So where is the inter-VLAN routing happening? ----- Original Message -----
> Sorry- only the Default VLAN is untagged the other three are tagged. What I > meant to indicate is that through port 10 all of the VLAN- and the Default- > go through into the webfilter. > On Tue, May 27, 2014 at 9:11 AM, Joe Matuscak < [email protected] > wrote: > > The HP really allows you to have more than one untagged VLAN on a port? > > Doesn't that essentially > > > wire them all together and give you one big broadcast domain? > > > > We are having problems with DHCP addresses "leaking" to other networks in > > > our > > > WAN. Each Windows domain serves up IP addresses for the LAN on which it > > > sits. > > > > > > We have three networks that VLAN through a central web filter and > > > firewall. > > > Frequently, we see that an IP address on Network A has been assigned to a > > > desktop on Network B. We are using HP Procurve switches. > > > > > > The config is as follows- > > > > > > Incoming from the three networks into a switch- - > > > > > > Network A- VLAN 10, port 1,10 tagged > > > > > > Network B- VLAN 11, port 2,10 tagged > > > > > > Network C- VLAN 12, port 3,10 tagged > > > > > > Out to the web filter- port 10 untagged for all three and default VLAN > > > > > > <web filter sits here> > > > > > > In from webfilter- port 10 untagged for all three and default VLAN > > > > > > Network A- VLAN 10, port 1,10 tagged to firewall port > > > > > > Network B- VLAN 11, port 2,10 tagged to firewall port > > > > > > Network C- VLAN 12, port 3,10 tagged to firewall port > > > > > > Can anyone help us figure out why the DHCP bleeding is occurring? > > > > > > Thanks! > > > > > -- > > > Thanks, > > > Joe Matuscak | Director of Technology > > > Rohrer Corporation | Office: 330-335-1541 > > > 717 Seville Road | Wadsworth, Ohio 44281 > > > www.rohrer.com | A Better Package > -- Thanks, Joe Matuscak | Director of Technology Rohrer Corporation | Office: 330-335-1541 717 Seville Road | Wadsworth, Ohio 44281 www.rohrer.com | A Better Package
