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Check physical cable first, if that is not it usually is a speed/duplex mismatch issue. Check that all devices are either auto/auto or set manually.
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Check physical cable first, if that is not it usually is a speed/duplex mismatch issue. Check that all devices are either auto/auto or set manually.

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Hi ,<br />
<br />
Am facing Port flapping problem on Cisco 2950/2960 switches which are connected to EDN/ESN since last couple of days...I have tried all basic troubleshooting still facing same issue..<br />
<br />
Please suggest me to resolve issue...
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Hi ,

Am facing Port flapping problem on Cisco 2950/2960 switches which are connected to EDN/ESN since last couple of days...I have tried all basic troubleshooting still facing same issue..

Please suggest me to resolve issue...

Port Flapping

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).