做了两台核心交换机的切换演练,在关掉核心1后重新开启核心1时出现业务ping包丢11个包,经分析核心1的日志,发现VLAN235的vrrp状态恢复为master之后,55秒后业务路由的ospf邻居才建立起来,正好符合11个丢包时间
2023-09-15 20:32:27 ***.***
10.232.15.1 Sep 15 20:32:28 2023
S10506X-BJHQAF15-CS01 %%10VRRP4/6/VRRP_STATUS_CHANGE: -DevIP=10.232.15.1; The
status of IPv4 virtual router 1 (configured on Vlan-interface235) changed from
Backup to Master: Preempt.<000>
2023-09-15 20:33:22 Local7.Notice
10.232.15.1 Sep 15
20:33:22 2023 S10506X-BJHQAF15-CS01 %%10OSPF/5/OSPF_NBR_CHG:
-DevIP=10.232.15.1; OSPF 100 Neighbor 172.16.173.10(Vlan-interface231) changed
from LOADING to FULL.<000>
默认生成树协议为mstp
连接上联设备的vlan,ospf的hello time时间已经改为1s
看配置,两台vrrp设备间没有建立ospf邻居;部分上行后口和vrrp心跳线不在一块单板上;这样确实会出现两块单板启动时间不一致,出现vrrp切换 了,但部分ospf邻居还未建立导致流量短时间不通的情况;
===============display ospf peer===============
OSPF Process 100 with Router ID 10.232.15.1
Neighbor Brief Information
Area: 0.0.3.234
Router ID Address Pri Dead-Time State Interface
10.232.15.5 172.16.173.58 1 4 Full/ - Vlan221
10.232.15.5 172.16.173.66 1 4 Full/ - Vlan223
10.232.15.6 172.16.173.42 1 4 Full/ - Vlan211
10.232.15.6 172.16.173.50 1 4 Full/ - Vlan213
10.232.15.7 172.16.173.26 1 3 Full/ - Vlan201
10.232.15.7 172.16.173.34 1 3 Full/ - Vlan203
10.232.15.129 172.16.173.2 1 3 Full/ - Vlan131
10.232.15.3 172.16.173.10 1 3 Full/ - Vlan231
10.232.15.4 172.16.173.18 1 3 Full/ - Vlan233
10.232.15.8 172.16.173.86 1 3 Full/ - Vlan237
===============display arp all===============
Type: S-Static D-Dynamic O-Openflow R-Rule M-Multiport I-Invalid
IP address MAC address VLAN/VSI name Interface Aging Type
10.232.1.60 0c73-eb92-103d 236 XGE1/0/4 1198 D
172.16.173.10 30b0-374a-9fcf 231 XGE1/0/1 323 D
172.16.173.18 30b0-374a-9fe2 233 XGE1/0/2 308 D
172.16.173.86 2c5a-0f04-7000 237 XGE1/0/3 936 D
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