Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

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dan_03_140075
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Apr 27, 2014
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Hidden interfaces...?

Hello, do i need to worry about hidden interfaces and trunks? I been investigating a network latency issue on our 6400 v9 ltm. I came across certain VLAN members that belonged to trunks. None of the trunks or interfaces are listed (gui/physical). They are however "seen" via the [-j] switch. As stated they form part of the vlans and one of these hidden trunks are showing continuous packet drops.... The device has two of these hidden trunks one using 0.1 & 0.2 (hidden interfaces) and also 4.1 & 4.2 (hidden interfaces). The one using 4.1 & 2 is showing a steady increment to its pkts drop b vlan all show all -j b trunk show all -j b interface show all -j

 

Thanks

 

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