Cisco WS-C2980G Support Question
Cisco WS-C2980G Support Question
Find answers below for this question about Cisco WS-C2980G.Need a Cisco WS-C2980G manual? We have 1 online manual for this item!
Question posted by pclh14 on December 6th, 2014
With C4000-5-4-2 Is It Possible To Configure Lacp On Ports ?
I haven't found the commands in the software guide, so maybe only PAgP can be used
Current Answers
Answer #1: Posted by TommyKervz on December 9th, 2014 3:36 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
Related Cisco WS-C2980G Manual Pages
Software Guide - Page 5
... Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel Configuration Guidelines and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP 6-6 Creating an...
Software Guide - Page 67
... (GBIC) and 12 oversubscribed ports (possible blocking).
78-15486-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-3
The following modules are set inconsistently (port negotiation enabled on one port and disabled on Gigabit Ethernet ports using the set port speed command. Gigabit Ethernet port negotiation is not supported...
Software Guide - Page 76
... 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2
78-15486-01 LACP, which ports you can consist of channels is hardware dependent. For more information, see the "Understanding the PAgP" section on PAgP and LACP EtherChannel ports.
PAgP and LACP
Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel
EtherChannel Overview
Fast...
Software Guide - Page 77
... EtherChannel.
• PAgP and LACP manage channels differently. This discrepancy exists because the port is physically connected but still functions as they are otherwise compatibly configured. A syslog message is up or down . the ports do not display the channel. If you disable a port in an EtherChannel, it is treated as "not connected" using the show port command to see...
Software Guide - Page 78
... not form with different VLAN costs or VLAN configurations cannot form a channel. Note With software release 6.3(1) and later releases, a PAgP-configured EtherChannel is used .
Do not enable the port security feature for ports in an EtherChannel. • An EtherChannel will not form if one port (this does not apply to LACP-configured EtherChannels). If the allowed range of VLANs is...
Software Guide - Page 79
...-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-5 The port is not channeling regardless of how the peer port is configured. Use this keyword with other traffic. No channel is not transmitting packets. A channel is assumed. Use this keyword with another port group in the channel.
In addition, outbound broadcast and...
Software Guide - Page 91
...Switches Software Configuration Guide-Release 8.1
6-17 Configuration constraints that places a port into a passive negotiating state in which the port responds to form the system ID and is also used during negotiation with other ports:
- An administrative key is no global significance to -point or shared medium
-
LACP mode that you may configure four ports in a channel using LACP active...
Software Guide - Page 94
... on | off | active | passive]
6-20
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1
78-15486-01 Console> (enable)
This example shows how to assign ports 4/4 to admin key 96.
Configuring EtherChannel Using LACP
Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel
You can specify an administrative key value to a set...
Software Guide - Page 95
... Cost" section on .
Specifying the Channel VLAN Cost
You can specify the channel path cost by using a global command that configures both LACP and PAgP.
The administrative key for information. Console> (enable)
Use the show lacp-channel traffic ChanId Port Rx-Ucst Tx-Ucst Rx-Mcst Tx-Mcst Rx-Bcst Tx-Bcst
808 2/16 0.00% 0.00% 50.00...
Software Guide - Page 121
... 2980G Switches Software Configuration Guide-Release 8.1
7-25 Command set spantree portpri mod_num/port_num priority show spantree mod/port
This example shows how to configure the port VLAN priority on a port and verify the configuration:
Console> (enable) set spantree portcost 2/3 12
Spantree port 2/3 path cost set spantree portcost {mod/port} cost show spantree mod/port
This example...
Software Guide - Page 123
... Spanning Tree
Using PVST+
To configure the port VLAN cost for a port, perform this task in privileged mode:
Step 1 Step 2
Task
Command
Configure the port VLAN priority for a trunking port in PVST+ mode, you can set the port priority for a VLAN on a switch port.
Port 2/3 vlans 1-5,7-800,802-1004,1006-4094 using portpri 4. This parameter applies to configure the port VLAN cost...
Software Guide - Page 128
... Switches Software Configuration Guide-Release 8.1
78-15486-01
Command set spantree priority bridge_ID_priority [mistp-instance instance]
show spantree mistp-instance instance [mod/port] active
The example shows how to configure the bridge ID ...50-3e-78-70-00 -
16 00-50-3e-78-70-00 -
You can set 16 possible bridge priority values: 0, 4096, 8192, 12,288, 16,384, 20,480, 24,576, 28,672...
Software Guide - Page 129
... configure the port cost on an MISTP instance and verify the configuration:
Console> (enable) set spantree portcost 1/1 20000
Spantree port 1/1 path cost set to use ports with lower port costs. Command...sec
Bridge ID MAC ADDR
00-d0-02-27-9c-00
78-15486-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1
7-33 To configure the port ...
Software Guide - Page 130
...27-9c-00 32769 (bridge priority:32768, sys ID ext:1) 1,74
7-34
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1
78-15486-01 The possible port priority value is 32. To configure the port priority for a port, perform this task in privileged mode:
Step 1 Step 2
Task Configure the port priority for all ports have the same priority value...
Software Guide - Page 131
... priority on an MISTP instance, perform this task in privileged mode:
Task
Configure the port instance priority on a switch port. Command
set spantree portinstancepri {mod/port} priority [instances]
78-15486-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1
7-35 If all ports have the same priority value for an MISTP instance, the...
Software Guide - Page 146
... mod/port]
The example shows how to configure the bridge ID priority for an MST instance:
Console> (enable) set spantree priority 8192 mst 3 MST Spantree 3 bridge priority set 16 possible bridge priority ...Software Configuration Guide-Release 8.1
78-15486-01 Console> (enable)
Configuring the MST Bridge ID Priority
You can set to create the bridge ID priority. The switch combines the bridge...
Software Guide - Page 147
... differs for a switch port. The possible range is typically 1000 ÷ LAN speed in privileged mode:
Step 1 Step 2
Task Configure the MST port cost for different media. Command set spantree portcost mod/port cost [mst] show spantree mst [instance | mod/port]
This example shows how to configure the port cost on an MST instance and verify the configuration:
Console> (enable...
Software Guide - Page 148
... 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1
78-15486-01 The possible port priority value is 32. Verify the port priority setting. Configuring MST
Chapter 7 Configuring Spanning Tree
Configuring the MST Port Priority
You can configure the port instance cost for an instance of ports. To configure the port priority for a port, perform this task in...
Software Guide - Page 233
... hardware capabilities of the two connected ports determine whether a trunk link comes up and the type of the possible trunking configurations. Chapter 11 Configuring VLAN Trunks on a link to a Cisco router, use the show port capabilities command.
78-15486-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1
11-3 Table 11-3 shows the...
Software Guide - Page 247
... disabled disabled disabled disabled disabled disabled
Fast-Start ---------- Port 1/2 vlans 40,50,60 using portpri 1. Switch_2> (enable)
Step 13
When you have configured the port-VLAN priorities on Fast Ethernet and Gigabit Ethernet Ports
Example VLAN Trunk Configurations
Port 1/1 vlans 10,20 using portpri 32.
Chapter 11 Configuring VLAN Trunks on both ends of the link, the...
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