Path Monitoring Static Routes

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Path Monitoring Static Routes

L2 Linker

Hello All,


For some locations we have 2xISP setup, since we have no dynamic peering with any of those, we do a default static route via each of those. Having 'ECMP/Source IP hash' enabled it works just fine in a lab. We also do path monitoring for each of default route, pining different remote hosts like etc. 


Do we need actual static routes to those monitored destinations for whole thing to work or should default route be enough?




Cyber Elite
Cyber Elite


You shouldn't need to setup a static route for the monitored destinations. On the default route you have setup, simply setup path monitoring and you would likely want to setup the failure condition as 'All' instead of the default of 'Any'. 

@BPry thanks, is there a way to check what interfaces particular source is been hashed to in ECMP scenario? 

Hi @psycoma1984 ,

Just to add to the question with path monitor.

- Firewall is not using the routing table when sending the ping packets for path monitor.

- Those packets also don't go through the security policy

- And you cannot capture them with packet capture.

- Firewall will use the interface that is associated with that path monitor when generating the ping packets. It will use the IP assigned on that interface as source address


On your ECMP question - you can try with the following command "> show routing fib ecmp yes"

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