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3com 3900 and cisco 3500 compat problems
Figured it out. The 3com switch had auto-negotiation turned off. Cisco had it on. Easy, once you know they have different standards for default configurations... -
3com 3900 and cisco 3500 compat problems
When connecting a cisco 3512XL-EN via fibre to the uplink port of a 3com 3900 superstack II switch, the 3com thinks it's got a connection, but the cisco refuses to show it has a connection. Anything obvious?
