在Brocade交换机上观察到多个链路挡板、同时EX端口关闭

适用场景

Brocade 交换机上的端口

问题描述

• 在Brocade交换机上观察到多个链路封板、同时两个EX端口都关闭、从而导致网络结构中断、因为多个域不可重复。
• 此类事件可在 Fabriclog 输出下的交换机日志中观察为"BF–Build Fabric "事件、状态将通过网络结构交换机上的ISL端口传递、如以下代码片段所示：

Switch 0; Tue Sep 13 11:03:24 2022 IST (GMT+5:30)
11:03:24.283511 BF Rcv                    A2,P3  A2,P3  46   0xaa1 
11:03:24.283918 BF sending ACC                F0,P3  F0,P3  46   0xaa1 
11:03:24.284541 *BF Flood                   F0,NA  F0,NA  NA   NA   
11:03:24.284658 *BF Send:iu=0x19dce2b0            F0,P3  F0,P3  0    0x1b71
11:03:24.284758 *BF Send:iu=0x19dd28a0            F0,P3  F0,P3  38   0x7e37
11:03:24.285039 *BF Send:iu=0x19dd2b90            F0,P3  F0,P3  96   0x5c42
11:03:24.288801 BF ACC Rcv                  F0,P3  F0,P3  38   0x7e37
11:03:24.288818 BF ACC Rcv                  F0,P3  F0,P3  96   0x5c42
11:03:24.289342 SCN Domain 102 invalid            F0,NA  F0,NA  NA   NA   
11:03:24.290925 BF ACC Rcv                  F0,P3  F0,P3  0    0x1b71
11:03:25.401576 SCN Domain 1 reachable            F0,NA  F0,NA  NA   NA   
11:03:41.566052 SCN Domain 102 valid             A2,NA  A2,NA  NA   NA   
11:03:41.616345 SCN Domain 1 available            A2,NA  A2,NA  NA   NA   
11:03:41.623640 SCN Domain 200 available           A2,NA  A2,NA  NA   NA   
11:03:41.629084 SCN Domain 1 available            A2,NA  A2,NA  NA   NA   
11:03:41.653521 BF Rcv                    A2,P3  A2,P3  46   0xb6f 
11:03:41.653914 BF sending ACC                F0,P3  F0,P3  46   0xb6f 
11:03:41.654520 *BF Flood                   F0,NA  F0,NA  NA   NA   
11:03:41.654615 *BF Send:iu=0x19dce2b0            F0,P3  F0,P3  0    0x609d
11:03:41.654709 *BF Send:iu=0x19dcde90            F0,P3  F0,P3  38   0x6bf9
11:03:41.655198 *BF Send:iu=0x19dd1d90            F0,P3  F0,P3  96   0x786b
11:03:41.665608 BF ACC Rcv                  F0,P3  F0,P3  38   0x6bf9
11:03:41.665624 BF ACC Rcv                  F0,P3  F0,P3  0    0x609d
11:03:41.665633 BF ACC Rcv                  F0,P3  F0,P3  96   0x786b