哪位大神指导怎么清除掉这个，思科3900路由器

逆鳞之鲲

crypto pki trustpoint TP-self-signed-2816458795
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-2816458795
revocation-check none
rsakeypair TP-self-signed-2816458795
!
!
crypto pki certificate chain TP-self-signed-2816458795
certificate self-signed 01
  3082022B 30820194 A0030201 02020101 300D0609 2A864886 F70D0101 05050030
  31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274
  69666963 6174652D 32383136 34353837 3935301E 170D3135 31313033 31393331
  34315A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649
  4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D32 38313634
  35383739 3530819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281
  8100A91D 1C22F5BD C92CAE43 3A0F6217 4913208D 6607601F 569E2FAD 0DFFE0FD
  200A5824 0A04FA1E BFE1D771 D8DC9A1C 5E713289 BCA2ECC8 4579AD17 C60A023E
  54C4491B C480A638 B167F51E A26B8A78 E49DBE39 21D742A2 79A09D86 CB1F3F93
  ED022F0F 9C513259 7BEF74A8 CB1883F2 A1B44874 6B4543A0 C9D1EBFF 3A81F794
  880D0203 010001A3 53305130 0F060355 1D130101 FF040530 030101FF 301F0603
  551D2304 18301680 1495CCC8 449CBB3A 46762745 9D5B5032 6DD8881B B0301D06
  03551D0E 04160414 95CCC844 9CBB3A46 7627459D 5B50326D D8881BB0 300D0609
  2A864886 F70D0101 05050003 8181000A 9665848A 79E41313 0F800F84 CCC860ED
  D00FAE5F 6083E90C C33CF04E BEC30864 02AD5B08 A1D7773A 2D1B3FDD 399F3A2E
  93052876 9FDB6A27 E7C45E2E 3726E2E0 D3DC893D A1F2FC77 DB3BABA0 4E1B6C19
  D32808E2 A13FA0C9 EE9D6B33 63D2AF72 BF238BCC 4966468E 2BA5324C 4134B684
  83A6F9C4 5000C3B6 DCE8FA65 0CB047
        quit
license udi pid C3900-SPE150/K9 sn FOC19433ZN5

yan6996

这是什么