If VLAN 20 is trunked somewhere the SVI will be up, regardless of whether or not there is an access port up in VLAN 20. Having VLAN 20 trunked from dist to access will satisfy this.
Sent while mobile. On Jan 9, 2010, at 10:57, Jeff Cotter <[email protected]> wrote: > Curious how the following scenario would be handled in the real > world for a UC deployment. > > > > Assume the Access switches are layer 2 only. ( Data Vlan 10 Voice > Vlan 20) Access switch is trunked to a layer 3 Distribution/Core > Switch. Call Manager and Unity are configured in Vlan 30. The > phones in Voice Vlan 20 need to reach Call Manager in Vlan 30. > Typically there would be SVI interfaces configured on Distribution > Switch for each Vlan to handle routing between the Vlans. > > > > The problem is… there are no IP Phones/hosts plugged into the Distri > bution Core Switch in VLAN 20 so the SVI interface will not be in a > UP state…..therefore no routing between Vlan 20 and Vlan 30 is possi > ble. The only solution I see is to plug an IP Phone into the Distr > ibution/Core switch configured in Vlan 20…..I could then take my ent > ire voice network down by unplugging that single phone???? There mus > t be a better way…what am I missing? Thanks > > > > > > Jeff > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, > please visit www.ipexpert.com http://slash128.com _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
