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Cisco_8851_MSTP_Problem

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  1. ! Port 9: To phone uplink port
  2. ! Port 10: To phone switch port
  3. ! Port 44: Laptop (just so STP is running if no other ports are connected)
  4.  
  5. testswitch(config)#no spanning-tree portfast bpduguard default
  6. testswitch(config)#logging console debugging
  7. testswitch#debug spanning-tree events
  8. testswitch#debug spanning-tree mst roles
  9. testswitch#debug spanning-tree pvst+
  10. testswitch#sh spanning-tree
  11.  
  12. MST0
  13. Spanning tree enabled protocol mstp
  14. Root ID Priority 32768
  15. Address 6cfa.8936.a980
  16. This bridge is the root
  17. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  18.  
  19. Bridge ID Priority 32768 (priority 32768 sys-id-ext 0)
  20. Address 6cfa.8936.a980
  21. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  22.  
  23. Interface Role Sts Cost Prio.Nbr Type
  24. ------------------- ---- --- --------- -------- --------------------------------
  25. Gi1/0/44 Desg FWD 20000 128.44 P2p Edge
  26.  
  27.  
  28. testswitch#! Connecting 7841
  29. testswitch#
  30. 000325: Jul 8 05:55:31.403: %ILPOWER-7-DETECT: Interface Gi1/0/9: Power Device detected: IEEE PD
  31. 000326: Jul 8 05:55:32.417: %ILPOWER-5-POWER_GRANTED: Interface Gi1/0/9: Power granted
  32. 000327: Jul 8 05:55:37.426: MST[0]: Gi1/0/9 is now designated port
  33. 000328: Jul 8 05:55:39.421: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to up
  34. 000329: Jul 8 05:55:40.421: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to up
  35. 000330: Jul 8 05:55:47.460: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to down
  36. 000331: Jul 8 05:55:48.460: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to down
  37. 000332: Jul 8 05:56:01.641: MST[0]: Gi1/0/9 is now designated port
  38. 000333: Jul 8 05:56:03.640: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to up
  39. 000334: Jul 8 05:56:03.818: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/9, port's configured trust state
  40. is now operational.
  41. 000335: Jul 8 05:56:04.640: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to up
  42. testswitch#
  43. testswitch#! connecting 7841 switchport to switch - creating loop in MST mode.
  44. testswitch#
  45. 000336: Jul 8 05:57:16.226: MST[0]: Gi1/0/10 is now designated port
  46. 000337: Jul 8 05:57:16.233: MST[0]: updt roles, received superior bpdu on Gi1/0/10
  47. 000338: Jul 8 05:57:16.233: MST[0]: Gi1/0/10 is now backup port
  48. 000339: Jul 8 05:57:18.218: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to up
  49. 000340: Jul 8 05:57:18.260: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  50. is now operational.
  51. 000341: Jul 8 05:57:19.221: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to up
  52. 000342: Jul 8 05:57:19.263: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  53. is now operational.
  54. 000343: Jul 8 05:57:20.270: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  55. is now operational.
  56. testswitch#
  57. testswitch#sh spanning-tree
  58.  
  59. MST0
  60. Spanning tree enabled protocol mstp
  61. Root ID Priority 32768
  62. Address 6cfa.8936.a980
  63. This bridge is the root
  64. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  65.  
  66. Bridge ID Priority 32768 (priority 32768 sys-id-ext 0)
  67. Address 6cfa.8936.a980
  68. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  69.  
  70. Interface Role Sts Cost Prio.Nbr Type
  71. ------------------- ---- --- --------- -------- --------------------------------
  72. Gi1/0/9 Desg FWD 20000 128.9 P2p
  73. Gi1/0/10 Back BLK 20000 128.10 P2p
  74. Gi1/0/44 Desg FWD 20000 128.44 P2p Edge
  75.  
  76.  
  77. testswitch#! disconnceting loop.
  78. testswitch#
  79. 000344: Jul 8 05:58:05.701: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to down
  80. 000345: Jul 8 05:58:06.704: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to down
  81. testswitch#
  82. 000346: Jul 8 05:58:10.154: %SWITCH_QOS_TB-5-TRUST_DEVICE_LOST: cisco-phone no longer detected on port Gi1/0/10, operational port trust
  83. state is now untrusted.
  84. testswitch#
  85. testswitch#sh spanning-tree
  86.  
  87. MST0
  88. Spanning tree enabled protocol mstp
  89. Root ID Priority 32768
  90. Address 6cfa.8936.a980
  91. This bridge is the root
  92. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  93.  
  94. Bridge ID Priority 32768 (priority 32768 sys-id-ext 0)
  95. Address 6cfa.8936.a980
  96. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  97.  
  98. Interface Role Sts Cost Prio.Nbr Type
  99. ------------------- ---- --- --------- -------- --------------------------------
  100. Gi1/0/9 Desg FWD 20000 128.9 P2p
  101. Gi1/0/44 Desg FWD 20000 128.44 P2p Edge
  102.  
  103.  
  104.  
  105. testswitch#! Switch to rapid-pvst mode to repeat test.
  106. testswitch#conf t
  107. Enter configuration commands, one per line. End with CNTL/Z.
  108. testswitch(config)#spanning-tree mode rapid-pvst
  109. testswitch(config)#
  110. 000347: Jul 8 05:58:27.662: MST[0]: updt roles, non-tracked event
  111. 000348: Jul 8 05:58:27.662: %PARSER-5-CFGLOG_LOGGEDCMD: User:admin logged command:spanning-tree mode rapid-pvst
  112. 000349: Jul 8 05:58:28.665: setting bridge id (which=3) prio 49202 prio cfg 49152 sysid 50 (on) id C032.6cfa.8936.a980
  113. 000350: Jul 8 05:58:28.665: STP: PVST vlan 50 port Gi1/0/9 created, ext id 64B9618
  114. 000351: Jul 8 05:58:28.665: RSTP(50): initializing port Gi1/0/9
  115. 000352: Jul 8 05:58:28.665: RSTP(50): Gi1/0/9 is now designated
  116. 000353: Jul 8 05:58:28.665: STP: PVST vlan 50 port Gi1/0/44 created, ext id 64FEF88
  117. 000354: Jul 8 05:58:28.665: RSTP(50): initializing port Gi1/0/44
  118. 000355: Jul 8 05:58:28.665: RSTP(50): Gi1/0/44 is now designated
  119. 000356: Jul 8 05:58:28.665: setting bridge id (which=3) prio 49452 prio cfg 49152 sysid 300 (on) id C12C.6cfa.8936.a980
  120. 000357: Jul 8 05:58:28.665: STP: PVST vlan 300 port Gi1/0/9 created, ext id 64B9618
  121. 000358: Jul 8 05:58:28.665: RSTP(300): initializing port Gi1/0/9
  122. 000359: Jul 8 05:58:28.665: RSTP(300): Gi1/0/9 is now designated
  123. 000360: Jul 8 05:58:28.665: STP: PVST vlan 300 port Gi1/0/44 created, ext id 64FEF88
  124. 000361: Jul 8 05:58:28.665: RSTP(300): initializing port Gi1/0/44
  125. 000362: Jul 8 05:58:28.669: RSTP(300): Gi1/0/44 is now designated^Z
  126. testswitch#
  127. 000363: Jul 8 05:58:31.867: %SYS-5-CONFIG_I: Configured from console by admin on console
  128. testswitch#
  129. testswitch#sh spanning-tree
  130.  
  131. VLAN0050
  132. Spanning tree enabled protocol rstp
  133. Root ID Priority 49202
  134. Address 6cfa.8936.a980
  135. This bridge is the root
  136. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  137.  
  138. Bridge ID Priority 49202 (priority 49152 sys-id-ext 50)
  139. Address 6cfa.8936.a980
  140. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  141. Aging Time 300 sec
  142. UplinkFast enabled but inactive in rapid-pvst mode
  143.  
  144. Interface Role Sts Cost Prio.Nbr Type
  145. ------------------- ---- --- --------- -------- --------------------------------
  146. Gi1/0/9 Desg FWD 3004 128.9 P2p Edge
  147. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  148.  
  149.  
  150. VLAN0300
  151. Spanning tree enabled protocol rstp
  152. Root ID Priority 49452
  153. Address 6cfa.8936.a980
  154. This bridge is the root
  155. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  156.  
  157. Bridge ID Priority 49452 (priority 49152 sys-id-ext 300)
  158. Address 6cfa.8936.a980
  159. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  160. Aging Time 300 sec
  161. UplinkFast enabled but inactive in rapid-pvst mode
  162.  
  163. Interface Role Sts Cost Prio.Nbr Type
  164. ------------------- ---- --- --------- -------- --------------------------------
  165. Gi1/0/9 Desg FWD 3004 128.9 P2p Edge
  166. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  167.  
  168.  
  169. testswitch#! reconnecting phone switchport to loop - this time rapid-pvst will operate.
  170. testswitch#
  171. 000364: Jul 8 05:59:13.065: STP: PVST vlan 50 port Gi1/0/10 created, ext id 64BB5E8
  172. 000365: Jul 8 05:59:13.065: RSTP(50): initializing port Gi1/0/10
  173. 000366: Jul 8 05:59:13.065: RSTP(50): Gi1/0/10 is now designated
  174. 000367: Jul 8 05:59:13.065: STP: PVST vlan 300 port Gi1/0/10 created, ext id 64BB5E8
  175. 000368: Jul 8 05:59:13.065: RSTP(300): initializing port Gi1/0/10
  176. 000369: Jul 8 05:59:13.065: RSTP(300): Gi1/0/10 is now designated
  177. 000370: Jul 8 05:59:13.345: %SW_MATM-4-MACFLAP_NOTIF: Host 204c.9eb2.cce1 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  178. 000371: Jul 8 05:59:13.789: RSTP(50): updt roles, received superior bpdu on Gi1/0/10
  179. 000372: Jul 8 05:59:13.789: RSTP(50): Gi1/0/10 not in sync
  180. 000373: Jul 8 05:59:13.789: RSTP(300): updt roles, received superior bpdu on Gi1/0/10
  181. 000374: Jul 8 05:59:13.789: RSTP(300): Gi1/0/10 not in sync
  182. 000375: Jul 8 05:59:14.187: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/10 and port Gi1/0/9
  183. 000376: Jul 8 05:59:14.310: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  184. is now operational.
  185. 000377: Jul 8 05:59:14.603: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  186. 000378: Jul 8 05:59:15.072: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  187. 000379: Jul 8 05:59:15.075: %SW_MATM-4-MACFLAP_NOTIF: Host 204c.9eb2.cce1 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  188. 000380: Jul 8 05:59:15.075: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to up
  189. 000381: Jul 8 05:59:15.330: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  190. is now operational.
  191. 000382: Jul 8 05:59:15.666: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  192. 000383: Jul 8 05:59:15.666: %SW_MATM-4-MACFLAP_NOTIF: Host 204c.9eb2.cce1 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  193. 000384: Jul 8 05:59:15.827: RSTP(50): updt roles, received superior bpdu on Gi1/0/10
  194. 000385: Jul 8 05:59:15.830: RSTP(50): Gi1/0/10 is now backup
  195. 000386: Jul 8 05:59:15.830: RSTP(50): Gi1/0/44 not in sync
  196. 000387: Jul 8 05:59:15.830: RSTP(300): updt roles, received superior bpdu on Gi1/0/10
  197. 000388: Jul 8 05:59:15.830: RSTP(300): Gi1/0/10 is now backup
  198. 000389: Jul 8 05:59:15.830: RSTP(300): Gi1/0/44 not in sync
  199. 000390: Jul 8 05:59:16.075: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to up
  200. 000391: Jul 8 05:59:16.340: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  201. is now operational.
  202. testswitch#
  203. testswitch#sh spanning-tree
  204.  
  205. VLAN0050
  206. Spanning tree enabled protocol rstp
  207. Root ID Priority 49202
  208. Address 6cfa.8936.a980
  209. This bridge is the root
  210. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  211.  
  212. Bridge ID Priority 49202 (priority 49152 sys-id-ext 50)
  213. Address 6cfa.8936.a980
  214. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  215. Aging Time 300 sec
  216. UplinkFast enabled but inactive in rapid-pvst mode
  217.  
  218. Interface Role Sts Cost Prio.Nbr Type
  219. ------------------- ---- --- --------- -------- --------------------------------
  220. Gi1/0/9 Desg FWD 3004 128.9 P2p
  221. Gi1/0/10 Back BLK 3004 128.10 P2p
  222. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  223.  
  224.  
  225. VLAN0300
  226. Spanning tree enabled protocol rstp
  227. Root ID Priority 49452
  228. Address 6cfa.8936.a980
  229. This bridge is the root
  230. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  231.  
  232. Bridge ID Priority 49452 (priority 49152 sys-id-ext 300)
  233. Address 6cfa.8936.a980
  234. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  235. Aging Time 300 sec
  236. UplinkFast enabled but inactive in rapid-pvst mode
  237.  
  238. Interface Role Sts Cost Prio.Nbr Type
  239. ------------------- ---- --- --------- -------- --------------------------------
  240. Gi1/0/9 Desg FWD 3004 128.9 P2p
  241. Gi1/0/10 Back BLK 3004 128.10 P2p
  242. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  243.  
  244.  
  245. testswitch#! converting back to MST mode - will soon repeat test with 8851.
  246. testswitch#conf t
  247. Enter configuration commands, one per line. End with CNTL/Z.
  248. testswitch(config)#spanning-tree mode mst
  249. testswitch(config)#
  250. 000392: Jul 8 05:59:42.244: RSTP(50): updt roles, non-tracked event
  251. 000393: Jul 8 05:59:42.244: RSTP(50): Gi1/0/44 not in sync
  252. 000394: Jul 8 05:59:42.244: RSTP(300): updt roles, non-tracked event
  253. 000395: Jul 8 05:59:42.244: RSTP(300): Gi1/0/44 not in sync^Z
  254. testswitch#
  255. 000396: Jul 8 05:59:42.247: %PARSER-5-CFGLOG_LOGGEDCMD: User:admin logged command:spanning-tree mode mst
  256. 000397: Jul 8 05:59:43.264: setting bridge id (which=3) prio 32768 prio cfg 32768 sysid 0 (on) id 8000.6cfa.8936.a980
  257. 000398: Jul 8 05:59:43.264: MST[0]: Gi1/0/9 is now designated port
  258. 000399: Jul 8 05:59:43.264: MST[0]: Gi1/0/10 is now designated port
  259. 000400: Jul 8 05:59:43.264: MST[0]: Gi1/0/44 is now designated port
  260. 000401: Jul 8 05:59:43.268: MST[0]: updt roles, received superior bpdu on Gi1/0/10
  261. 000402: Jul 8 05:59:43.268: MST[0]: Gi1/0/10 is now backup port
  262. 000403: Jul 8 05:59:43.439: %SYS-5-CONFIG_I: Configured from console by admin on console
  263. testswitch#
  264. testswitch#! disconnecting 7841.
  265. testswitch#
  266. 000404: Jul 8 06:00:06.634: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to down
  267. 000405: Jul 8 06:00:07.644: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to down
  268. 000406: Jul 8 06:00:10.164: %SWITCH_QOS_TB-5-TRUST_DEVICE_LOST: cisco-phone no longer detected on port Gi1/0/10, operational port trust
  269. state is now untrusted.
  270. 000407: Jul 8 06:00:14.847: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi1/0/9: PD removed
  271. 000408: Jul 8 06:00:15.889: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to down
  272. 000409: Jul 8 06:00:16.892: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to down
  273. 000410: Jul 8 06:00:21.670: %SWITCH_QOS_TB-5-TRUST_DEVICE_LOST: cisco-phone no longer detected on port Gi1/0/9, operational port trust s
  274. tate is now untrusted.
  275. testswitch#
  276. testswitch#! connecting primary port of 8851
  277. testswitch#
  278. 000411: Jul 8 06:01:06.032: %ILPOWER-7-DETECT: Interface Gi1/0/9: Power Device detected: IEEE PD
  279. 000412: Jul 8 06:01:07.011: %ILPOWER-5-POWER_GRANTED: Interface Gi1/0/9: Power granted
  280. 000413: Jul 8 06:01:14.134: MST[0]: Gi1/0/9 is now designated port
  281. 000414: Jul 8 06:01:16.126: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to up
  282. 000415: Jul 8 06:01:17.129: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to up
  283. 000416: Jul 8 06:01:34.766: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to down
  284. 000417: Jul 8 06:01:35.773: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to down
  285. 000418: Jul 8 06:01:36.734: MST[0]: Gi1/0/9 is now designated port
  286. 000419: Jul 8 06:01:37.709: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/9, port's configured trust state
  287. is now operational.
  288. 000420: Jul 8 06:01:38.709: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/9, port's configured trust state
  289. is now operational.
  290. 000421: Jul 8 06:01:38.730: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/9, changed state to up
  291. 000422: Jul 8 06:01:39.730: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to up
  292. testswitch#
  293. testswitch#sh spanning-tree
  294.  
  295. MST0
  296. Spanning tree enabled protocol mstp
  297. Root ID Priority 32768
  298. Address 6cfa.8936.a980
  299. This bridge is the root
  300. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  301.  
  302. Bridge ID Priority 32768 (priority 32768 sys-id-ext 0)
  303. Address 6cfa.8936.a980
  304. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  305.  
  306. Interface Role Sts Cost Prio.Nbr Type
  307. ------------------- ---- --- --------- -------- --------------------------------
  308. Gi1/0/9 Desg FWD 20000 128.9 P2p Edge
  309. Gi1/0/44 Desg FWD 20000 128.44 P2p Edge
  310.  
  311.  
  312. testswitch#! connecting switchport to loop
  313. testswitch#
  314.  
  315. 000423: Jul 8 06:01:40.415: MST[0]: Gi1/0/10 is now designated port
  316. 000424: Jul 8 06:01:42.410: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to up
  317. 000425: Jul 8 06:01:43.295: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  318. 000426: Jul 8 06:01:43.414: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to up
  319. 000427: Jul 8 06:01:43.819: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  320. 000428: Jul 8 06:01:44.053: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  321. 000429: Jul 8 06:01:44.095: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  322. is now operational.
  323. 000430: Jul 8 06:01:44.459: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  324. 000431: Jul 8 06:01:44.938: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  325. 000432: Jul 8 06:01:45.102: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  326. is now operational.
  327. 000433: Jul 8 06:01:46.101: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  328. is now operational.
  329. 000434: Jul 8 06:01:46.647: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  330. 000435: Jul 8 06:01:47.185: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  331. 000436: Jul 8 06:01:47.388: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  332. 000437: Jul 8 06:01:47.793: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  333. 000438: Jul 8 06:01:48.115: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/10 and port Gi1/0/9
  334. 000439: Jul 8 06:01:48.234: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  335. 000440: Jul 8 06:01:48.908: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  336. 000441: Jul 8 06:01:48.908: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  337. 000442: Jul 8 06:01:49.072: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  338. 000443: Jul 8 06:01:49.072: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/10 and port Gi1/0/9
  339. 000444: Jul 8 06:01:49.272: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  340. 000445: Jul 8 06:01:49.272: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/10 and port Gi1/0/9
  341. 000446: Jul 8 06:01:49.747: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  342. 000447: Jul 8 06:01:49.747: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/10 and port Gi1/0/9
  343. 000448: Jul 8 06:01:50.149: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  344. 000449: Jul 8 06:01:50.152: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  345. 000450: Jul 8 06:01:50.352: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  346. 000451: Jul 8 06:01:50.394: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  347. 000452: Jul 8 06:01:50.754: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  348. 000453: Jul 8 06:01:50.991: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  349. 000454: Jul 8 06:01:51.232: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  350. 000455: Jul 8 06:01:51.232: %SW_MATM-4-MACFLAP_NOTIF: Hostng-tree
  351.  
  352. ** note: console input separated from streaming console log messages.
  353.  
  354. testswitch#sh spanning-tree
  355.  
  356. MST0
  357. Spanning tree enabled protocol mstp
  358. Root ID Priority 32768
  359. Address 6cfa.8936.a980
  360. This bridge is the root
  361. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  362.  
  363. Bridge ID Priority 32768 (priority 32768 sys-id-ext 0)
  364. Address 6cfa.8936.a980
  365. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  366.  
  367. Interface Role Sts Cost Prio.Nbr Type
  368. ------------------- ---- --- --------- -------- --------------------------------
  369. Gi1/0/9 Desg FWD 20000 128.9 P2p Edge
  370. Gi1/0/10 Desg FWD 20000 128.10 P2p Edge
  371. Gi1/0/44 Desg FWD 20000 128.44 P2p Edge
  372.  
  373. ** noise continues, no spanning tree intervention in loop. disconnecting cable below. **
  374.  
  375. 000520: Jul 8 06:02:03.309: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  376. 000521: Jul 8 06:02:03.518: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  377. 000522: Jul 8 06:02:03.759: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  378. 000523: Jul 8 06:02:03.763: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  379. 000524: Jul 8 06:02:04.039: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/9 and port Gi1/0/10
  380. 000525: Jul 8 06:02:04.039: %SW_MATM-4-MACFLAP_NOTIF: Host 0023.329e.5f84 in vlan 50 is flapping between port Gi1/0/9 and port Gi1/0/10
  381. 000526: Jul 8 06:02:06.073: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to down
  382. 000527: Jul 8 06:02:07.083: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to down
  383. 000528: Jul 8 06:02:10.184: %SWITCH_QOS_TB-5-TRUST_DEVICE_LOST: cisco-phone no longer detected on port Gi1/0/10, operational port trust
  384. state is now untrusted.
  385.  
  386. testswitch#! loop disconnected
  387. testswitch#conf t
  388. Enter configuration commands, one per line. End with CNTL/Z.
  389. testswitch(config)#spanning-tree mode rapid-pvst
  390. testswitch(config)#
  391. 000529: Jul 8 06:02:26.542: MST[0]: updt roles, non-tracked event
  392. 000530: Jul 8 06:02:26.545: %PARSER-5-CFGLOG_LOGGEDCMD: User:admin logged command:spanning-tree mode rapid-pvst
  393. 000531: Jul 8 06:02:27.548: setting bridge id (which=3) prio 49202 prio cfg 49152 sysid 50 (on) id C032.6cfa.8936.a980
  394. 000532: Jul 8 06:02:27.548: STP: PVST vlan 50 port Gi1/0/9 created, ext id 64B9618
  395. 000533: Jul 8 06:02:27.548: RSTP(50): initializing port Gi1/0/9
  396. 000534: Jul 8 06:02:27.548: RSTP(50): Gi1/0/9 is now designated
  397. 000535: Jul 8 06:02:27.548: STP: PVST vlan 50 port Gi1/0/44 created, ext id 64FEF88
  398. 000536: Jul 8 06:02:27.548: RSTP(50): initializing port Gi1/0/44
  399. 000537: Jul 8 06:02:27.548: RSTP(50): Gi1/0/44 is now designated
  400. 000538: Jul 8 06:02:27.548: setting bridge id (which=3) prio 49452 prio cfg 49152 sysid 300 (on) id C12C.6cfa.8936.a980
  401. 000539: Jul 8 06:02:27.548: STP: PVST vlan 300 port Gi1/0/9 created, ext id 64B9618
  402. 000540: Jul 8 06:02:27.548: RSTP(300): initializing port Gi1/0/9
  403. 000541: Jul 8 06:02:27.548: RSTP(300): Gi1/0/9 is now designated
  404. 000542: Jul 8 06:02:27.548: STP: PVST vlan 300 port Gi1/0/44 created, ext id 64FEF88
  405. 000543: Jul 8 06:02:27.552: RSTP(300): initializing port Gi1/0/44
  406. 000544: Jul 8 06:02:27.552: RSTP(300): Gi1/0/44 is now designated^Z
  407. testswitch#
  408. testswitch#sh spanning-tree
  409.  
  410. VLAN0050
  411. Spanning tree enabled protocol rstp
  412. Root ID Priority 49202
  413. Address 6cfa.8936.a980
  414. This bridge is the root
  415. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  416.  
  417. Bridge ID Priority 49202 (priority 49152 sys-id-ext 50)
  418. Address 6cfa.8936.a980
  419. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  420. Aging Time 300 sec
  421. UplinkFast enabled but inactive in rapid-pvst mode
  422.  
  423. Interface Role Sts Cost Prio.Nbr Type
  424. ------------------- ---- --- --------- -------- --------------------------------
  425. Gi1/0/9 Desg FWD 3004 128.9 P2p Edge
  426. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  427.  
  428.  
  429. VLAN0300
  430. Spanning tree enabled protocol rstp
  431. Root ID Priority 49452
  432. Address 6cfa.8936.a980
  433. This bridge is the root
  434. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  435.  
  436. Bridge ID Priority 49452 (priority 49152 sys-id-ext 300)
  437. Address 6cfa.8936.a980
  438. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  439. Aging Time 300 sec
  440. UplinkFast enabled but inactive in rapid-pvst mode
  441.  
  442. Interface Role Sts Cost Prio.Nbr Type
  443. ------------------- ---- --- --------- -------- --------------------------------
  444. Gi1/0/9 Desg FWD 3004 128.9 P2p Edge
  445. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  446.  
  447.  
  448. testswitch#! reconnecting loop
  449. testswitch#
  450. 000546: Jul 8 06:02:45.535: STP: PVST vlan 50 port Gi1/0/10 created, ext id 64BB5E8
  451. 000547: Jul 8 06:02:45.535: RSTP(50): initializing port Gi1/0/10
  452. 000548: Jul 8 06:02:45.535: RSTP(50): Gi1/0/10 is now designated
  453. 000549: Jul 8 06:02:45.535: STP: PVST vlan 300 port Gi1/0/10 created, ext id 64BB5E8
  454. 000550: Jul 8 06:02:45.535: RSTP(300): initializing port Gi1/0/10
  455. 000551: Jul 8 06:02:45.535: RSTP(300): Gi1/0/10 is now designated
  456. 000552: Jul 8 06:02:46.772: RSTP(50): updt roles, received superior bpdu on Gi1/0/10
  457. 000553: Jul 8 06:02:46.772: RSTP(50): Gi1/0/10 not in sync
  458. 000554: Jul 8 06:02:46.772: RSTP(300): updt roles, received superior bpdu on Gi1/0/10
  459. 000555: Jul 8 06:02:46.772: RSTP(300): Gi1/0/10 not in sync
  460. 000556: Jul 8 06:02:46.772: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  461. is now operational.
  462. 000557: Jul 8 06:02:47.537: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state to up
  463. 000558: Jul 8 06:02:47.765: %SW_MATM-4-MACFLAP_NOTIF: Host e089.9dfb.34d9 in vlan 300 is flapping between port Gi1/0/10 and port Gi1/0/9
  464. 000559: Jul 8 06:02:47.765: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  465. is now operational.
  466. 000560: Jul 8 06:02:48.562: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/10, changed state to up
  467. 000561: Jul 8 06:02:48.817: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi1/0/10, port's configured trust state
  468. is now operational.
  469. 000562: Jul 8 06:02:48.908: RSTP(50): updt roles, received superior bpdu on Gi1/0/10
  470. 000563: Jul 8 06:02:48.908: RSTP(50): Gi1/0/10 is now backup
  471. 000564: Jul 8 06:02:48.908: RSTP(50): Gi1/0/44 not in sync
  472. 000565: Jul 8 06:02:48.908: RSTP(300): updt roles, received superior bpdu on Gi1/0/10
  473. 000566: Jul 8 06:02:48.908: RSTP(300): Gi1/0/10 is now backup
  474. 000567: Jul 8 06:02:48.908: RSTP(300): Gi1/0/44 not in sync
  475. testswitch#
  476. testswitch#sh spanning-tree
  477.  
  478. VLAN0050
  479. Spanning tree enabled protocol rstp
  480. Root ID Priority 49202
  481. Address 6cfa.8936.a980
  482. This bridge is the root
  483. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  484.  
  485. Bridge ID Priority 49202 (priority 49152 sys-id-ext 50)
  486. Address 6cfa.8936.a980
  487. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  488. Aging Time 300 sec
  489. UplinkFast enabled but inactive in rapid-pvst mode
  490.  
  491. Interface Role Sts Cost Prio.Nbr Type
  492. ------------------- ---- --- --------- -------- --------------------------------
  493. Gi1/0/9 Desg FWD 3004 128.9 P2p
  494. Gi1/0/10 Back BLK 3004 128.10 P2p
  495. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  496.  
  497.  
  498.  
  499. VLAN0300
  500. Spanning tree enabled protocol rstp
  501. Root ID Priority 49452
  502. Address 6cfa.8936.a980
  503. This bridge is the root
  504. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  505.  
  506. Bridge ID Priority 49452 (priority 49152 sys-id-ext 300)
  507. Address 6cfa.8936.a980
  508. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
  509. Aging Time 300 sec
  510. UplinkFast enabled but inactive in rapid-pvst mode
  511.  
  512. Interface Role Sts Cost Prio.Nbr Type
  513. ------------------- ---- --- --------- -------- --------------------------------
  514. Gi1/0/9 Desg FWD 3004 128.9 P2p
  515. Gi1/0/10 Back BLK 3004 128.10 P2p
  516. Gi1/0/44 Desg FWD 3004 128.44 P2p Edge
  517.  
  518.  
  519. testswitch#
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