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Chapter 5
Configuring Gigabit Ethernet Switching
-----
2/1
Console> (enable)
To disable port negotiation on a 1000BASE-X Gigabit Ethernet port, perform this task in privileged
mode:
Task
Step 1
Disable Gigabit Ethernet port negotiation.
Step 2
Verify the port negotiation configuration.
This example shows how to disable port negotiation and verify the configuration:
Console> (enable) set port negotiation 2/1 disable
Port 2/1 negotiation disabled
Console> (enable) show port negotiation 2/1
Port
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2/1
Console> (enable)
Configuring a Timeout Period for Ports in errdisable State
For information on configuring a timeout period for ports in errdisable state, see
Ethernet and Fast Ethernet Switching."
Checking Connectivity
For more detailed information on checking connectivity, see
Note
Connectivity."
Use the ping and traceroute commands to test connectivity out Gigabit Ethernet ports.
To check connectivity out a port, perform this task in privileged mode:
Task
Step 1
Ping a remote host that is located out the port you
want to test.
Step 2
Trace the hop-by-hop route of packets from the
switch to a remote host located out the port you
want to test.
Step 3
If the host is unresponsive, check the IP address
and default gateway configured on the switch.
78-12647-02
----------------
enabled
Link Negotiation
----------------
disabled
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Configuring Gigabit Ethernet
Command
set port negotiation mod_num/port_num disable
show port negotiation [mod_num/port_num]
Chapter 19, "Checking Port Status and
Command
ping [-s] host [packet_size] [packet_count]
traceroute host
show interface
show ip route
Chapter 4, "Configuring
5-9
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Troubleshooting
