Hello ,
After a few months testing VPP, I finally intend to get it to production environment as a CGNAT gateway, more specifically, using deterministic mode. If system doesn't work properly, or if a crash occur I would like to be prepared to get all information that is needed to find what is going on. I took a look on this link: https://fd.io/docs/vpp/master/troubleshooting/index.html and some question came up: * About show error output: If I just only ping a device, I get the following output. Does it indicate error or is it regular response: Count Node Reason Severity 65 lldp-input lldp packets received on disabled i error 1482 dpdk-input no error error 1 arp-reply ARP replies sent error 1469 arp-reply IP4 source address not local to sub error 7 arp-disabled ARP Disabled on this interface error 879 arp-input IP4 destination address is unset error 1 ip4-glean ARP requests sent error 52 ip4-input Multicast RPF check failed error 65 snap-input unknown oui/snap protocol error 390 ethernet-input unknown vlan error * About show run: here, I believe the most important thing to pay attention is the vector rate value. Is that right? Is there anything else to pay special attention about? * About trace: as I previous said, I will deploy VPP as a CGN gateway. In this case what nodes do I have to include when I start a trace? * About vpp interactive option on startup.conf - I did not get what this option representes to vpp. Could someone clarify it please? * About coredump: Is it a good practice to turn coredump on everytime I start vpp or only if it crashes? * Are there any other points to observe when running VPP? Best Regards Marcos
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