Configure common or device-specific network settings for Cisco SD-WAN Control Components.
You can configure common settings or device specific settings for the Cisco SD-WAN Control Components.
Some settings like Banner, Logging and SNMP are disabled by default. You can enable them and then configure the settings.
Procedure
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Configure common control component network settings
Alternatively, from Cisco SD-WAN Manager menu, choose Configuration > Devices > Control Components and then click Common control components settings .
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Configure the following parameters:
- Configure NTP
Table 1. NTP Field
Description
Hostname/IP address
Enter the IP address or FQDN of an NTP server.
VPN ID
Select the VPN that should be used to reach the NTP server, or the VPN in which the NTP server is located. If you have configured multiple NTP servers, they must all be located or be reachable in the same VPN.
Prefer
Enable if multiple NTP servers are at the same stratum level and you want one to be preferred. For servers at different stratum levels, the software chooses the one at the highest stratum level. - Configure AAA.
Table 2. AAA Field
Description
Authentication order
From the drop-list choose the authentication order from local,radius, and tacacs.
Cisco TAC enable
For any Cisco SD-WAN Manager troubleshooting issues, enable Read and Write access.
Click Add user and configure the following parameters.
Username
Enter a name for the user. It can be 1 to 128 characters long, and it must start with a letter. The name can contain only lowercase letters, the digits 0 through 9, hyphens (-), underscores (_), and periods (.). The name cannot contain any uppercase letters.
Password
Enter a password for the user.
Each username must have a password. Users are allowed to change their own passwords.
The default password for the admin user is admin. We strongly recommend that you change this password.
User group
Choose the user group from the drop-down menu. You can choose from:
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basic
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operator
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netadmin
Table 3. Advanced Field
Description
Disable audit logs
Click to disable the audit logs.
Disable netconf logs
Click to disable the netconf logs.
Authentication fallback
Enables authentication fallback.
Admin authentication order
Enables authentication order defined by the administrator.
User accounting
Enables user accounting.
Radius server
Radius server list
Select the RADIUS server tag from the drop-down menu.
Timeout
Enter the number of seconds a device waits for a reply to a RADIUS request before retransmitting the request.
Default: 5 seconds.
Range: 1 through 1000
Retransmit
Enter the number of times the device transmits each RADIUS request to the server before giving up.
Default: 5 seconds.
Click Add server and configure the following parameters.
Tag
Enter a value for the server tag.
IP address
Enter the IP address of the RADIUS server host.
Authentication port
Enter the UDP destination port to use for authentication requests to the RADIUS server. If the server is not used for authentication, configure the port number to be 0.
Default: Port 1812
Accounting port
Enter the UDP port to use to send 802.1X and 802.11i accounting information to the RADIUS server.
Range: 0 through 65535. Default: 1813.
Secret key
Enter the key the Cisco IOS XE Catalyst SD-WAN device passes to the RADIUS server for authentication and encryption. You can type the key as a text string from 1 to 31 characters long, and it is immediately encrypted, or you can type an AES 128-bit encrypted key. The key must match the AES encryption key used on the RADIUS server.
VPN ID
Select the VPN ID from the drop-down list.
Priority
Set the priority of a RADIUS server, as a means of choosing or load balancing among multiple RADIUS servers, set a priority value for the server. The priority can be a value from 0 through 7. A server with a lower priority number is given priority over one with a higher number.
TACACS
Timeout
Enter the number of seconds a device waits for a reply to a TACACS+ request before retransmitting the request.
Default: 5 seconds. Range: 1 through 1000
Authentication
Choose the authentication from the drop-down list.
Click Add server and configure the following parameters.
IP address
Enter the IP address of the TACACS server host.
Authentication port
Enter the UDP destination port to use for authentication requests to the TACACS server. If the server is not used for authentication, configure the port number to be 0.
Default: Port 49
Accounting port
Enter the UDP port to use to send 802.1X and 802.11i accounting information to the TACACS server.
Range: 0 through 65535. Default: 49.
Secret key
Enter the key the Cisco IOS XE Catalyst SD-WAN device passes to the TACACS server for authentication and encryption. You can type the key as a text string from 1 to 31 characters long, and it is immediately encrypted, or you can type an AES 128-bit encrypted key. The key must match the AES encryption key used on the TACACS server.
VPN ID
Select the VPN ID from the drop-down list.
Priority
Set the priority of a TACACS server, as a means of choosing or load balancing among multiple TACACS servers, set a priority value for the server. The priority can be a value from 0 through 7. A server with a lower priority number is given priority over one with a higher number.
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- Configure DNS.
Table 4. DNS Field
Description
Primary DNS
Enter the IPv4 or IPv6 address of the primary DNS server
Secondary DNS
Enter the IPv4 or IPv6 address of the primary DNS server
Click Add host mapping and configure the following parameters.
Hostname
Enter the DNS name.
List of IP address
Enter a list of IP addresses seperated by comma.
- Configure security.
Table 5. Security Field
Description
Control connection protocol
Choose the protocol to use on control plane connections:
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DTLS (Datagram Transport Layer Security). This is the default.
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TLS (Transport Layer Security)
TLS port
If you select TLS, configure the port number to use: Range: 1025 through 65535.
Default: 23456
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- Configure controller.
Table 6. Controller Field
Description
Graceful Restart for OMP
Enables graceful restart. By default, graceful restart for OMP is enabled.
Graceful Restart Timer (seconds)
Specify how often the OMP information cache is flushed and refreshed. A timer value of 0 disables OMP graceful restart.
Range: 0 to 31556952 seconds (365 days)
Default: 43200 seconds (12 hours)
Number of Paths Advertised per Prefix
Specify the maximum number of equal-cost routes to advertise per prefix. s advertise routes to Cisco Catalyst SD-WAN Controllers, and the controllers redistributes the learned routes, advertising each route-TLOC tuple. A Cisco IOS XE Catalyst SD-WAN device can have up to eight TLOCs, and by default advertises each route-TLOC tuple to the Cisco Catalyst SD-WAN Controller. If a local site has two Cisco IOS XE Catalyst SD-WAN devices, a Cisco Catalyst SD-WAN Controller could potentially learn eight route-TLOC tuples for the same route. If the configured limit is lower than the number of route-TLOC tuples, the best route or routes are advertised.
Range: 1 to 16
Default: 4
Send Backup Paths
Enable to have OMP advertise backup routes to Cisco IOS XE Catalyst SD-WAN devices. By default, OMP advertises only the best route or routes. If you configure to send backup paths, OMP also advertises the first non-best route in addition to the best route or routes.
Shutdown
Ensure that No is chosen to enable to the Cisco SD-WAN overlay network. Click Yes to disable OMP and disable the Cisco SD-WAN overlay network. OMP is enabled by default.
Hub & Spoke Topology
Enable to allow routes through hub and spoke topologies.
Click Add Compatible TLOC color and configure the following parameters.
Primary color
Enter a primary TLOC color.
Secondary color
Enter a secondary TLOC color.
Click Add incompatible TLOC color and configure the following parameters.
Primary color
Enter a primary TLOC color.
Secondary color
Enter a secondary TLOC color.
Table 7. Advanced settings Field
Description
Discard Rejected Routes
Enable to have OMP discard routes that have been rejected on the basis of policy. By default, rejected routes aren’t discarded.
Enable Filtering Route Updates Based on Affinity
Enable filtering route updates based on affinity.
Enable Filtering Route Updates Based on TLOC-Color
Enable filtering route updates based on TLOC color.
Hold Time (seconds)
Specify how long to wait before closing the OMP connection to a peer. If the peer doesn’t receive three consecutive keepalive messages within the hold time, the OMP connection to the peer is closed.
Range: 0 to 65535 seconds
Default:
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Cisco Catalyst SD-WAN Control Components Release 20.16.x: 5400 seconds
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From Cisco Catalyst SD-WAN Control Components Release 20.12.1 to Cisco Catalyst SD-WAN Control Components Release 20.15.x: 300 seconds
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Before Cisco Catalyst SD-WAN Control Components Release 20.12.1: 60 seconds
Advertisement Interval (seconds)
Specify the time between OMP Update packets.
Range: 0 to 65535 seconds
Default: 1 second
We recommend you to configure 5 seconds on edge devices and 20 seconds on Cisco SD-WAN Controller.
EOR Timer (Seconds)
Specify how long to wait after an OMP session has gone down and then come back up to send an end-of-RIB (EOR) marker. After this marker is sent, any routes that weren’t refreshed after the OMP session came back up are considered to be stale and are deleted from the route table.
Range: 1 to 3600 seconds (1 hour)
Default: 300 seconds (5 minutes)
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- Configure banner.
Table 8. Banner Field
Description
Login message
Enter text to display before the login prompt. The string can be up to 2048 characters long. To insert a line break, type \n.
MOTD message
On a Cisco IOS XE Catalyst SD-WAN device enter message-of-the-day text to display prior to the login banner. The string can be up to 2048 characters long. To insert a line break, type \n.
- Configure logging.
Table 9. Logging Field
Description
Hostname
Enter the DNS name, hostname, or IPv4, IPv6 address of the system on which to store syslog messages.
VPN ID
Enter the identifier of the VPN in which the syslog server is located or through which the syslog server can be reached.
VPN ID Range: 0 and 512
- Configure SNMP.
Table 10. SNMP Field
Description
Version
Select SNMP version as v2 or v3.
Name for Device
Enter a name for the device.
Contact person
Enter the name of the network management contact person in charge of managing the Cisco IOS XE Catalyst SD-WAN device or a Cisco vEdge device. It can be a maximum of 255 characters.
Location of device
Enter a description of the location of the device. It can be a maximum of 255 characters.
Click Add view and configure the following parameters.
Name
Enter a name for the view. A view specifies the MIB objects that the SNMP manager can access. The view name can be a maximum of 32 characters. You must add a view name for all views before adding a community.
Object Identifiers
Click Add OID and configure the following parameters:
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Object Identifiers: Enter the OID of the object. For example, to view the Internet portion of the SNMP MIB, enter the OID 1.3.6.1. To view the private portion of the MIB, enter the OID 1.3.6.1.4.1.41916. Use the asterisk wildcard (*) in any position of the OID subtree to match any value at that position rather than matching a specific type or name.
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Exclude OID: On/Off—Click Off to include the OID in the view or click On to exclude the OID from the view.
To save the object identifiers, click Save.
To remove an OID from the list, click the trash can icon next to the entry.
Click Add group and configure the following parameters.
Name
Enter a name for the trap group. It can be from 1 to 32 characters long.
Security level
Choose the authentication to use for the group.
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no-auth-no-priv: Authenticate based on a username. When you configure this authentication, you do not need to configure authentication or privacy credentials.
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auth-priv: Authenticate using the selected authentication algorithm. When you configure this authentication, users in this group must be configured with an authentication and an authentication password and a privacy and privacy password.
View
Choose an SNMP view that the group can access.
Click Add user and configure the following parameters.
Name
Enter a name of the SNMP user. It can be 1 to 32 alphanumeric characters.
Group
Choose the name of an SNMP group.
Authentication password
Enter the authentication password either in cleartext or as an AES-encrypted key.
Privacy password
Enter the privacy password either in cleartext or as an AES-encrypted key.
Click Add trap group and configure the following parameters.
Name
Enter a name for the trap group. It can be from 1 to 32 characters long.
Trap Type Modules
Click the group number, and configure the following parameters:
In Severity Levels, select one or more severity levels for the trap—critical, major, or minor.
In Module Name, select the type of traps to include in the trap group:
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all: All trap types.
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app-route: Traps generated by application-aware routing.
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bfd: Traps generated by BFD and BFD sessions.
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control: Traps generated by DTLS and TLS sessions.
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dhcp: Traps generated by DHCP.
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hardware: Traps generated by hardware.
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omp: Traps generated by OMP.
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routing: Traps generated by BGP, OSPF, and PIM.
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security: Trap generated by certificates, Cisco Catalyst SD-WAN Controller and vEdge serial number files, and IPsec.
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system: Traps generated by system-wide functions.
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vpn: Traps generated by VPN-specific functions, including interfaces and VRRP.
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bridge: Traps generated to notify about events on a network bridge.
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wwan: Traps generated from wireless network devices.
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policy: Traps generated to notify about specific events or errors for policies that are defined for the device.
Click Add trap target and configure the following parameters.
VPN ID
Enter the number of the VPN to use to reach the trap server. The only supported VPN ID's are 0 and 512.
IP address
Enter the IP address of the SNMP server.
UDP port
Enter the UDP port number for connecting to the SNMP server.Range: 1 though 65535
Trap group name
Select the name of a trap group that was configured under Group.
User name
Enter the username. The username can be a string from 1 to 32 characters.
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- Configure NTP
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Click Save .