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Date: Wed, 21 Nov 2007 12:54:01 -0800 From: Ben Greear <greearb@...delatech.com> To: Patrick McHardy <kaber@...sh.net> CC: Stephen Hemminger <shemminger@...ux-foundation.org>, NetDev <netdev@...r.kernel.org> Subject: Re: Routing tables associated with VLANs dissappear when parent ethX down/up Patrick McHardy wrote: > Stephen Hemminger wrote: >> On Wed, 21 Nov 2007 11:51:43 -0800 >> Ben Greear <greearb@...delatech.com> wrote: >> >> >>> For consideration, this patch seems to work for me. I'm not sure >>> why we ever listed to these events. I've only tested on a NIC that >>> doesn't support hw-accel at the moment..will test with e1000 later. >>> >>> Thanks, >>> Ben >>> >>> >> >> But then if you are doing bonding or bridging of vlan's and you bring >> down the root network device, the upper layer is not >> notified (for failover). >> > > operstate should be enough for this I guess. Ben, what does iproute show > for the vlan device when the lower device is down? It looks like it knows, assuming M-DOWN is useful information. Eth2 is un-plugged, by the way. [root@...forge-33-46 ~]# ifconfig eth2 up [root@...forge-33-46 ~]# ip link show eth2.2 125: eth2.2@...2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue link/ether 00:03:2d:08:33:47 brd ff:ff:ff:ff:ff:ff [root@...forge-33-46 ~]# ifconfig eth2 down [root@...forge-33-46 ~]# ip link show eth2.2 125: eth2.2@...2: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 1500 qdisc noqueue link/ether 00:03:2d:08:33:47 brd ff:ff:ff:ff:ff:ff [root@...forge-33-46 ~]# Thanks, Ben -- Ben Greear <greearb@...delatech.com> Candela Technologies Inc http://www.candelatech.com - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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