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Usually drops are from lack of buffers. The cause is more traffic sent to the interface then the interface can transmit. If it's long term oversubscription, drops are often normal. If traffic is rate adaptive, drops often are used to signal sender to slow its transmission rate. (NB: for these cases, the ideal drop rate is such that it's the minimum number of drops to regulate transmitter to available bandwidth; often a drop rate of up to about 1%.)
If it's short term oversubscription, allocated buffers are likely insufficient for the needs of your traffic. If possible, increased buffer alloction might mitigate or eliminate the drops.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
The need was to reach an host inside a LAN through a VPN connection managed by the LAN gateway (Cisco 1921).
The LAN gateway performs NAT and there was a dedicate nat rule for the host i wanted to reach through VPN.
I couldn't connect to the hos...
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...