The below switch is connect to 6500 switch over a dot1q trunk link. The 6500 has serveral SVI interfaces, under 'sh cdp ne' on the 3750 edge switch there is no management ip address (see below)
Why is this happening
----------------------------
sh cdp ne details (Edge 3750 switch)
Device ID: xxxxxx
Entry address(es):
IP address: 136.206.9.254
Platform: cisco WS-C6509,
Interface: GigabitEthernet0/49,
Port ID (outgoing port): GigabitEthernet3/13
Holdtime : 129 sec
advertisement version: 2
VTP Management Domain: 'xxxx'
Native VLAN: 115
Duplex: full
Management address(es):
IP address: