No trunk here.

Diag: (P) Passed, (F) Failed
t1sw1.au-mel:2 # show port 21 info
Port         Diag  Flags      Link                  Link Num Num  Num   Jumbo QOS     Load 
                              State                 UPs  STP VLAN Proto Size  Profile Master
21_escape.net  P e--m-------E active                2    0   1    0     N/A          

Flags: (a) Load Sharing Algorithm address-based, (d) DLCS Enabled
       (D) Port Disabled, (e) Extreme Discovery Protocol Enabled
       (E) Port Enabled, (f) Flooding Enabled, (g) Egress TOS Enabled
       (h) Hardware Redundant Phy, (j) Jumbo Frame Enabled
       (l) Load Sharing Enabled, (m) MAC Learning Enabled
       (n) Ingress TOS Enabled, (o) Dot1p Vlan Priority Replacement Enabled
       (P) Software Primary Port, (q) Background QOS Monitoring Enabled
       (R) Software Redundant Port

Diag: (P) Passed, (F) Failed
t1sw1.au-mel:3 # show port 21 vlan info
Port 21 (21_cust)
Name               VID  Protocol Addr        Flags        Proto   Ports
cust               74   ------------------ --------       ANY     4/5 


Flags: (C) Domain-masterVlan, (c) Domain-memberVlan, (d) DVMRP Enabled
       (E) ESRP Slave, (f) IP Forwarding Enabled, (G) GVRP Enabled
       (I) IP Forwarding lpm-routing Enabled, (L) Loopback Enabled
       (M) ESRP Master, (m) IPmc Forwarding Enabled, (N) GNS Reply Enabled
       (o) OSPF Enabled, (p) PIM Enabled, (r) RIP Enabled
       (T) Member of STP Domain, (v) VRRP Enabled, (V) VPLS/TLS Enabled
       (Z) Translation-Vlan, (z) Member-Vlan
/BP: Waiting for bootp reply.



VLAN Interface[31-21f] with name "cust" created by user
Tagging: 802.1Q Tag 74
Priority: 802.1P Priority 7 
STPD: None
Protocol: Match all unfiltered protocols.
Loopback: Disable
RateShape: Disable
QosProfile:QP1
Ports: 5. (Number of active ports=4)
Flags: (*) Active, (!) Disabled
(B) BcastDisabled, (R) RateLimited, (L) Loopback
(g) Load Share Group
Untag: *21(21_cust)


SWV-RIAL-02-C3548#sh spanning-tree interface fa0/2
Interface Fa0/2 (port 14) in Spanning tree 22 is BROKEN (PVID & Port type)
   Port path cost 19, Port priority 128
   Designated root has priority 32768, address 0004.2766.84c9
   Designated bridge has priority 32768, address 0006.d706.0b91
   Designated port is 14, path cost 8
   Timers: message age 0, forward delay 13, hold 0
   BPDU: sent 29440, received 0