Answer
IP conflicts break routing and containers become unreachable.
Quick Answer
If two overlay networks are configured with the same subnet (e.g., both using 10.0.0.0/24), containers on different networks can end up with the same IP. Routing breaks — packets destined for one network's container reach the wrong network. Docker doesn't always prevent this at creation time, so subnet planning matters.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ