Help with VNET

[Goran Mekić]

On October 21, 2020 10:13:38 AM UTC, Andrea Venturoli <ml at netfence.it> wrote:
>Hello.
>
>I've been using jails for years with ezjail. Now I'm trying to 
>experiment with VNET.
>I've looked for a tutorial, but found scarce (and possibly outdated)
>info.
>
>
>
>Box is a 12.1/amd64.
>Basic configuration involves wlan0 configured via DHCP
>(192.168.133.26).
>Host networking works.
>For a start, let's get IPFW out of the way:
>#ipfw add 1 pass ip from any to any
>
>Then I setup the host:
># ifconfig epair create
>(Now I see epair0a and epair0b)
># ifconfig bridge create up
># ifconfig bridge0 addm wlan0 addm epair0a
>
>Now I start the jail and I don't see epair0b anymore on the host.
>
>In the jail I issue:
>#ipfw add 1 pass ip from any to any
>#ifconfig epair0b 192.168.133.27
>
>
>
>Now:
>_ pinging the host from the jail works;
>_ pinging the jail from the host works;
>_ pinging another host from the base system works;
>_ pinging another host from the jail does NOT work.
>
>tcpdump on wlan0 shows ARP packets from the jail (who tries to get the 
>MAC address of the external host), but these do not reach the network
>(a 
>tcpdump on the external host doesn't show them).
>
>IPFW logging shows that it's not blocking anything.
>
>Any hint?
>
>  bye & Thanks
>	av.
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Did you setup NAT?
-- 
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