S12510F与5820V2起汇聚口(三层)的时候,配置成动态协商的时候,有两个口无法被选择。但是两边配置为静态的时候,8个口都会被选择。XGE2/1/0/24 和 XGE2/1/0/25。
S12510-F:
Aggregate Interface: Route-Aggregation31
Aggregation Mode: Dynamic
Loadsharing Type: Shar
System ID: 0x8000, 70f9-6d18-7456
Local:
Port Status Priority Oper-Key Flag
--------------------------------------------------------------------------------
XGE1/0/0/24 S 32768 18 {ACDEF}
XGE1/0/0/25 S 32768 18 {ACDEF}
XGE1/1/0/24 S 32768 18 {ACDEF}
XGE1/1/0/25 S 32768 18 {ACDEF}
XGE2/0/0/24 S 32768 18 {ACDEF}
XGE2/0/0/25 S 32768 18 {ACDEF}
XGE2/1/0/24 U 32768 18 {ACD}
XGE2/1/0/25 U 32768 18 {ACD}
Remote:
Actor Partner Priority Oper-Key SystemID Flag
---- More ----
--------------------------------------------------------------------------------
XGE1/0/0/24 43 32768 2 0x8000, 3897-d6b0-71b0 {ACDEF}
XGE1/0/0/25 44 32768 2 0x8000, 3897-d6b0-71b0 {ACDEF}
XGE1/1/0/24 45 32768 2 0x8000, 3897-d6b0-71b0 {ACDEF}
XGE1/1/0/25 46 32768 2 0x8000, 3897-d6b0-71b0 {ACDEF}
XGE2/0/0/24 248 32768 2 0x8000, 3897-d6b0-71b0 {ACDEF}
XGE2/0/0/25 249 32768 2 0x8000, 3897-d6b0-71b0 {ACDEF}
XGE2/1/0/24 251 32768 2 0x8000, 3897-d6b0-71b0 {AC}
XGE2/1/0/25 250 32768 2 0x8000, 3897-d6b0-71b0 {AC}
5820V2:
Aggregate Interface: Route-Aggregation1
Aggregation Mode: Dynamic
Loadsharing Type: Shar
Management VLAN : None
System ID: 0x8000, 3897-d6b0-71b0
Local:
Port Status Priority Oper-Key Flag
--------------------------------------------------------------------------------
XGE1/0/43 S 32768 2 {ACDEF}
XGE1/0/44 S 32768 2 {ACDEF}
XGE1/0/45 S 32768 2 {ACDEF}
XGE1/0/46 S 32768 2 {ACDEF}
XGE2/0/43 S 32768 2 {ACDEF}
XGE2/0/44 S 32768 2 {ACDEF}
XGE2/0/45 U 32768 2 {ACD}
XGE2/0/46 U 32768 2 {ACD}
Remote:
Actor Partner Priority Oper-Key SystemID Flag
--------------------------------------------------------------------------------
XGE1/0/43 24 32768 18 0x8000, 70f9-6d18-7456 {ACDEF}
XGE1/0/44 25 32768 18 0x8000, 70f9-6d18-7456 {ACDEF}
XGE1/0/45 89 32768 18 0x8000, 70f9-6d18-7456 {ACDEF}
XGE1/0/46 90 32768 18 0x8000, 70f9-6d18-7456 {ACDEF}
XGE2/0/43 1584 32768 18 0x8000, 70f9-6d18-7456 {ACDEF}
XGE2/0/44 1585 32768 18 0x8000, 70f9-6d18-7456 {ACDEF}
XGE2/0/45 1649 32768 18 0x8000, 70f9-6d18-7456 {AC}
XGE2/0/46 1650 32768 18 0x8000, 70f9-6d18-7456 {AC}
静态没有问题,动态出了问题;动态唯一的不同的就是多出了报文的交互,可以debug看下报文交互过程,看下现场收集debug:
*Mar 31 17:56:28:838 2016 HD-4F-P08&P09-S12510F-1&2 LAGG/7/Packet: -MDC=1-Chassis=2-Slot=1; PACKET.Ten-GigabitEthernet2/1/0/24.send.
size=110, subtype=1, version=1
Actor: type=1, len=20, sys-pri=0x8000, sys-mac=70f9-6d18-7456, key=0x12, pri=0x8000, port-index=0x671, state=0xd //发出去是2/1/0/24
Partner: type=2, len=20, sys-pri=0x8000, sys-mac=3897-d6b0-71b0, key=0x2, pri=0x8000, port-index=0xfb, state=0x5
Collector: type=3, len=16, col-max-delay=0x0
Terminator: type=0, len=0
*Mar 31 17:56:28:844 2016 HD-4F-P08&P09-S12510F-1&2 LAGG/7/Packet: -MDC=1-Chassis=2-Slot=1; PACKET.Ten-GigabitEthernet2/1/0/24.receive.
size=110, subtype=1, version=1
Actor: type=1, len=20, sys-pri=0x8000, sys-mac=3897-d6b0-71b0, key=0x2, pri=0x8000, port-index=0xfb, state=0xd
Partner: type=2, len=20, sys-pri=0x8000, sys-mac=70f9-6d18-7456, key=0x12, pri=0x8000, port-index=0x672, state=0x5 //收包时是2/1/0/25
Collector: type=3, len=16, col-max-delay=0x0
Terminator: type=0, len=0
一开始从表面上来看,24口发了LACP报文后续也收到LACP报文,有正常的LACP报文交互。
后来对比内部的端口索引看port-map信息。0x672对应接口为25口,实际收到报文的是25口。
Mapping里信息:
XGE2/1/0/24 1 13 xe8 no no 0x671 69 up
XGE2/1/0/25 2 8 xe3 no no 0x672 70 up
原本从24口发出去的LACP报文,发给对端后,对端返回来的LACP报文,本地实际从25口收到了。
原本24口和25口收发光纤插错了,所以导致了此问题。
对应插好收发光光纤
现场施工注意连线
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