Hello, There is something wrong about routing lookup on vnet-jails. Although my jail doesn't have IPv6 address, it tries to use IPv6 by default and get "ping: UDP connect: No route to host" error. But it works by forcing to use IPv4.
The problem is reproducable. This is a fresh insallation of FreeBSD 13.0-RC5: root@f13:~ # uname -a FreeBSD f13 13.0-RC5 FreeBSD 13.0-RC5 #0 releng/13.0-n244727-f8a134d0ef1: Fri Apr 2 04:29:19 UTC 2021 r...@releng1.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 root@f13:~ # jail -c name=client persist vnet vnet.interface=em1 root@f13:~ # jexec client dhclient em1 DHCPREQUEST on em1 to 255.255.255.255 port 67 DHCPACK from 172.16.33.254 bound to 172.16.33.135 -- renewal in 900 seconds. root@f13:~ # jexec client ifconfig em1 em1: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=481009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,VLAN_HWFILTER,NOMAP> ether 00:0c:29:3b:2a:de inet 172.16.33.135 netmask 0xffffff00 broadcast 172.16.33.255 media: Ethernet autoselect (1000baseT <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> root@f13:~ # jexec client host www.google.com www.google.com has address 216.58.212.100 www.google.com has IPv6 address 2a00:1450:4006:80b::2004 root@f13:~ # jexec client ping www.google.com ping: UDP connect: No route to host root@f13:~ # jexec client ping -4 -c 2 www.google.com PING www.google.com (216.58.212.100): 56 data bytes 64 bytes from 216.58.212.100: icmp_seq=0 ttl=128 time=85.487 ms 64 bytes from 216.58.212.100: icmp_seq=1 ttl=128 time=90.243 ms --- www.google.com ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 85.487/87.865/90.243/2.378 ms root@f13:~ # _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"