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Date:      Fri, 23 Dec 2016 09:33:17 -0500
From:      "James B. Byrne" <byrnejb@harte-lyne.ca>
To:        freebsd-jail@freebsd.org
Subject:   IP address assignments to jails using ezjail
Message-ID:  <a991de9aa44a7ae47b4810f8753ebe83.squirrel@webmail.harte-lyne.ca>
In-Reply-To: <20161223152836.N26979@sola.nimnet.asn.au>
References:  <20161223152836.N26979@sola.nimnet.asn.au>

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I am experimenting with jails on a bhyve vm guest running FBSD-11.0
using ezjail.  I am having a problem with network connections to the
outside from within the jail.  I have sshd configured and I can reach
the jail from the outside:

$ ssh -vv 192.168.216.196
OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 192.168.216.196 [192.168.216.196] port 22.
debug1: Connection established.

But inside the jail I cannot connect out:

ssh -vv 192.168.216.22
OpenSSH_7.2p2, OpenSSL 1.0.2j-freebsd  26 Sep 2016
debug1: Reading configuration data /etc/ssh/ssh_config
debug2: resolving "192.168.216.22" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to 192.168.216.22 [192.168.216.22] port 22.
debug1: connect to address 192.168.216.22 port 22: Operation timed out
ssh: connect to host 192.168.216.22 port 22: Operation timed out


On the host system I see this:

# ifconfig
vtnet0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST>
metric 0 mtu 1500
        options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
        ether 00:a0:98:fa:aa:b6
        inet 216.185.71.16 netmask 0xffffff00 broadcast 216.185.71.255
        inet 192.168.216.16 netmask 0xffffff00 broadcast 192.168.216.255
        inet 192.168.216.196 netmask 0xffffffff broadcast 192.168.216.196
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet 10Gbase-T <full-duplex>
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
        inet 127.0.0.1 netmask 0xff000000
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        groups: lo
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.1.1 netmask 0xffffffff
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        groups: lo
pflog0: flags=141<UP,RUNNING,PROMISC> metric 0 mtu 33160
        groups: pflog

Inside the jail I see this:

root@hlldrupal:~ # ifconfig
vtnet0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST>
metric 0 mtu 1500
        options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
        ether 00:a0:98:fa:aa:b6
        inet 192.168.216.196 netmask 0xffffffff broadcast 192.168.216.196
        media: Ethernet 10Gbase-T <full-duplex>
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        groups: lo
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.1.1 netmask 0xffffffff
        groups: lo
pflog0: flags=141<UP,RUNNING,PROMISC> metric 0 mtu 33160
        groups: pflog


Any ideas as to what I may have failed to do?


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James B. Byrne                mailto:ByrneJB@Harte-Lyne.ca
Harte & Lyne Limited          http://www.harte-lyne.ca
9 Brockley Drive              vox: +1 905 561 1241
Hamilton, Ontario             fax: +1 905 561 0757
Canada  L8E 3C3




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