Intrvw: Difference between revisions

32 bytes removed ,  2 years ago
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* VPN traffic is not reaching other gateway device? How to prove?
Ans:Take snoop simultaneusly at both sites.
 
* What filters to use for VPN Traffic?
Ans: 4 filters- two for & to the gateways, two to & for the PCs
 
* 4 VPNs between 2 devices, how to identify which packet is for which VPN?
Ans:SPI will be unique & remains same for a single VPN
 
* ESP has Port no?
 
* IMP:What is NAT-T? Why packet will drop without NAT-T? at which packet exchange will it drop?
Ans:At which packet level does it start using UDP port 4500?
 
*Scenario 1: