Questions tagged [design]
For questions about planning and implementation of a computer network. Use this tag when you have questions about how to design your network and what things to take into account when implementing a new network infrastructure.
143 questions
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What are the reasons for internet exchanges to use publicly routable networks?
Internet exchanges like AMS-IX or DE-CIX use publicly routable IPv4 and IPv6 networks on their peering LANs. For example, in case of AMS-IX, the networks are 80.249.208.0/21 and 2001:7f8:1::/64 and ...
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network design suggestion
I've situation like below:
I've only "14.14.14.0/30" ==> which is currently configured between "SRX300" and "ISP MUX". and we're in the process of migrating from 4th ...
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How to check the validity of a BGP prefix?
Let's say, that an organization has two geographically diverse DFZ sites named site-A and site-B. In site-A, the network 192.0.2.0/24 is in use and in site-B the network 198.51.100.0/24 is used. ...
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Where should one define aggregate routes in ISP network?
It's a common practice to advertise aggregate routes to upstream providers or peering partners. However, where should one configure aggregate routes in its own network? Ideally in every router on the ...
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ISP Multi-homing in Datacenter
My company is in the process of getting another ISP connection in one of the data centers we co-locate in. Should our main internet circuit fail, we want to failover to this new ISP that has a diverse ...
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Network Design: Daisy Chaining vs One Centralized Switch
I am curious as to what the "standard" is when it comes to designing a network with the given constraints:\
cable runs would be more than what cat5e/6 would allow without a repeater\
one ...
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avoid announcing longer prefixes to the Internet without compromising on reliability
Let's say, that there is an enterprise network with four IP transit providers:
As seen above, two of those IP transit providers connect to routers in one data center and other two connect to routers ...
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Issues expanding subnet from /24 to /21
I've read the posts already here about increasing a subnet and the various possible issues including broadcast traffic. But those examples seem to be a drastic change from a /24 to a /16. What about ...
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For IPv6, How much processing delay difference between using /64 and /127 for Core network interconnection?
I've question about IPv6 routing processing delay.
Lets assume we've got big Core network with huge traffic and many hops.
All router's p2p interconnection addresses are used /127 network.
In my ...
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Server with multiple NICs takes different route when answering
I have multiple servers which share 2 networks.
That is the LAN Network at 192.168.1.0/24,
aswell as the Backbone Network at 192.168.5.0/24.
┌────────────────┐
...
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Is a port channel necessary between redundant core switches?
A course I am following mentions some examples and basics of network design, which includes the 2-tier/3-tier campus LAN designs.
About the 3-tier design
Would a port channel be necessary between C1 ...
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Are routers necessary in a 2-tier LAN design?
I am learning about various network topologies/design and I often see the following topology as an example for a 2-tier design.
Why are the layer 3 switches at the distribution layer connected to ...
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Why are rings not a favorite option in IT networks?
I'm an engineer in the automation field. I've been switching slowly to networking. I've started in the automation world 12 years ago.
With an automation mindset, we use rings (like MRP rings) ...
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Office is 420m away from the landline relay box, need help figuring out a solution
We are an agricultural technology startup, we develop and provide advanced solutions like hydroponics etc. We are based in Egypt, Africa; where the most you can wish for is FTTC, regardless, the ...
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Can a router provide DHCP to multiple subnets that are connected via switches?
I'm trying to understand if it is possible to have a router (as shown in the below diagram) provide DHCP leases to more than one subnet if the subnets are not directly attached.
If both the printers ...