Being given the message :
ERROR : INTR SCHAN unit=0 SRC=6 DES=5
OPCODE=20 ERRORCODE=5

2950-- phenomenon : Creating (TRUNK) - Nortel PP86, VTP said Chuan, version 12.1.13 :
A user vlan:228
When users access, and the switch will cause the entire upper switches interrupted. Broadcast Storm excluded, capturing Packet no abnormality, ask what you can see information from being given the problem?