Fault Tolerance not working between CSMs
I have two CSM modules in two differnt switches (Bridge mode) configured for high availability. After noticing one of the CSM modules was in failed mode, I reset the module. While the module reboots I get the following messages: %CSM_SLB-4-REDUNDANCY_WARN: Module 3 FT warning: LRP: no ACK from standby.. standby may be down
%CSM_SLB-4-TOPOLOGY: Module 3 warning: IP address conflict: ARP frame from 170.41.228.10 with MAC 00:01:64:f9:
1a:07 received on VLAN 2.
With both online a "show mod csm 3 ft" shows both modules active.
I can no longer access the real servers.
When I remove the module that I reset (Primary) I can access the servers using the backup CSM.
Whe I remove the backup CSM and insert the Primary, I cannot acces the servers once again.
The FT vlan is VLAN 7 configured on both switches and is the only allowed VLAN on the trunk.
The config for the Primary CSM is:redundancy
mode sso
main-cpu
auto-sync running-config
spanning-tree mode pvst
module ContentSwitchingModule 3
ft group 7 vlan 7
priority 30
preempt
vlan 2 client
ip address 170.41.228.20 255.255.255.192
gateway 170.41.228.1
vlan 8 server
ip address 170.41.228.20 255.255.255.192
probe CARMENWEBPROBE tcp
interval 10
failed 100
probe HTTPS tcp
interval 10
failed 100
port 443
serverfarm CARMENWEBFARM
nat server
no nat client
real 170.41.228.15
inservice
real 170.41.228.16
inservice
probe HTTPS
vserver CARMENVSERVER
virtual 170.41.228.10 tcp 0
serverfarm CARMENWEBFARM
persistent rebalance
inservice
Trunk for VLAN 7 config :
interface GigabitEthernet4/2
switchport
switchport trunk encapsulation isl
switchport trunk allowed vlan 7
switchport mode trunk
no ip address
logging event link-status
logging event spanning-tree status
logging event trunk-status
Has anyone had this problem?
Thanks, Donald
The plan is to take a working CSM from a DR site with the same config to try in place of the not working active. I did not want to risk taking the working stanby and moving it and possibly having an outage at this time since this is a production switch being heavily utilized at the moment. I wanted to verify there was not something in the config that was not configured properly.
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