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тАО07-29-2008 09:30 AM
тАО07-29-2008 09:30 AM
After initial OS installation, the networking works just fine.
I also noticed that when I configured trunking, I lost connectivity to BOTH servers on that blade until I had finished configuring the 802.1q trunk on the switch side. Having the trunking configured on the switch but not on the server maintains connectivity (as I would expect). However, when I try and configure the HP NIC side, I lose all network connectivity to the server and must connect via iLO. I have verified that the VLAN's I'm trying to use are allowed and present on the trunk, and I've verified that I have the native VLAN set the same on both the switch and the server.
Does anyone have any ideas?
Just to answer the obvious questions:
- I'm using the latest PSP v8.10A
- I verified that both switches have the same config, the vlans exist on the switch, and the switch thinks it's sending those vlans down the trunk.
- The uplink to the core switches also shows the VLAN's
- OS is Windows 2008 Server Enterprise Edition w/o Hyper-V
Thanks in advance
Solved! Go to Solution.
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тАО07-30-2008 05:46 AM
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тАО07-30-2008 07:01 AM
тАО07-30-2008 07:01 AM
Re: VLAN trunking problem on BL2x220c G5
Thanks for your help!
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тАО07-30-2008 07:39 AM
тАО07-30-2008 07:39 AM
Re: VLAN trunking problem on BL2x220c G5
Regarding VLAN1, you might try to change Native vlan on the switches to something different from 1, I├В┬┤ve seen issues like this, if Native VLAN is 1 the switch will not tag the frame, then Host based vlan driver is expecting tag frames, therefore no communication untill VLAN1 frames are tagged.
rgds,
lmm
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тАО07-30-2008 08:30 AM
тАО07-30-2008 08:30 AM
Re: VLAN trunking problem on BL2x220c G5
1. My understanding is that setting the Native vlan on an 802.1q trunk to be VLAN X means that the switch will NOT tag those frames. Does HP's software still expect a vlan tag on frames in the native VLAN?
2. I have the uplinks from both switches set to be trunks, and I have verified that they are carrying vlan 1 and 50.
3. The internal links between the switches are enabled, but they are blocked by spanning-tree
Attached is the tech support from the B side switch.
Thanks again
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тАО07-30-2008 08:47 AM
тАО07-30-2008 08:47 AM
Re: VLAN trunking problem on BL2x220c G5
2. Yeah, congig looks fine, Port 18 is carrying all vlans.
The config on the blade switches looks fine, then you will need to look into the upstream switch port configuration just to see if it allows those vlans.
Can you try to ping each vlan from the switch console? Is it succesfull? If so, Server switch communication is fine, the issue is with the upstream switch config.
I will expect VLAN50 to work on that way, maybe VLAN1 will not work then you might try changing the native vlan on that swith port.
Another good test, assing IPs to VLAN50 in the switch, then try to ping the VLAN1 and VLAN 50 IP from the server OS.
rgds,
lmm
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тАО07-30-2008 09:55 AM
тАО07-30-2008 09:55 AM
Re: VLAN trunking problem on BL2x220c G5
Thanks for your help!
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тАО07-30-2008 10:51 AM
тАО07-30-2008 10:51 AM
Re: VLAN trunking problem on BL2x220c G5
rgds,
lmm