debug stack pe topo

Indicates Port Extender (PE) join requests are being sent to and received on Control Bridge (CB).
Syntax
debug stack pe topo
no debug stack pe topo
Modes

Privileged EXEC mode

Examples
device# debug stack pe topo 3

Debug: Jan 2 01:39:34 T=1d1h39m16.9: LLDP join: fr u2 4 to c0, nbr=0, p_cb=2/1/5, V21 1, 224B, M=53F450 A0A000A, me=cc4e.246c.f190 CB-m=748e.f8f9.6300 0, tp=27 25 b, id=18 0 18 sug=0, op=1 cl=0, D0=2/1 2/2 D1=4/1 , cb-mac=cb pe_me id=18, has p_me u18 i=0 D=0, has pe_cb u2 i_cb=0, pe_up=cb, T_fr 1, T_to 1, age=0, , add link 104 - 11c0
Debug: Jan 2 01:39:34 res 2, cc4e.246c.f190 new_id 0 pe_id 18

Debug: Jan 2 01:39:36 T=1d1h39m19.0: LLDP join: fr u18 40 to 41, nbr=0, p_cb=2/1/5, V21 1, 224B, M=51444D A0A0A0A, me=cc4e.248b.77b0 CB-m=748e.f8f9.6300 0, tp=24 22 b, id=19 0 0 sug=0, op=1 cl=0, D0=2/1 2/2 D1=2/3 , cb-mac=cb pe_me id=19, has p_me u19 i=1 D=0, has pe_up u18 i_up=1 dir=1, T_fr 1, T_to 1, age=0, , add link 1140 - 1241
Debug: Jan 2 01:39:36 res 2, cc4e.248b.77b0 new_id 0 pe_id 19