DHCP Relay
nv show service dhcp-relay
Shows the IPv4 DHCP relay configuration on the switch.
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay
source-ip Summary
--------- --------- -----------------------
+ default auto gateway-interface: lo
default interface: swp51
default interface: swp52
default interface: vlan10
default server: 172.16.1.102
nv show service dhcp-relay <vrf-id>
Shows the IPv4 DHCP relay configuration in the specified VRF.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay default
operational applied
------------------- ------------- -------------
source-ip auto auto
[gateway-interface] swp2 swp2
[interface] peerlink.4094 peerlink.4094
[interface] swp51 swp51
[interface] swp52 swp52
[interface] vlan10 vlan10
[server] 172.16.1.102 172.16.1.102
nv show service dhcp-relay <vrf-id> agent
Shows DHCP Agent Information Option 82 configuration settings.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.7.0
Example
cumulus@switch:~$ nv show service dhcp-relay default agent
applied
------------------ -----------------
[remote-id] 44:38:39:BE:EF:AA
use-pif-circuit-id
enable on
enable on
nv show service dhcp-relay <vrf-id> agent remote-id
Shows the remote IDs configured for DHCP Agent Information Option 82.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.7.0
Example
cumulus@switch:~$ nv show service dhcp-relay default agent remote-id
applied
------------------ -----------------
[remote-id] 44:38:39:BE:EF:AA
use-pif-circuit-id
enable on
enable on
nv show service dhcp-relay <vrf-id> agent remote-id <remote-id>
Shows information about the specified remote ID configured for DHCP Agent Information Option 82.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
<remote-id> | The remote name. |
Version History
Introduced in Cumulus Linux 5.7.0
Example
cumulus@switch:~$ nv show service dhcp-relay default agent remote-id 44:38:39:BE:EF:AA
nv show service dhcp-relay <vrf-id> agent use-pif-circuit-id
Shows if circuit ID is ON for DHCP Agent Information Option 82.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.7.0
Example
cumulus@switch:~$ nv show service dhcp-relay default agent use-pif-circuit-id
applied
------ -------
enable on
nv show service dhcp-relay <vrf-id> gateway-interface <interface-id>
Shows the IPv4 DHCP relay gateway IP address interface configuration.
In Cumulus Linux 5.4 and earlier, this command is nv show service dhcp-relay <vrf-id> giaddress-interface <interface-id>
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
<interface-id> | The DHCP relay gateway address interface. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay default gateway-interface swp2
operational applied
------- ----------- --------
address 10.0.0.4 10.0.0.4
nv show service dhcp-relay <vrf-id> interface <interface-id>
Shows IPv4 DHCP relay configuration information for the interface that handles DHCP relay traffic.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
<interface-id> | The DHCP relay interface. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay default interface swp1
nv show service dhcp-relay <vrf-id> server <server-id>
Shows configuration information for the specified IPv4 DHCP server participating in DHCP relay.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
<server-id> | The DHCP server. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay default server 172.16.1.102
nv show service dhcp-relay6
Shows IPv6 DHVP relay configuration information on the switch.
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay6
Summary
------- -----------------------------------
default interface.downstream: peerlink.4094
interface.downstream: vlan10
interface.upstream: swp51
nv show service dhcp-relay6 <vrf-id>
Shows IPv6 DHVP relay configuration information in the specified VRF on the switch.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay6 default
operational applied
-------------- ------------- -------------
interface
[downstream] peerlink.4094 peerlink.4094
[downstream] vlan10 vlan10
[upstream] swp51 swp51
[upstream] swp52 swp52
nv show service dhcp-relay6 <vrf-id> interface
Shows the IPv6 DHCP relay interface configuration in the specified VRF.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay6 default interface
operational applied
------------ ------------- -------------
[downstream] peerlink.4094 peerlink.4094
[downstream] vlan10 vlan10
[upstream] swp51 swp51
[upstream] swp52 swp52
nv show service dhcp-relay6 <vrf-id> interface downstream <interface-id>
Shows the downstream IPv6 DHCP relay interface configuration.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
<interface-id> | The DHCP relay interface. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay6 default interface downstream vlan10
nv show service dhcp-relay6 <vrf-id> interface upstream <interface-id>
Shows the upstream IPv6 DHCP relay interface configuration.
Command Syntax
Syntax | Description |
---|---|
<vrf-id> | The VRF name. |
<interface-id> | The DHCP relay interface. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv show service dhcp-relay6 default interface upstream swp51
operational applied
-------------- --------------- ---------------
server-address 2001:db8:100::2 2001:db8:100::2