老师，我用的是单机的swarm，没有worker，在client中可以ping whoami,nslookup，获取地址的时候出错

来源：7-5 集群服务间通信之Routing Mesh

别低头i_3586211

2018-10-31

service 的信息如下

docker service ls
ID                  NAME                MODE                REPLICAS            IMAGE                   PORTS
b3p56tapzjch        client              replicated          1/1                 busybox:latest          
otahacat91uh        whoami              replicated          1/1                 jwilder/whoami:latest   *:8000->8000/tcp

这个是client容器内的信息

/ # ping whoami
PING whoami (10.0.0.3): 56 data bytes
64 bytes from 10.0.0.3: seq=0 ttl=64 time=0.073 ms
64 bytes from 10.0.0.3: seq=1 ttl=64 time=0.105 ms
64 bytes from 10.0.0.3: seq=2 ttl=64 time=0.088 ms
64 bytes from 10.0.0.3: seq=3 ttl=64 time=0.090 ms
^C
--- whoami ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.073/0.089/0.105 ms

/ # nslookup tasks.whoami
Server:		127.0.0.11
Address:	127.0.0.11:53

Non-authoritative answer:

*** Can't find tasks.whoami: No answer

/ # nslookup whoami
Server:		127.0.0.11
Address:	127.0.0.11:53

Non-authoritative answer:

*** Can't find whoami: No answer

网络信息，用的demo

NETWORK ID          NAME                DRIVER              SCOPE
76d07f4f181d        bridge              bridge              local
wofa8g7kn1di        demo                overlay             swarm
3f19bdb2049f        docker_gwbridge     bridge              local
c28d1d7442c1        host                host                local
mp4u97zpysmf        ingress             overlay             swarm
4d0db1f0be88        none                null                local

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