and iwm. To change IP addresses you need to run commands; either manually or in some automated way. For instance, you could configure ifstated(8) to run ifconfig when the em0 interface goes down.
Re: network connectivity problem (ifconfig, arp, ...)
Re-hello, The trunk is working fine at my office (between cable and wifi). I will need more time to better evaluate it. But this sounds indeed matching the need. But With this trunk now configured, I'm no more able to select the wifi at customer site. Indeed, at customer, I have 2 different nwid, and I'm used to switch from one to the other via simple ifconfig commands. When I will have time, I'll read some faq or man pages, to solve this situation via few ifconfig commands. In fact, I remain with my initial question: why arp having an entry with address "incomplete" on em0 does not perform the task when iwm0 is triggered and request a connection to my firewall ? The fw is running on the same address, just the path (netif) that change. regards On Mon, Sep 3, 2018 at 10:58 PM Vincent wrote: > Hello stefan, > > Hum... it could be similar situations. > > I've found an article combining the "join" and the trunk: > https://dataswamp.org/~solene/2018-08-30-openbsd-trunk.html > > I'll do same setup and will see > > Thanks. > > V. > > > > > > > > On 3 September 2018 20:26:27 CEST, Stefan Sperling wrote: >> >> 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 AddressNetif Expire >>> Flags >>> fw (incomplete) em0 expired >>> 192.168.3.15 10:02:b5:83:40:41iwm0 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=153220020618146=2 >> >> Again, try trunk(4). >> >> > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity. >
Re: network connectivity problem (ifconfig, arp, ...)
On Mon, 03 Sep 2018 22:58:49 +0200, Vincent wrote: > I've found an article It's always better to rely on the FAQ rather than on a third party article who may have not kept the information up to date. It's not always possible because not everything is in the FAQ but in this case, it is: https://www.openbsd.org/faq/faq6.html#Wireless (scroll down a bit until "Trunking your wireless adapter") Cheers, Daniel
Re: network connectivity problem (ifconfig, arp, ...)
On Mon, Sep 03, 2018 at 10:58:49PM +0200, Vincent wrote: > Hello stefan, > > Hum... it could be similar situations. > > I've found an article combining the "join" and the trunk: > https://dataswamp.org/~solene/2018-08-30-openbsd-trunk.html For me, it's as simple as this: ==> /etc/hostname.em0 <== up ==> /etc/hostname.iwn0 <== join wirelessnet wpakey foo join anothernet wpakey bar up ==> /etc/hostname.trunk0 <== trunkproto failover trunkport em0 trunkport iwn0 # You could hardcode a mac address here at will #lladdr aa:bb:cc:dd:ee:ff dhcp /Alexander > > I'll do same setup and will see > > Thanks. > > V. > > > > > > > > On 3 September 2018 20:26:27 CEST, Stefan Sperling wrote: > >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 AddressNetif Expire > >> Flags > >> fw (incomplete) em0 > >expired > >> 192.168.3.15 10:02:b5:83:40:41iwm0 > >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=153220020618146=2 > > > >Again, try trunk(4). > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity.
Re: network connectivity problem (ifconfig, arp, ...)
Hello stefan, Hum... it could be similar situations. I've found an article combining the "join" and the trunk: https://dataswamp.org/~solene/2018-08-30-openbsd-trunk.html I'll do same setup and will see Thanks. V. On 3 September 2018 20:26:27 CEST, Stefan Sperling wrote: >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 AddressNetif Expire >> Flags >> fw (incomplete) em0 >expired >> 192.168.3.15 10:02:b5:83:40:41iwm0 >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=153220020618146=2 > >Again, try trunk(4). -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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 AddressNetif Expire > Flags > fw (incomplete) em0 expired > 192.168.3.15 10:02:b5:83:40:41iwm0 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=153220020618146=2 Again, try trunk(4).
network connectivity problem (ifconfig, arp, ...)
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 AddressNetif Expire Flags fw (incomplete) em0 expired 192.168.3.15 10:02:b5:83:40:41iwm0 permanent l 192.168.3.16 f8:ca:b8:50:84:15 em0 permanent l
