Checkpoint Cluster Member Down because interfaces show partially up - 91Sec

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Friday, May 30, 2014

Checkpoint Cluster Member Down because interfaces show partially up

Symptoms:

One of cluster member shows problem. It always happened on standby member. If goes into deep, you will find some of cluster member interfaces are showing down or partially up, although physically interface is up and connected properly.

Related post: https://www.51sec.org/2016/01/24/configuring-checkpoint-gateway-forwarding-logs-to-external-syslog-server/



Log into command line on primary member:
[Expert@CP1]# cphaprob stat

Cluster Mode:   New High Availability (Active Up)
 with IGMP Membership

Number     Unique Address  Assigned Load   State    

1 (local)  1.1.1.1         100%            Active    
2          1.1.1.2         0%              Down      


On standby checkpoint member :
[Expert@CP2]# cphaprob stat

Cluster Mode:   New High Availability (Active Up)
 with IGMP Membership

Number     Unique Address  Assigned Load   State  

1          1.1.1.1         100%            Active  
2 (local)  1.1.1.2         0%              Down    

[Expert@CP2]# cphaprob -i list
Built-in Devices:

Device Name: Interface Active Check
Current state: problem

Device Name: HA Initialization
Current state: OK

Registered Devices:

Device Name: Synchronization
Registration number: 0
Timeout: none
Current state: OK
Time since last report: 93466.5 sec

Device Name: Filter
Registration number: 1
Timeout: none
Current state: OK
Time since last report: 93439.2 sec

Device Name: cphad
Registration number: 2
Timeout: 2 sec
Current state: OK
Time since last report: 0.2 sec

Device Name: fwd
Registration number: 3
Timeout: 2 sec
Current state: OK
Time since last report: 0.2 sec

[Expert@CP2]# cphaprob -a if
Required interfaces: 4
Required secured interfaces: 1

DMZ        UP                    non sync(non secured), multicast
Internal   Inbound: DOWN (10.9 secs)    Outbound: DOWN (88822.4 secs) non sync(non secured), multicast
Lan1       UP                    sync(secured), multicast
External   Inbound: DOWN (88822.4 secs) Outbound: DOWN (89001.8 secs) non sync(non secured), multicast

Virtual cluster interfaces: 3

DMZ             100.9.2.30    
Internal        100.9.40.1    
External        100.9.38.20

Solution: 

Change Cluster mode from Multicast mode to Broadcast mode. From command line, it is "cphaconf set_ccp broadcast". This change does not require system reboot or cpstop/cpstart. Also it can survive reboot.


[Expert@CP1]# cphaconf set_ccp broadcast
[Expert@CP1]# cphaprob -a if

Required interfaces: 4
Required secured interfaces: 1

DMZ        UP                    non sync(non secured), broadcast
Internal   UP                    non sync(non secured), broadcast
Lan1       UP                    sync(secured), broadcast
External   UP                    non sync(non secured), broadcast

Virtual cluster interfaces: 3

DMZ             10.99.2.30      
Internal        10.99.140.1      
External        10.99.138.20      

[Expert@CP1]# cphaprob stat
Cluster Mode:   New High Availability (Active Up)
 with IGMP Membership

Number     Unique Address  Assigned Load   State    

1 (local)  1.1.1.1         100%            Active    
2          1.1.1.2         0%              Standby  


[Expert@CP2]# cphaconf set_ccp broadcast
[Expert@CP2]# cphaprob stat
Cluster Mode:   New High Availability (Active Up)
 with IGMP Membership

Number     Unique Address  Assigned Load   State    

1          1.1.1.1         100%            Active    
2 (local)  1.1.1.2         0%              Standby  

[Expert@CP2]# cphaprob -a if
Required interfaces: 4
Required secured interfaces: 1

DMZ        UP                    non sync(non secured), broadcast
Internal   UP                    non sync(non secured), broadcast
Lan1       UP                    sync(secured), broadcast
External   UP                    non sync(non secured), broadcast

Virtual cluster interfaces: 3

DMZ             100.9.2.30      
Internal        100.9.40.1      
External        100.9.38.20      


Note: To softly switch cluster statue between cluster member, use this command "clusterXL_admin <up|down> [-p]"
[Expert@CP]# clusterXL_admin up
Setting member to normal operation ...
Member current state is Standby

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