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more fact cause vrrp Interface state is peer down

Publication Date:  2019-07-11 Views:  127 Downloads:  0

Issue Description

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S8016-1 and S8016-2 belong to network1,E1000-1 and E1000-2 belong to network2,network1 and network2 joining by VRRP+static route,heart of VRRP is provided by layer2 links of S8016-1 and S8016-2,between E1000s connect with layer3 links, VRID of network 1 is 5,VRID of network 2 is 14,primary plate is S8016-1 and E1000-1,network 2 direct configured vrrp group,add port of opposite of s8016 to vrrp group
Phenomenon of problem,network 2 direction,through command
HRP_M disp vrrp-group verbose                                        
Vrrp Group 1 
   state : Master                         Priority : 105                          Preempt : YES   Delay Time : 0               Timer : 1000                                                            
Group-Send  : YES                      
Peer Status : OnLine                     
Vrrp number : 4   
VGMP member : Same                      
   interface : Ethernet4/0/7, vrrp id : 10 Up          interface : GigabitEthernet1/0/1, vrrp id : 12 Up           interface : GigabitEthernet2/0/1, vrrp id : 14 Peer Down
interface : GigabitEthernet1/0/0, vrrp id : 11 Up
check found state of E1000 up port is peer down

Alarm Information


Handling Process

1 low safe area to local area inbound at E1000 permit multicast of address pass
Configuration as follows
HRP_M[E1000]acl number 3000
                       rule 5 permit ip destination 0
HRP_M[E1000]firewall interzone local untr                                
                       packet-filter 3000 inbound      
then check state is also peer down
2 vrrp multicast message forward by heart wire between S8016,if not learnt transparent function in heart vlan
In problem networking,at S8016-1 copy interactive packet,can not received VRRP messages,and at S8016-1 copy interactive packet too,can not received VRRP messages either
3 open vrrp broadcast enable of valn,problem solved

Root Cause

1 not configure pass rule of low safe area to local area,After check,require configure permit rule to multicast address
2 between S8016s connect with heart wire transparent vlan not permit multicast messages pass