[PVE-User] ARP issue between lxc containers on PX 4.2
Alwin Antreich
sysadmin-pve at cognitec.com
Mon Jul 11 10:53:55 CEST 2016
Guillaume,
On 07/09/2016 09:52 PM, Guillaume wrote:
> And here i go, sorry for the flood guys.
>
> Now that i set up everything correctly (i was previously using the range ip for my first lxc hypervisor, so i fixed it -
> 51.254.231.80/28, so using 51.254.231.80 for lxc1 was a bad idea), the only thing which doesn't work (and worked before)
> is the ping between containers on the private eth1 interface.
The obvious question, did you restart the proxmox host after network changes?
>
> # On LXC 2, i'm trying to ping LXC 1
>
> ~# ping 192.168.30.101
>
> ~# tcpdump -i eth1
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on eth1, link-type EN10MB (Ethernet), capture size 262144 bytes
> 19:44:51.119883 ARP, Request who-has 192.168.30.101 tell 192.168.30.102, length 28
> 19:44:52.131154 ARP, Request who-has 192.168.30.101 tell 192.168.30.102, length 28
> 19:44:53.127880 ARP, Request who-has 192.168.30.101 tell 192.168.30.102, length 28
>
>
> # On proxmox
>
> root at srv3:~# tcpdump -i vmbr2
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on vmbr2, link-type EN10MB (Ethernet), capture size 262144 bytes
> 21:45:22.711855 ARP, Request who-has 192.168.30.101 tell 192.168.30.102, length 28
> 21:45:22.711905 ARP, Reply 192.168.30.101 is-at 62:31:32:34:65:61 (oui Unknown), length 28
>
> 62:31:32:34:65:61 is the mac address of 192.168.30.101
>
>
> And here's my current network settings :
>
> # Proxmox
>
> auto lo
> iface lo inet loopback
>
> iface eth0 inet manual
>
> iface eth1 inet manual
>
> auto vmbr1
> iface vmbr1 inet manual
> bridge_ports dummy0
> bridge_stp off
> bridge_fd 0
> post-up /etc/pve/kvm-networking.sh
>
> auto vmbr0
> iface vmbr0 inet static
> address 164.132.161.137
> netmask 255.255.255.0
> gateway 164.132.161.254
> broadcast 164.132.161.255
> bridge_ports eth0
> bridge_stp off
> bridge_fd 0
> network 164.132.161.0
> post-up /sbin/ip route add to 51.254.231.80/28 dev vmbr0
> post-up /sbin/ip route add to default via 51.254.231.94 dev vmbr0 table 5
> post-up /sbin/ip rule add from 51.254.231.80/28 table 5
> pre-down /sbin/ip rule del from 51.254.231.80/28 table 5
> pre-down /sbin/ip route del to default via 51.254.231.94 dev vmbr0 table 5
> pre-down /sbin/ip route del to 51.254.231.80/28 dev vmbr0
>
> auto vmbr2
> iface vmbr2 inet static
> address 192.168.30.3
> netmask 255.255.255.0
> broadcast 192.168.30.255
> bridge_ports eth1
> bridge_stp off
> bridge_fd 0
> network 192.168.30.0
> post-up /sbin/ip route add to 224.0.0.0/4 dev vmbr0 # force multicast
>
>
>
> # LXC 1
>
> auto eth0 (on vmbr0)
> iface eth0 inet static
> address 51.254.231.81
> netmask 255.255.255.240
> gateway 51.254.231.94
> network 51.254.231.80
>
> auto eth1 (on vmbr2)
> iface eth1 inet static
> address 192.168.30.101
> netmask 255.255.255.0
>
> ~# route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> default 51.254.231.94 0.0.0.0 UG 0 0 0 eth0
> 51.254.231.80 * 255.255.255.240 U 0 0 0 eth0
> 192.168.30.0 * 255.255.255.0 U 0 0 0 eth1
>
>
>
> # LXC 2
>
> auto eth0 (on vmbr0)
> iface eth0 inet static
> address 51.254.231.82
> netmask 255.255.255.240
> gateway 51.254.231.94
> network 51.254.231.80
>
> auto eth1 (on vmbr2)
> iface eth1 inet static
> address 192.168.30.102
> netmask 255.255.255.0
>
> ~# route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> default 51.254.231.94 0.0.0.0 UG 0 0 0 eth0
> 51.254.231.80 * 255.255.255.240 U 0 0 0 eth0
> 192.168.30.0 * 255.255.255.0 U 0 0 0 eth1
>
>
>
> Le 09/07/2016 à 20:31, Guillaume a écrit :
>> But i found out that the lines you made me remove, are actually added by proxmox.
>>
>> I updated the ip cidr on a host, and proxmox added them back on the node interfaces file :
>>
>> # --- BEGIN PVE ---
>> post-up ip route add 51.254.231.94 dev eth0
>> post-up ip route add default via 51.254.231.94 dev eth0
>> pre-down ip route del default via 51.254.231.94 dev eth0
>> pre-down ip route del 51.254.231.94 dev eth0
>> # --- END PVE ---
>>
>>
>> Le 09/07/2016 à 20:23, Guillaume a écrit :
>>> Everything works fine now, looks like i used a public ip on my range i shouldn't have.
>>>
>>> Thanks for the help :)
>>>
>>>
>>> Le 09/07/2016 à 15:05, Guillaume a écrit :
>>>> I am gonna be away for a few hours, thanks for the help Alwin.
>>>>
>>>>
>>>> Le 09/07/2016 à 14:59, Guillaume a écrit :
>>>>> Only restarted the netwrok services each times i tried something.
>>>>>
>>>>> Now i restarted the host and it is better.
>>>>>
>>>>> containers can ping themselves with their private interface (eth1) but still nothing on the public one (eth0).
>>>>> Firewall is down (pve-firewall stopped) but i have rules to allow ping between containers on public interface anyway.
>>>>>
>>>>> host can ping everyone on both interfaces.
>>>>>
>>>>> New routes in containers :
>>>>>
>>>>> ~# route
>>>>> Kernel IP routing table
>>>>> Destination Gateway Genmask Flags Metric Ref Use Iface
>>>>> default 51.254.231.94 0.0.0.0 UG 0 0 0 eth0
>>>>> 51.254.231.80 * 255.255.255.240 U 0 0 0 eth0
>>>>> 192.168.30.0 * 255.255.255.0 U 0 0 0 eth1
>>>>>
>>>>>
>>>>> Le 09/07/2016 à 14:22, Alwin Antreich a écrit :
>>>>>> Guillaume,
>>>>>>
>>>>>> On 07/09/2016 01:13 PM, Guillaume wrote:
>>>>>>> I tried enabling proxy_arp on the host, thinking it would help but it does not.
>>>>>>>
>>>>>>>
>>>>>>> Le 09/07/2016 à 13:03, Guillaume a écrit :
>>>>>>>> lxc container public interface (eth0) is bound to vmbr0 and private interface (eth1) is bound to vmbr2.
>>>>>>>>
>>>>>>>> I removed the post-up/pre-down lines from the containers, it was a left-over when i tried to fix the issue.
>>>>>>>> It doesn't change anything, public and private network works well, except between the containers. So i can talk to
>>>>>>>> anything outside the host, but not inside.
>>>>>> Did you restart the proxmox host after network changes or just the network services? If you didn't, please restart
>>>>>> the
>>>>>> proxmox host, as the settings are not always picked up after network service restart.
>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Le 09/07/2016 à 12:33, Alwin Antreich a écrit :
>>>>>>>>> Guillaume,
>>>>>>>>>
>>>>>>>>> On 07/09/2016 12:10 PM, Guillaume wrote:
>>>>>>>>>> Of course, here they are :
>>>>>>>>>>
>>>>>>>>>> * Proxmox :
>>>>>>>>>>
>>>>>>>>>> ~# cat /etc/network/interfaces
>>>>>>>>>>
>>>>>>>>>> auto lo
>>>>>>>>>> iface lo inet loopback
>>>>>>>>>>
>>>>>>>>>> iface eth0 inet manual
>>>>>>>>>>
>>>>>>>>>> iface eth1 inet manual
>>>>>>>>>>
>>>>>>>>>> auto vmbr1
>>>>>>>>>> iface vmbr1 inet manual
>>>>>>>>>> bridge_ports dummy0
>>>>>>>>>> bridge_stp off
>>>>>>>>>> bridge_fd 0
>>>>>>>>>> post-up /etc/pve/kvm-networking.sh
>>>>>>>>>>
>>>>>>>>>> auto vmbr0
>>>>>>>>>> iface vmbr0 inet static
>>>>>>>>>> address 164.132.161.137
>>>>>>>>>> netmask 255.255.255.0
>>>>>>>>>> gateway 164.132.161.254
>>>>>>>>>> broadcast 164.132.161.255
>>>>>>>>>> bridge_ports eth0
>>>>>>>>>> bridge_stp off
>>>>>>>>>> bridge_fd 0
>>>>>>>>>> network 164.132.161.0
>>>>>>>>>> post-up /sbin/ip route add to 51.254.231.80/28 dev vmbr0
>>>>>>>>>> post-up /sbin/ip route add to default via 51.254.231.94 dev vmbr0 table 5
>>>>>>>>>> post-up /sbin/ip rule add from 51.254.231.80/28 table 5
>>>>>>>>>> pre-down /sbin/ip rule del from 51.254.231.80/28 table 5
>>>>>>>>>> pre-down /sbin/ip route del to default via 51.254.231.94 dev vmbr0 table 5
>>>>>>>>>> pre-down /sbin/ip route del to 51.254.231.80/28 dev vmbr0
>>>>>>>>>>
>>>>>>>>>> iface vmbr0 inet6 static
>>>>>>>>>> address 2001:41d0:1008:1c89::1
>>>>>>>>>> netmask 64
>>>>>>>>>> gateway 2001:41d0:1008:1cff:ff:ff:ff:ff
>>>>>>>>>> post-up /sbin/ip -f inet6 route add 2001:41d0:1008:1cff:ff:ff:ff:ff dev vmbr0
>>>>>>>>>> post-up /sbin/ip -f inet6 route add default via 2001:41d0:1008:1cff:ff:ff:ff:ff
>>>>>>>>>> pre-down /sbin/ip -f inet6 route del default via 2001:41d0:1008:1cff:ff:ff:ff:ff
>>>>>>>>>> pre-down /sbin/ip -f inet6 route del 2001:41d0:1008:1cff:ff:ff:ff:ff dev vmbr0
>>>>>>>>>>
>>>>>>>>>> auto vmbr2
>>>>>>>>>> iface vmbr2 inet static
>>>>>>>>>> address 192.168.30.3
>>>>>>>>>> netmask 255.255.255.0
>>>>>>>>>> broadcast 192.168.30.255
>>>>>>>>>> bridge_ports eth1
>>>>>>>>>> bridge_stp off
>>>>>>>>>> bridge_fd 0
>>>>>>>>>> network 192.168.30.0
>>>>>>>>> What is your intention with the post-up? And the config resides under vmbr2 but you bind the route to vmbr0, is it
>>>>>>>>> supposed to be like this?
>>>>>>>>>
>>>>>>>>>> post-up /sbin/ip route add to 224.0.0.0/4 dev vmbr0 # pour forcer le multicast
>>>>>>>>>>
>>>>>>>>>> ~# route
>>>>>>>>>> Kernel IP routing table
>>>>>>>>>> Destination Gateway Genmask Flags Metric Ref Use Iface
>>>>>>>>>> default 164.132.161.254 0.0.0.0 UG 0 0 0 vmbr0
>>>>>>>>>> 51.254.231.80 * 255.255.255.240 U 0 0 0 vmbr0
>>>>>>>>>> 164.132.161.0 * 255.255.255.0 U 0 0 0 vmbr0
>>>>>>>>>> 192.168.30.0 * 255.255.255.0 U 0 0 0 vmbr2
>>>>>>>>>> 224.0.0.0 * 240.0.0.0 U 0 0 0 vmbr0
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> * LXC 1 :
>>>>>>>>>>
>>>>>>>>>> ~# cat /etc/network/interfaces
>>>>>>>>>> # interfaces(5) file used by ifup(8) and ifdown(8)
>>>>>>>>>> # Include files from /etc/network/interfaces.d:
>>>>>>>>>> source-directory /etc/network/interfaces.d
>>>>>>>>>>
>>>>>>>>>> auto eth0
>>>>>>>>>> iface eth0 inet static
>>>>>>>>>> address 51.254.231.80
>>>>>>>>>> netmask 255.255.255.240
>>>>>>>>>> gateway 51.254.231.94
>>>>>>>>>> network 51.254.231.80
>>>>>>>>>> post-up /sbin/ip route add 164.132.161.137 dev eth0
>>>>>>>>>> post-up /sbin/ip route add to default via 164.132.161.137
>>>>>>>>>> pre-down /sbin/ip route del to default via 164.132.161.137
>>>>>>>>>> pre-down /sbin/ip route del 164.132.161.137 dev eth0
>>>>>>>>>>
>>>>>>>>>> auto eth1
>>>>>>>>>> iface eth1 inet static
>>>>>>>>>> address 192.168.30.101
>>>>>>>>>> netmask 255.255.255.0
>>>>>>>>>>
>>>>>>>>>> ~# route
>>>>>>>>>> Kernel IP routing table
>>>>>>>>>> Destination Gateway Genmask Flags Metric Ref Use Iface
>>>>>>>>>> default 51.254.231.94 0.0.0.0 UG 0 0 0 eth0
>>>>>>>>>> 51.254.231.80 * 255.255.255.240 U 0 0 0 eth0
>>>>>>>>>> 164.132.161.137 * 255.255.255.255 UH 0 0 0 eth0
>>>>>>>>>> 192.168.30.0 * 255.255.255.0 U 0 0 0 eth1
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> * LXC 2 :
>>>>>>>>>>
>>>>>>>>>> ~# cat /etc/network/interfaces
>>>>>>>>>> # interfaces(5) file used by ifup(8) and ifdown(8)
>>>>>>>>>> # Include files from /etc/network/interfaces.d:
>>>>>>>>>> source-directory /etc/network/interfaces.d
>>>>>>>>>>
>>>>>>>>>> auto eth0
>>>>>>>>>> iface eth0 inet static
>>>>>>>>>> address 51.254.231.81
>>>>>>>>>> netmask 255.255.255.240
>>>>>>>>>> gateway 51.254.231.94
>>>>>>>>>> network 51.254.231.80
>>>>>>>>>> post-up /sbin/ip route add 164.132.161.137 dev eth0
>>>>>>>>>> post-up /sbin/ip route add to default via 164.132.161.137
>>>>>>>>>> pre-down /sbin/ip route del to default via 164.132.161.137
>>>>>>>>>> pre-down /sbin/ip route del 164.132.161.137 dev eth0
>>>>>>>>>>
>>>>>>>>>> auto eth1
>>>>>>>>>> iface eth1 inet static
>>>>>>>>>> address 192.168.30.102
>>>>>>>>>> netmask 255.255.255.0
>>>>>>>>>>
>>>>>>>>>> ~# route
>>>>>>>>>> Kernel IP routing table
>>>>>>>>>> Destination Gateway Genmask Flags Metric Ref Use Iface
>>>>>>>>>> default 51.254.231.94 0.0.0.0 UG 0 0 0 eth0
>>>>>>>>>> 51.254.231.80 * 255.255.255.240 U 0 0 0 eth0
>>>>>>>>>> 164.132.161.137 * 255.255.255.255 UH 0 0 0 eth0
>>>>>>>>>> 192.168.30.0 * 255.255.255.0 U 0 0 0 eth1
>>>>>>>>> And the LXC container are bound to vmbr2?
>>>>>>>>>
>>>>>>>>>> Le 09/07/2016 à 11:36, Alwin Antreich a écrit :
>>>>>>>>>>> Hi Guillaume,
>>>>>>>>>>>
>>>>>>>>>>> may you please add the network config of your host & lxc guests (incl. routes), for my part, I don't get the
>>>>>>>>>>> picture
>>>>>>>>>>> quite yet.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On 07/08/2016 05:17 PM, Guillaume wrote:
>>>>>>>>>>>> I may have found lead, only on the host side.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> From proxmox, i can't ping the lxc container private address
>>>>>>>>>>>>
>>>>>>>>>>>> root at srv3:~# ping 192.168.30.101
>>>>>>>>>>>> PING 192.168.30.101 (192.168.30.101) 56(84) bytes of data.
>>>>>>>>>>>> ^C
>>>>>>>>>>>> --- 192.168.30.101 ping statistics ---
>>>>>>>>>>>> 2 packets transmitted, 0 received, 100% packet loss, time 999ms
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> But i can ping another server private address (same vrack) :
>>>>>>>>>>>> root at srv3:~# ping 192.168.30.250
>>>>>>>>>>>> PING 192.168.30.250 (192.168.30.250) 56(84) bytes of data.
>>>>>>>>>>>> 64 bytes from 192.168.30.250: icmp_seq=1 ttl=64 time=0.630 ms
>>>>>>>>>>>> ^C
>>>>>>>>>>>> --- 192.168.30.250 ping statistics ---
>>>>>>>>>>>> 1 packets transmitted, 1 received, 0% packet loss, time 0ms
>>>>>>>>>>>> rtt min/avg/max/mdev = 0.630/0.630/0.630/0.000 ms
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> But, if i force the ping network interface on vmbr2 (host private network interface) :
>>>>>>>>>>>>
>>>>>>>>>>>> root at srv3:~# ping -I vmbr2 192.168.30.101
>>>>>>>>>>>> PING 192.168.30.101 (192.168.30.101) from 192.168.30.3 vmbr2: 56(84) bytes of data.
>>>>>>>>>>>> 64 bytes from 192.168.30.101: icmp_seq=1 ttl=64 time=0.084 ms
>>>>>>>>>>>> 64 bytes from 192.168.30.101: icmp_seq=2 ttl=64 time=0.024 ms
>>>>>>>>>>>> 64 bytes from 192.168.30.101: icmp_seq=3 ttl=64 time=0.035 ms
>>>>>>>>>>>> ^C
>>>>>>>>>>>> --- 192.168.30.101 ping statistics ---
>>>>>>>>>>>> 3 packets transmitted, 3 received, 0% packet loss, time 1998ms
>>>>>>>>>>>> rtt min/avg/max/mdev = 0.024/0.047/0.084/0.027 ms
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> It is strange since i have a route on vmbr2 for 192.168.30.0 :
>>>>>>>>>>>>
>>>>>>>>>>>> root at srv3:~# route
>>>>>>>>>>>> Kernel IP routing table
>>>>>>>>>>>> Destination Gateway Genmask Flags Metric Ref Use Iface
>>>>>>>>>>>> default 164.132.168.254 0.0.0.0 UG 0 0 0 vmbr0
>>>>>>>>>>>> 51.254.233.80 * 255.255.255.240 U 0 0 0 vmbr0
>>>>>>>>>>>> 164.132.168.0 * 255.255.255.0 U 0 0 0 vmbr0
>>>>>>>>>>>> 192.168.30.0 * 255.255.255.0 U 0 0 0 vmbr2
>>>>>>>>>>>> 224.0.0.0 * 240.0.0.0 U 0 0 0 vmbr0
>>>>>>>>>>>>
>>>>>>>>>>>> This solution doesn't change anything for the container. If i try to ping a container (public or private
>>>>>>>>>>>> interface) from
>>>>>>>>>>>> another while forcing the interface, it doesn't help.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Le 08/07/2016 à 11:11, Guillaume a écrit :
>>>>>>>>>>>>> Hello,
>>>>>>>>>>>>>
>>>>>>>>>>>>> I'm running Proxmox 4.2-15, with a fresh install :
>>>>>>>>>>>>>
>>>>>>>>>>>>> # pveversion -v
>>>>>>>>>>>>> proxmox-ve: 4.2-56 (running kernel: 4.4.13-1-pve)
>>>>>>>>>>>>> pve-manager: 4.2-15 (running version: 4.2-15/6669ad2c)
>>>>>>>>>>>>> pve-kernel-4.4.13-1-pve: 4.4.13-56
>>>>>>>>>>>>> pve-kernel-4.2.8-1-pve: 4.2.8-41
>>>>>>>>>>>>> lvm2: 2.02.116-pve2
>>>>>>>>>>>>> corosync-pve: 2.3.5-2
>>>>>>>>>>>>> libqb0: 1.0-1
>>>>>>>>>>>>> pve-cluster: 4.0-42
>>>>>>>>>>>>> qemu-server: 4.0-83
>>>>>>>>>>>>> pve-firmware: 1.1-8
>>>>>>>>>>>>> libpve-common-perl: 4.0-70
>>>>>>>>>>>>> libpve-access-control: 4.0-16
>>>>>>>>>>>>> libpve-storage-perl: 4.0-55
>>>>>>>>>>>>> pve-libspice-server1: 0.12.5-2
>>>>>>>>>>>>> vncterm: 1.2-1
>>>>>>>>>>>>> pve-qemu-kvm: 2.5-19
>>>>>>>>>>>>> pve-container: 1.0-70
>>>>>>>>>>>>> pve-firewall: 2.0-29
>>>>>>>>>>>>> pve-ha-manager: 1.0-32
>>>>>>>>>>>>> ksm-control-daemon: 1.2-1
>>>>>>>>>>>>> glusterfs-client: 3.5.2-2+deb8u2
>>>>>>>>>>>>> lxc-pve: 1.1.5-7
>>>>>>>>>>>>> lxcfs: 2.0.0-pve2
>>>>>>>>>>>>> cgmanager: 0.39-pve1
>>>>>>>>>>>>> criu: 1.6.0-1
>>>>>>>>>>>>> zfsutils: 0.6.5.7-pve10~bpo80
>>>>>>>>>>>>>
>>>>>>>>>>>>> # sysctl -p
>>>>>>>>>>>>> net.ipv6.conf.all.autoconf = 0
>>>>>>>>>>>>> net.ipv6.conf.default.autoconf = 0
>>>>>>>>>>>>> net.ipv6.conf.vmbr0.autoconf = 0
>>>>>>>>>>>>> net.ipv6.conf.all.accept_ra = 0
>>>>>>>>>>>>> net.ipv6.conf.default.accept_ra = 0
>>>>>>>>>>>>> net.ipv6.conf.vmbr0.accept_ra = 0
>>>>>>>>>>>>> net.ipv6.conf.vmbr0.accept_ra = 0
>>>>>>>>>>>>> net.ipv6.conf.vmbr0.autoconf = 0
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> I'm only using lxc containers.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Host have 2 networks interfaces, vmbr0 with public ip 164.132.161.131/32 (gtw 164.132.161.254) and vmbr2 with
>>>>>>>>>>>>> private
>>>>>>>>>>>>> ip (ovh vrack 2) 192.168.30.3/24.
>>>>>>>>>>>>> Containers have public interface eth0 with public ip address (based on vmbr0) and eth1 with private ip address
>>>>>>>>>>>>> (based
>>>>>>>>>>>>> on vmbr2) :
>>>>>>>>>>>>>
>>>>>>>>>>>>> * LXC1
>>>>>>>>>>>>> eth0 : 51.254.231.80/28
>>>>>>>>>>>>> eth1 : 192.168.30.101/24
>>>>>>>>>>>>>
>>>>>>>>>>>>> * LXC2
>>>>>>>>>>>>> eth0 : 51.254.231.81/28
>>>>>>>>>>>>> eth1 : 192.168.30.102/24
>>>>>>>>>>>>>
>>>>>>>>>>>>> They both have access to the net, but can't talk to each other, whatever network interface (public or
>>>>>>>>>>>>> private) i'm
>>>>>>>>>>>>> using.
>>>>>>>>>>>>> Same issue with firewall down on the node (on the 3 levels).
>>>>>>>>>>>>>
>>>>>>>>>>>>> # Ping from LXC1 51.254.231.80 to LXC2 51.254.231.81 : tcpdump from LXC1
>>>>>>>>>>>>> 15:54:00.810638 ARP, Request who-has 164.132.161.250 tell 164.132.161.252, length 46
>>>>>>>>>>>>>
>>>>>>>>>>>>> # Ping from LXC1 192.168.30.101 to LXC2 192.168.30.102 (vrack) : tcpdump from LXC1
>>>>>>>>>>>>> 15:54:52.260934 ARP, Request who-has 192.168.30.102 tell 192.168.30.3, length 28
>>>>>>>>>>>>> 15:54:52.260988 ARP, Reply 192.168.30.102 is-at 62:31:32:34:65:61 (oui Unknown), length 28
>>>>>>>>>>>>> 15:54:52.575082 IP 192.168.30.102 > 192.168.30.101: ICMP echo request, id 1043, seq 3, length 64
>>>>>>>>>>>>> 15:54:53.583057 IP 192.168.30.102 > 192.168.30.101: ICMP echo request, id 1043, seq 4, length 64
>>>>>>>>>>>>>
>>>>>>>>>>>>> # Ping from LXC1 192.168.30.101 to LXC2 192.168.30.102 (vrack) : tcpdump from Proxmox
>>>>>>>>>>>>> 17:56:05.861665 ARP, Request who-has 192.168.30.101 tell 192.168.30.102, length 28
>>>>>>>>>>>>> 17:56:05.861688 ARP, Reply 192.168.30.101 is-at 62:31:32:34:65:61 (oui Unknown), length 28
>>>>>>>>>>>>> 17:56:06.860925 ARP, Request who-has 192.168.30.101 tell 192.168.30.102, length 28
>>>>>>>>>>>>> 17:56:06.860998 ARP, Reply 192.168.30.101 is-at 62:31:32:34:65:61 (oui Unknown), length 28
>>>>>>>>>>>>>
>>>>>>>>>>>>> Any idea ?
>>>>>>>>>>>>>
>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>
>>>>>>>>>>>>> Guillaume
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>> pve-user mailing list
>>>>>>>>>>>>> pve-user at pve.proxmox.com
>>>>>>>>>>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> pve-user mailing list
>>>>>>>>>>>> pve-user at pve.proxmox.com
>>>>>>>>>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>>>>>>>> Cheers,
>>>>>>>>>>> Alwin
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> pve-user mailing list
>>>>>>>>>>> pve-user at pve.proxmox.com
>>>>>>>>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> pve-user mailing list
>>>>>>>>>> pve-user at pve.proxmox.com
>>>>>>>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>>>>>> Cheers,
>>>>>>>>> Alwin
>>>>>>>>> _______________________________________________
>>>>>>>>> pve-user mailing list
>>>>>>>>> pve-user at pve.proxmox.com
>>>>>>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> pve-user mailing list
>>>>>>>> pve-user at pve.proxmox.com
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>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> pve-user mailing list
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>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> pve-user mailing list
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>>>>>
>>>>
>>>>
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>>>
>>>
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>>
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>
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Cheers,
Alwin
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