nm-settings-ifcfg-rh man page
nm-settings-ifcfg-rh — Description of ifcfg-rh settings plugin NetworkManager is based on the concept of connection profiles that contain network configuration (see nm-settings(5) for details). The profiles can be stored in various formats. NetworkManager uses plugins for reading and writing the data. The plugins can be configured in NetworkManager.conf(5). The ifcfg-rh plugin is used on the Fedora and Red Hat Enterprise Linux distributions to read/write configuration from/to the traditional /etc/sysconfig/network-scripts/ifcfg-* files. Each NetworkManager connection maps to one ifcfg-* file, with possible usage of keys-* for passwords, route-* for static IPv4 routes and route6-* for static IPv6 routes. The plugin currently supports reading and writing Ethernet, Wi-Fi, InfiniBand, VLAN, Bond, Bridge, and Team connections. Unsupported connection types (such as WWAN, PPPoE, VPN, or ADSL) are handled by keyfile plugin (nm-settings-keyfile(5)). The main reason for using ifcfg-rh plugin is the compatibility with legacy configurations for ifup and ifdown (initscripts). The ifcfg-rh config format is a simple text file containing VARIABLE="value" lines. The format is described in sysconfig.txt of initscripts package. Note that the configuration files may be sourced by initscripts, so they must be valid shell scripts. That means, for instance, that # character can be used for comments, strings with spaces must be quoted, special characters must be escaped, etc. Users can create or modify the ifcfg-rh connection files manually, even if that is not the recommended way of managing the profiles. However, if they choose to do that, they must inform NetworkManager about their changes (see monitor-connection-file in nm-settings(5), and nmcli con (re)load). Some ifcfg-rh configuration examples:. The UUID values in the config files must be unique. You can use uuidgen command line tool to generate such values. Alternatively, you can leave out UUID entirely. In that case NetworkManager will generate a UUID based on the file name. The main differences of NetworkManager ifcfg-rh plugin and traditional initscripts are: NM_CONTROLLED is NetworkManager-specific variable used by NetworkManager for determining whether the device of the ifcfg file should be managed. NM_CONTROLLED=yes is supposed if the variable is not present in the file. Note that if you have more ifcfg files for a single device, NM_CONTROLLED=no in one of the files will cause the device not to be managed. The profile may not even be the active one. NetworkManager has introduced some new variable, not present in initscripts, to be able to store data for its new features. The variables are marked as extensions in the tables below. Semantic change of variables NetworkManager had to slightly change the semantic for a few variables. See the next section for detailed mapping of NetworkManager properties and ifcfg-rh variables. Variable names, format and usage differences in NetworkManager and initscripts are documented in the tables below. ifcfg-rh plugin variables marked with (+) are NetworkManager specific extensions not understood by traditional initscripts. Table 1. 6lowpan setting Table 2. 802-1x setting Table 3. bond setting Table 4. bridge-port setting Table 5. bridge setting Table 6. connection setting Table 7. dcb setting All DCB related configuration is a NetworkManager extension. DCB=yes must be used explicitly to enable DCB so that the rest of the DCB_* variables can apply. Table 8. ethtool setting Table 9. infiniband setting Table 10. ipv4 setting Table 11. ipv6 setting Table 12. match setting Table 13. ovs-bridge setting Table 14. ovs-dpdk setting Table 15. ovs-interface setting Table 16. ovs-patch setting Table 17. ovs-port setting Table 18. proxy setting Table 19. sriov setting Table 20. tc setting Table 21. team-port setting Table 22. team setting Table 23. user setting Table 24. vlan setting Table 25. wifi-p2p setting Table 26. 802-3-ethernet setting Table 27. wireguard setting Table 28. 802-11-wireless-security setting Table 29. 802-11-wireless setting Table 30. wpan setting The following settings are not supported by ifcfg-rh plugin: 802-11-olpc-mesh, adsl, bluetooth, cdma, dummy, generic, gsm, ip-tunnel, macsec, macvlan, ppp, pppoe, serial, tun, vpn, vxlan, wimax Each secret property in a NetworkManager setting has an associated flags property that describes how to handle that secret. In the fcfg-rh plugin variables for secret flags have a _FLAGS suffix. The variables contain one or more of the following values (space separated). Missing (or empty) *_FLAGS variable means that the password is owned by NetworkManager. /etc/sysconfig/network-scripts/ifcfg-* /etc/sysconfig/network-scripts/keys-* /etc/sysconfig/network-scripts/route-* /etc/sysconfig/network-scripts/route6-* /usr/share/doc/initscripts/sysconfig.txt nm-settings(5), nm-settings-keyfile(5), NetworkManager(8), NetworkManager.conf(5), nmcli(1), nmcli-examples(7) NetworkManager.conf(5), nm-settings-keyfile(5).Description
File Format
Simple DHCP ethernet configuration:
NAME=ethernet
UUID=1c4ddf70-01bf-46d6-b04f-47e842bd98da
TYPE=Ethernet
BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
ONBOOT=yes
Simple ethernet configuration with static IP:
TYPE=Ethernet
BOOTPROTO=none
IPADDR=10.1.0.25
PREFIX=24
GATEWAY=10.1.0.1
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=ethernet-em2
UUID=51bb3904-c0fc-4dfe-83b2-0a71e7928c13
DEVICE=em2
ONBOOT=yes
WPA2 Enterprise WLAN (TTLS with inner MSCHAPV2 authentication):
ESSID="CompanyWLAN"
MODE=Managed
KEY_MGMT=WPA-EAP
TYPE=Wireless
IEEE_8021X_EAP_METHODS=TTLS
IEEE_8021X_IDENTITY=joe
IEEE_8021X_PASSWORD_FLAGS=ask
IEEE_8021X_INNER_AUTH_METHODS=MSCHAPV2
IEEE_8021X_CA_CERT=/home/joe/.cert/company.crt
BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=no
NAME=MyCompany
UUID=f79848ff-11a6-4810-9e1a-99039dea84c4
ONBOOT=yes
Bridge and bridge port configuration:
ifcfg-bridge: ifcfg-bridge-port:
NAME=bridge NAME=bridge007-port-eth0
UUID=4be99ce0-c5b2-4764-8b77-ec226e440125 UUID=3ad56c4a-47e1-419b-b0d4-8ad86eb967a3
DEVICE=bridge007 DEVICE=eth0
STP=yes ONBOOT=yes
TYPE=Bridge TYPE=Ethernet
BRIDGING_OPTS=priority=32768 BRIDGE=bridge007
ONBOOT=yes
BOOTPROTO=dhcp
Bonding configuration:
ifcfg-BOND: ifcfg-BOND-slave:
NAME=BOND NAME=BOND-slave
UUID=b41888aa-924c-450c-b0f8-85a4f0a51b4a UUID=9bb048e4-286a-4cc3-b104-007dbd20decb
DEVICE=bond100 DEVICE=eth0
BONDING_OPTS="mode=balance-rr miimon=100" ONBOOT=yes
TYPE=Bond TYPE=Ethernet
BONDING_MASTER=yes MASTER=bond100
ONBOOT=yes SLAVE=yes
BOOTPROTO=dhcp
Team and team port configuration:
ifcfg-my_team0:
DEVICE=team0
TEAM_CONFIG="{ \"device\": \"team0\", \"runner\": {\"name\": \"roundrobin\"}, \"ports\": {\"eth1\": {}, \"eth2\": {}} }"
DEVICETYPE=Team
BOOTPROTO=dhcp
NAME=team0-profile
UUID=1d3460a0-7b37-457f-a300-fe8d92da4807
ONBOOT=yes
ifcfg-my_team0_slave1:
NAME=team0-slave1
UUID=d5aed298-c567-4cc1-b808-6d38ecef9e64
DEVICE=eth1
ONBOOT=yes
TEAM_MASTER=team0
DEVICETYPE=TeamPort
ifcfg-my_team0_slave2:
NAME=team0-slave2
UUID=94e75f4e-e5ad-401c-8962-31e0ae5d2215
DEVICE=eth2
ONBOOT=yes
TEAM_MASTER=team0
DEVICETYPE=TeamPort
Differences Against Initscripts
Details
Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description eap IEEE_8021X_EAP_METHODS(+) EAP method for 802.1X authentication.
Example: IEEE_8021X_EAP_METHODS=PEAP
Allowed values: "LEAP", "PWD", "TLS", "PEAP", "TTLS", "FAST"identity IEEE_8021X_IDENTITY(+) Identity for EAP authentication methods.
Example: IEEE_8021X_IDENTITY=itsmeanonymous-identity IEEE_8021X_ANON_IDENTITY(+) Anonymous identity for EAP authentication methods. pac-file IEEE_8021X_PAC_FILE(+) File with PAC (Protected Access Credential) for EAP-FAST.
Example: IEEE_8021X_PAC_FILE=/home/joe/my-fast.pacca-cert IEEE_8021X_CA_CERT(+) CA certificate for EAP.
Example: IEEE_8021X_CA_CERT=/home/joe/cacert.crtca-path (none) The property is not handled by ifcfg-rh plugin. subject-match IEEE_8021X_SUBJECT_MATCH(+) Substring to match subject of server certificate against.
Example: IEEE_8021X_SUBJECT_MATCH="Red Hat"altsubject-matches IEEE_8021X_ALTSUBJECT_MATCHES(+) List of strings to be matched against the altSubjectName.
Example: IEEE_8021X_ALTSUBJECT_MATCHES="s1.domain.cc"domain-suffix-match IEEE_8021X_DOMAIN_SUFFIX_MATCH(+) Suffix to match domain of server certificate against. client-cert IEEE_8021X_CLIENT_CERT(+) Client certificate for EAP.
Example: IEEE_8021X_CLIENT_CERT=/home/joe/mycert.crtphase1-peapver IEEE_8021X_PEAP_VERSION(+) Use to force a specific PEAP version.
Allowed values: 0, 1phase1-peaplabel IEEE_8021X_PEAP_FORCE_NEW_LABEL(+) no Use to force the new PEAP label during key derivation.
Allowed values: yes, nophase1-fast-provisioning IEEE_8021X_FAST_PROVISIONING(+) Enable in-line provisioning of EAP-FAST credentials.
Example: IEEE_8021X_FAST_PROVISIONING="allow-auth allow-unauth"
Allowed values: space-separated list of these values [allow-auth, allow-unauth]phase1-auth-flags IEEE_8021X_PHASE1_AUTH_FLAGS(+) Authentication flags for the supplicant
Example: IEEE_8021X_PHASE1_AUTH_FLAGS="tls-1-0-disable tls-1-1-disable"
Allowed values: space-separated list of authentication flags namesphase2-auth IEEE_8021X_INNER_AUTH_METHODS(+) Inner non-EAP authentication methods. IEEE_8021X_INNER_AUTH_METHODS can contain values both for 'phase2-auth' and 'phase2-autheap' properties.
Example: IEEE_8021X_INNER_AUTH_METHODS=PAP
Allowed values: "PAP", "CHAP", "MSCHAP", "MSCHAPV2", "GTC", "OTP", "MD5" and "TLS"phase2-autheap IEEE_8021X_INNER_AUTH_METHODS(+) Inner EAP-based authentication methods. Note that IEEE_8021X_INNER_AUTH_METHODS is also used for 'phase2-auth' values.
Example: IEEE_8021X_INNER_AUTH_METHODS="MSCHAPV2 EAP-TLS"
Allowed values: "EAP-MD5", "EAP-MSCHAPV2", "EAP-GTC", "EAP-OTP" and "EAP-TLS"phase2-subject-match IEEE_8021X_PHASE2_SUBJECT_MATCH(+) Substring to match subject of server certificate against.
Example: IEEE_8021X_PHASE2_SUBJECT_MATCH="Red Hat"phase2-altsubject-matches IEEE_8021X_PHASE2_ALTSUBJECT_MATCHES(+) phase2-domain-suffix-match IEEE_8021X_PHASE2_DOMAIN_SUFFIX_MATCH(+) Suffix to match domain of server certificate for phase 2 against. phase2-client-cert IEEE_8021X_INNER_CLIENT_CERT(+) Client certificate for inner EAP method.
Example: IEEE_8021X_INNER_CLIENT_CERT=/home/joe/mycert.crtpassword IEEE_8021X_PASSWORD(+) UTF-8 encoded password used for EAP. It can also go to "key-" lookaside file, or it can be owned by a secret agent. password-flags IEEE_8021X_PASSWORD_FLAGS(+) Password flags for IEEE_8021X_PASSWORD password. (see the section called “Secret flags” for _FLAGS values) password-raw IEEE_8021X_PASSWORD_RAW(+) password used for EAP, encoded as a hexadecimal string. It can also go to "key-" lookaside file.
Example: IEEE_8021X_PASSWORD_RAW=041c8320083aa4bfpassword-raw-flags (none) The property is not handled by ifcfg-rh plugin. private-key IEEE_8021X_PRIVATE_KEY(+) Private key for EAP-TLS.
Example: IEEE_8021X_PRIVATE_KEY=/home/joe/mykey.p12private-key-password IEEE_8021X_PRIVATE_KEY_PASSWORD(+) Password for IEEE_8021X_PRIVATE_KEY. It can also go to "key-" lookaside file, or it can be owned by a secret agent. private-key-password-flags IEEE_8021X_PRIVATE_KEY_PASSWORD_FLAGS(+) Password flags for IEEE_8021X_PRIVATE_KEY_PASSWORD password. (see the section called “Secret flags” for _FLAGS values) phase2-private-key IEEE_8021X_INNER_PRIVATE_KEY(+) Private key for inner authentication method for EAP-TLS. phase2-private-key-password IEEE_8021X_INNER_PRIVATE_KEY_PASSWORD(+) Password for IEEE_8021X_INNER_PRIVATE_KEY. It can also go to "key-" lookaside file, or it can be owned by a secret agent. phase2-private-key-password-flags IEEE_8021X_INNER_PRIVATE_KEY_PASSWORD_FLAGS(+) Password flags for IEEE_8021X_INNER_PRIVATE_KEY_PASSWORD password. (see the section called “Secret flags” for _FLAGS values) pin (none) The property is not handled by ifcfg-rh plugin. pin-flags (none) The property is not handled by ifcfg-rh plugin. system-ca-certs (none) The property is not handled by ifcfg-rh plugin. auth-timeout IEEE_8021X_AUTH_TIMEOUT(+) 0 Timeout in seconds for the 802.1X authentication. Zero means the global default or 25. optional IEEE_8021X_OPTIONAL(+) default=no whether the 802.1X authentication is optional Property Ifcfg-rh Variable Default Description options BONDING_OPTS Bonding options.
Example: BONDING_OPTS="miimon=100 mode=broadcast"Property Ifcfg-rh Variable Default Description priority BRIDGING_OPTS: priority= 32 STP priority.
Allowed values: 0 - 63path-cost BRIDGING_OPTS: path_cost= 100 STP cost.
Allowed values: 1 - 65535hairpin-mode BRIDGING_OPTS: hairpin_mode= yes Hairpin mode of the bridge port. vlans BRIDGE_PORT_VLANS List of VLANs on the bridge port
Example: BRIDGE_PORT_VLANS="1 pvid untagged,20,300-400 untagged"Property Ifcfg-rh Variable Default Description mac-address BRIDGE_MACADDR(+) MAC address of the bridge. Note that this requires a recent kernel support, originally introduced in 3.15 upstream kernel) BRIDGE_MACADDR for bridges is an NM extension. stp STP no Span tree protocol participation. priority BRIDGING_OPTS: priority= 32768 STP priority.
Allowed values: 0 - 32768forward-delay DELAY 15 STP forwarding delay.
Allowed values: 2 - 30hello-time BRIDGING_OPTS: hello_time= 2 STP hello time.
Allowed values: 1 - 10max-age BRIDGING_OPTS: max_age= 20 STP maximum message age.
Allowed values: 6 - 40ageing-time BRIDGING_OPTS: ageing_time= 300 Ethernet MAC ageing time.
Allowed values: 0 - 1000000multicast-snooping BRIDGING_OPTS: multicast_snooping= 1 IGMP snooping support.
Allowed values: 0 or 1vlan-filtering BRIDGING_OPTS: vlan_filtering= 0 VLAN filtering support.
Allowed values: 0 or 1vlan-default-pvid BRIDGING_OPTS: default_pvid= 1 default VLAN PVID.
Allowed values: 0 - 4094vlans BRIDGE_VLANS List of VLANs on the bridge
Example: BRIDGE_VLANS="1 pvid untagged,20,300-400 untagged"Property Ifcfg-rh Variable Default Description id NAME(+) User friendly name for the connection profile. uuid UUID(+) UUID for the connection profile. When missing, NetworkManager creates the UUID itself (by hashing the filename). stable-id STABLE_ID(+) Token to generate stable IDs. interface-name DEVICE Interface name of the device this profile is bound to. The variable can be left out when the profile should apply for more devices. Note that DEVICE can be required for some connection types. type TYPE (DEVICETYPE, DEVICE) Base type of the connection. DEVICETYPE is used for teaming connections.
Example: TYPE=Ethernet; TYPE=Bond; TYPE=Bridge; DEVICETYPE=TeamPort
Allowed values: Ethernet, Wireless, InfiniBand, Bridge, Bond, Vlan, Team, TeamPortpermissions USERS(+) Restrict to certain users the access to this connection, and allow the connection to be active only when at least one of the specified users is logged into an active session.
Example: USERS="joe bob"autoconnect ONBOOT yes Whether the connection should be autoconnected (not only while booting). autoconnect-priority AUTOCONNECT_PRIORITY(+) 0 Connection priority for automatic activation. Connections with higher numbers are preferred when selecting profiles for automatic activation.
Example: AUTOCONNECT_PRIORITY=20
Allowed values: -999 to 999autoconnect-retries AUTOCONNECT_RETRIES(+) The number of times a connection should be autoactivated before giving up and switching to the next one.
Example: AUTOCONNECT_RETRIES=1
Allowed values: -1 (use global default), 0 (forever) or a positive valuemulti-connect MULTI_CONNECT(+) whether the profile can be active on multiple devices at a given moment. The values are numbers corresponding to #NMConnectionMultiConnect enum.
Example: ZONE=3zone ZONE(+) Trust level of this connection. The string is usually used for a firewall.
Example: ZONE=Workmaster MASTER, MASTER_UUID, TEAM_MASTER, TEAM_MASTER_UUID, BRIDGE, BRIDGE_UUID Reference to master connection. The variable used depends on the connection type and the value. In general, if the *_UUID variant is present, the variant without *_UUID is ignored. NetworkManager attempts to write both for compatibility with legacy tooling. slave-type MASTER, MASTER_UUID, TEAM_MASTER, TEAM_MASTER_UUID, DEVICETYPE, BRIDGE, BRIDGE_UUID Slave type doesn't map directly to a variable, but it is recognized using different variables. MASTER and MASTER_UUID for bonding, TEAM_MASTER, TEAM_MASTER_UUID and DEVICETYPE for teaming, BRIDGE and BRIDGE_UUID for bridging. autoconnect-slaves AUTOCONNECT_SLAVES(+) missing variable means global default Whether slaves of this connection should be auto-connected when this connection is activated. secondaries SECONDARY_UUIDS(+) UUID of VPN connections that should be activated together with this connection. gateway-ping-timeout GATEWAY_PING_TIMEOUT(+) 0 If greater than zero, the IP connectivity will be checked by pinging the gateway and waiting for the specified timeout (in seconds).
Example: GATEWAY_PING_TIMEOUT=5metered CONNECTION_METERED(+) Whether the device is metered
Example: CONNECTION_METERED=yes
Allowed values: yes,no,unknownlldp LLDP(+) missing variable means global default whether LLDP is enabled for the connection
Example: LLDP=no
Allowed values: boolean value or 'rx'auth-retries AUTH_RETRIES(+) 0 Number of retries for authentication. mdns MDNS(+) missing variable means global default Whether or not mDNS is enabled for the connection
Example: MDNS=yes
Allowed values: yes,no,resolvellmnr LLMNR(+) missing variable means global default Whether or not LLMNR is enabled for the connection
Example: LLMNR=yes
Allowed values: yes,no,resolvewait-device-timeout DEVTIMEOUT(+) for initscripts compatibility, this variable must be a whole integer. If necessary, NetworkManager stores also a fractional component for the milliseconds.
Example: DEVTIMEOUT=5
Allowed values: timeout in seconds.Property Ifcfg-rh Variable Default Description app-fcoe-flags DCB_APP_FCOE_ENABLE, DCB_APP_FCOE_ADVERTISE, DCB_APP_FCOE_WILLING no FCOE flags.
Example: DCB_APP_FCOE_ENABLE=yes DCB_APP_FCOE_ADVERTISE=yesapp-fcoe-priority DCB_APP_FCOE_PRIORITY Priority of FCoE frames.
Allowed values: 0 - 7app-fcoe-mode DCB_APP_FCOE_MODE fabric FCoE controller mode.
Allowed values: fabric, vn2vnapp-iscsi-flags DCB_APP_ISCSI_ENABLE, DCB_APP_ISCSI_ADVERTISE, DCB_APP_ISCSI_WILLING no iSCSI flags. app-iscsi-priority DCB_APP_ISCSI_PRIORITY Priority of iSCSI frames.
Allowed values: 0 - 7app-fip-flags DCB_APP_FIP_ENABLE, DCB_APP_FIP_ADVERTISE, DCB_APP_FIP_WILLING no FIP flags. app-fip-priority DCB_APP_FIP_PRIORITY Priority of FIP frames.
Allowed values: 0 - 7priority-flow-control-flags DCB_PFC_ENABLE, DCB_PFC_ADVERTISE, DCB_PFC_WILLING no Priority flow control flags. priority-flow-control DCB_PFC_UP Priority flow control values. String of 8 "0" and "1", where "0". means "do not transmit priority pause", "1" means "transmit pause".
Example: DCB_PFC_UP=01101110priority-group-flags DCB_PG_ENABLE, DCB_PG_ADVERTISE, DCB_PG_WILLING no Priority groups flags. priority-group-id DCB_PG_ID Priority groups values. String of eight priorities (0 - 7) or "f" (unrestricted).
Example: DCB_PG_ID=1205f173priority-group-bandwidth DCB_PG_PCT Priority groups values. Eight bandwidths (in percent), separated with commas.
Example: DCB_PG_PCT=10,5,10,15,10,10,10,30priority-bandwidth DCB_PG_UPPCT Priority values. Eight bandwidths (in percent), separated with commas. The sum of the numbers must be 100.
Example: DCB_PG_UPPCT=7,13,10,10,15,15,10,20priority-strict-bandwidth DCB_PG_STRICT Priority values. String of eight "0" or "1", where "0" means "may not utilize all bandwidth", "1" means "may utilize all bandwidth".
Example: DCB_PG_STRICT=01101110priority-traffic-class DCB_PG_UP2TC Priority values. String of eight traffic class values (0 - 7).
Example: DCB_PG_UP2TC=01623701Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description mac-address HWADDR IBoIP 20-byte hardware address of the device (in traditional hex-digits-and-colons notation). Note that for initscripts this is the current MAC address of the device as found during ifup. For NetworkManager this is the permanent MAC address. Or in case no permanent MAC address exists, the MAC address initially configured on the device.
Example: HWADDR=01:02:03:04:05:06:07:08:09:0A:01:02:03:04:05:06:07:08:09:11mtu MTU MTU of the interface. transport-mode CONNECTED_MODE CONNECTED_MODE=no CONNECTED_MODE=yes for "connected" mode, CONNECTED_MODE=no for "datagram" mode p-key PKEY_ID (and PKEY=yes) PKEY=no InfiniBand P_Key. The value can be a hex number prefixed with "0x" or a decimal number. When PKEY_ID is specified, PHYSDEV and DEVICE also must be specified.
Example: PKEY=yes PKEY_ID=2 PHYSDEV=mlx4_ib0 DEVICE=mlx4_ib0.8002parent PHYSDEV (PKEY=yes) PKEY=no InfiniBand parent device.
Example: PHYSDEV=ib0Property Ifcfg-rh Variable Default Description method BOOTPROTO none Method used for IPv4 protocol configuration.
Allowed values: none, dhcp (bootp), static, ibft, autoip, shareddns DNS1, DNS2, ... List of DNS servers. Even if NetworkManager supports many DNS servers, initscripts and resolver only care about the first three, usually.
Example: DNS1=1.2.3.4 DNS2=10.0.0.254 DNS3=8.8.8.8dns-search DOMAIN List of DNS search domains. addresses IPADDR, PREFIX, IPADDR1, PREFIX1, ... List of static IP addresses.
Example: IPADDR=10.5.5.23 PREFIX=24 IPADDR1=1.1.1.2 PREFIX1=16gateway GATEWAY Gateway IP address.
Example: GATEWAY=10.5.5.1routes ADDRESS1, NETMASK1, GATEWAY1, METRIC1, OPTIONS1, ... List of static routes. They are not stored in ifcfg-* file, but in route-* file instead. ignore-auto-routes PEERROUTES(+) yes PEERROUTES has the opposite meaning as 'ignore-auto-routes' property. ignore-auto-dns PEERDNS yes PEERDNS has the opposite meaning as 'ignore-auto-dns' property. dhcp-send-hostname DHCP_SEND_HOSTNAME(+) yes Whether DHCP_HOSTNAME should be sent to the DHCP server. dhcp-hostname DHCP_HOSTNAME Hostname to send to the DHCP server. When both DHCP_HOSTNAME and DHCP_FQDN are specified only the latter is used. never-default DEFROUTE (GATEWAYDEV in /etc/sysconfig/network) yes DEFROUTE=no tells NetworkManager that this connection should not be assigned the default route. DEFROUTE has the opposite meaning as 'never-default' property. may-fail IPV4_FAILURE_FATAL(+) no IPV4_FAILURE_FATAL has the opposite meaning as 'may-fail' property. route-metric IPV4_ROUTE_METRIC(+) -1 IPV4_ROUTE_METRIC is the default IPv4 metric for routes on this connection. If set to -1, a default metric based on the device type is used. route-table IPV4_ROUTE_TABLE(+) 0 IPV4_ROUTE_TABLE enables policy-routing and sets the default routing table. dns-options RES_OPTIONS(+) List of DNS options to be added to /etc/resolv.conf
Example: RES_OPTIONS=ndots:2 timeout:3dns-priority IPV4_DNS_PRIORITY(+) 0 The priority for DNS servers of this connection. Lower values have higher priority. If zero, the default value will be used (50 for VPNs, 100 for other connections). A negative value prevents DNS from other connections with greater values to be used.
Example: IPV4_DNS_PRIORITY=20dhcp-client-id DHCP_CLIENT_ID(+) A string sent to the DHCP server to identify the local machine. A binary value can be specified using hex notation ('aa:bb:cc').
Example: DHCP_CLIENT_ID=ax-srv-1; DHCP_CLIENT_ID=01:44:44:44:44:44:44dad-timeout ACD_TIMEOUT(+), ARPING_WAIT missing variable means global default (config override or zero) Timeout (in milliseconds for ACD_TIMEOUT or in seconds for ARPING_WAIT) for address conflict detection before configuring IPv4 addresses. 0 turns off the ACD completely, -1 means default value.
Example: ACD_TIMEOUT=2000 or ARPING_WAIT=2dhcp-timeout IPV4_DHCP_TIMEOUT(+) A timeout after which the DHCP transaction fails in case of no response.
Example: IPV4_DHCP_TIMEOUT=10dhcp-fqdn DHCP_FQDN FQDN to send to the DHCP server. When both DHCP_HOSTNAME and DHCP_FQDN are specified only the latter is used.
Example: DHCP_FQDN=foo.bar.comProperty Ifcfg-rh Variable Default Description method IPV6INIT, IPV6FORWARDING, IPV6_AUTOCONF, DHCPV6C, IPV6_DISABLED IPV6INIT=yes; IPV6FORWARDING=no; IPV6_AUTOCONF=!IPV6FORWARDING, DHCPV6=no Method used for IPv6 protocol configuration. ignore ~ IPV6INIT=no; auto ~ IPV6_AUTOCONF=yes; dhcp ~ IPV6_AUTOCONF=no and DHCPV6C=yes; disabled ~ IPV6_DISABLED=yes dns DNS1, DNS2, ... List of DNS servers. NetworkManager uses the variables both for IPv4 and IPv6. dns-search IPV6_DOMAIN(+) List of DNS search domains. addresses IPV6ADDR, IPV6ADDR_SECONDARIES List of static IP addresses.
Example: IPV6ADDR=ab12:9876::1 IPV6ADDR_SECONDARIES="ab12:9876::2 ab12:9876::3"gateway IPV6_DEFAULTGW Gateway IP address.
Example: IPV6_DEFAULTGW=abbe::1routes (none) List of static routes. They are not stored in ifcfg-* file, but in route6-* file instead in the form of command line for 'ip route add'. ignore-auto-routes IPV6_PEERROUTES(+) yes IPV6_PEERROUTES has the opposite meaning as 'ignore-auto-routes' property. ignore-auto-dns IPV6_PEERDNS(+) yes IPV6_PEERDNS has the opposite meaning as 'ignore-auto-dns' property. dhcp-hostname DHCPV6_HOSTNAME Hostname to send the DHCP server. never-default IPV6_DEFROUTE(+), (and IPV6_DEFAULTGW, IPV6_DEFAULTDEV in /etc/sysconfig/network) IPV6_DEFROUTE=yes (when no variable specified) IPV6_DEFROUTE=no tells NetworkManager that this connection should not be assigned the default IPv6 route. IPV6_DEFROUTE has the opposite meaning as 'never-default' property.
Example: DHCPV6_HOSTNAME_FLAGS=5 */may-fail IPV6_FAILURE_FATAL(+) no IPV6_FAILURE_FATAL has the opposite meaning as 'may-fail' property. route-metric IPV6_ROUTE_METRIC(+) -1 IPV6_ROUTE_METRIC is the default IPv6 metric for routes on this connection. If set to -1, a default metric based on the device type is used. route-table IPV6_ROUTE_TABLE(+) 0 IPV6_ROUTE_TABLE enables policy-routing and sets the default routing table. dns-priority IPV6_DNS_PRIORITY(+) 0 The priority for DNS servers of this connection. Lower values have higher priority. If zero, the default value will be used (50 for VPNs, 100 for other connections). A negative value prevents DNS from other connections with greater values to be used.
Example: IPV6_DNS_PRIORITY=20dns-options IPV6_RES_OPTIONS(+) List of DNS options to be added to /etc/resolv.conf
Example: IPV6_RES_OPTIONS=ndots:2 timeout:3ip6-privacy IPV6_PRIVACY, IPV6_PRIVACY_PREFER_PUBLIC_IP(+) no Configure IPv6 Privacy Extensions for SLAAC (RFC4941).
Example: IPV6_PRIVACY=rfc3041 IPV6_PRIVACY_PREFER_PUBLIC_IP=yes
Allowed values: IPV6_PRIVACY: no, yes (rfc3041 or rfc4941); IPV6_PRIVACY_PREFER_PUBLIC_IP: yes, noaddr-gen-mode IPV6_ADDR_GEN_MODE eui64 Configure IPv6 Stable Privacy addressing for SLAAC (RFC7217).
Example: IPV6_ADDR_GEN_MODE=stable-privacy
Allowed values: IPV6_ADDR_GEN_MODE: eui64, stable-privacytoken IPV6_TOKEN The IPv6 tokenized interface identifier token
Example: IPV6_TOKEN=::53dhcp-duid DHCPV6_DUID(+) A string sent to the DHCPv6 server to identify the local machine. Apart from the special values "lease", "stable-llt", "stable-ll", "stable-uuid", "llt" and "ll" a binary value in hex format is expected. An hex string where each octet is separated by a colon is also accepted.
Example: DHCPV6_DUID=LL; DHCPV6_DUID=0301deadbeef0001; DHCPV6_DUID=03:01:de:ad:be:ef:00:01Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description method PROXY_METHOD(+) none Method for proxy configuration. For "auto", WPAD is used for proxy configuration, or set the PAC file via PAC_URL or PAC_SCRIPT.
Allowed values: none, autobrowser-only BROWSER_ONLY(+) no Whether the proxy configuration is for browser only. pac-url PAC_URL(+) URL for PAC file.
Example: PAC_URL=http://wpad.mycompany.com/wpad.datpac-script PAC_SCRIPT(+) Path of the PAC script.
Example: PAC_SCRIPT=/home/joe/proxy.pacProperty Ifcfg-rh Variable Default Description total-vfs SRIOV_TOTAL_VFS(+) The total number of virtual functions to create
Example: SRIOV_TOTAL_VFS=16vfs SRIOV_VF1(+), SRIOV_VF2(+), ... SR-IOV virtual function descriptors
Example: SRIOV_VF10="mac=00:11:22:33:44:55", ...autoprobe-drivers SRIOV_AUTOPROBE_DRIVERS(+) missing variable means global default Whether to autoprobe virtual functions by a compatible driver
Example: SRIOV_AUTOPROBE_DRIVERS=0,1Property Ifcfg-rh Variable Default Description qdiscs QDISC1(+), QDISC2(+), ... Queueing disciplines
Example: QDISC1=ingress, QDISC2="root handle 1234: fq_codel"qdiscs FILTER1(+), FILTER2(+), ... Traffic filters
Example: FILTER1="parent ffff: matchall action simple sdata Input", ...Property Ifcfg-rh Variable Default Description config TEAM_PORT_CONFIG Team port configuration in JSON. See man teamd.conf for details. Property Ifcfg-rh Variable Default Description config TEAM_CONFIG Team configuration in JSON. See man teamd.conf for details. Property Ifcfg-rh Variable Default Description data NM_USER_* each key/value pair is stored as a separate variable with name composed by concatenating NM_USER_ with the encoded key. The key is encoded by substituting lowercase letters with uppercase and prepending uppercase letters with an underscore. A dot is encoded as a double underscore. Remaining characters are encoded as underscore followed by a 3 digit octal representation of the character.
Example: NM_USER_FOO__BAR=somethingProperty Ifcfg-rh Variable Default Description parent DEVICE or PHYSDEV Parent interface of the VLAN. id VLAN_ID or DEVICE VLAN identifier. flags GVRP, MVRP, VLAN_FLAGS VLAN flags.
Allowed values: "yes or "no" for GVRP and MVRP; "LOOSE_BINDING" and "NO_REORDER_HDR" for VLAN_FLAGSingress-priority-map VLAN_INGRESS_PRIORITY_MAP Ingress priority mapping.
Example: VLAN_INGRESS_PRIORITY_MAP=4:2,3:5egress-priority-map VLAN_EGRESS_PRIORITY_MAP Egress priority mapping.
Example: VLAN_EGRESS_PRIORITY_MAP=5:4,4:1,3:7interface-name PHYSDEV and VLAN_ID, or DEVICE VLAN interface name. If all variables are set, parent device from PHYSDEV takes precedence over DEVICE, but VLAN id from DEVICE takes precedence over VLAN_ID.
Example: PHYSDEV=eth0, VLAN_ID=12; or DEVICE=eth0.12Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description port (none) The property is not saved by the plugin. speed ETHTOOL_OPTS Fixed speed for the ethernet link. It is added as "speed" parameter in the ETHTOOL_OPTS variable. duplex ETHTOOL_OPTS Fixed duplex mode for the ethernet link. It is added as "duplex" parameter in the ETHOOL_OPTS variable. auto-negotiate ETHTOOL_OPTS Whether link speed and duplex autonegotiation is enabled. It is not saved only if disabled and no values are provided for the "speed" and "duplex" parameters (skips link configuration). mac-address HWADDR Hardware address of the device in traditional hex-digits-and-colons notation (e.g. 00:22:68:14:5A:05). Note that for initscripts this is the current MAC address of the device as found during ifup. For NetworkManager this is the permanent MAC address. Or in case no permanent MAC address exists, the MAC address initially configured on the device. cloned-mac-address MACADDR Cloned (spoofed) MAC address in traditional hex-digits-and-colons notation (e.g. 00:22:68:14:5A:99). generate-mac-address-mask GENERATE_MAC_ADDRESS_MASK(+) the MAC address mask for generating randomized and stable cloned-mac-address. mac-address-blacklist HWADDR_BLACKLIST(+) It denies usage of the connection for any device whose address is listed.
Example: HWADDR_BLACKLIST="00:22:68:11:69:08 00:11:22:11:44:55"mtu MTU MTU of the interface. s390-subchannels SUBCHANNELS Subchannels for IBM S390 hosts.
Example: SUBCHANNELS=0.0.b00a,0.0.b00b,0.0.b00cs390-nettype NETTYPE Network type of the S390 host.
Example: NETTYPE=qeth
Allowed values: "qeth", "lcs" or "ctc"s390-options OPTIONS and PORTNAME, CTCPROTO, S390 device options. All options go to OPTIONS, except for "portname" and "ctcprot" that have their own variables. Property Ifcfg-rh Variable Default Description Property Ifcfg-rh Variable Default Description key-mgmt KEY_MGMT(+) Key management menthod.
Allowed values: IEEE8021X, WPA-PSK, WPA-EAPwep-tx-keyidx DEFAULTKEY 1 Index of active WEP key.
Allowed values: 1, 2, 3, 4auth-alg SECURITYMODE(+) Authentication algorithm for WEP.
Allowed values: restricted, open, leapproto WPA_ALLOW_WPA(+), WPA_ALLOW_WPA2(+) no Allowed WPA protocols, WPA and WPA2 (RSN).
Allowed values: yes, nopairwise CIPHER_PAIRWISE(+) Restrict pairwise encryption algorithms, specified as a space separated list.
Allowed values: CCMP, TKIPgroup CIPHER_GROUP(+) Restrict group/broadcast encryption algorithms, specified as a space separated list.
Allowed values: CCMP, TKIP, WEP40, WEP104pmf PMF(+) Enables or disables PMF (802.11w)
Example: PMF=required
Allowed values: default, disable, optional, requiredleap-username IEEE_8021X_IDENTITY(+) Login name for LEAP. wep-key0 KEY1, KEY_PASSPHRASE1(+) The first WEP key (used in most networks). See also DEFAULTKEY for key index. wep-key1 KEY2, KEY_PASSPHRASE2(+) WEP key with index 1. See also DEFAULTKEY for key index. wep-key2 KEY3, KEY_PASSPHRASE3(+) WEP key with index 2. See also DEFAULTKEY for key index. wep-key3 KEY4, KEY_PASSPHRASE4(+) WEP key with index 3. See also DEFAULTKEY for key index. wep-key-flags WEP_KEY_FLAGS(+) Password flags for KEY<i>, KEY_PASSPHRASE<i> password. (see the section called “Secret flags” for _FLAGS values) psk WPA_PSK Pre-Shared-Key for WPA networks. psk-flags WPA_PSK_FLAGS(+) Password flags for WPA_PSK_FLAGS. (see the section called “Secret flags” for _FLAGS values)
Example: WPA_PSK_FLAGS=userleap-password IEEE_8021X_PASSWORD(+) Password for LEAP. It can also go to "key-" lookaside file, or it can be owned by a secret agent. leap-password-flags IEEE_8021X_PASSWORD_FLAGS(+) Password flags for IEEE_8021X_PASSWORD_FLAGS. (see the section called “Secret flags” for _FLAGS values) wep-key-type KEY<i> or KEY_PASSPHRASE<i>(+); KEY_TYPE(+) KEY is used for "key" type (10 or 26 hexadecimal characters, or 5 or 13 character string prefixed with "s:"). KEY_PASSPHRASE is used for WEP passphrases. KEY_TYPE specifies the key type and can be either 'key' or 'passphrase'. KEY_TYPE is redundant and can be omitted.
Example: KEY1=s:ahoj, KEY1=0a1c45bc02, KEY_PASSPHRASE1=mysupersecretkeywps-method WPS_METHOD Used to control the WPS methods to be used Valid values are "default", "auto", "disabled", "pin" and "pbc". If omitted, whatver the AP announces is used.
Example: WPS_METHOD=disabled, WPS_METHOD="pin pbc"fils FILS(+) Enables or disables FILS (802.11ai)
Example: FILS=required
Allowed values: default, disable, optional, requiredProperty Ifcfg-rh Variable Default Description ssid ESSID SSID of Wi-Fi network.
Example: ESSID="Quick Net"mode MODE Wi-Fi network mode.
Allowed values: Ad-Hoc, Managed (Auto) [case insensitive]band BAND(+) BAND alone is honored, but CHANNEL overrides BAND since it implies a band.
Example: BAND=bg
Allowed values: a, bgchannel CHANNEL Channel used for the Wi-Fi communication. Channels greater than 14 mean "a" band, otherwise the band is "bg".
Example: CHANNEL=6bssid BSSID(+) Restricts association only to a single AP.
Example: BSSID=00:1E:BD:64:83:21rate (none) This property is not handled by ifcfg-rh plugin. tx-power (none) This property is not handled by ifcfg-rh plugin. mac-address HWADDR Hardware address of the device in traditional hex-digits-and-colons notation (e.g. 00:22:68:14:5A:05). Note that for initscripts this is the current MAC address of the device as found during ifup. For NetworkManager this is the permanent MAC address. Or in case no permanent MAC address exists, the MAC address initially configured on the device. cloned-mac-address MACADDR Cloned (spoofed) MAC address in traditional hex-digits-and-colons notation (e.g. 00:22:68:14:5A:99). generate-mac-address-mask GENERATE_MAC_ADDRESS_MASK(+) the MAC address mask for generating randomized and stable cloned-mac-address. mac-address-blacklist HWADDR_BLACKLIST(+) It denies usage of the connection for any device whose address is listed. seen-bssids (none) This property is not handled by ifcfg-rh plugin. mtu MTU MTU of the wireless interface. hidden SSID_HIDDEN(+) Whether the network hides the SSID. powersave POWERSAVE(+) Enables or disables Wi-Fi power saving.
Example: POWERSAVE=enable
Allowed values: default, ignore, enable, disablemac-address-randomization MAC_ADDRESS_RANDOMIZATION(+) Enables or disables Wi-Fi MAC address randomization.
Example: MAC_ADDRESS_RANDOMIZATION=always
Allowed values: default, never, alwayssecurity (none) This property is deprecated and not handled by ifcfg-rh-plugin. Property Ifcfg-rh Variable Default Description Secret flags
Files
See Also
Referenced By