LINUX.ORG.RU

доступ к гостевой системе KVM из сети

 , ,


1

1

Добрый день.

Столкнулся с проблемой - не могу настроить сеть на госте (win7), установленной на qemu/kvm. Нужен доступ как с гостя до сети, так и из сети до гостя (rdp, smb и пр.) Имеется: хост Debian10 с qemu/kvm хост 172.16.4.80 гость 172.16.4.90 сеть 172.0.0.0/8 шлюз/днс 172.16.4.213

на хосте:

ip a

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
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP group default qlen 1000
    link/ether bc:5f:f4:cc:dd:6c brd ff:ff:ff:ff:ff:ff
3: enp5s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether a0:f3:c1:00:0f:08 brd ff:ff:ff:ff:ff:ff
4: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether bc:5f:f4:cc:dd:6c brd ff:ff:ff:ff:ff:ff
    inet 172.16.4.80/16 brd 172.16.255.255 scope global br0
       valid_lft forever preferred_lft forever
    inet6 fe80::be5f:f4ff:fecc:dd6c/64 scope link 
       valid_lft forever preferred_lft forever
5: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UNKNOWN group default qlen 1000
    link/ether fe:54:00:fa:cc:31 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fefa:cc31/64 scope link 
       valid_lft forever preferred_lft forever

cat /etc/network/interfaces

auto lo
iface lo inet loopback

auto enp4s0
iface enp4s0 inet manual

auto br0
iface br0 inet static
        address 172.16.4.80
        netmask 255.255.0.0
        gateway 172.16.4.213
        dns-nameservers 172.16.4.213
        bridge_ports enp4s0
        bridge_stp off
        bridge_fd 0
        bridge_maxwait 0

virsh net-list --all

 Name      State      Autostart   Persistent
----------------------------------------------
 default   inactive   no          yes
 main      inactive   no          yes

ping 172.16.4.213

PING 172.16.4.213 (172.16.4.213) 56(84) bytes of data.
64 bytes from 172.16.4.213: icmp_seq=1 ttl=64 time=5.24 ms

ping 172.16.4.90 - до гостя

PING 172.16.4.90 (172.16.4.90) 56(84) bytes of data.
^C
--- 172.16.4.90 ping statistics ---
450 packets transmitted, 0 received, 100% packet loss, time 1225ms

из гостя пинг до 172.16.4.213 есть, пинг до хоста 172.16.4.80 есть