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FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 To: freebsd-net@freebsd.org Content-Language: en-GB From: Graham Perrin Subject: ifconfig_em0: DHCP NOAUTO Organization: FreeBSD Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------nLKAHfXPTlGB9rQSvLNKQNF0" X-ThisMailContainsUnwantedMimeParts: N This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------nLKAHfXPTlGB9rQSvLNKQNF0 Content-Type: multipart/mixed; boundary="------------tXLHdYSGuV85gGwnB8K725ob"; protected-headers="v1" From: Graham Perrin To: freebsd-net@freebsd.org Message-ID: <991bbedf-95af-6203-cc41-b6c7c0f917e9@freebsd.org> Subject: ifconfig_em0: DHCP NOAUTO --------------tXLHdYSGuV85gGwnB8K725ob Content-Type: multipart/alternative; boundary="------------TBjcr5CfiTsp0mZcXLU0V74I" --------------TBjcr5CfiTsp0mZcXLU0V74I Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 V2l0aCAqTk9BVVRPKiAoZm9yIHRoZSBpbnRlcmZhY2UgdG8gYmUgbipvdCogYmUgY29uZmln dXJlZCBhdCBib290KQ0KDQpXaGVuLCBzb21lIHRpbWUgYWZ0ZXIgYm9vdCwgSSAqZG8qIHdh bnQgdG8gdXNlIHRoZSBpbnRlcmZhY2UsIHdoYXQgc3RlcHMgDQphcmUgcmVxdWlyZWQgZm9y DQovdmFyL3J1bi9yZXNvbHZjb25mL2ludGVyZmFjZXMvZW0wDQp0byBiZSBjcmVhdGVkPw0K DQpFeGFtcGxlIGNvbnRleHQ6DQoNCg0KJSBkYXRlIDsgdXB0aW1lDQpTYXQgMjYgTm92IDIw MjIgMTU6MDA6MTEgR01UDQozOjAwcC5tLiDCoHVwIDEwIG1pbnMsIDggdXNlcnMsIGxvYWQg YXZlcmFnZXM6IDAuMzYsIDEuMDUsIDAuNzUNCiUgc3lzcmMgaWZjb25maWdfZW0wIGlmY29u ZmlnX3dsYW4wIGNsb25lZF9pbnRlcmZhY2VzDQppZmNvbmZpZ19lbTA6IERIQ1AgTk9BVVRP DQppZmNvbmZpZ193bGFuMDogV1BBIERIQ1ANCmNsb25lZF9pbnRlcmZhY2VzOiBnaWYwDQol IGxzIC92YXIvcnVuL3Jlc29sdmNvbmYvaW50ZXJmYWNlcy8NCndsYW4wDQolIGNhdCAvdmFy L3J1bi9yZXNvbHZjb25mL2ludGVyZmFjZXMvd2xhbjANCnNlYXJjaCBsYW4NCm5hbWVzZXJ2 ZXIgMTkyLjE2OC4xLjENCm5hbWVzZXJ2ZXIgMTkyLjE2OC4xLjENCiUgaWZjb25maWcgZW0w IHwgZ3JlcCAtZSBpbmV0IC1lIHN0YXR1cw0KIMKgwqDCoMKgwqDCoMKgaW5ldCAxOTIuMTY4 LjEuMTAgbmV0bWFzayAweGZmZmZmZjAwIGJyb2FkY2FzdCAxOTIuMTY4LjEuMjU1DQogwqDC oMKgwqDCoMKgwqBzdGF0dXM6IGFjdGl2ZQ0KJSBzdSAtDQpQYXNzd29yZDoNCnJvb3RAbW93 YTIxOS1nanA0LTg1NzBwLWZyZWVic2Q6fiAjIGdyZXAgZW0wIC92YXIvbG9nL2RtZXNnLnRv ZGF5IHwgZ3JlcCANCi12IC1lIHVtb2RlbTAgLWUgYWRkcmVzcw0KZW0wOiA8SW50ZWwoUikg ODI1NzlMTT4gcG9ydCAweDMwMjAtMHgzMDNmIG1lbSANCjB4ZDA0MDAwMDAtMHhkMDQxZmZm ZiwweGQwNDNhMDAwLTB4ZDA0M2FmZmYgYXQgZGV2aWNlIDI1LjAgb24gcGNpMA0KZW0wOiBF RVBST00gVjAuMTUtNA0KZW0wOiBVc2luZyAxMDI0IFRYIGRlc2NyaXB0b3JzIGFuZCAxMDI0 IFJYIGRlc2NyaXB0b3JzDQplbTA6IFVzaW5nIGFuIE1TSSBpbnRlcnJ1cHQNCmVtMDogbmV0 bWFwIHF1ZXVlcy9zbG90czogVFggMS8xMDI0LCBSWCAxLzEwMjQNCmFoY2llbTA6IDxBSENJ IGVuY2xvc3VyZSBtYW5hZ2VtZW50IGJyaWRnZT4gb24gYWhjaTANCnNlczAgYXQgYWhjaWVt MCBidXMgMCBzY2J1czIgdGFyZ2V0IDAgbHVuIDANCmVtMDogbGluayBzdGF0ZSBjaGFuZ2Vk IHRvIFVQDQpkZWJ1Z25ldF9hbnlfaWZuZXRfdXBkYXRlOiBCYWQgZG5faW5pdCByZXN1bHQg ZnJvbSBlbTAgKGlmcCANCjB4ZmZmZmY4MDAwMWI4ODAwMCksIGlnbm9yaW5nLg0KZW0wOiBs aW5rIHN0YXRlIGNoYW5nZWQgdG8gRE9XTg0KZW0wOiBsaW5rIHN0YXRlIGNoYW5nZWQgdG8g VVANCmVtMDogbGluayBzdGF0ZSBjaGFuZ2VkIHRvIERPV04NCmVtMDogbGluayBzdGF0ZSBj aGFuZ2VkIHRvIFVQDQpyb290QG1vd2EyMTktZ2pwNC04NTcwcC1mcmVlYnNkOn4gIw0KDQoN CmdpZjAgaXMgc29tZXRpbWVzIHVzZWQgZm9yIGEgdHVubmVsIGJldHdlZW4gMTkyLjE2OC4x LjEwIGFuZCBhbiBJUHY2IA0KdHVubmVsIGJyb2tlci4NCg0K --------------TBjcr5CfiTsp0mZcXLU0V74I Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

With NOAUTO (for the interface to be not be configured at boot)

When, some time after boot, I do want to use the interface, what steps are required for
/var/run/resolvconf/interfaces/em0 =
to be created?=C2=A0

Example context:


% date ; uptime
Sat 26 Nov 2022 15:00:11 GMT
3:00p.m. =C2=A0up 10 mins, 8 users, load averages: 0.36, 1.05, 0.= 75
% sysrc ifconfig_em0 ifconfig_wlan0 cloned_interfaces
ifconfig_em0: DHCP NOAUTO
ifconfig_wlan0: WPA DHCP
cloned_interfaces: gif0
% ls /var/run/resolvconf/interfaces/
wlan0
% cat /var/run/resolvconf/interfaces/wlan0
search lan
nameserver 192.168.1.1
nameserver 192.168.1.1
% ifconfig em0 | grep -e inet -e status
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0inet 192.168.1.10 netma= sk 0xffffff00 broadcast 192.168.1.255
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0status: active
% su -
Password:
root@mowa219-gjp4-8570p-freebsd:~ # grep em0 /var/log/dmesg.today | grep -v -e umodem0 -e address
em0: <Intel(R) 82579LM> port 0x3020-0x303f mem 0xd0400000-0xd041ffff,0xd043a000-0xd043afff at device 25.0 on pci0
em0: EEPROM V0.15-4
em0: Using 1024 TX descriptors and 1024 RX descriptors
em0: Using an MSI interrupt
em0: netmap queues/slots: TX 1/1024, RX 1/1024
ahciem0: <AHCI enclosure management bridge> on ahci0
ses0 at ahciem0 bus 0 scbus2 target 0 lun 0
em0: link state changed to UP
debugnet_any_ifnet_update: Bad dn_init result from em0 (ifp 0xfffff80001b88000), ignoring.
em0: link state changed to DOWN
em0: link state changed to UP
em0: link state changed to DOWN
em0: link state changed to UP
root@mowa219-gjp4-8570p-freebsd:~ #


gif0 is sometimes used for a tunnel between 192.168.1.10<= /span> and an IPv6 tunnel broker.

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