bridge

  1. R

    proxmox firewall problem container bridges

    Hello everyone, I have a problem with the proxmox firewall. i have activated it on the proxmox host and on all containers. all works fine. one container have no public ip-adress and use the proxmox host for dns resolv (internet access). if i activated the proxmox firewall on the container i...
  2. A

    [SOLVED] Container cannot reach internet

    Proxmox 4.4 with CentOS 7 guest in container. Host can reach the internet, but containers cannot. It seems others have had similar problems but I cannot find a solution. Host /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.2...
  3. N

    [SOLVED] pve-firewall drop traffic

    I have strange network issues. There are 2 physical servers, PVE1, PVE2. Both have virtual routers with 2 dedicated network interface, shared with bridge utils. 2 different ISP connected to R1 and R2. Branch office connected to both routers with l2tp tunnel. R1, have default gateway to...
  4. A

    Loosing IPv6 connectivity after some time

    Does anybody else have this Problem? Our virtual machines loose their IPv6-connectivity after a period time. To be precise: They loose internet connectivity. They are still able to access neighbors within their broadcast domain. After a direct PING to the public IPv6 address of the Cisco...
  5. D

    IPV6 Address via SLAAC on Bridge

    Hello everybody, I've just seen, that ProxmoxVE has SLAAC activated for vmbr*. If an interface is connected to a network with IPv6 RAs the bridge gets an IPv6 Address and the virthost is reachable from the ipv6 network. IMO this is a security risk. Is there a solution other than disable ipv6...
  6. A

    Deleted Default Linux Bridge to a Node in Cluster

    I Deleted the Default Linux Bridge to a Node in my 3-node cluster, and when I went to switch it out with an OVS Bridge, Cluster will not connect to node. I ended up gaining SSH access, and I copied the /etc/network/interfaces.new from another SSH session to another node, and changed the IP...
  7. H

    IPv6 bridged networking to KVM

    Hello all, I'm having an issue with our setup that I just can't seem to lick. Having gone around in circles, I'm wondering if anyone here has any ideas, as it's probably something simple I'm missing. We have multiple hosts, each with 6 NICs in. The NICs are grouped into two bonds, and each...
  8. J

    PVE 4.2 VLAN with eth1

    I have PVE 4.2 installed on a mac mini with two ethernet interfaces. Eth0 (vmbr0) is for management. I would like to use eth1 for my VMs to share using VLANs. (https://dl.dropboxusercontent.com/u/10672445/ProxMox/PVE-Networking.tiff) I have created vmbr100 and vmbr110...
  9. T

    [SOLVED] Upgrade 4.2 broke network config

    Hello everyone, quite late, I upgraded my proxmox pve to the 4.2 version, but since, my containers can't access the internet. I use a bridged configuration which was working so far : auto lo iface lo inet loopback auto vmbr1 iface vmbr1 inet manual post-up /etc/pve/kvm-networking.sh...
  10. P

    network bridging configuration

    i ordered a new server and i have to test proxmox every thing goes ok when i install it also i can create vm and vm working good when i use nat network but on bridging to have specific ip for each vm i have a lot of problems!! my server data are this: server main ip : 138.201.224.60 server...
  11. B

    Bridge for Each VM

    We have VMs with public IPs and for added security we want to create a bridge for each VM. We have 2 NICs but only using one. Our vmbr0 is setup with our public IP and gateway and all our VM are using this bridge. We can add bridges without IP addresses but if we add this bridge vmbr10 to a VM...
  12. L

    [SOLVED] KVM to KVM communication

    I am running Proxmox 4.2 fully patched with two KVM systems. The first is running Windows 10 Pro and the second is running FreeNAS 9.10. Each of the KVM's can be pinged by the Proxmox host and any other devices on the LAN. However, the two CANNOT ping (or any other network traffic) each...
  13. I

    2 isp router 1 proxmox

    Hi, I used to have my proxmox with one nic and a gateway to my ISP router (172.28.64.2) Nowadays, we have 2 internet providers, each with their own routers and different IP range. I added a second NIc to proxmox and what I want is to create some VM that will use this second nic and the second...
  14. T

    Bridge issues with Ubuntu CT

    Hello I am experiencing a weird network bug in the latest Proxmox 4, kernels 4.4.13-2-pve and 4.4.15-1-pve, with Ubuntu containers. I'm not sure if I made a mistake in the network configuration, which is admittedly a bit convoluted, but the problem only appears with Ubuntu containers, not with...
  15. N

    [SOLVED] Proxmox VE 4.2 Bug "Default gateway already exists on interface 'vmbr0'."

    Brand new install of Proxmox VE 4.2 The issue is: unable to create new Linux/OVS Bridge, and throws error, "Default gateway already exists on interface 'vmbr0'" when the default gateways are _not_ the same. Existing gateway: 10.0.1.1 New bridge gateway: 10.240.0.1 How are they the same? Is it...
  16. M

    Bridge funktioniert nach einiger Zeit teilweise nicht mehr

    Hallo, ich habe eine KVM-VM mit Debain am laufen. Diese ist über vmbr0 mit dem Netzwerk der Uni Ulm verbunden. Wir verwenden statische IP's. Wenn ich den VM-Host und die VM starte funktioniert alles wunderbar. Nach einiger Zeit kann ich mich jedoch per ssh nicht mehr in die VM einloggen. Der...
  17. L

    VLAN configuration help

    I upgraded from VE 3 to 4 over the weekend and it appears my vlan configuration no longer works. I originally had a bridge configured to a separate vlan device that was using one of the ports on my intel nic. Here is the original configuration that I was using that was working: auto lo iface lo...
  18. W

    Bond interfaces and VM traffic

    Hello, I'm testing Proxmox and bumped into to small problem. I have 3 servers with 4 cards each connected to single switch. I have created bond0 and bond1 interface with 2 interfaces in each bond. Then I have assigned vmbr0 to bond0 and vmbr1 to bond1. Vmbr1 have IP in same network: vmbr0...
  19. R

    guest cisco OS VLAN TAGGING removed by bridge

    Hi, I'm installing a cisco virtualized router on proxmox. As network setting, i set up a bridge interface. But, when i made do1q encapsulation in my cisco virtualized router (so in the guest os), i noticed that at the output bridge interface, the tag has been removed. I spent several hours on...
  20. S

    No network for VMs (bridge not working)

    Hi, I am just trying to get my first Proxmox installation up and running. The first LXC container is up, but has no network. What am I doing wrong? /etc/network/interfaces on host auto lo iface lo inet loopback iface eth0 inet manual auto vmbr0 iface vmbr0 inet static address...

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