時(shí)間:2015/6/28來(lái)源:IT貓撲網(wǎng)作者:網(wǎng)管聯(lián)盟我要評(píng)論(0)
MP Group成員接口狀態(tài)頻繁Up/Down的故障解決步驟如下:
網(wǎng)絡(luò)環(huán)境
兩臺(tái)NE40路由器RouterA和RouterB通過(guò)MP Group鏈路連接,MP Group由8條E1鏈路捆綁而成。如圖所示。
MP Group故障組網(wǎng)圖
在進(jìn)行一次設(shè)備調(diào)整后,發(fā)現(xiàn)業(yè)務(wù)不通,查看接口發(fā)現(xiàn)MP Group成員不停地Up/Down,MP Group自身也有Up/Down現(xiàn)象。
查看日志緩沖區(qū),可以看到有很多Serial口和MP Group接口Up/Down的日志信息:
- %Jul 21 04:06:48 2007 A2 LSPM/5/LSPM:
- Info:[LSPM] Get interface event 1 and address 0x0 for interface Mp-group1/1/1
- %Jul 21 04:06:48 2007 A2 IFNET/5/UPDOWN:Interface Serial1/1/3:0 Turns into DOWN state
- %Jul 21 04:06:48 2007 A2 LSPM/5/LSPM:
- Info:[LSPM] Get interface event 1 and address 0x0 for interface Mp-group1/1/1
- %Jul 21 04:06:48 2007 A2 IFNET/5/UPDOWN:Interface Serial1/1/2:0 Turns into DOWN state
- %Jul 21 04:06:48 2007 A2 LSPM/5/LSPM:
- Info:[LSPM] Get interface event 1 and address 0x0 for interface Mp-group1/1/1
- %Jul 21 04:06:48 2007 A2 IFNET/5/UPDOWN:Interface Serial1/1/1:0 Turns into DOWN state
- %Jul 21 04:06:48 2007 A2 LSPM/5/LSPM:
- Info:[LSPM] Get interface event 1 and address 0x0 for interface Mp-group1/1/1
- %Jul 21 04:06:48 2007 A2 IFNET/5/UPDOWN:Interface Serial1/1/0:0 Turns into DOWN state
- %Jul 21 04:06:48 2007 A2 LSPM/5/LSPM:
- Info:[LSPM] Get interface event 1 and address 0x0 for interface Mp-group1/1/1
- %Jul 21 04:06:47 2007 A2 IFNET/5/UPDOWN:Line protocol(MPLSCP) on interface Mp-group1/1/1, changed state to UP
- %Jul 21 04:06:47 2007 A2 RM/4/RMLOG:OSPF PhyIf Info: IfName: Mp-group1/1/1, P1: 4d, P2: 400088e, P3: 3, P4: 10240000, P5: 1500, P6: 4
- %Jul 21 04:06:47 2007 A2 RM/4/RMLOG:OSPF LogicIf Info: IfName: Mp-group1/1/1, P1: 21, P2: 77, P3: 67111054, P4: 3, P5: 10240000, P6: 1500, P7: 4
- %Jul 21 04:06:47 2007 A2 RM/4/RMLOG:OSPF PhyIf Info: IfName: Mp-group1/1/1, P1: 4d, P2: 400088e, P3: 3, P4: 10240000, P5: 1500, P6: 6
- %Jul 21 04:06:47 2007 A2 IFNET/5/UPDOWN:Line protocol(OSICP) on interface Mp-group1/1/1, changed state to UP
- %Jul 21 04:06:47 2007 A2 IFNET/5/UPDOWN:Line protocol(MPLSCP) on interface Mp-group1/1/1, changed state to DOWN
故障分析
步驟 1 檢查鏈路兩端NE40的配置,發(fā)現(xiàn)配置沒(méi)有異常。
步驟 2 由于設(shè)備調(diào)整后鏈路中斷,設(shè)備重起后PPP需要重新協(xié)商,可能出現(xiàn)協(xié)商不成功,重啟接口板后發(fā)現(xiàn)問(wèn)題依然存在。
步驟 3 執(zhí)行命令display interface mp-group,查看接口信息,發(fā)現(xiàn)兩端路由器上的MP group的成員接口中有一些處在Active狀態(tài),另一些處在Inactive狀態(tài),并且狀態(tài)不停的變化,而正常情況下應(yīng)該都是Active。同時(shí)發(fā)現(xiàn)Peer IP address協(xié)商異常。顯示的接口信息如下:
- <A2> display interface mp-group1/1/1
- Mp-group1/1/1 current state: up,
- Line protocol current state: up
- Description: to_B2_MPgroup1/0/1
- Internet address is 10.240.240.5/30
- Link-protocol is PPP, MP, NO SHORTSEQUENCE, DISCRIMINATOR
- MRRU 1500 bytes, Peer MRRU 1500 bytes
- The Max HQOS BandWidth is 9520 Kbits
- Include: 5 * E1, Active: 4 * E1
- Serial1/1/4:0 A
- Serial1/1/3:0 A
- Serial1/1/2:0 A
- Serial1/1/1:0 A
- Serial1/1/0:0 I
- Peer IP address is 10.240.240.2/32
- NCP: IPCP Opened, OSICP Opened, MPLSCP Opened
- <A1> display interface mp-group1/1/1
- Mp-group1/1/1 current state: up,
- Line protocol current state: up
- Description:to_B1_MPgroup1/0/1
- Internet address is 10.240.240.1/
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