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인터페이스

이 배포의 CE 한 대에서 2026-07-28에 캡처되었습니다. sitecli/capture-manifest.json에 어떤 노드였는지 기록되어 있으며, scripts/capture-sitecli.sh --check는 실제 CE를 대상으로 명령 표면을 다시 검증합니다.

이 명령들은 커널의 관점을 보고합니다. Argo 데이터 플레인은 vif를 통해 볼 수 있는 자체적인 관점을 유지하며, 둘은 서로 일치하지 않을 수 있습니다.

ip 하위 명령을 받습니다. addr가 일반적으로 사용되며, route, link, neigh도 동작합니다.

Terminal window
{"command":["ip","addr"]}
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: a-i-eth0: <BROADCAST,MULTICAST,ALLMULTI,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 60:45:bd:eb:3f:f2 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 60:45:bd:eb:38:ea brd ff:ff:ff:ff:ff:ff
inet 10.0.2.4/26 brd 10.0.2.63 scope global noprefixroute eth1
valid_lft forever preferred_lft forever
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 60:45:bd:eb:3d:f3 brd ff:ff:ff:ff:ff:ff
inet 10.0.3.4/26 brd 10.0.3.63 scope global noprefixroute eth2
valid_lft forever preferred_lft forever
inet6 fe80::55af:2cd4:23a1:7e06/64 scope link noprefixroute
valid_lft forever preferred_lft forever
5: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
link/ether 62:61:2b:33:cd:42 brd ff:ff:ff:ff:ff:ff
inet 100.64.255.1/29 brd 100.64.255.7 scope global docker0
valid_lft forever preferred_lft forever
10: tap_eth0: <BROADCAST,MULTICAST,ALLMULTI,UP,LOWER_UP> mtu 1500 qdisc multiq state UNKNOWN group default qlen 1000
link/ether 60:45:bd:eb:3f:f2 brd ff:ff:ff:ff:ff:ff
11: vhost0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
link/ether 60:45:bd:eb:3f:f2 brd ff:ff:ff:ff:ff:ff
inet 10.0.1.4/26 brd 10.0.1.63 scope global noprefixroute vhost0
valid_lft forever preferred_lft forever
13: vethfrr0@if12: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 02:01:02:03:04:05 brd ff:ff:ff:ff:ff:ff link-netns frrns
15: argo-envoy-0@if14: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1520 qdisc noqueue state UP group default qlen 1000
link/ether 00:00:5e:00:01:00 brd ff:ff:ff:ff:ff:ff link-netns envoy-ns
17: host-envoy-0@if16: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether ee:95:ea:b5:8c:2a brd ff:ff:ff:ff:ff:ff link-netns envoy-ns
inet 169.254.100.1/30 scope global host-envoy-0
valid_lft forever preferred_lft forever
18: xc-br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether aa:db:2f:e1:15:2c brd ff:ff:ff:ff:ff:ff
19: argo-end@xc-br0-end: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 76:e0:23:f6:48:8b brd ff:ff:ff:ff:ff:ff
20: xc-br0-end@argo-end: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master xc-br0 state UP group default qlen 1000
link/ether aa:db:2f:e1:15:2c brd ff:ff:ff:ff:ff:ff
22: linkquality0@if21: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 590 qdisc noqueue state UP group default
link/ether 00:00:5e:00:01:00 brd ff:ff:ff:ff:ff:ff link-netns ns-link-quality
24: vethbfd0@if23: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 00:00:5e:00:01:00 brd ff:ff:ff:ff:ff:ff link-netns bfdns
25: keepalived-tap: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 32:1d:e4:ae:46:0e brd ff:ff:ff:ff:ff:ff
inet 169.254.10.13/30 brd 169.254.10.15 scope global keepalived-tap
valid_lft forever preferred_lft forever
27: vethdnsmasq0@if26: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 02:01:02:03:04:07 brd ff:ff:ff:ff:ff:ff link-netnsid 4
inet 169.254.254.103/32 brd 169.254.255.255 scope global vethdnsmasq0
valid_lft forever preferred_lft forever

CE는 설계상 세 개의 Azure NIC — 관리/SLO, 외부, 내부/SLI — 를 갖지만, 게스트는 그 순서가 암시하는 방식으로 이들을 제공하지 않으며, 바로 이 지점에서 출력을 잘못 읽으면 시간을 낭비하게 됩니다.

게스트에서담당하는 것
a-i-eth0주소가 전혀 없음 — 이름이 변경된 물리 eth0이며, Argo 데이터 플레인이 소유합니다
vhost0관리/SLO 주소로, BGP가 피어링하는 주소이자 사이트 객체가 보고하는 주소입니다
eth1eth2외부 및 내부/SLI 주소 — 다만 순서가 고정되어 있지 않습니다

a-i-eth0가 주소를 갖지 않는다는 점은 관리 주소에서 sshd에 도달할 수 없는 이유 그 자체이기도 합니다: 포트가 차단된 것이 아니라 거기에 리스너가 없습니다. SSH를 참조하십시오.

링크 계층만: 상태, MTU, 큐잉 규율, MAC.

Terminal window
{"command":["ip-link-show"]}
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: a-i-eth0: <BROADCAST,MULTICAST,ALLMULTI,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 60:45:bd:eb:3f:f2 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 60:45:bd:eb:38:ea brd ff:ff:ff:ff:ff:ff
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 60:45:bd:eb:3d:f3 brd ff:ff:ff:ff:ff:ff
5: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default
link/ether 62:61:2b:33:cd:42 brd ff:ff:ff:ff:ff:ff
10: tap_eth0: <BROADCAST,MULTICAST,ALLMULTI,UP,LOWER_UP> mtu 1500 qdisc multiq state UNKNOWN mode DEFAULT group default qlen 1000
link/ether 60:45:bd:eb:3f:f2 brd ff:ff:ff:ff:ff:ff
11: vhost0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN mode DEFAULT group default qlen 1000
link/ether 60:45:bd:eb:3f:f2 brd ff:ff:ff:ff:ff:ff
13: vethfrr0@if12: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 02:01:02:03:04:05 brd ff:ff:ff:ff:ff:ff link-netns frrns
15: argo-envoy-0@if14: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1520 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 00:00:5e:00:01:00 brd ff:ff:ff:ff:ff:ff link-netns envoy-ns
17: host-envoy-0@if16: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether ee:95:ea:b5:8c:2a brd ff:ff:ff:ff:ff:ff link-netns envoy-ns
18: xc-br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether aa:db:2f:e1:15:2c brd ff:ff:ff:ff:ff:ff
19: argo-end@xc-br0-end: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 76:e0:23:f6:48:8b brd ff:ff:ff:ff:ff:ff
20: xc-br0-end@argo-end: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master xc-br0 state UP mode DEFAULT group default qlen 1000
link/ether aa:db:2f:e1:15:2c brd ff:ff:ff:ff:ff:ff
22: linkquality0@if21: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 590 qdisc noqueue state UP mode DEFAULT group default
link/ether 00:00:5e:00:01:00 brd ff:ff:ff:ff:ff:ff link-netns ns-link-quality
24: vethbfd0@if23: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 00:00:5e:00:01:00 brd ff:ff:ff:ff:ff:ff link-netns bfdns
25: keepalived-tap: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
link/ether 32:1d:e4:ae:46:0e brd ff:ff:ff:ff:ff:ff
27: vethdnsmasq0@if26: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 02:01:02:03:04:07 brd ff:ff:ff:ff:ff:ff link-netnsid 4

“링크가 올라와 있는가, MTU는 무엇인가”가 질문일 때는 ip addr보다 빠릅니다. MTU 불일치는 터널이 수립되지만 트래픽이 전달되지 않는 원인으로 반복적으로 나타납니다.

섹션 제목: “ip-link-set ”

인터페이스 또는 그룹을 up 또는 down 상태로 만듭니다.

ip-link-set (<device>||<group>) (up||down)