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February 14, 2017 17:50
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| ______________________________________________________________ | |
| k8s+contiv BGP peering setup | |
| Status: | |
| - able to peer with ASR1K route-reflector | |
| - able to see reflected routes in k8s netctl bgp output | |
| - NOT able to see k8s pod routes in ASR1K | |
| ------------------------------------------------------- | |
| BGP peering test setup: | |
| ASR1K | |
| bgp AS 64511 | |
| \ | |
| vrf harmony | |
| route-reflector | |
| / | |
| +------+-------+.................+ | |
| | | | | | |
| node1 node2 node3 openstack peer | |
| ------------ (172.16.0.200) | |
| k8s+contiv | |
| (192.168.35.x) | |
| node1 = hostname bxb-mercury-control-2 (kubemaster+minion / netmaster) | |
| node2 = hostname bxb-mercury-control-3 (minion) | |
| node3 = hostname bxb-mercury-control-1 (minion) | |
| ---------------- | |
| ASR1K config: | |
| ---------------- | |
| vrf definition harmony | |
| rd 172.16.0.1:1 | |
| ! | |
| address-family ipv4 | |
| exit-address-family | |
| ! | |
| interface GigabitEthernet0/2/0.3150 | |
| encapsulation dot1Q 3150 | |
| vrf forwarding harmony | |
| ip address 192.168.35.1 255.255.255.0 | |
| ! | |
| router bgp 64511 | |
| bgp router-id 172.16.0.1 | |
| bgp log-neighbor-changes | |
| ! | |
| address-family ipv4 vrf harmony | |
| neighbor 172.16.0.200 remote-as 64511 | |
| neighbor 172.16.0.200 activate | |
| neighbor 172.16.0.200 route-reflector-client | |
| neighbor 192.168.35.2 remote-as 64511 | |
| neighbor 192.168.35.2 activate | |
| neighbor 192.168.35.2 route-reflector-client | |
| neighbor 192.168.35.3 remote-as 64511 | |
| neighbor 192.168.35.3 activate | |
| neighbor 192.168.35.3 route-reflector-client | |
| neighbor 192.168.35.4 remote-as 64511 | |
| neighbor 192.168.35.4 activate | |
| neighbor 192.168.35.4 route-reflector-client | |
| exit-address-family | |
| ! | |
| --------------------- | |
| k8s + contiv procedure | |
| - NOTE: initially I forgot to setup the default epg after the net-create | |
| - I created epg and deleted the pod deployment and redeployed it | |
| (see the troubleshooting section II.) | |
| --------------------- | |
| git clone https://github.com/contiv/netplugin | |
| get contiv.yaml from: | |
| https://raw.githubusercontent.com/neelimamukiri/netplugin/k8s_aci_yaml/install/k8s/contiv/contiv.yaml | |
| - set netmaster IP and VLAN_IF in contiv.yaml | |
| > kubectl apply -f contiv.yaml | |
| # wait a few mins for containers to come up | |
| > netctl global set --fwd-mode routing | |
| # check global info | |
| > netctl global info | |
| # setup bgp peering to ASR1K RR (192.168.35.1) | |
| > netctl bgp create bxb-mercury-control-2 --router-ip="192.168.35.2/24" --as="64511" --neighbor-as="64511" --neighbor="192.168.35.1" | |
| # check on peering on ASR1K | |
| --- | |
| bxb-os-asr1k-2#sh ip bgp all summary | |
| For address family: VPNv4 Unicast | |
| BGP router identifier 172.16.0.1, local AS number 64511 | |
| BGP table version is 24, main routing table version 24 | |
| 1 network entries using 256 bytes of memory | |
| 1 path entries using 120 bytes of memory | |
| 1/1 BGP path/bestpath attribute entries using 264 bytes of memory | |
| 0 BGP route-map cache entries using 0 bytes of memory | |
| 0 BGP filter-list cache entries using 0 bytes of memory | |
| BGP using 640 total bytes of memory | |
| BGP activity 10/9 prefixes, 12/11 paths, scan interval 60 secs | |
| Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd | |
| 172.16.0.200 4 64511 87 92 24 0 0 00:18:20 1 | |
| 192.168.34.3 4 64511 0 0 1 0 0 6d22h Idle | |
| 192.168.34.4 4 64511 0 0 1 0 0 6d22h Idle | |
| 192.168.34.5 4 64511 0 0 1 0 0 6d22h Idle | |
| 192.168.35.2 4 64511 3 5 24 0 0 00:00:55 0 | |
| --- | |
| NOTE: 192.168.35.2 is up | |
| -------------------------- | |
| # join other minions and wait for contiv-netplugin pods to come up | |
| # setup bgp peering of other minion nodes to ASR1K RR (192.168.35.1) | |
| > netctl bgp create bxb-mercury-control-3 --router-ip="192.168.35.3/24" --as="64511" --neighbor-as="64511" --neighbor="192.168.35.1" | |
| > netctl bgp create bxb-mercury-control-1 --router-ip="192.168.35.4/24" --as="64511" --neighbor-as="64511" --neighbor="192.168.35.1" | |
| # check on peering on ASR1K | |
| --- | |
| bxb-os-asr1k-2#sh ip bgp vpnv4 all summ | |
| BGP router identifier 172.16.0.1, local AS number 64511 | |
| BGP table version is 24, main routing table version 24 | |
| 1 network entries using 256 bytes of memory | |
| 1 path entries using 120 bytes of memory | |
| 1/1 BGP path/bestpath attribute entries using 264 bytes of memory | |
| 0 BGP route-map cache entries using 0 bytes of memory | |
| 0 BGP filter-list cache entries using 0 bytes of memory | |
| BGP using 640 total bytes of memory | |
| BGP activity 10/9 prefixes, 12/11 paths, scan interval 60 secs | |
| Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd | |
| 172.16.0.200 4 64511 165 173 24 0 0 00:35:13 1 | |
| 192.168.34.3 4 64511 0 0 1 0 0 6d22h Idle | |
| 192.168.34.4 4 64511 0 0 1 0 0 6d22h Idle | |
| 192.168.34.5 4 64511 0 0 1 0 0 6d22h Idle | |
| 192.168.35.2 4 64511 37 42 24 0 0 00:17:48 0 | |
| 192.168.35.3 4 64511 3 4 24 0 0 00:00:40 0 | |
| 192.168.35.4 4 64511 2 4 24 0 0 00:00:19 0 | |
| --- | |
| NOTE: 192.168.35.2, 3, 4 are up | |
| -------------------------------- | |
| # check the VRF harmony routing table (NOTE the 192.168.2.0/24 route) | |
| bxb-os-asr1k-2#sh ip route vrf harmony | |
| Routing Table: harmony | |
| Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP | |
| D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area | |
| N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 | |
| E1 - OSPF external type 1, E2 - OSPF external type 2 | |
| i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 | |
| ia - IS-IS inter area, * - candidate default, U - per-user static route | |
| o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP | |
| a - application route | |
| + - replicated route, % - next hop override, p - overrides from PfR | |
| Gateway of last resort is not set | |
| 172.16.0.0/16 is variably subnetted, 4 subnets, 2 masks | |
| C 172.16.0.0/24 is directly connected, GigabitEthernet0/2/0.412 | |
| L 172.16.0.1/32 is directly connected, GigabitEthernet0/2/0.412 | |
| C 172.16.1.0/24 is directly connected, GigabitEthernet0/2/0.418 | |
| L 172.16.1.1/32 is directly connected, GigabitEthernet0/2/0.418 | |
| B 192.168.2.0/24 [200/0] via 172.16.0.6, 00:23:54 | |
| 192.168.34.0/24 is variably subnetted, 2 subnets, 2 masks | |
| C 192.168.34.0/24 is directly connected, GigabitEthernet0/2/0.3260 | |
| L 192.168.34.1/32 is directly connected, GigabitEthernet0/2/0.3260 | |
| 192.168.35.0/24 is variably subnetted, 2 subnets, 2 masks | |
| C 192.168.35.0/24 is directly connected, GigabitEthernet0/2/0.3150 | |
| L 192.168.35.1/32 is directly connected, GigabitEthernet0/2/0.3150 | |
| ----------------------------------------------------- | |
| # Contiv BGP status bgp status for all the nodes | |
| ----------------------------------------------------- | |
| [root@bxb-mercury-control-2 ~]# netctl bgp inspect bxb-mercury-control-2 | |
| netctl. Inspecting bgp: bxb-mercury-control-2 | |
| { | |
| "Config": { | |
| "key": "bxb-mercury-control-2", | |
| "as": "64511", | |
| "hostname": "bxb-mercury-control-2", | |
| "neighbor": "192.168.35.1", | |
| "neighbor-as": "64511", | |
| "routerip": "192.168.35.2/24" | |
| }, | |
| "Oper": { | |
| "adminStatus": "ADMIN_STATE_UP", | |
| "neighborStatus": "established", | |
| "numRoutes": 1, | |
| "routes": [ | |
| "192.168.2.0/24" | |
| ] | |
| } | |
| } | |
| [root@bxb-mercury-control-2 ~]# netctl bgp inspect bxb-mercury-control-1 | |
| netctl. Inspecting bgp: bxb-mercury-control-1 | |
| { | |
| "Config": { | |
| "key": "bxb-mercury-control-1", | |
| "as": "64511", | |
| "hostname": "bxb-mercury-control-1", | |
| "neighbor": "192.168.35.1", | |
| "neighbor-as": "64511", | |
| "routerip": "192.168.35.4/24" | |
| }, | |
| "Oper": { | |
| "adminStatus": "ADMIN_STATE_UP", | |
| "neighborStatus": "established", | |
| "numRoutes": 1, | |
| "routes": [ | |
| "192.168.2.0/24" | |
| ] | |
| } | |
| } | |
| [root@bxb-mercury-control-2 ~]# netctl bgp inspect bxb-mercury-control-3 | |
| netctl. Inspecting bgp: bxb-mercury-control-3 | |
| { | |
| "Config": { | |
| "key": "bxb-mercury-control-3", | |
| "as": "64511", | |
| "hostname": "bxb-mercury-control-3", | |
| "neighbor": "192.168.35.1", | |
| "neighbor-as": "64511", | |
| "routerip": "192.168.35.3/24" | |
| }, | |
| "Oper": { | |
| "adminStatus": "ADMIN_STATE_UP", | |
| "neighborStatus": "established", | |
| "numRoutes": 1, | |
| "routes": [ | |
| "192.168.2.0/24" | |
| ] | |
| } | |
| } | |
| ----- | |
| NOTE: You can see the openstack 192.168.2.0/24 route was propogated from the ASR | |
| --------------------------- | |
| ______________________________________________________________ | |
| Create a default network and create a pod deployment | |
| ______________________________________________________________ | |
| # create a default-net | |
| [root@bxb-mercury-control-2 deployments]# netctl net create -t default --subnet=192.171.0.0/24 --gateway=192.171.0.254 --encap="vlan" default-net | |
| Creating network default:default-net | |
| # create a nginx pod deployment across 2 nodes (replica-set) | |
| [root@bxb-mercury-control-2 ~]# cat test/deployments/my-nginx.yaml | |
| apiVersion: extensions/v1beta1 | |
| kind: Deployment | |
| metadata: | |
| name: my-nginx | |
| spec: | |
| replicas: 2 | |
| template: | |
| metadata: | |
| labels: | |
| run: my-nginx | |
| spec: | |
| containers: | |
| - name: my-nginx | |
| image: nginx | |
| ports: | |
| - containerPort: 80 | |
| [root@bxb-mercury-control-2 deployments]# kubectl create -f /root/test/deployments/my-nginx.yaml | |
| deployment "my-nginx" created | |
| [root@bxb-mercury-control-2 deployments]# kubectl get pods -o wide | |
| NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE | |
| default my-nginx-379829228-f7w0x 0/1 ContainerCreating 0 18s <none> bxb-mercury-control-1 | |
| default my-nginx-379829228-j8b7x 0/1 ContainerCreating 0 18s <none> bxb-mercury-control-2 | |
| # ...wait until they're up... | |
| [root@bxb-mercury-control-2 deployments]# kubectl get pods -o wide | |
| NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE | |
| default my-nginx-379829228-f7w0x 1/1 Running 0 1m 192.171.0.2 bxb-mercury-control-1 | |
| default my-nginx-379829228-j8b7x 1/1 Running 0 1m 192.171.0.3 bxb-mercury-control-2 | |
| # Look for routes in the ASR1K | |
| ---- | |
| bxb-os-asr1k-2#sh ip route vrf harmony | |
| Routing Table: harmony | |
| Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP | |
| D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area | |
| N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 | |
| E1 - OSPF external type 1, E2 - OSPF external type 2 | |
| i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 | |
| ia - IS-IS inter area, * - candidate default, U - per-user static route | |
| o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP | |
| a - application route | |
| + - replicated route, % - next hop override, p - overrides from PfR | |
| Gateway of last resort is not set | |
| 172.16.0.0/16 is variably subnetted, 4 subnets, 2 masks | |
| C 172.16.0.0/24 is directly connected, GigabitEthernet0/2/0.412 | |
| L 172.16.0.1/32 is directly connected, GigabitEthernet0/2/0.412 | |
| C 172.16.1.0/24 is directly connected, GigabitEthernet0/2/0.418 | |
| L 172.16.1.1/32 is directly connected, GigabitEthernet0/2/0.418 | |
| B 192.168.2.0/24 [200/0] via 172.16.0.6, 01:59:51 | |
| 192.168.34.0/24 is variably subnetted, 2 subnets, 2 masks | |
| C 192.168.34.0/24 is directly connected, GigabitEthernet0/2/0.3260 | |
| L 192.168.34.1/32 is directly connected, GigabitEthernet0/2/0.3260 | |
| 192.168.35.0/24 is variably subnetted, 2 subnets, 2 masks | |
| C 192.168.35.0/24 is directly connected, GigabitEthernet0/2/0.3150 | |
| L 192.168.35.1/32 is directly connected, GigabitEthernet0/2/0.3150 | |
| ---- | |
| OH NO!!! no routes for the pods 192.171.0.0/24 | |
| ----------------- | |
| # check ping between pods | |
| [root@bxb-mercury-control-2 deployments]# kubectl exec my-nginx-379829228-j8b7x -- ping -c3 192.171.0.2 | |
| PING 192.171.0.2 (192.171.0.2): 56 data bytes | |
| --- 192.171.0.2 ping statistics --- | |
| 3 packets transmitted, 0 packets received, 100% packet loss | |
| # --- NOPE! something's not right --- | |
| ________________________________________________________________ | |
| Troubleshooting | |
| ________________________________________________________________ | |
| [root@bxb-mercury-control-2 deployments]# kubectl get pods -o wide --all-namespaces | |
| NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE | |
| default my-nginx-379829228-f7w0x 1/1 Running 0 1m 192.171.0.2 bxb-mercury-control-1 | |
| default my-nginx-379829228-j8b7x 1/1 Running 0 1m 192.171.0.3 bxb-mercury-control-2 | |
| kube-system contiv-etcd-shwxq 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system contiv-netmaster-xd914 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system contiv-netplugin-4x6tl 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system contiv-netplugin-l5p20 1/1 Running 0 23m 172.19.80.26 bxb-mercury-control-1 | |
| kube-system contiv-netplugin-ns7m7 1/1 Running 0 23m 172.19.80.24 bxb-mercury-control-3 | |
| kube-system dummy-2088944543-05vm1 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system etcd-bxb-mercury-control-2 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-apiserver-bxb-mercury-control-2 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-controller-manager-bxb-mercury-control-2 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-discovery-1769846148-rhpm1 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-dns-2924299975-sglqn 3/4 Running 9 17h 192.171.0.1 bxb-mercury-control-2 | |
| kube-system kube-proxy-4t5qn 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-proxy-7gnp1 1/1 Running 0 23m 172.19.80.24 bxb-mercury-control-3 | |
| kube-system kube-proxy-wwk8b 1/1 Running 0 23m 172.19.80.26 bxb-mercury-control-1 | |
| kube-system kube-scheduler-bxb-mercury-control-2 1/1 Running 0 17h 172.19.80.22 bxb-mercury-control-2 | |
| ----------------------------------------- | |
| Section I. Prior to default epg create | |
| ----------------------------------------- | |
| [root@bxb-mercury-control-2 deployments]# netctl net inspect default-net | |
| Inspeting network: default-net tenant: default | |
| { | |
| "Config": { | |
| "key": "default:default-net", | |
| "encap": "vlan", | |
| "gateway": "192.171.0.254", | |
| "networkName": "default-net", | |
| "nwType": "data", | |
| "subnet": "192.171.0.0/24", | |
| "tenantName": "default", | |
| "link-sets": {}, | |
| "links": { | |
| "Tenant": { | |
| "type": "tenant", | |
| "key": "default" | |
| } | |
| } | |
| }, | |
| "Oper": { | |
| "allocatedAddressesCount": 3, | |
| "allocatedIPAddresses": "192.171.0.1-192.171.0.3, 192.171.0.254", | |
| "availableIPAddresses": "192.171.0.4-192.171.0.253", | |
| "endpoints": [ | |
| { | |
| "containerName": "my-nginx-379829228-f7w0x", | |
| "endpointID": "170292e955d6ae6950a2e63b996ad1236cf32edf885dec2d27298c5275d97135", | |
| "homingHost": "bxb-mercury-control-1", | |
| "ipAddress": [ | |
| "192.171.0.2", | |
| "" | |
| ], | |
| "labels": "map[]", | |
| "macAddress": "02:02:c0:ab:00:02", | |
| "network": "default-net.default" | |
| }, | |
| { | |
| "containerName": "my-nginx-379829228-j8b7x", | |
| "endpointID": "7172dcbf73b1cf2442bf2dbcf3528232716a0f420270212d8893ac1bd34f5836", | |
| "homingHost": "bxb-mercury-control-2", | |
| "ipAddress": [ | |
| "192.171.0.3", | |
| "" | |
| ], | |
| "labels": "map[]", | |
| "macAddress": "02:02:c0:ab:00:03", | |
| "network": "default-net.default" | |
| }, | |
| { | |
| "containerName": "kube-dns-2924299975-sglqn", | |
| "endpointID": "1134d32a231fe22b4f946518a6c3987f025663893440666ab7d0b2b09c9b0430", | |
| "homingHost": "bxb-mercury-control-2", | |
| "ipAddress": [ | |
| "192.171.0.1", | |
| "" | |
| ], | |
| "labels": "map[]", | |
| "macAddress": "02:02:c0:ab:00:01", | |
| "network": "default-net.default" | |
| } | |
| ], | |
| "numEndpoints": 3, | |
| "pktTag": 1 | |
| } | |
| } | |
| ----------------------------------------------- | |
| Check inside one of the nginx containers | |
| [root@bxb-mercury-control-2 deployments]# kubectl exec -it my-nginx-379829228-j8b7x -- /bin/sh | |
| # ip a | |
| 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 | |
| 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 | |
| inet6 ::1/128 scope host | |
| valid_lft forever preferred_lft forever | |
| 27: eth0@if26: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default | |
| link/ether 02:02:c0:ab:00:03 brd ff:ff:ff:ff:ff:ff | |
| inet 192.171.0.3/24 scope global eth0 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::2:c0ff:feab:3/64 scope link | |
| valid_lft forever preferred_lft forever | |
| # ip route | |
| default via 192.171.0.254 dev eth0 | |
| 192.171.0.0/24 dev eth0 proto kernel scope link src 192.171.0.3 | |
| # ping 192.171.0.254 | |
| PING 192.171.0.254 (192.171.0.254): 56 data bytes | |
| ^C--- 192.171.0.254 ping statistics --- | |
| 4 packets transmitted, 0 packets received, 100% packet loss | |
| # ^C | |
| # exit | |
| --------------------------------------------------------- | |
| Check inside one of the contiv netplugin containers | |
| [root@bxb-mercury-control-2 deployments]# kubectl exec -it contiv-netplugin-4x6tl -n kube-system -- /bin/sh | |
| # ip a | |
| 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 | |
| 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 | |
| inet6 ::1/128 scope host | |
| valid_lft forever preferred_lft forever | |
| 2: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond_lacp state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:89 brd ff:ff:ff:ff:ff:ff | |
| 3: eth1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond_lacp state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:89 brd ff:ff:ff:ff:ff:ff | |
| 4: p0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master p state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:8d brd ff:ff:ff:ff:ff:ff | |
| 5: p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master p state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:8d brd ff:ff:ff:ff:ff:ff | |
| 6: mx0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master mx state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:8f brd ff:ff:ff:ff:ff:ff | |
| 7: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 | |
| link/ether 70:e4:22:83:90:d2 brd ff:ff:ff:ff:ff:ff | |
| 8: mx1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master mx state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:8f brd ff:ff:ff:ff:ff:ff | |
| 9: t0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master t state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:91 brd ff:ff:ff:ff:ff:ff | |
| 10: t1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master t state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:91 brd ff:ff:ff:ff:ff:ff | |
| 11: eno2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 | |
| link/ether 70:e4:22:83:90:d3 brd ff:ff:ff:ff:ff:ff | |
| 12: bond0: <BROADCAST,MULTICAST,MASTER> mtu 1500 qdisc noop state DOWN group default qlen 1000 | |
| link/ether e6:c6:2d:f9:7a:c5 brd ff:ff:ff:ff:ff:ff | |
| 13: bond_lacp: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:89 brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::5aac:78ff:fe02:9c89/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 14: mx: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:8f brd ff:ff:ff:ff:ff:ff | |
| inet 172.19.80.22/24 brd 172.19.80.255 scope global mx | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::5aac:78ff:fe02:9c8f/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 15: p: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:8d brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::5aac:78ff:fe02:9c8d/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 16: t: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue master ovs-system state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:9c:91 brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::5aac:78ff:fe02:9c91/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 17: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default | |
| link/ether 02:42:a6:69:b9:f9 brd ff:ff:ff:ff:ff:ff | |
| inet 172.17.0.1/16 scope global docker0 | |
| valid_lft forever preferred_lft forever | |
| 18: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 | |
| link/ether ae:45:31:26:db:e2 brd ff:ff:ff:ff:ff:ff | |
| 21: contivh0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 | |
| link/ether 02:02:ac:14:ff:fe brd ff:ff:ff:ff:ff:ff | |
| inet 172.20.255.254/16 scope global contivh0 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::2:acff:fe14:fffe/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 22: inb01: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 | |
| link/ether de:29:77:4d:61:af brd ff:ff:ff:ff:ff:ff | |
| inet 192.168.35.2/24 scope global inb01 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::dc29:77ff:fe4d:61af/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 23: vxlan_sys_4789: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65470 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000 | |
| link/ether a2:88:ea:7a:e7:6a brd ff:ff:ff:ff:ff:ff | |
| 24: vvport1@if25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP group default | |
| link/ether d2:ca:84:3f:d7:96 brd ff:ff:ff:ff:ff:ff link-netnsid 0 | |
| inet6 fe80::d0ca:84ff:fe3f:d796/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 26: vvport2@if27: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP group default | |
| link/ether 1e:77:7f:c1:07:94 brd ff:ff:ff:ff:ff:ff link-netnsid 1 | |
| inet6 fe80::1c77:7fff:fec1:794/64 scope link | |
| valid_lft forever preferred_lft forever | |
| # ip route | |
| default via 172.19.80.1 dev mx | |
| 169.254.0.0/16 dev bond_lacp scope link metric 1013 | |
| 169.254.0.0/16 dev mx scope link metric 1014 | |
| 169.254.0.0/16 dev p scope link metric 1015 | |
| 172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 | |
| 172.19.80.0/24 dev mx proto kernel scope link src 172.19.80.22 | |
| 172.20.0.0/16 dev contivh0 proto kernel scope link src 172.20.255.254 | |
| 192.168.35.0/24 dev inb01 proto kernel scope link src 192.168.35.2 | |
| # exit | |
| ----------------------------------- | |
| ----------------------------------------- | |
| Section II. After default epg create | |
| > netctl group create -t default default-net default-epg | |
| ----------------------------------------- | |
| [root@bxb-mercury-control-2 ~]# netctl net inspect default-net | |
| Inspeting network: default-net tenant: default | |
| { | |
| "Config": { | |
| "key": "default:default-net", | |
| "encap": "vlan", | |
| "gateway": "192.171.0.254", | |
| "networkName": "default-net", | |
| "nwType": "data", | |
| "subnet": "192.171.0.0/24", | |
| "tenantName": "default", | |
| "link-sets": { | |
| "EndpointGroups": { | |
| "default:default-epg": { | |
| "type": "endpointGroup", | |
| "key": "default:default-epg" | |
| } | |
| } | |
| }, | |
| "links": { | |
| "Tenant": { | |
| "type": "tenant", | |
| "key": "default" | |
| } | |
| } | |
| }, | |
| "Oper": { | |
| "allocatedAddressesCount": 3, | |
| "allocatedIPAddresses": "192.171.0.1-192.171.0.3, 192.171.0.254", | |
| "availableIPAddresses": "192.171.0.4-192.171.0.253", | |
| "endpoints": [ | |
| { | |
| "containerName": "kube-dns-2924299975-sglqn", | |
| "endpointID": "1134d32a231fe22b4f946518a6c3987f025663893440666ab7d0b2b09c9b0430", | |
| "homingHost": "bxb-mercury-control-2", | |
| "ipAddress": [ | |
| "192.171.0.1", | |
| "" | |
| ], | |
| "labels": "map[]", | |
| "macAddress": "02:02:c0:ab:00:01", | |
| "network": "default-net.default" | |
| }, | |
| { | |
| "containerName": "my-nginx-379829228-f7w0x", | |
| "endpointID": "170292e955d6ae6950a2e63b996ad1236cf32edf885dec2d27298c5275d97135", | |
| "homingHost": "bxb-mercury-control-1", | |
| "ipAddress": [ | |
| "192.171.0.2", | |
| "" | |
| ], | |
| "labels": "map[]", | |
| "macAddress": "02:02:c0:ab:00:02", | |
| "network": "default-net.default" | |
| }, | |
| { | |
| "containerName": "my-nginx-379829228-j8b7x", | |
| "endpointID": "7172dcbf73b1cf2442bf2dbcf3528232716a0f420270212d8893ac1bd34f5836", | |
| "homingHost": "bxb-mercury-control-2", | |
| "ipAddress": [ | |
| "192.171.0.3", | |
| "" | |
| ], | |
| "labels": "map[]", | |
| "macAddress": "02:02:c0:ab:00:03", | |
| "network": "default-net.default" | |
| } | |
| ], | |
| "numEndpoints": 3, | |
| "pktTag": 1 | |
| } | |
| } | |
| ----- | |
| # still didn't see routes in ASR | |
| # still couldn't ping between pods in the deployment | |
| # delete the deployment | |
| [root@bxb-mercury-control-2 ~]# kubectl delete deployment my-nginx | |
| deployment "my-nginx" deleted | |
| [root@bxb-mercury-control-2 ~]# kubectl get pods -o wide --all-namespaces | |
| NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE | |
| kube-system contiv-etcd-shwxq 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system contiv-netmaster-xd914 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system contiv-netplugin-4x6tl 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system contiv-netplugin-l5p20 1/1 Running 0 1h 172.19.80.26 bxb-mercury-control-1 | |
| kube-system contiv-netplugin-ns7m7 1/1 Running 0 1h 172.19.80.24 bxb-mercury-control-3 | |
| kube-system dummy-2088944543-05vm1 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system etcd-bxb-mercury-control-2 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-apiserver-bxb-mercury-control-2 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-controller-manager-bxb-mercury-control-2 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-discovery-1769846148-rhpm1 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-dns-2924299975-sglqn 2/4 CrashLoopBackOff 73 18h 192.171.0.1 bxb-mercury-control-2 | |
| kube-system kube-proxy-4t5qn 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| kube-system kube-proxy-7gnp1 1/1 Running 0 1h 172.19.80.24 bxb-mercury-control-3 | |
| kube-system kube-proxy-wwk8b 1/1 Running 0 1h 172.19.80.26 bxb-mercury-control-1 | |
| kube-system kube-scheduler-bxb-mercury-control-2 1/1 Running 0 18h 172.19.80.22 bxb-mercury-control-2 | |
| ------------------------------------------------------------- | |
| After another deploy of nginx deployment (replica-set = 2) | |
| - ping still fails | |
| ------------------------------------------------------------- | |
| [root@bxb-mercury-control-2 ~]# kubectl get pods -o wide | |
| NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE | |
| default my-nginx-379829228-w617r 1/1 Running 0 2m 192.171.0.3 bxb-mercury-control-1 | |
| default my-nginx-379829228-wvmt5 1/1 Running 0 2m 192.171.0.2 bxb-mercury-control-3 | |
| [root@bxb-mercury-control-2 ~]# kubectl exec my-nginx-379829228-w617r -- ping -c3 192.171.0.2 | |
| PING 192.171.0.2 (192.171.0.2): 56 data bytes | |
| --- 192.171.0.2 ping statistics --- | |
| 3 packets transmitted, 0 packets received, 100% packet loss | |
| [root@bxb-mercury-control-2 ~]# kubectl exec my-nginx-379829228-w617r -- ip route | |
| default via 192.171.0.254 dev eth0 | |
| 192.171.0.0/24 dev eth0 proto kernel scope link src 192.171.0.3 | |
| [root@bxb-mercury-control-2 ~]# kubectl exec my-nginx-379829228-w617r -- ip a | |
| 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 | |
| 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 | |
| inet6 ::1/128 scope host | |
| valid_lft forever preferred_lft forever | |
| 25: eth0@if24: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default | |
| link/ether 02:02:c0:ab:00:03 brd ff:ff:ff:ff:ff:ff | |
| inet 192.171.0.3/24 scope global eth0 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::2:c0ff:feab:3/64 scope link | |
| valid_lft forever preferred_lft forever | |
| ------------------------------------------------- | |
| Check inside one of the netplugin containers | |
| ------------------------------------------------- | |
| [root@bxb-mercury-control-2 ~]# kubectl exec -it -n kube-system contiv-netplugin-l5p20 -- /bin/sh | |
| # ip a | |
| 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 | |
| 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 | |
| inet6 ::1/128 scope host | |
| valid_lft forever preferred_lft forever | |
| 2: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond_lacp state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:3f brd ff:ff:ff:ff:ff:ff | |
| 3: eth1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond_lacp state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:3f brd ff:ff:ff:ff:ff:ff | |
| 4: p0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master p state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:43 brd ff:ff:ff:ff:ff:ff | |
| 5: p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master p state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:43 brd ff:ff:ff:ff:ff:ff | |
| 6: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 | |
| link/ether 70:e4:22:83:b2:ec brd ff:ff:ff:ff:ff:ff | |
| 7: mx0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master mx state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:45 brd ff:ff:ff:ff:ff:ff | |
| 8: mx1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master mx state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:45 brd ff:ff:ff:ff:ff:ff | |
| 9: t0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master t state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:47 brd ff:ff:ff:ff:ff:ff | |
| 10: t1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master t state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:47 brd ff:ff:ff:ff:ff:ff | |
| 11: eno2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 | |
| link/ether 70:e4:22:83:b2:ed brd ff:ff:ff:ff:ff:ff | |
| 12: bond0: <BROADCAST,MULTICAST,MASTER> mtu 1500 qdisc noop state DOWN group default qlen 1000 | |
| link/ether 7a:22:e3:70:5c:51 brd ff:ff:ff:ff:ff:ff | |
| 13: bond_lacp: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:3f brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::5aac:78ff:fe02:ce3f/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 14: mx: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:45 brd ff:ff:ff:ff:ff:ff | |
| inet 172.19.80.26/24 brd 172.19.80.255 scope global mx | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::5aac:78ff:fe02:ce45/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 15: p: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:43 brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::5aac:78ff:fe02:ce43/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 16: t: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue master ovs-system state UP group default qlen 1000 | |
| link/ether 58:ac:78:02:ce:47 brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::5aac:78ff:fe02:ce47/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 17: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default | |
| link/ether 02:42:6c:2e:f8:75 brd ff:ff:ff:ff:ff:ff | |
| inet 172.17.0.1/16 scope global docker0 | |
| valid_lft forever preferred_lft forever | |
| 18: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 | |
| link/ether a6:c8:fc:3f:92:f3 brd ff:ff:ff:ff:ff:ff | |
| 19: contivh0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 | |
| link/ether 02:02:ac:14:ff:fe brd ff:ff:ff:ff:ff:ff | |
| inet 172.20.255.254/16 scope global contivh0 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::2:acff:fe14:fffe/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 20: vxlan_sys_4789: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65470 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000 | |
| link/ether ae:36:83:14:75:e8 brd ff:ff:ff:ff:ff:ff | |
| 21: inb01: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 | |
| link/ether 4a:ee:34:c8:98:12 brd ff:ff:ff:ff:ff:ff | |
| inet 192.168.35.4/24 scope global inb01 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::48ee:34ff:fec8:9812/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 24: vvport2@if25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP group default | |
| link/ether 7e:fe:1e:9e:30:60 brd ff:ff:ff:ff:ff:ff link-netnsid 0 | |
| inet6 fe80::7cfe:1eff:fe9e:3060/64 scope link | |
| valid_lft forever preferred_lft forever | |
| # ip netns list | |
| # ip route | |
| default via 172.19.80.1 dev mx | |
| 169.254.0.0/16 dev bond_lacp scope link metric 1013 | |
| 169.254.0.0/16 dev mx scope link metric 1014 | |
| 169.254.0.0/16 dev p scope link metric 1015 | |
| 172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 | |
| 172.19.80.0/24 dev mx proto kernel scope link src 172.19.80.26 | |
| 172.20.0.0/16 dev contivh0 proto kernel scope link src 172.20.255.254 | |
| 192.168.35.0/24 dev inb01 proto kernel scope link src 192.168.35.4 | |
| # ovs-vsctl show | |
| 3ae531ff-fa47-4f48-a072-624a918ee32d | |
| Manager "ptcp:6640" | |
| is_connected: true | |
| Bridge contivVxlanBridge | |
| Controller "tcp:127.0.0.1:6633" | |
| is_connected: true | |
| fail_mode: secure | |
| Port "vxif172198022" | |
| Interface "vxif172198022" | |
| type: vxlan | |
| options: {key=flow, remote_ip="172.19.80.22", tos=inherit} | |
| Port "vxif172198024" | |
| Interface "vxif172198024" | |
| type: vxlan | |
| options: {key=flow, remote_ip="172.19.80.24", tos=inherit} | |
| Bridge contivVlanBridge | |
| Controller "tcp:127.0.0.1:6634" | |
| is_connected: true | |
| fail_mode: secure | |
| Port t | |
| Interface t | |
| Port "vvport2" | |
| tag: 1 | |
| Interface "vvport2" | |
| Port "inb01" | |
| tag: 1 | |
| Interface "inb01" | |
| type: internal | |
| Bridge contivHostBridge | |
| Controller "tcp:127.0.0.1:6635" | |
| is_connected: true | |
| fail_mode: secure | |
| Port "contivh0" | |
| tag: 2 | |
| Interface "contivh0" | |
| type: internal | |
| # |
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