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Cisco交换机以太网经典配置

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很经典啊，我用的 。
Configurations
The configurations in this document were implemented in an isolated lab environment. The configurations were cleared by issuing the write erase command on the routers, and the clear config all command on the switches to ensure that all devices have a default configuration. Make sure you understand the potential impact of any configuration or command on your network before using it.
Catalyst 6500 Switch
Note: The following screen captures show the commands that were entered on the Catalyst 6500 switch. Comments between the commands are added in blue italics to eXPlain certain commands and steps.
!-- Set the IP address and default gateway for VLAN 1 for management purposes.
Catalyst6500> (enable) set int sc0 10.10.10.2 255.255.255.0
Interface sc0 IP address and netmask set.
Catalyst6500> (enable) set ip route default 10.10.10.1
Route added.
!-- Set the VTP mode.
!-- In our example, we have set the mode to be transparent. !-- Depending on your network, set the VTP mode accordingly. !-- For details on VTP, refer to Understanding and Configuring VLAN Trunk Protocol (VTP).
Catalyst6500> (enable) set vtp mode transparent
VTP domain modified
!-- Adding VLAN 2. VLAN 1 already exists by default.
Catalyst6500> (enable) set vlan 2
VLAN 2 configuration sUCcessful
!-- Adding port 3/4 to VLAN 2. Port 3/3 is already in VLAN 1 by default.
Catalyst6500> (enable) set vlan 2 3/4
VLAN 2 modified.
VLAN 1 modified.
VLAN Mod/Ports
---- -----------------------
2 3/4
! -- Set the port speed and duplex at 100 and full. One of
!-- the requirements for EtherChannel to work is for speed and duplex to be the same on
!-- both sides. To guarantee this, we will hard code both speed and duplex on ports 3/1 and 3/2.
Catalyst6500> (enable) set port speed 3/1-2 100
Ports 3/1-2 transmission speed set to 100Mbps.
Catalyst6500> (enable) set port duplex 3/1-2 full
Ports 3/1-2 set to full-duplex.
! -- Enable FEC on ports 3/1 and 3/2.
! -- Becuase routers do not understand Port Aggregation Protocol(PAgP),
! -- we set the channel mode to on which causes ports to channel,
! -- but not generate PAgP frames.
Catalyst6500> (enable) set port channel 3/1-2 on
Port(s) 3/1-2 are assigned to admin group 105.
Port(s) 3/1-2 channel mode set to on.
! -- Enable trunking on ports 3/1 and 3/2.
! -- Becuase routers do not understand Dynamic Trunking Protocol(DTP),
! -- we set the trunking mode to nonegotiate which causes ports to trunk,
! -- but not generate DTP frames.
! -- Notice that becuase we configured EtherChannel first,
! -- any trunk settings applied now to one port automatically apply to all other ports in the channel.
! -- Enter the trunking encapsulation as either isl ...
Catalyst6500> (enable) set trunk 3/1 nonegotiate isl Port(s) 3/1-2 trunk mode set to nonegotiate.
Port(s) 3/1-2 trunk type set to isl.
! -- ... or as dot1q.
! -- Make sure the native VLAN(default is VLAN 1) matches across the link.
! -- For more information on the native VLAN and 802.1q trunking, refer to
! -- Trunking Between Catalyst 4000, 5000, and6000 Family Switches Using 802.1q Encapsulation.
Catalyst6500> (enable) set trunk 3/1 nonegotiate dot1q
Port(s) 3/1-2 trunk mode set to nonegotiate.
Port(s) 3/1-2 trunk type set to dot1q.
Catalyst6500> (enable) show config
This command shows non-default configurations only.
Use "show config all" to show both default and non-default configurations.
.........
..................
..
begin
!
# ***** NON-DEFAULT CONFIGURATION *****
!
!
#time: Thu May 2 2002, 01:26:26
!
#version 5.5(14)

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