revenge of stupid vlan questions

2007-05-08 Thread Jon
Greetings everybody, So I've set up what I thought should be a proper vlan configuration however something is clearly still not correct. Traffic passes fine to the vlan devices from the external side of the router (I can ping them) however traffic does not seem to pass bewteen the vlan devices a

Re: revenge of stupid vlan questions

2007-05-08 Thread Clint Pachl
Jon wrote: Greetings everybody, So I've set up what I thought should be a proper vlan configuration however something is clearly still not correct. Traffic passes fine to the vlan devices from the external side of the router (I can ping them) however traffic does not seem to pass bewteen the vl

Re: revenge of stupid vlan questions

2007-05-09 Thread Jon
Clint Pachl wrote: Jon wrote: Greetings everybody, So I've set up what I thought should be a proper vlan configuration however something is clearly still not correct. Traffic passes fine to the vlan devices from the external side of the router (I can ping them) however traffic does not seem to

Re: revenge of stupid vlan questions

2007-05-09 Thread Jacob Yocom-Piatt
Jon wrote: Clint Pachl wrote: Jon wrote: Greetings everybody, So I've set up what I thought should be a proper vlan configuration however something is clearly still not correct. Traffic passes fine to the vlan devices from the external side of the router (I can ping them) however traffic does

Re: revenge of stupid vlan questions

2007-05-09 Thread Stuart Henderson
On 2007/05/09 14:08, Jon wrote: > The switch is vlan aware and the hosts connected to it are plugged > into ports which are assigned to vlans configured on the switch with > the same numbers that I am putting in the /etc/hostname.vlan* vlan > option fields. Usually you can configure a switch port

Re: revenge of stupid vlan questions

2007-05-09 Thread Jon
This was very informative. Thank you very much. After re-evaluating the vlan/tagging settings on the 3com switch ports we noticed that they were all set to "hybrid" mode (so some could be on multiple vlans) but the connection to the router was set to "trunking" mode instead of hybrid. Changing

Re: revenge of stupid vlan questions

2007-05-09 Thread Jon
Incidentally, it was the vlan(4) man page that gave me the idea to set the mtu to 1518: "Some Ethernet chips will either discard or truncate Ethernet frames that are larger than 1514 bytes. This causes a problem as 802.1Q tagged frames can be up to 1518 bytes. Most controller chips can be told

Re: revenge of stupid vlan questions

2007-05-09 Thread Clint Pachl
Jon wrote: This was very informative. Thank you very much. After re-evaluating the vlan/tagging settings on the 3com switch ports we noticed that they were all set to "hybrid" mode (so some could be on multiple vlans) but the connection to the router was set to "trunking" mode instead of hybrid

Re: revenge of stupid vlan questions

2007-06-06 Thread Chris Cappuccio
Jon [EMAIL PROTECTED] wrote: > Incidentally, it was the vlan(4) man page that gave me the idea to > set the mtu to 1518: > > "Some Ethernet chips will either discard or truncate Ethernet frames > that are larger than 1514 bytes. This causes a problem as 802.1Q > tagged frames can be up to 1518 by