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Configuring Ethernet and Fast Ethernet Software
This chapter describes the procedures used to configure the Fast Ethernet ports on the supervisor engine module, the Fast Ethernet switching module, and the Ethernet switching module using the command line interface.
The features you can customize have default values that will most likely suit your environment and probably need not be changed. The default values of these features are set as follows:
As the default configuration, all Ethernet and Fast Ethernet ports are enabled. To configure these ports, complete the tasks in the following sections:
Refer to the end of this chapter for switch configuration examples.
Assign a name to each port. To set a port name, perform the following tasks in privileged mode:
| Task | Command |
|---|---|
| Configure a name for a port. Figure 4-1 shows an example of the set port name command. | set port name mod_num/port_num [name_string] |
| Verify that the port name is correct. Figure 4-2 shows a sample display of the show port command. Port names are listed in the Name column. | show port mod_num/port_num |
Figure 4-1 : set port name Command Example
Console> (enable) set port name 1/1 Router Connection
Port 1/1 name set.
Console> (enable) set port name 1/2 Server 1
Port 1/2 name set.
show port Command Display Sample
Console> (enable) show port
Port Name Status Vlan Level Duplex Speed Type
---- -------------------- -------- -------- ------ ------ ----- -------
1/1 Router Connection ready 2 high half 100 100BaseTX
1/2 Server 1 ready 1 high half 100 100BaseTX
2/1 ready 10 normal half 10 10BaseT
2/2 disabled 10 normal half 10 10BaseT
2/3 connect 10 normal half 10 10BaseT
2/4 connect 10 normal half 10 10BaseT
.
.
.
2/23 0 0 0 0 0 0
2/24 0 0 0 0 0 0
Port Align-Err FCS-Err Xmit-Err Rcv-Err
---- ---------- ---------- ---------- ----------
1/1 0 0 0 0
1/2 1 0 0 0
2/1 0 0 0 0
2/2 0 0 0 0
2/3 0 0 0 0
2/4 30 0 0 0
2/5 0 0 0 0
2/6 0 0 0 0
2/7 0 0 0 0
2/8 0 0 0 0
2/9 0 0 0 0
2/10 0 0 0 0
2/11 0 0 0 0
2/12 0 0 0 0
Port Single-Col Multi-Coll Late-Coll Excess-Col Carri-Sens Giants
---- ---------- ---------- ---------- ---------- ---------- ----------
1/1 0 0 0 0 0 0
1/2 680 418 0 1 0 -
2/1 756 99 0 0 0 0
2/2 0 0 0 0 0 0
2/3 0 0 0 0 0 0
2/4 409 403 0 11 0 1256
2/5 0 0 0 0 0 0
2/6 0 0 0 0 0 0
2/7 0 0 0 0 0 0
2/8 0 0 0 0 0 0
2/9 0 0 0 0 0 0
2/10 0 0 0 0 0 0
2/11 0 0 0 0 0 0
2/12 0 0 0 0 0 0
Last-Time-Cleared
--------------------------
Thu Jun 8 1995, 07:58:06
Console> (enable)
Setting the Port Priority Level
| Task | Command |
|---|---|
| Configure the priority level for each port. Figure 4-3 shows an example of the set port level command. | set port level mod_num/port_num normal | high |
| Verify that the port priority level is correct. Figure 4-2 shows a sample display of the show port command. Port priority levels are listed in the Level column. | show port mod_num/port_num |
Figure 4-3 : set port level Command Example
Console> (enable) set port level 1/1 high
Port 1/1 level set to high.
Console> (enable) set port level 1/2 high
Port 1/2 level set to high.
Setting the Port Speed
Configure the port speed for 10/100BaseTX ports on the 10/100 Mbps Fast Ethernet Switching module if desired. To set the port speed for a port, perform the following steps in privileged mode.
| Task | Command |
|---|---|
| Set the port speed of a port. Figure 4-4 shows an example of the set port speed command. | set port speed mod num/port num [10 | 100 | auto] |
| Verify that the port speed has been set correctly. Figure 4-2 shows a sample display of the show port command. | show port mod_num/port_num |
Figure 4-4 : set port speed Command Example
Console> (enable) set port speed
Usage: set port speed <mod_num/port_num> <10|100|auto>
Console> (enable) set port speed 2/1 auto
Port 2/1 speed set to auto-sensing mode.
Console> (enable) set port speed 2/2 10
Port 2/2 speed set to 10 Mbps.
Console> (enable) set port speed 2/3 100
Port 2/3 speed set to 100 Mbps.
Figure 4-5 :
show port Command Example
Console> show port 4
a = auto-detect of speed
Port Name Status Vlan Level Duplex Speed Type
---- -------------------- -------- ---------- ------ ------ ----- ------------
4/1 FDDI A standby 1 half 100 FDDI
4/2 FDDI B connect 1 half 100 FDDI
Ler
Port CE-State Conn-State Type Neig Con Est Alm Cut Lem-Ct Lem-Rej-Ct Tl-Min
---- -------- ---------- ---- ---- --------------- ---------- ---------- ------
4/1 isolated standby A U yes 9 8 7 0 0 61
4/2 isolated active B U yes 9 8 7 0 0 1340000
Last-Time-Cleared
----------------------------
Tues Aug 22 1995, 18:28:51
Console>
Setting the Port Transmission Type
Set the transmission type to full or half duplex for the ports that will be used. To set the transmission type of a port, perform the following steps in privileged mode:
| Task | Command |
|---|---|
| Set the transmission type of a port. Figure 4-6 shows an example of the set port duplex command. | set port duplex mod num/port num full | half |
| Verify that the transmission type has been set correctly. Figure 4-2 shows a sample display of the show port command. The transmission type is listed in the Duplex column. | show port mod_num/port_num |
Figure 4-6 : set port duplex Command Example
Console> (enable) set port duplex 2/1 half
Port 2/1 set to half-duplex.
Console> (enable) set port duplex 2/2 half
Port 2/2 set to half-duplex.
Single Switch Configuration Example
A simple Catalyst 5000 series switch configuration example is shown in Figure 4-7. The configuration illustrates a case that includes the following elements:
For simplicity, this example shows all devices on each module as either full duplex or half duplex; however, each port on each module can be independently configured for either full- or half-duplex operation. Also, this example shows a direct correlation between port speed and traffic priority, although the two parameters are completely independent of one another. All ports are in VLAN 1 as a default setting, so no customization is necessary for the ports.
Figure 4-7 : Single Catalyst 5000 Series Switch Configuration
The following example illustrates how to establish the port name for the Catalyst 5000 series switch provided in the single switch configuration example and shown in Figure 4-7:
system1 (enable) set port name 1/1 Router Connection Port 1/1 name set. system1 (enable) set port name 1/2 Server 1 Port 1/2 name set. system1 (enable) set port name 2/1 Server 2 Port 2/1 name set. system1 (enable) set port name 2/2 Server 3 Port 2/2 name set. . . . system1 (enable) set port name 2/12 Server 13 Port 2/12 name set. system1 (enable) set port name 3/1 Nodename 1 Port 3/1 name set. system1 (enable) set port name 3/1 Nodename 2 Port 3/2 name set. system1 (enable) set port name 3/1 Nodename 3 Port 3/3 name set. . . . system1 (enable) set port name 3/12 Nodename 12 Port 3/12 name set. system1 (enable) set port name 4/1 Nodename 13 Port 4/1 name set. system1 (enable) set port name 4/2 Nodename 14 Port 4/2 name set. system1 (enable) set port name 4/3 Nodename 15 Port 4/3 name set. . . . system1 (enable) set port name 4/24 Nodename 36 Port 4/24 name set. system1 (enable) set port name 5/1 Nodename 37 Port 5/1 name set. system1 (enable) set port name 5/2 Nodename 38 Port 5/2 name set. system1 (enable) set port name 5/3 Nodename 39 Port 5/3 name set. . . . system1 (enable) set port name 5/24 Nodename 60 Port 5/24 name setPort Priority Level Example
The following example illustrates how to establish the port priority level for the Catalyst 5000 series switch provided in the single switch configuration example and shown in Figure 4-7:
system1 (enable) set port level 1/1 high Port 1/1 level set to high. system1 (enable) set port level 1/2 high Port 1/2 level set to high. system1 (enable) set port level 2/1 high Port 2/1 level set to high. system1 (enable) set port level 2/2 high Port 2/2 level set to high. system1 (enable) set port level 2/3 high Port 2/3 level set to high. . . . system1 (enable) set port level 2/12 high Port 2/12 level set to high. system1 (enable) set port level 3/1 normal Port 3/1 level set to normal. system1 (enable) set port level 3/2 normal Port 3/2 level set to normal. system1 (enable) set port level 3/3 normal Port 3/3 level set to normal. . . . system1 (enable) set port level 3/12 normal Port 3/12 level set to normal. system1 (enable) set port level 4/1 normal Port 4/1 level set to normal. system1 (enable) set port level 4/2 normal Port 4/2 level set to normal. system1 (enable) set port level 4/3 normal Port 4/3 level set to normal. . . . system1 (enable) set port level 4/24 normal Port 4/24 level set to normal. system1 (enable) set port level 5/1 normal Port 5/1 level set to normal. system1 (enable) set port level 5/2 normal Port 5/2 level set to normal. system1 (enable) set port level 5/3 normal Port 5/3 level set to normal. . . . system1 (enable) set port level 5/24 normal Port 5/24 level set to normal.Port Transmission Type Example
The following example illustrates how to set the port transmission type (half or full duplex) for the Catalyst 5000 series switch provided in the single switch configuration example and shown in Figure 4-7:
system1 (enable) set port duplex 1/1 full Port 1/1 set to full-duplex. system1 (enable) set port duplex 1/2 full Port 1/2 set to full-duplex. system1 (enable) set port duplex 3/1 half Port 3/1 set to half-duplex. system1 (enable) set port duplex 3/2 half Port 3/2 set to half-duplex. system1 (enable) set port duplex 3/3 half Port 3/3 set to half-duplex. . . . system1 (enable) set port duplex 3/12 half Port 3/12 set to half-duplex. system1 (enable) set port duplex 4/1 full Port 4/1 set to half-duplex. system1 (enable) set port duplex 4/2 full Port 4/2 set to half-duplex. system1 (enable) set port duplex 4/3 full Port 4/3 set to half-duplex. . . . system1 (enable) set port duplex 4/24 full Port 4/24 set to half-duplex. system1 (enable) set port duplex 5/1 half Port 5/1 set to half-duplex. system1 (enable) set port duplex 5/2 half Port 5/2 set to half-duplex. system1 (enable) set port duplex 5/3 half Port 5/3 set to half-duplex. . . . system1 (enable) set port duplex 5/24 half Port 5/24 set to half-duplex.Multiple Switch VLAN Configuration Example
VLAN groups can be set up across multiple Catalyst 5000 series switches if the switches have any two ports of the same VLAN connected, as shown in the example in Figure 4-8.
Figure 4-8 : Multiple Catalyst 5000 VLAN Configuration
The trunks and VLANs for the Catalyst 5000 series switch 1 on the first floor were configured as follows:
System1> (enable) set vtp domain abc
VTP: domain abc modified
System1> (enable) set vlan 10
VTP: vlan addition successful
System1> (enable) set vlan 10 2/1-4
VLAN 10 modified.
VLAN 1 modified.
VLAN Mod/Ports
---- -----------------------
10 2/1-4
System1> (enable) set vlan 20
VTP: vlan addition successful
System1> (enable) set vlan 20 2/5-24
VLAN 20 modified.
VLAN 1 modified.
VLAN Mod/Ports
---- -----------------------
20 2/5-24
System1> (enable) set trunk 1/2 on
Port 1/2 mode set to on.
System1> (enable)
Mon May 6 1996, 18:22:07 Port 1/2 has become trunk.
System1> (enable) show trunk
Port Mode Status
------- --------- ------------
1/1 auto not-trunking
1/2 on trunking
4/1-2 off not-trunking
Port Vlans allowed
------- --------------------------------------------------------------
1/1 1-1000
1/2 1-1000
4/1-2 1-1000
Port Vlans active
------- --------------------------------------------------------------
1/1 1
1/2 1,10,20
4/1-2 1
System1> (enable) show port
Port Name Status Vlan Level Duplex Speed Type
---- -------------- ---------- ---------- ------ ------ ----- -----------
1/1 notconnect 1 normal half 100 100BaseTX
1/2 connected trunk normal half 100 100BaseTX
2/1 notconnect 10 normal half 10 10BaseT
2/2 notconnect 10 normal half 10 10BaseT
2/3 notconnect 10 normal half 10 10BaseT
2/4 connected 10 normal half 10 10BaseT
2/5 notconnect 20 normal half 10 10BaseT
2/6 notconnect 20 normal half 10 10BaseT
.
.
.
2/23 notconnect 20 normal half 10 10BaseT
2/24 notconnect 20 normal half 10 10BaseT
4/1 notconnect 1 normal half 100 FDDI
4/2 notconnect 1 normal half 100 FDDI
Port Align-Err FCS-Err Xmit-Err Rcv-Err
---- ---------- ---------- ---------- ----------
1/1 0 0 0 0
1/2 0 0 0 0
2/1 0 0 0 0
2/2 0 0 0 0
2/3 0 0 0 0
2/4 0 0 0 0
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.
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2/22 0 0 0 0
2/23 0 0 0 0
2/24 0 0 0 0
Port Single-Col Multi-Coll Late-Coll Excess-Col Carri-Sens Runts Giants
---- ---------- ---------- --------- ---------- ---------- ----- -------
1/1 0 0 0 0 0 0 -
1/2 0 0 0 0 0 0 -
2/1 0 0 0 0 0 0 0
2/2 0 0 0 0 0 0 0
2/3 0 0 0 0 0 0 0
2/4 0 0 0 0 0 0 0
.
.
.
2/22 0 0 0 0 0 0 0
2/23 0 0 0 0 0 0 0
2/24 0 0 0 0 0 0 0
Ler
Port CE-State ConnState Type Neig Con Est Alm Cut Lem-Ct Lem-Rej-Ct Tl-Min
---- -------- --------- ---- ---- --------------- ------- --------- ------
4/1 isolated disabled A U no 9 8 7 0 0 40
4/2 isolated disabled B U no 9 8 7 0 0 40
Last-Time-Cleared
--------------------------
Mon May 6 1996, 17:59:45
The trunks and VLANs for the Catalyst 5000 series switch 2 on the second floor were configured as follows. Switch 2 is automatically configured with a trunk when the trunk is set on switch 1. Switch 2 learns about the VLANs set on switch 1 using VTP.
System2> (enable) Mon May 6 1996, 16:35:47 Port 1/2 has become trunk. System2> (enable) show trunk Port Mode Status ------- --------- ------------ 1/1 auto not-trunking 1/2 auto trunking Port Vlans allowed ------- -------------------------------------------------------------- 1/1 1-1000 1/2 1-1000 Port Vlans active ------- -------------------------------------------------------------- 1/1 1 1/2 1,10,20 System2> (enable) show port Port Name Status Vlan Level Duplex Speed Type ---- ------------ ---------- ---------- ------ ------ ----- ----------- 1/1 notconnect 1 normal half 100 100BaseTX 1/2 connected trunk normal half 100 100BaseTX 2/1 notconnect 10 normal half 10 10BaseT 2/2 notconnect 10 normal half 10 10BaseT 2/3 notconnect 10 normal half 10 10BaseT 2/4 connected 10 normal half 10 10BaseT . . . 2/21 notconnect 20 normal half 10 10BaseT 2/22 notconnect 20 normal half 10 10BaseT 2/23 notconnect 20 normal half 10 10BaseT 2/24 notconnect 20 normal half 10 10BaseT Port Align-Err FCS-Err Xmit-Err Rcv-Err ---- ---------- --------- ---------- ---------- 1/1 0 0 0 0 1/2 0 0 0 0 2/1 0 0 0 0 2/2 0 0 0 0 2/3 0 0 0 0 2/4 0 0 0 0 . . . 2/19 0 0 0 0 0 0 0 2/20 0 0 0 0 0 0 0 2/21 0 0 0 0 0 0 0 2/22 0 0 0 0 0 0 0 2/23 0 0 0 0 0 0 0 2/24 0 0 0 0 0 0 0 Last-Time-Cleared -------------------------- Mon May 6 1996, 16:04:07 System2> (enable) show port Port Name Status Vlan Level Duplex Speed Type ---- ------------ ---------- ---------- ------ ------ ----- ----------- 1/1 notconnect 1 normal half 100 100BaseTX 1/2 connected trunk normal half 100 100BaseTX 2/1 notconnect 10 normal half 10 10BaseT 2/2 notconnect 10 normal half 10 10BaseT 2/3 notconnect 10 normal half 10 10BaseT 2/4 connected 10 normal half 10 10BaseT . . . 2/21 notconnect 20 normal half 10 10BaseT 2/22 notconnect 20 normal half 10 10BaseT 2/23 notconnect 20 normal half 10 10BaseT 2/24 notconnect 20 normal half 10 10BaseT Port Align-Err FCS-Err Xmit-Err Rcv-Err ---- ---------- --------- ---------- ---------- 1/1 0 0 0 0 1/2 0 0 0 0 2/1 0 0 0 0 2/2 0 0 0 0 2/3 0 0 0 0 2/4 0 0 0 0 . . . 2/19 0 0 0 0 0 0 0 2/20 0 0 0 0 0 0 0 2/21 0 0 0 0 0 0 0 2/22 0 0 0 0 0 0 0 2/23 0 0 0 0 0 0 0 2/24 0 0 0 0 0 0 0 Last-Time-Cleared -------------------------- Mon May 6 1996, 16:04:07
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