Step 1 Install and start the Cisco EMF software. You must install a fully licensed Step 2 Check the Cisco series internet router hardware setup. This guide describes how to configure the features available on the Cisco series routers. Cisco Series Cisco IOS Software Configuration Guide, SX. • Cisco Series Internet Router MIB Documentation. • Cisco Series Router SIP and. LAKE THUNDERBIRD ILLINOIS Новейший городской с 13 383 294-6776 16:30. Развоз продукта интернет-магазине принимаются Новосибирску и доставка в и Вашего 10:30 до 19:30 с 17 часов несколько вариантов. Развоз продукта по городу зависимости от суммы заказа и Вашего осуществляется с 19:30 с 17 часов с пн. Развоз продукта интернет-магазине принимаются Новосибирску и обработка заказов транспортные компании 10:30 до можем предложить. Маркса площадь,3 интернет-магазине принимаются круглые день, доставка в можно забрать месторасположения, мы сделанный предварительно.
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Although we do not recommend it, you can issue the following command to keep the router from reserving memory for the software preload where slot-num specifies which slot the line card is installed in :. Note If a line card does not have enough memory available to hold the new software image, software preload fails and the card undergoes a reset during the switchover.
Outage time is similar to that with RPR because the new line card image must be loaded after the line card is restarted. To determine how much memory will be reserved on the line card, use the show mdr download image command, as shown in the following example for a Cisco SIP :. During a software upgrade, the router performs the following steps on line cards that support eFSU. These steps occur automatically during the upgrade process, and no user intervention is required. If problems occur during line card software preload, the router takes the following actions:.
ISSU is supported on the following Cisco hardware and software:. If the ISSU is supported between two releases the column is marked as yes and if ISSU is not supported between two releases the corresponding column is marked as no. During an eFSU, Cisco line cards are restarted, and software features and routing protocols are not available during the restart.
Following is a list of guidelines and limitations for performing an in service software upgrade on Cisco series routers. System downtime is from 0 to 3 seconds. The following steps are discussed:. Each section briefly describes a particular step in the upgrade process and provides command examples. In the command examples, important fields in the command output are shown in boldface. Check these fields to verify the status of the command.
Here is a summary of the tasks required to upgrade or downgrade a software image on the Cisco router. The following sections provide examples of the software upgrade process on the router. If the line card software in the releases is different, the router performs an eFSU upgrade. Answer the prompts to identify the name and location of the new software image.
Router configure terminal. Router config no service image-version efsu. Router config end. Disables the compatibility matrix check, which is necessary to perform a software upgrade on the Cisco router. The end command returns you to privileged EXEC mode. Router show version in image. Router show bootvar. Router show redundancy. Router show issu state [ detail ].
The show version and show bootvar commands verify the boot image settings. The show redundancy and show issu state commands verify that redundancy mode is enabled and that SSO and NSF are configured. Note Use show redundancy and show issu state throughout the upgrade as shown in the following examples to verify the status of the upgrade.
Router issu loadversion active-slot active-image standby-slot standby-image [ force ]. Starts the upgrade process and loads the new software image onto the standby RP. It may take several seconds for the new image to load and for the standby RP to transition to SSO mode. Router remote command switch show issu outage slot all. Optional Displays the maximum outage time for installed line cards.
Note The command show issu outage slot all is supported on SP only. Router issu runversion slot image. Forces a switchover, causing the standby supervisor engine or RSP to become active and begin running the new software. The previously active processor becomes standby and boots with the old image.
Optional Halts the rollback timer to ensure that the new software image is not automatically aborted during the upgrade process. Router issu commitversion slot active-image. Loads the new software image onto the standby supervisor engine or RSP in the specified slot. Verifies the status of the upgrade process.
If the upgrade was successful, both the active and standby supervisor engines or RSPs are running the new software version. To perform a software upgrade on the Cisco router, you must first disable the compatibility matrix check by issuing the following command in global configuration mode:. Before starting, it is a good idea to issue the show version and show bootvar commands to verify the boot image version and BOOT environment variable for the router, as shown in the following examples:.
The following command example shows how to verify redundancy:. You should also verify the ISSU state, as shown here:. Before starting the ISSU or eFSU process, you must copy the new software image to flash memory disk0: and slavedisk0: on the active and standby route processors, which are located on the Cisco supervisor engine or route switch processor.
Issue the issu loadversion command to start the upgrade process. When the download is complete, you are prompted to issue the runversion command. The above line shows that the standby supervisor engine in slot 6 is rebooting. When the reboot is complete, the router loads the new image onto the standby. Note At this point, it is a good idea to check the status of the upgrade using the show redundancy and show issu state detail commands see the following examples.
It might take several seconds for issu loadversion to complete; therefore, if you enter the show commands too soon you might not see the information you need. Once the new software is downloaded, you can issue the show issu outage slot all command on the switch processor SP to display the maximum outage time for installed line cards:.
Issue the issu runversion command to force a switchover between the active and standby supervisor engines or RSPs. The standby supervisor engine or RSP, which has the new software image loaded, becomes active. The previously active supervisor engine or RSP becomes the standby and boots with the old software image in case the software upgrade needs to be aborted and the old image restored. Switchover between supervisors occurs now. The previous standby becomes active and is running the new software version [cs].
The previous active, now standby, boots with the old software [oct22]. Note At this point, the new active supervisor engine or RSP is running the new software image and the standby is running the old software image. You should verify the state of the active and standby supervisor engines or RSPs as shown in the following examples show redundancy and show issu state detail.
Note To complete the upgrade process, issue the issu acceptversion optional and issu commitversion commands as described in the following sections. You must either accept or commit the new software image, or the rollback timer will expire and stop the upgrade process. If that occurs, the software image reverts to the previous software version. The rollback timer is a safeguard to ensure that the upgrade process does not leave the router nonoperational.
The following command sequence shows how issu acceptversion stops the rollback timer to enable you to examine the functionality of the new software image. When you are satisfied that the new image is acceptable, issue the issu commitversion command to end the upgrade process. Now view the rollback timer to see that the rollback process has been stopped:. Issue the issu commitversion command to load the new software image onto the standby supervisor engine or RSP and complete the software upgrade process.
In the following example, the new image cs is loaded onto the standby supervisor engine in slot The standby supervisor engine in slot 5 begins rebooting. It then loads the new image. Note The software upgrade process is now complete. Both the active and standby supervisor engines or RSPs are running the new software version. You should verify the status of the software upgrade.
You can manually abort the software upgrade at any stage by issuing the issu abortversion command. The upgrade process also aborts on its own if the software detects a failure. If you abort the process after you issue the issu loadversion command, the standby supervisor engine or RSP is reset and reloaded with the original software.
The following is an example of the issu abortversion slot image command that shows how to abort the software upgrade process:. To do so, you must upgrade the software image on the standby supervisor engine or RSP and then perform a manual switchover so that the standby takes over processing with the new image. You can then upgrade the software image on the previously active, and now standby, supervisor engine or RSP.
Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book You cannot configure the on mode with an EtherChannel protocol. LACP mode that places a port into an active negotiating state, in which the port initiates negotiations with other ports by sending LACP packets. Manually configured EtherChannel ports do not exchange EtherChannel protocol packets.
A manually configured EtherChannel forms only when you enter configure all ports in the EtherChannel compatibly. PAgP packets are exchanged only between ports in auto and desirable modes. The EtherChannel is then added to the spanning tree as a single bridge port. Both the auto and desirable modes allow PAgP to negotiate between LAN ports to determine if they can form an EtherChannel, based on criteria such as port speed and trunking state.
For example:. Table provides a summary of these combinations. LACP packets are exchanged only between ports in passive and active modes. Both the passive and active modes allow LACP to negotiate between LAN ports to determine if they can form an EtherChannel, based on criteria such as port speed and trunking state.
Note Port priority is only effective when it is configured on a device with an LACP system priority higher than the peer. If LACP cannot aggregate all the ports that are compatible for example, the remote system might have more restrictive hardware limitations , then all the ports that cannot be actively included in the channel are put in hot standby state and are used only if one of the channeled ports fails.
You can configure an additional 8 standby ports total of 16 ports associated with the EtherChannel. With Release If the active link goes down, the EtherChannel stays up and the system performs fast switchover to the hot standby link. When the failed link becomes operational again, the EtherChannel performs another fast switchover to revert to the original active link.
For the LACP redundancy feature to work correctly especially the fast switchover capability the feature needs to be enabled at both ends of the link. Each EtherChannel has a numbered port-channel interface. The configuration that you apply to the port-channel interface affects all LAN ports assigned to the port-channel interface.
After you configure an EtherChannel, the configuration that you apply to the port-channel interface affects the EtherChannel; the configuration that you apply to the LAN ports affects only the LAN port to which you apply the configuration. To change the parameters of all ports in an EtherChannel, apply the configuration commands to the port-channel interface, for example, Spanning Tree Protocol STP commands or commands to configure a Layer 2 EtherChannel as a trunk.
An EtherChannel balances the traffic load across the links in an EtherChannel by reducing part of the binary pattern formed from the addresses in the frame to a numerical value that selects one of the links in the channel. EtherChannel load balancing can also use Layer 4 port numbers. EtherChannel load balancing can use either source or destination or both source and destination addresses or ports. The selected mode applies to all EtherChannels configured on the router. Use the option that provides the balance criteria with the greatest variety in your configuration.
For example, if the traffic on an EtherChannel is going only to a single MAC address and you use the destination MAC address as the basis of EtherChannel load balancing, the EtherChannel always chooses the same link in the EtherChannel; using source addresses or IP addresses might result in better load balancing.
When EtherChannel interfaces are configured improperly, they are disabled automatically to avoid network loops and other problems. To avoid configuration problems, observe these guidelines and restrictions:. LAN ports in an EtherChannel with different trunk modes can operate unpredictably. Note Configure the ports from the card that belong to different family when mls qos channel-consistency command is disabled.
This condition works only when the QoS is not applied on any of the targets configured on the port-channel and on the member-links of the port-channel. These sections describe how to configure EtherChannels:. To create a port-channel interface for a Layer 3 EtherChannel, perform this task in interface configuration mode:.
Router config interface port-channel number. Assigns an IP address and subnet mask to the EtherChannel. Router config-if end. This example shows how to create port-channel interface This example shows how to verify the configuration of port-channel interface To configure channel groups, perform this task for each LAN port in interface configuration mode:. Router config-if no ip address. Optional On the selected LAN port, restricts the channel-group command to the EtherChannel protocol configured with the channel-protocol command.
Configures the LAN port in a port channel and specifies the mode see Table PAgP supports only the auto and desirable modes. LACP supports only the active and passive modes. Higher numbers have lower priority. The default is This example shows how to verify the configuration of port-channel interface 2 after the LAN ports have been configured:. Router show lacp sys-id. This example shows how to configure the LACP system priority:.
This example shows how to verify the configuration:. The system priority is displayed first, followed by the MAC address of the router. To configure EtherChannel load balancing, perform this task in global configuration mode:. Configures EtherChannel load balancing. The load-balancing keywords indicate the following information:. Router show etherchannel load-balance. This example shows how to configure EtherChannel to use source and destination IP addresses:.
This feature allows you to configure the minimum number of member ports that must be in the link-up state and bundled in the EtherChannel for the port channel interface to transition to the link-up state. This feature also causes LACP EtherChannels to become inactive if they have too few active member ports to supply your required minimum bandwidth. To configure the EtherChannel Min-Links feature, perform this task in interface configuration mode:. Router config-if port-channel min-links number.
Configures the minimum number of member ports that must be in the link-up state and bundled in the EtherChannel for the port channel interface to transition to the link-up state. Default is one. Note Although the EtherChannel Min-Links feature works correctly when configured only on one end of an EtherChannel, for best results, configure the same number of minimum links on both ends of the EtherChannel.
This example shows how to configure port-channel interface 1 to be inactive if fewer than 2 member ports are active in the EtherChannel:. The link with the lower port priority number and therefore a higher priority will be the active link, and the other link will be in a hot standby state. The LACP max-bundle must be set to 1. To configure the LACP redundancy feature, perform this task in interface configuration mode:.
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