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Date:      Wed, 9 Oct 2019 12:41:04 -0700
From:      Julian Elischer <julian@freebsd.org>
To:        Alexander Lunev <lan@zato.ru>, freebsd-net@freebsd.org
Subject:   Re: VLAN+bridge problem [was: no network between jails and host with VNET on same interface]
Message-ID:  <f098c6c7-0a70-4282-299f-9e5c9bee2edc@freebsd.org>
In-Reply-To: <23b104ca-8e37-7ccc-1af5-a15f68930100@zato.ru>
References:  <213f9284-5ddd-4dbc-6631-f8592efa2995@zato.ru> <4A3381ED-7C78-48E2-BD1F-45B7A4A930CE@lists.zabbadoz.net> <a7872f80-5ae6-7ed0-494e-f7472190fe6c@zato.ru> <23b104ca-8e37-7ccc-1af5-a15f68930100@zato.ru>

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try use netgraph bridge and interfaces

On 10/9/19 11:38 AM, Alexander Lunev via freebsd-net wrote:
> 07.10.2019 8:21, Alexander N. Lunev via freebsd-net пишет:
>> I've tested with tcpdump, and here's what i found:
>
> > Host interfaces:
> > em0 up
> > vlan22 10.15.15.1/24 vlandev em0 vlan22
> > epair0a - part of epair for jail foo
> > bridge0 addm epair0 addm em0
>
> > Jail foo interfaces:
> > epair0b up (vnet interface)
> > vlan22 10.15.15.2/24 vlandev epair0b vlan22
>
> I found that there's already reported a bug 240106.
>
> Just to spread the word - I've added comment about my situation with 
> some more test with tcpdump:
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240106#c3
>
> To make it short here: if I add static ARP entries for IPs on host's 
> and jail's vlan interfaces, then ICMP requests reach host's vlan 
> interface, but replies doesn't return to jail. All tcpdump output is 
> in my comment in PR, see link.
>




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