Date: Thu, 6 Aug 2015 19:03:07 -0500 From: Eric van Gyzen <vangyzen@FreeBSD.org> To: Marcelo Gondim <gondim@bsdinfo.com.br>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: Routing stops working when we create a new vlan Message-ID: <55C3F5BB.20506@FreeBSD.org> In-Reply-To: <55C3E641.9060305@bsdinfo.com.br> References: <55C3E641.9060305@bsdinfo.com.br>
next in thread | previous in thread | raw e-mail | index | archive | help
On 8/6/15 5:57 PM, Marcelo Gondim wrote: > Hi all, > > Let me illustrate a network topology, to tell where the problem occurs: > > PC station: 192.168.8.253/24 (FreeBSD 10.2-PRERELEASE) > > Router: 192.168.8.177/24 and 10.254.215.1/24 (FreeBSD 10.2-RC2) > > router(CPE): 10.254.215.188/24 (a customer) > > From Router: > =========== > > # ifconfig vlan201 > vlan201: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=103<RXCSUM,TXCSUM,TSO4> > ether 70:71:bc:87:31:2d > inet 10.254.215.1 netmask 0xffffff00 broadcast 10.254.215.255 > inet6 fe80::7271:bcff:fe87:312d%vlan201 prefixlen 64 scopeid 0x1a > nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> > media: Ethernet autoselect (1000baseT <full-duplex>) > status: active > vlan: 201 parent interface: em0 > > From PC station (192.168.8.253): > =============================== > > # ping -c 5 10.254.215.188 > PING 10.254.215.188 (10.254.215.188): 56 data bytes > 64 bytes from 10.254.215.188: icmp_seq=0 ttl=127 time=1.012 ms > 64 bytes from 10.254.215.188: icmp_seq=1 ttl=127 time=0.864 ms > 64 bytes from 10.254.215.188: icmp_seq=2 ttl=127 time=1.084 ms > 64 bytes from 10.254.215.188: icmp_seq=3 ttl=127 time=1.618 ms > 64 bytes from 10.254.215.188: icmp_seq=4 ttl=127 time=1.006 ms > > --- 10.254.215.188 ping statistics --- > 5 packets transmitted, 5 packets received, 0.0% packet loss > round-trip min/avg/max/stddev = 0.864/1.117/1.618/0.261 ms > > It works perfectly. > > Now I'm going on the router and I just create a new vlan 202. > > From Router: > =========== > > # ifconfig vlan202 create > # > > At that moment my PC station stops to ping the IP 10.254.215.188. > > From PC station (192.168.8.253): > =============================== > > # ping -c 5 10.254.215.188 > PING 10.254.215.188 (10.254.215.188): 56 data bytes > > --- 10.254.215.188 ping statistics --- > 5 packets transmitted, 0 packets received, 100.0% packet loss > > For all work again I need to restart the router. > I don't know if I could correctly explain the problem. > > PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202144 The output of "ifconfig" and "netstat -nr -f inet", before and after you create the new vlan, would be most helpful. Eric
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?55C3F5BB.20506>