Top new questions this week:
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I know there are 3 ways for Router ID to be selected in OSPF but my question is specific to the auto-select of ID on basis of highest IP address (loopback or non-loopback). Why is the highest IP ...
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I'm trying to learn about PoE and a friend told me the 100 meter limitation on a PoE circuit is because of the DC voltage drop on the power channel, not the data. I had understood the opposite, that ...
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The maximum size of an IPv4 packet is 65,535 because the Total Length field is a 16-bit unsigned integer, which has a possible 65,536 values (from 0 to 65,535).
This created 2 confusions for me.
Say ...
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I'm new to networking and PoE but am trying to understand it enough to explain myself. I recently spoke to a Genisys lighting rep who told me their systems couldn't be on the same network as an IP ...
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For example there is an IP address 192.168.0.1
It is clear that you can use it as the full line, but try that one 192.168.1
It will also work, and it will be automatically converted to 192.168.0.1
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Greatest hits from previous weeks:
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I'm testing a network and I use the vlan among 20 vlan but in this packet tracer I just use 10 Vlan on my network,
In this case, I use the DHCP server on my multilayer switch, not on my router.
so ...
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I'm trying to figure out the MAC address of my router.
This picture is of using the command ipconfig:
This picture is of using the arp -a command:
I see it says my IPv4 address is 192.168.1.114, so ...
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It is clear that hosts on two different VLANs can't directly communicate on a single switch, but how do they communicate to each other at all? Do they use a router? How does it work?
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Can someone explain me, what is difference between DHCPv6 Stateful and Stateless? I was looking on the net and, surprisingly, I found only the remains of information but some general comparison or ...
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It's my understanding that TCP has logic for ensuring reliable communication, but UDP just naively sends information along the channel set up for it using IP and things in lower layers.
Does UDP ...
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I can not use ping 'target' source 'interface'
ping 192.168.0.2 source lo0
% Invalid input detected at '^' marker.
It's possible if I use "ping"
R2#ping
Protocol [ip]: ip
Target IP address: 192....
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These days both fibre and twisted pair are supporting 1000BASE-T and 10GBASE-T, but when do you choose one over the other? The obvious one is maximum cable length, but what are other factors which ...
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