AWS AWSEC2 documentation change
Summary
Added section about asymmetric L2 flow handling differences between Nitro platform versions
Security assessment
New content describes network performance characteristics, not security features or vulnerabilities
Diff
diff --git a/AWSEC2/latest/UserGuide/ena-nitro-perf.md b/AWSEC2/latest/UserGuide/ena-nitro-perf.md index 584442dbe..48707cc50 100644 --- a/AWSEC2/latest/UserGuide/ena-nitro-perf.md +++ b/AWSEC2/latest/UserGuide/ena-nitro-perf.md @@ -171,0 +172,5 @@ Internet Control Message Protocol (ICMP) is a network layer protocol that networ +**Asymmetric L2 flows** + + +NitroV3 and earlier platforms do not use hardware acceleration for traffic between two ENIs in the same subnet where one ENI is using the default gateway router and the other is not. NitroV4 and later platforms utilize hardware acceleration in this scenario. For better performance on NitroV3 or earlier platforms, ensure that either the default gateway router used matches between both ENIs, or those ENIs are in different subnets. +