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Posted to users@cloudstack.apache.org by "UAnton (via GitHub)" <gi...@apache.org> on 2025/01/22 10:14:04 UTC
[D] The network speed is very slow [cloudstack]
GitHub user UAnton created a discussion: The network speed is very slow
Hello! I have a problem with a private network. I have 2 uplinks on the server with 10Gb. There are no problems with the network. I created an isolated network and a VM. I configured firewall rules. I logged into the VM. The Internet speed is so low that I can't even update the server (APT update). Where could I have made a mistake? Thanks!
GitHub link: https://github.com/apache/cloudstack/discussions/10238
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Re: [D] The network speed is very slow [cloudstack]
Posted by "UAnton (via GitHub)" <gi...@apache.org>.
GitHub user UAnton added a comment to the discussion: The network speed is very slow
> if you use the default network offering for isolated networks, the egress policy is Deny, need to add egress rules to allow outgoing traffic.
I add a rule. VM can ping external networks (google, cf, etc)
GitHub link: https://github.com/apache/cloudstack/discussions/10238#discussioncomment-11914848
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Re: [D] The network speed is very slow [cloudstack]
Posted by "UAnton (via GitHub)" <gi...@apache.org>.
GitHub user UAnton added a comment to the discussion: The network speed is very slow
Thanks! Change MTU resolve the issue.
GitHub link: https://github.com/apache/cloudstack/discussions/10238#discussioncomment-11917808
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Re: [D] The network speed is very slow [cloudstack]
Posted by "UAnton (via GitHub)" <gi...@apache.org>.
GitHub user UAnton added a comment to the discussion: The network speed is very slow
Speed problems in the VM. I had this problem 6 months ago after a fresh install but don't remember how to resolve it.
```
Reading package lists... Done
W: Failed to fetch http://zone.clouds.archive.ubuntu.com/ubuntu/dists/noble-updates/InRelease Connection timed out [IP: 91.189.91.93 80]
E: Failed to fetch http://zone.clouds.archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages Connection timed out [IP: 91.189.91.93 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/noble-security/main/binary-amd64/Packages Connection timed out [IP: 91.189.91.82 80]
W: Some index files failed to download. They have been ignored, or old ones used instead.
root@VM-01:/home/ubuntu# ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=58 time=0.648 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=58 time=0.632 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=58 time=0.625 ms
64 bytes from 1.1.1.1: icmp_seq=4 ttl=58 time=0.732 ms
^C
--- 1.1.1.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3084ms
rtt min/avg/max/mdev = 0.625/0.659/0.732/0.042 ms
root@VM-01:/home/ubuntu#
```
GitHub link: https://github.com/apache/cloudstack/discussions/10238#discussioncomment-11914875
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Re: [D] The network speed is very slow [cloudstack]
Posted by "UAnton (via GitHub)" <gi...@apache.org>.
GitHub user UAnton closed a discussion: The network speed is very slow
Hello! I have a problem with a private network. I have 2 uplinks on the server with 10Gb. There are no problems with the network. I created an isolated network and a VM. I configured firewall rules. I logged into the VM. The Internet speed is so low that I can't even update the server (APT update). Where could I have made a mistake? Thanks!
GitHub link: https://github.com/apache/cloudstack/discussions/10238
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Re: [D] The network speed is very slow [cloudstack]
Posted by "weizhouapache (via GitHub)" <gi...@apache.org>.
GitHub user weizhouapache closed the discussion with a comment: The network speed is very slow
great, closing
GitHub link: https://github.com/apache/cloudstack/discussions/10238#discussioncomment-11917872
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Re: [D] The network speed is very slow [cloudstack]
Posted by "weizhouapache (via GitHub)" <gi...@apache.org>.
GitHub user weizhouapache added a comment to the discussion: The network speed is very slow
if you use the default network offering for isolated networks, the egress policy is Deny, need to add egress rules to allow outgoing traffic.
GitHub link: https://github.com/apache/cloudstack/discussions/10238#discussioncomment-11914815
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Re: [D] The network speed is very slow [cloudstack]
Posted by "DaanHoogland (via GitHub)" <gi...@apache.org>.
GitHub user DaanHoogland added a comment to the discussion: The network speed is very slow
that is a very generic question @UAnton . first thing to check is if there are any conflicts in routing tables (or asymetric routes) on the host and in the VR.
You use the term server twice in your question. Do these refer to the same machine?
GitHub link: https://github.com/apache/cloudstack/discussions/10238#discussioncomment-11914680
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