Router Nexthop
nv set router nexthop
Configures next hop groups.
nv set router nexthop group <nexthop-group-id>
Configures a next hop group ID.
nv set router nexthop group <nexthop-group-id> via <via-id>
Configures the next hop router for the next hop group.
Command Syntax
| Syntax | Description |
|---|---|
<nexthop-group-id> | The next hop group ID. |
<via-id> | The IP address of the nexthop router. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set router nexthop group 10 via 10.0.1.0
nv set router nexthop group <nexthop-group-id> via <via-id> interface <interface-name>
Configures the next hop router and interface for the next hop group.
Command Syntax
| Syntax | Description |
|---|---|
<nexthop-group-id> | The next hop group ID. |
<via-id> | The IP address of the nexthop router. |
<interface-name> | The interface name. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set router nexthop group 10 via 10.10.10.101 interface swp51
nv set router nexthop group <nexthop-group-id> via <via-id> vrf <vrf-name>
Configures the next hop router and VRF for the next hop group.
Command Syntax
| Syntax | Description |
|---|---|
<nexthop-group-id> | The next hop group ID. |
<via-id> | The IP address of the nexthop router. |
<vrf-name> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set router nexthop group 10 via 10.10.10.101 vrf default
nv set vrf <vrf-id> router nexthop-tracking <afi> resolved-via-default
Turns nexthop tracking resolved via default on or off.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-name> | The VRF name. |
<afi> | The address family: IPv4 or IPv6. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set vrf default router nexthop-tracking ipv4 resolved-via-default on
nv set vrf <vrf-id> router nexthop-tracking <afi>
Configures next hop tracking for the specified address family. Next hop tracking reduces the BGP convergence time by monitoring next hop address changes in the routing table.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-name> | The VRF name. |
<afi> | The address family: IPv4 or IPv6. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set router nexthop-tracking ipv4
nv set vrf <vrf-id> router nexthop-tracking <afi> route-map <nht-routemap-id>
Applies the specified nexthop tracking route map.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-name> | The VRF name. |
<afi> | The address family: IPv4 or IPv6. |
<nht-routemap-id> | The next hop tracking route map name. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set router nexthop-tracking ipv4 route-map ROUTEMAP1
nv set vrf <vrf-id> router nexthop-tracking <afi> route-map <nht-routemap-id> protocol
Applies the specified nexthop tracking route map for the specified protocol. You can specify bgp, ospf, ospf6, or static.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-name> | The VRF name. |
<afi> | The address family: IPv4 or IPv6. |
<nht-routemap-id> | The next hop tracking route map name. |
Version History
Introduced in Cumulus Linux 5.4.0
Example
cumulus@switch:~$ nv set vrf default router nexthop-tracking ipv4 route-map ROUTEMAP1 bgp