Hey Keller, That worked. Thanks to both Keller and Bob for your help with this.
On Sat, Oct 20, 2012 at 4:56 AM, Keller Giacomarro <[email protected]>wrote: > When you connect your cloud object in GNS3 to the vlan interfaces (or > physical interfaces) of your machine, use the Generic box inside cloud > properties rather than the Linux box. > On Oct 19, 2012 2:12 PM, "Ryan Jensen" <[email protected]> wrote: > >> I'm acutally using eth1 now, i switched to a different port to see if it >> was a NIC issue... but I verified it's disabled. >> >> jensenr@netmonitor-2950:~/.gns3$ sudo ethtool -k eth1 | grep vlan >> rx-vlan-offload: off >> tx-vlan-offload: off >> >> >> On Fri, Oct 19, 2012 at 3:06 PM, Bob McCouch <[email protected]> wrote: >> >> > Try >> > >> > ethtool -k eth0 | grep vlan >> > >> > Verify it says they're off. If it does, they're operationally disabled >> and >> > you don't need to restart the networking services or anything like that. >> > >> > >> > On Fri, Oct 19, 2012 at 3:02 PM, Ryan Jensen <[email protected]> wrote: >> > >> >> Thanks for the ideas. I tried disabling vlan offloading and didnt have >> >> much >> >> luck. Do I need to restart networking or anything? How do i create a >> >> generic NIO vs the Linux one? >> >> >> >> On Fri, Oct 19, 2012 at 2:30 PM, Bob McCouch <[email protected]> wrote: >> >> >> >> > sudo ethtool -K eth0 rxvlan off ; sudo ethtool -K eth0 txvlan off >> >> > >> >> > Substitute your NIC in if it's not eth0. >> >> > >> >> > Ubuntu 12.04 started using NIC VLAN tag offloading whereas 10.X and >> 11.X >> >> > did not. I had the exact same issue -- frames from virtual routers >> were >> >> > making it out to the switch, but not back in. >> >> > >> >> > Regards, >> >> > Bob >> >> > >> >> > >> >> > PS -- Theoretically speaking, if anyone ever used IOU, they might >> >> discover >> >> > that iou2net.pl needs the opposite. They might find it seems to work >> >> > *only* with VLAN tag offloading enabled in Ubutnu 12.04. >> >> > >> >> > >> >> > >> >> > On Fri, Oct 19, 2012 at 2:19 PM, Ryan Jensen <[email protected]> >> wrote: >> >> > >> >> >> Hey All, >> >> >> I followed the guide on IPE's site here: >> >> >> >> >> >> >> >> >> http://blog.ipexpert.com/2011/02/28/gns3-and-physical-switches-breakout-switch/#more-6136 >> >> >> >> >> >> I have a 24-port 3750 as my Breakout switch and my Lab Cat1-4 are >> also >> >> >> 3750 >> >> >> switches. I had a fine-working setup for a while, but I had a >> situation >> >> >> where I had to upgrade my server hardware (ahh shucks right?). >> Previous >> >> >> server was a Dell 2850 running Ubuntu 10.x LTS, 4gb RAM, dual >> dual-core >> >> >> CPU, dual NICs. New setup is a Dell 2950 running Ubuntu 12.04.1 LTS, >> >> 32gb >> >> >> RAM, dual quad-core CPU, 8 NICs (two on-board, 2 on a PCIX card, >> and 4 >> >> >> more >> >> >> on a PCIX card). With the old server, this worked flawlessly. >> >> >> The problem I'm hitting is that my Physical switches aren't able to >> >> >> communicate with my Virtual routers. My switches see CDP from the >> >> virtual >> >> >> routers, but the reverse is not true. I can ping Physical <-> >> Physical >> >> and >> >> >> Virtual <-> Virtual, but not Physical <-> Virtual. My physical >> switches >> >> >> are >> >> >> getting ARP from the virtual routers, but that's about it. I.E. My >> Cat4 >> >> >> has >> >> >> an ARP resolution for R9's Fa0/1 interface, but R9 does not have a >> >> >> resolution for CAT4s vlan2300 IP. >> >> >> I'm not sure if it's an OS thing or maybe a NIC thing? I've tried >> using >> >> >> different NICs. Tried the onboard (didnt work at all), and now I'm >> >> using a >> >> >> NIC on the dual-port card. I could try a port on the quad-port card >> as >> >> >> well. >> >> >> >> >> >> Has anyone had a similar problem? >> >> >> Here's some config info: >> >> >> Server NIC config: >> >> >> eth0 Link encap:Ethernet HWaddr 00:15:17:25:d4:38 >> >> >> inet6 addr: fe80::215:17ff:fe25:d438/64 Scope:Link >> >> >> UP BROADCAST RUNNING PROMISC MULTICAST MTU:1536 Metric:1 >> >> >> RX packets:4106983 errors:0 dropped:13869 overruns:0 >> frame:0 >> >> >> TX packets:89768 errors:0 dropped:0 overruns:0 carrier:0 >> >> >> collisions:0 txqueuelen:1000 >> >> >> RX bytes:401023113 (401.0 MB) TX bytes:29160705 (29.1 MB) >> >> >> Interrupt:17 Memory:d5ee0000-d5f00000 >> >> >> >> >> >> I noticed the NIC is showing quite a few dropped packets, the >> dropped >> >> >> packets are incrementing, but slowly. If I start a ping from CAT4 to >> >> R9, >> >> >> the dropped packets aren't incrementing with the ping. >> >> >> >> >> >> Breakout switch has system MTU set to 1546. >> >> >> >> >> >> I layed down the Ubuntu OS, ran recommended patches, then installed >> >> GNS3 >> >> >> and followed the above guide. That's all I've done to the host. Any >> >> >> thoughts? Thanks. >> >> >> _______________________________________________ >> >> >> For more information regarding industry leading CCIE Lab training, >> >> please >> >> >> visit www.ipexpert.com >> >> >> >> >> >> Are you a CCNP or CCIE and looking for a job? Check out >> >> >> www.PlatinumPlacement.com >> >> >> >> >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> >> >> >> >> > >> >> > >> >> _______________________________________________ >> >> For more information regarding industry leading CCIE Lab training, >> please >> >> visit www.ipexpert.com >> >> >> >> Are you a CCNP or CCIE and looking for a job? Check out >> >> www.PlatinumPlacement.com >> >> >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> >> >> > >> > >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
