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Date: Sat, 3 Dec 2016 02:43:13 -0500 (EST)
From: doug <doug@fledge.watson.org>
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To: freebsd-questions@FreeBSD.org
Subject: Can't ping in jail 
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This is a 9.3-RELEASE-p49 system. In the jail:

gaia:~> sysctl security.jail.allow_raw_sockets
security.jail.allow_raw_sockets: 1

gaia:~> ifconfig
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
         ether c8:9c:dc:eb:ab:fb
         inet 192.168.2.110 netmask 0xffffffff broadcast 192.168.2.110
         media: Ethernet autoselect (100baseTX <full-duplex>)
         status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
         options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>

and as root

gaia:/home/doug# ping -c 2 192.168.2.102
PING 192.168.2.102 (192.168.2.102): 56 data bytes
ping: sendto: Can't assign requested address
ping: sendto: Can't assign requested address
^C
--- 192.168.2.102 ping statistics ---
2 packets transmitted, 0 packets received, 100.0% packet loss

ctrl-c is required to end the command. This is without a loopback defined. If I 
define the loopback I can ping 127.0.0.1 but nothing else. What am I missing?