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I know but I haven't seen any big issues with NTP with those commands. Sometimes (as seen in the log), I got this message "The system clock is not synchronized to any time source", but soon after it is synced again. I was curious about the message: So I wanted to understand what is the...

I saw in the logs: Dec 22 12:09:32:I:NTP: System clock is synchronized to 134.130.4.17. Dec 22 12:08:59:I:NTP: The system clock is not synchronized to any time source. Is that the problem you are talking about with the Brocade ICX NTP server and why we should not rely on it ?

For info that's exactly what I wanted to do as well. I bought some "foreign" cameras which I do not trust, but which seems to be of very good quality. I put them on a VLAN, with no access to internet, no access to other VLAN and no access to other devices on the same VLAN, but they can be...

Ok I activated the logs (pretty awesome feature by the way) and immediately understood the issue. Here is the standard ACL for those who want a VLAN whose devices are allowed to go on internet, but cannot access other VLAN (but can be reached from other VLAN). ip access-list extended "vlan10...

I thought that I understood it after someone explained that it is counter-intuitive: the "in" rules are applied to requests coming from the vlan to the ve. As the vlan devices have 192.168.10.x IP addresses, I thought I covered all cases and I didn't need permit ip any any. But perhaps I...

I was trying to use the good practice: So the goal was to avoid having this permit ip any any As for why, well one reason is to learn and the others is to have more control of the network. I have a number of devices that I would like to properly isolate: camera that should not go on internet...

Oh yes I forgot part of the story. At first I didn't include the last line, thinking that the previous 3 lines were sufficient to achieve my purpose. But as it failed (no ip address received), I included the permit ip any any and then it worked. So I replaced the permit ip any any with permit ip...

So I gave up on using /25 subnets in different VLAN and I have adopted the usual approach (192.168.10.0/24, 192.168.20.0/24, 192.168.30.0/24 and so on...). I wanted to use VLAN 10 (192.168.10.0/24) to isolate devices which only needs to access internet (and not other devices or other vlan), but...

Oh sorry I understand the confusion, I typed too fast. Let me repeat: If I specify ip address 192.168.178.2/24 or ip address 192.168.178.2/26, it is working fine (192.168.178.2 is responding). If I specify ip address 192.168.178.70/26 or ip address 192.168.178.140/25 it is not working (pinging...

Using calculator.net, entering 192.168.178.128/25 gives me: IP Address: 192.168.178.128 Network Address: 192.168.178.128 Usable Host IP Range: 192.168.178.129 - 192.168.178.254 Broadcast Address: 192.168.178.255 Total Number of Hosts: 128 Number of Usable Hosts: 126 Subnet Mask...

No it has something to do with the subnet mask. I experimented with the out-of-band management port. If I specify ip address 192.168.178.2/24 or ip address 192.168.178.2/26, it is working fine (192.168.178.2 is responding). If I specify ip address 192.168.178.65/26 or ip address...

I was experimenting with sharing the same "subnet" (divided by four using /26) over several VLANs and strangely enough it kind of work with the DHCP on my router. Configuration of my router (on 192.168.178.1): DHCP server handling address on 192.168.178.x Configuration of the switch: VLAN1...

My router is connected to my switch (only one cable), and the devices are connected to the switch. The switch configuration is quite simple: 192.168.10.x/24 for vlan10, 192.168.20.x/24 for vlan20, and 192.168.30.x for vlan30. Then I can simply add static routes on my router (Fritzbox) to...

Thanks I have read the thread there but I am still not sure. With the "simple" DHCP server on my router (fritzbox), it seems that it will not work with VLAN (with DHCP relay or ip helper-address). The DHCP server on the Brocade ICX6450 is not an "authoritative" one, so it won't work in all cases...

Hello, I wanted to go into VLANs to segregate PoE some cameras (+ other smart devices) in my network. So I bought a used Brocade ICX6450 and managed to perform the initial setup following fohdeesha's guide. But after reading quite a while on VLANs, I am still a bit lost on the next steps...