Will high latency due to distance ever come to an end? Networking |
- Will high latency due to distance ever come to an end?
- SSH certificates?
- Architects of large enterprise networks, how do you handle the sizing/categorization of sites?
- Is it possible to connect 2 firewalls directly for a site-to-site VPN?
- What Are the Different Fiber Optic Speed Grades?
- Huge quantities of quiet devices
- What would a Lucent OLS 800G have cost brand new in the year 2001 approximately?
- VLAN Help on PowerConnect 5500 Series switches
- Help with Aruba 6200F and VLAN tagging.
| Will high latency due to distance ever come to an end? Posted: 02 Oct 2021 11:40 AM PDT No matter how fast my internet connection is, there will always be a delay between two network nodes separated by huge distances. South America - Europe, about 250ms South America - Asia - 350-400ms Will this ever come to an end? I know every node that exists between two points add some delay, thats why in the end we have high latencies between two very distant places. What physical changes would be necessary? 100% fiber optics communication? I heard even fiber optics communication degrades at some point. Thanks [link] [comments]  | ||||||||||||||||||||||||||||||
| Posted: 02 Oct 2021 06:51 AM PDT Hello, We use ssh certificates on our server infrastructure. It removes the problem of having a large amount of ssh keys on every system. Is it possible to do the same on our network infrastructure? Is it common for switches to support ssh certificates? [link] [comments]  | ||||||||||||||||||||||||||||||
| Architects of large enterprise networks, how do you handle the sizing/categorization of sites? Posted: 02 Oct 2021 01:51 PM PDT In any large environment, I'm sure that there is quite a bit of standardization that needs to occur in order to keep things clean and scalable. When it comes to standardizing the design of new sites, how would you typically determine which design the site will be built using? I imagine that it is some combination of user count, number of IDFs, and how critical it is to the business. But I'm curious to get a bit more detail as to how that process works. I'm in vendor-land today, and when I last worked for an enterprise I wasn't involved with their design process; so I'm not super familiar with how this would typically be approached. [link] [comments]  | ||||||||||||||||||||||||||||||
| Is it possible to connect 2 firewalls directly for a site-to-site VPN? Posted: 02 Oct 2021 01:53 PM PDT Is there a way to connect 2 Cisco firewalls directly to establish a site-to-site VPN over straight-through cabling? I need the features of the firewalls on each side of the networks but I don't want to lose throughput. In the past, you could do this with a switch in the middle but I hated having that extra device to keep up with. I think it's possible with crossover cables but I'm also don't want to lose throughput. Any features on modern enterprise firewalls that would allow this? Cisco preferred if possible but I'm comfortable with other brands if it's definitely possible. [link] [comments]  | ||||||||||||||||||||||||||||||
| What Are the Different Fiber Optic Speed Grades? Posted: 01 Oct 2021 05:35 PM PDT Hi, I've been searching online to see if there are distinct speed grades for fiber optic networking cables and equipment just as there is for ethernet but so far I haven't been able to find anything. Would anyone be able to link a article or video that discusses this or would you be able to explain it yourself? Any assistance would be greatly appreciated. Thank you :) [link] [comments]  | ||||||||||||||||||||||||||||||
| Huge quantities of quiet devices Posted: 01 Oct 2021 08:36 PM PDT I've got a greenfield job to set up a network with a large quantity of industrial switches. The plan is to have 6000-8000 devices connected to this network, all within a few hundred metres. Each device is a quiet and well behaved microcontroller with wired ethernet. They'll each be shifting mere kilobytes per hour. Let's assume wireless isn't an option. I can handle layer 2 easily, but what should layer 3 look like? I'm torn between allowing many/all of the endpoints onto a very large subnet and dealing with any broadcast malfunctions when they happen, or staying strong with the old "If you think you need larger than a ~/24, you're probably doing something wrong" viewpoint and creating at least 32 different VLANs. Then what, just creating 32 SVIs on the core switches, pointing them to the central DHCP server, slapping the same ACL on each of them and calling it a day? I'm sure that'd "work", but it feels dirty somehow :) Or maybe it feels too easy. There will be a few other elements to the network. A few servers, a few workstations, some internet, etc. But the bulk of it will be those microcontrollers. [link] [comments]  | ||||||||||||||||||||||||||||||
| What would a Lucent OLS 800G have cost brand new in the year 2001 approximately? Posted: 02 Oct 2021 12:42 AM PDT As the title says. Just interested in the history of Australian telecommunications and I see this device cropping up a lot. Just wondering what one of these would have cost brand new back in the day. [link] [comments]  | ||||||||||||||||||||||||||||||
| VLAN Help on PowerConnect 5500 Series switches Posted: 01 Oct 2021 05:55 PM PDT I don't know if this switch is capable of doing what I want or I am doing something stupid (this can very well be the case)... I am trying to get VLAN 1 to communicate with VLAN 110 and vis versa. I tried setting up a General VLAN, assigning IPs to the VLAN and as well as assigning interface te1/0/1 with an IP... nothing. I have a MS DHCP server (Scope already made) on VLAN 1 192.168.69.5 and enabled DHCP Relay on the switch. That is not getting through either. If someone would just give me a little hint. Here is the config: Untitled - Paste-bin interface te1/0/1 goes to a non-managed SFP "dumb" switch. VLAN 1 = 192.168.69.0/24 and VLAN 110 = 10.1.10.0/24 [link] [comments]  | ||||||||||||||||||||||||||||||
| Help with Aruba 6200F and VLAN tagging. Posted: 01 Oct 2021 04:22 PM PDT Jr of a 2 man team and my lead engineer has left the company. Leaving me with a bunch of 6200F switches with no training and now all of his fires lol, It's been an exciting few weeks. I am CCNA certified but struggling with replacing an older device with one of these by converting the cisco config I have to Aruba. I am a bit confused with the switchport voice vlan and having 2 access vlans on the interface. I have a found a few posts in regards to having the DATA vlan untagged and Voice Tagged. Trunk 66, tagged or untagged? I appreciate any input Here is a simple snippet of what I am working with Cisco Confinterface 1/1/24 vlan access 138 switchport voice vlan 2138 interface 1/1/28 switchport trunk native vlan 66 switchport trunk allowed vlan 122,138,703,830,831,920,2138,2603,3138,3238 switchport mode trunk Aruba VLAN
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