Date: Fri, 07 Aug 2015 00:09:56 -0300 From: Marcelo Gondim <gondim@bsdinfo.com.br> To: Eric van Gyzen <vangyzen@FreeBSD.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: Routing stops working when we create a new vlan Message-ID: <55C42184.1080403@bsdinfo.com.br> In-Reply-To: <55C3F5BB.20506@FreeBSD.org> References: <55C3E641.9060305@bsdinfo.com.br> <55C3F5BB.20506@FreeBSD.org>
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On 06-08-2015 21:03, Eric van Gyzen wrote: > 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 > Hi Eric, I put the information you requested in PR. []'s Gondim
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