What techniques detect asymmetric routing paths in multi-WAN networks?

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What techniques detect asymmetric routing paths in multi-WAN networks?

Asked on Oct 24, 2025

Answer

Detecting asymmetric routing paths in multi-WAN networks involves identifying situations where packets take different paths to and from a destination, which can lead to issues such as packet loss or latency. Techniques include using network monitoring tools, analyzing routing tables, and employing traceroute utilities to visualize the path discrepancies.

Use network monitoring tools like Wireshark or SolarWinds to capture and analyze packet flows for asymmetry.
Examine routing tables on routers and firewalls to identify different routes for incoming and outgoing traffic.
Utilize traceroute or MTR (My Traceroute) to map the path taken by packets in both directions and spot inconsistencies.

Additional Comment:

Asymmetric routing can cause stateful firewalls to drop packets if return paths are not anticipated.
Ensure consistent routing policies across all WAN links to minimize asymmetry.
Consider using policy-based routing or SD-WAN solutions to manage path selection more effectively.

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Ask any question about Networking here... and get an instant response.

What techniques detect asymmetric routing paths in multi-WAN networks?

Asked on Oct 24, 2025

Answer

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