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This chapter describes how to configure the uplink type and includes the following sections:
•Information About Network Uplink Configurations
•Configuring Network Uplink Types
•Assigning a Native VLAN to a Port Channel
•Shutting Down Ports or Port Channel Interfaces
•Verifying the Uplink Configuration
Cisco Nexus 1010 product family supports two types of network uplink configurations to connect to the network:
•Flexible Network Uplink Configuration
•Static Network Uplink Configuration
Flexible network configuration offers complete flexibility to connect Cisco Nexus 1010 to the network, thus enabling appropriate traffic segregation policies like VSB traffic segregation.
This configuration consists of the following features:
•Complete flexibility in terms of port configuration and usage
•Flexible building of ports into a port channel.
•Flexible assignment of a port or port channel to a VSB interface.
•Easy uplink configuration.
•Ability to achieve maximum uplink.
The default flexible network uplink configuration is the basic configuration with each physical port acting as uplink See Figure 3-1 and includes the following features:
•Every physical port individually forms an uplink.
•Each uplink can be configured independently.
•Ability to achieve maximum uplink of 6Gbps.
•No default redundancy for uplinks.
•Physical ports cannot be bundled in a port channel.
•VSB traffic is segregated by default.
•VSB interface can be manually configured to share a port.
Figure 3-1 Default Flexible Network Uplink Configuration
If the flexible configuration is selected during installation of Cisco Nexus 1010, then the default configuration is used to connect to the network. See the Cisco Nexus 1010 Software Installation and Upgrade Guide, Release 4.2(1)SP1(4) for more information.
You can then make changes to the default flexible network uplink configuration to suit your needs:
•For example, you can add ports to a port channel. See Figure 3-3. See Configuring Port Channels for more information.
•For example, you can assign uplinks to a VSB interface. See Figure 3-2. See Assigning Uplinks to a VSB Interface for more information.
Figure 3-2 Assigning uplinks to flexible network configuration
Figure 3-3 Adding port channels to flexible network configuration
In a static network configuration, the Cisco Nexus 1010 product family is connected to the network using four fixed network uplink configurations.
•In configuration 1, control traffic, management traffic and data traffic share a single uplink.
•In configuration 2, control traffic, and management traffic share an uplink and data traffic is a separate uplink.
•In configuration 3, control traffic, and data traffic share an uplink and management traffic is a separate uplink.
•In configuration 4, control traffic, management traffic and data traffic are all on separate unlinks.
For more information on uplink configurations, see Uplinks.
Follow these guidelines and limitations when configuring the Cisco Nexus 1010:
•A change to the uplink type does not take effect until you reload the software.
•Changing the uplink type is disruptive and leads to service disruption.
•You can change the uplink type only once before issuing a reboot.
•Use Table 3-1 when modifying the network uplink type.
This section includes the following topics:
•Migrating from Static Network Uplink to Flexible Network Uplink
•Migrating From Flexible Network Uplink to Static Network Uplink
•Assigning Uplinks to a VSB Interface
Use this procedure to modify the uplink type on an operational Cisco Nexus 1010.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•You must reload the Cisco Nexus 1010 pair in order to activate the changes made in this procedure. This procedure includes a step for reloading.
•The following are supported uplink types and the ports that carry each type of VLAN traffic.
•For a description of each uplink, see the "Uplinks" section.
1. config terminal
2. network uplink type number
3. show network-uplink type
4. copy running-config startup-config
5. reload
Use this procedure to migrate from static network uplink type to flexible network uplink type.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•By default, the control and management traffic are assigned to Ethernet1.
•After you change the uplink type from static to flexible, you can configure the port channel and assign uplink assignment to a VSB manually.
•You must reload the Cisco Nexus 1010 pair in order to activate the changes made in this procedure.
•Changing the uplink type from static to flexible is disruptive and leads to service disruption. After you change the uplink type from static to flexible, you must save the configuration and reload for new configuration to take into effect.
•When you change the uplink type from static to flexible, all the port channel, native VLAN, and port state configuration and retained in the flexible network type.
1. config terminal
2. network uplink type number
3. network uplink type keyword
4. (optional) svs-domain
5. (optional) control uplink interface name
6. (optional) management uplink interface name
7. copy running-config startup-config
8. reload
9. show network-uplink type
Use this procedure to migrate from flexible network uplink to static network uplink.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•This procedure is disruptive since both the active and standby should be reloaded together.
•You must reload the Cisco Nexus 1010 pair in order to activate the changes made in this procedure. This procedure includes a step for reloading.
•The following are supported uplink types and the ports that carry each type of VLAN traffic.
For a description of each uplink, see the "Uplinks" section.
•When you migrate from flexible network uplink type to static network uplink type, all the port channel, native VLAN, and port state configuration are lost.
•You must ensure that the uplink connectivity should be same as what is required for that static network uplink type.
•If the system is not configured in required uplink type, then shutdown the system from ILO after saving the configuration for both active and standby and then reload.
1. config terminal
2. network uplink type number
3. show network-uplink type
4. copy running-config startup-config
5. reload
Use this procedure to configure the port channels in the Cisco Nexus 1010. You can configure the port channels only in the flexible network uplink type configuration.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•You must group the ports together in either HA or LACP mode.
•You must ensure that the ports are not used by any other port channel or by any VSB interface. To delete a port see Deleting Port Channels.
•An ethernet interface with conflicting native VLAN cannot be part of an existing port channel
1. config terminal
2. [no] interface name
3. interface ethernet name
4. channel-group id mode {ha | active}
5. show network port-channel summary
Use this procedure to delete port channels. You must delete ports from the port channel and then delete the port channel.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•You must shut the VSBs using the port or the port channel containing the port.
1. config t
2. interface ethernet name
3. no channel-group
Use this procedure to assign uplinks to a VSB interface. You can assign uplinks to a VSB interface only in the flexible network uplink type configuration.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•By default, uplinks are assigned to the first available free port or port channel.
•If both free ports and port channels are available, then free ports get preference over port channel.
•If no free ports are available, then you must assign the uplink manually.
•A VSB can have different uplinks for every port or port channel.
1. config t
2. virtual-service-blade name
3. interface name
4. [no] interface name uplink name
5. show network {[uplink] | summary}
Use this procedure to configure a native VLAN corresponding to an Ethernet interface. This procedure is applicable to both static and flexible network uplink type. Native VLAN changes can take effect immediately except for cases which involve Cisco Nexus 1010 VLANs and interfaces
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
•You cannot assign native VLAN to an Ethernet interface which is a part of a port channel
•You can add an Ethernet interface to a port channel only if the Ethernet interface and the port channel have the same native VLAN configuration.
•After you configure the native VLANs in Cisco Nexus 1010, you must also configure all the upstream switches with the same native VLAN.
•When you modify the control or management native VLAN uplink configuration, you must first save the configuration and then shutdown Cisco Nexus 1010 from ILO . Now you can change native VLAN configuration on the uplink switch and then restart the Cisco Nexus 1010.
•When you change the network uplink configuration from flexible to static, all the ports and port channels will loose their native VLAN configuration.
•When you delete an Ethernet interface from a port channel, its retains the native VLAN configuration.
1. config terminal
2. interface name
3. native vlan id
4. show network summary
Use this procedure to shut down ports or port channels to shut traffic for certain VSBs.
Before beginning this procedure, you must know or do the following:
•You are logged in to the CLI in EXEC mode.
1. config terminal
2. interface name
3. [no] shutdown [ primary | secondary]
4. show network summary
5. (optional) show network port-channel summary
To verify the uplink configuration, use the following commands:
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show network-uplink type |
Displays information about network uplinks, such as addresses, duplex settings, and traffic. See Example 3-1 |
show network |
Displays information about the network. See Example 3-2 |
show network cdp neighbors |
Display uplink connectivity for the active or standby Cisco Nexus 1010. See Example 3-3 |
show network counters |
Displays statistical information about the network. |
show network summary |
Displays summary information about the network. |
show network port-channel summary |
Displays summary information port channels in the network. |
show network uplink |
Displays information about network uplinks. |
Example 3-1 Network Uplink Type
This example shows how to display the uplink configuration:
switch# show network uplink type
Administrative topology id: 2
Operational topology id: 1
switch#
Example 3-2 Network
This example shows how to display information about the network:
switch# show network
GigabitEthernet5 is down (not connected)
Hardware: Ethernet, address: 0010.18a5.c524 (bia 0010.18a5.c524)
MTU 9000 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
full-duplex, 1000 Mb/s
Auto-Negotiation is turned on
0 packets input, 0 bytes
0 multicast frames, 0 compressed
0 input errors, 0 frame, 0 overrun, 0 fifo
0 packets output, 0 bytes
0 underrun, 0 output errors, 0 collisions
0 fifo, 0 carrier errors
GigabitEthernet6 is down (Administratively down)
Hardware: Ethernet, address: 0010.18a5.c526 (bia 0010.18a5.c526)
MTU 9000 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
full-duplex, 1000 Mb/s
Auto-Negotiation is turned on
0 packets input, 0 bytes
0 multicast frames, 0 compressed
0 input errors, 0 frame, 0 overrun, 0 fifo
0 packets output, 0 bytes
0 underrun, 0 output errors, 0 collisions
0 fifo, 0 carrier errors
Example 3-3 Network cdp neighbors
This example shows how to display uplink connectivity for Cisco Nexus 1010:
switch# show network cdp neighbors
Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge
S - Switch, H - Host, I - IGMP, r - Repeater,
V - VoIP-Phone, D - Remotely-Managed-Device,
s - Supports-STP-Dispute
Device-ID Local Intrfce Hldtme Capability Platform Port ID
sfish-cat3k-K5-stack2 GigabitEthernet1 173 S I cisco WS-C375 GigabitEthernet1/0/45
sfish-cat3k-K5-stack1 GigabitEthernet2 133 S I cisco WS-C375 GigabitEthernet1/0/45
sfish-cat3k-K5-stack2 GigabitEthernet3 173 S I cisco WS-C375 GigabitEthernet1/0/46
sfish-cat3k-K5-stack1 GigabitEthernet4 133 S I cisco WS-C375 GigabitEthernet1/0/46
Example 3-4 Network Counters
This example shows how to display statistical information about the network:
switch# show network counters
-----------------------------------------------------------------------
Port InOctets InUcastPkts InMcastPkts
-----------------------------------------------------------------------
GigabitEthernet1 146344975 1163124 105444
GigabitEthernet2 128022491 1110953 280235
GigabitEthernet3 28839731 209796 11722
GigabitEthernet4 107951630 907268 269112
GigabitEthernet5 0 0 0
GigabitEthernet6 0 0 0
PortChannel1 274367466 2274077 385679
VsbEthernet1/1 17208966 81687 0
VsbEthernet1/2 230213 2011 0
VsbEthernet1/3 0 0 0
-----------------------------------------------------------------------
Port OutOctets OutUcastPkts OutMcastPkts
-----------------------------------------------------------------------
GigabitEthernet1 73351536 339419 105444
GigabitEthernet2 34200 200 280235
GigabitEthernet3 48242 405 11722
GigabitEthernet4 35492 206 269112
GigabitEthernet5 0 0 0
GigabitEthernet6 0 0 0
PortChannel1 73385736 339619 385679
VsbEthernet1/1 36137879 158796 0
VsbEthernet1/2 35632175 415746 0
VsbEthernet1/3 41904366 148529 0
Example 3-5 Network Summary
This example shows how to display summary information about the network
switch# show network summary
-----------------------------------------------------------------------------
Port State Uplink-Interface Speed RefCnt MTU Nat-Vlan
Oper Admin Oper Admin Oper Admin
------------------------------------------------------------------------------
Gi1 up up 1000 0 9000
Gi2 up up 1000 0 9000
Gi3 up up 1000 3 9000
Gi4 down up 1000 0 9000
Gi5 down up 1000 0 9000
Gi6 down up 1000 0 9000
Po1 up up 1000 13 9000
VsbEth6/1 up up Gi3 Gi3 1000 9000
VsbEth6/2 up up Gi3 Gi3 1000 9000
VsbEth6/3 up up Gi3 Gi3 1000 9000
control0 up up Po1 Po1 1000 9000
mgmt0 up up Po1 Po1 1000 9000
Example 3-6 Network Port Channel Summary
This example shows how to display information about the port channels in a network.
switch# show network port-channel summary
-------------------------------------------------------------------------
Group Port-Channel Adm-State Type Member-Ports
-------------------------------------------------------------------------
1 PortChannel1 up ha Gi1 Gi2
Example 3-7 Network Uplinks
This example shows how to display information about network uplinks:
switch# show network
GigabitEthernet5 is down (not connected)
Hardware: Ethernet, address: 0010.18a5.c524 (bia 0010.18a5.c524)
MTU 9000 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
full-duplex, 1000 Mb/s
Auto-Negotiation is turned on
0 packets input, 0 bytes
0 multicast frames, 0 compressed
0 input errors, 0 frame, 0 overrun, 0 fifo
0 packets output, 0 bytes
0 underrun, 0 output errors, 0 collisions
0 fifo, 0 carrier errors
GigabitEthernet6 is down (Administratively down)
Hardware: Ethernet, address: 0010.18a5.c526 (bia 0010.18a5.c526)
MTU 9000 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
full-duplex, 1000 Mb/s
Auto-Negotiation is turned on
0 packets input, 0 bytes
0 multicast frames, 0 compressed
0 input errors, 0 frame, 0 overrun, 0 fifo
0 packets output, 0 bytes
0 underrun, 0 output errors, 0 collisions
0 fifo, 0 carrier errors
For additional information related to implementing system-level HA features, see the following sections:
•MIBs
•RFCs
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No new or modified standards are supported by this feature, and support for existing standards has not been modified by this feature. |
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No MIBs are supported by this feature |
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No RFCs are supported by this feature |
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This section provides the uplink feature release history.
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Flexible Network Uplink |
4.0(4)SP1(4) |
This feature was introduced. |
Uplink |
4.0(4)SP1(1) |
This feature was introduced. |