weizhouapache commented on issue #7185:
URL: https://github.com/apache/cloudstack/issues/7185#issuecomment-1425637543

   @MilanHofmann 
   
   can you describe your configuration ? 
   mgmt server / agent ,nics/ ips, etc
   
   
   
   > @weizhouapache Thank you, that was the problem!
   > 
   > If I add the default route manually the vm checks all pass and NFS can be 
mounted. But why is it necessary to add it myself? Shouldn't that be done by 
KVM during the launch?
   > 
   > Also the vm is still not reachable from outside the host. Maybe I 
misconfigured something here? `root@m0995:~# ip a` gives `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: eth0: 
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master cloudbr0 state 
UP group default qlen 1000 link/ether 1c:6f:65:91:9e:86 brd ff:ff:ff:ff:ff:ff 
altname enp4s0 4: cloudbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc 
noqueue state UP group default qlen 1000 link/ether 1c:6f:65:91:9e:86 brd 
ff:ff:ff:ff:ff:ff inet 79.143.179.221/24 metric 100 brd 79.143.179.255 scope 
global dynamic cloudbr0 valid_lft 3777sec preferred_lft 3777sec inet6 
fe80::1e6f:65ff:fe91:9e86/64 scope link valid_lft forever preferred_lft forever 
5: cloudbr1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state 
DOWN group default qlen 1000 
 link/ether 1c:6f:65:91:9e:86 brd ff:ff:ff:ff:ff:ff inet6 
fe80::1e6f:65ff:fe91:9e86/64 scope link valid_lft forever preferred_lft forever 
7: cloud0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
group default qlen 1000 link/ether a6:d6:15:d8:3a:12 brd ff:ff:ff:ff:ff:ff inet 
169.254.0.1/16 scope global cloud0 valid_lft forever preferred_lft forever 40: 
eth0.200@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master 
breth0-200 state UP group default qlen 1000 link/ether 1c:6f:65:91:9e:86 brd 
ff:ff:ff:ff:ff:ff 41: breth0-200: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 
qdisc noqueue state UP group default qlen 1000 link/ether 82:8d:82:b1:a4:f2 brd 
ff:ff:ff:ff:ff:ff 42: vnet18: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc 
noqueue master cloud0 state UNKNOWN group default qlen 1000 link/ether 
fe:00:a9:fe:b9:23 brd ff:ff:ff:ff:ff:ff 43: vnet19: 
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master cloudbr0 state 
UNKNOWN group default qlen 100
 0 link/ether fe:00:e3:00:01:7b brd ff:ff:ff:ff:ff:ff 44: vnet20: 
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master breth0-200 
state UNKNOWN group default qlen 1000 link/ether fe:00:14:00:00:69 brd 
ff:ff:ff:ff:ff:ff 45: vnet21: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc 
noqueue master cloud0 state UNKNOWN group default qlen 1000 link/ether 
fe:00:a9:fe:a1:f9 brd ff:ff:ff:ff:ff:ff 46: vnet22: 
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master cloudbr0 state 
UNKNOWN group default qlen 1000 link/ether fe:00:7d:00:01:1c brd 
ff:ff:ff:ff:ff:ff 47: vnet23: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc 
noqueue master breth0-200 state UNKNOWN group default qlen 1000 link/ether 
fe:00:ed:00:00:68 brd ff:ff:ff:ff:ff:ff 48: virbr0: 
<NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group 
default qlen 1000 link/ether 52:54:00:42:23:f0 brd ff:ff:ff:ff:ff:ff inet 
192.168.122.1/24 brd 192.168.122.255 scope global virbr0 valid_lft forever 
preferred
 _lft forever`
   > 
   > * this is my netplan config:
   > 
   > network: version: 2 renderer: networkd ethernets: ens18: match: 
macaddress: $myMacAdress bridges: cloudbr0: dhcp4: true macaddress: 
$myMacAdress interfaces: - ens18 addresses: [$myAddress] # gateway4 is 
deprecated, use routes instead routes: - to: 0.0.0.0/0 via: $myGateway on-link: 
true nameservers: search: [ invalid ] addresses: - 8.8.8.8 - 8.8.4.4 cloudbr1: 
dhcp4: false macaddress: $myMacAdress optional: true
   
   


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