25
Link Connectivity Problems
• Speed mismatch
• Pair mismatch
• Duplex mismatch
• Polarity reversed
• Level low
• Transmit pair open
Network Problems
Health
• Short Frames received (also jabber/FCS).
• Excessive utilization seen (also collisions).
NetWare
• Ethernet frame-type mismatches.
• No nearest server replies seen on network.
• No first responder replies seen on network.
Unable to configure PC network number.
TCP/IP
• Device using incorrect IP address and/or
subnet masks.
• Router issued ICMP redirect. Hosts or
devices using incorrect gateways/routers.
• PC using incorrect IP subnet mask.
• PC using incorrect IP address.
• Duplicate IP detected.
Host Configuration
• BootP/DHCP server not responding.
• DHCP server issuing IP address that
causes duplicate IP on network.
• DHCP Server: xxx.xxx.xxx.xxx did not
supply a default router IP address.
• DHCP Server: xxx.xxx.xxx.xxx did not
supply a subnet mask.
