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Network Engineering

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Awarded 1117 times.
Why PPTP, L2TP, PPPOE are in OSI Layer2?
Awarded Mar 28, 2023 at 14:33
IEC or SI units (binary prefixes) used for network measurement?
Awarded Mar 23, 2023 at 16:41
OSPF or iBGP for interior routing protocol?
Awarded Mar 9, 2023 at 19:49
Can anyone explain to me the difference between the PSH and URG flags in TCP segment?
Awarded Mar 6, 2023 at 13:23
Packet forwarding in TCP vs UDP
Awarded Mar 3, 2023 at 23:37
Exactly when is PMTUD performed? (Path MTU discovery)
Awarded Feb 25, 2023 at 8:05
Why does 10Gbps ethernet claim PAM16 encoding then use a squared DSQ128 constellation?
Awarded Feb 16, 2023 at 10:27
What exactly is IPoE?
Awarded Feb 15, 2023 at 0:21
Using wireless cards in promiscuous mode
Awarded Feb 1, 2023 at 8:42
Do LACP MTUs (or other link-level MTUs) need to match?
Awarded Jan 18, 2023 at 16:55
How HTTP is converted to TCP and then how TCP converted to IP?
Awarded Jan 15, 2023 at 7:56
Analyze Network Traffic by Autonomous System Number?
Awarded Jan 5, 2023 at 11:41
session layer in OSI model
Awarded Dec 27, 2022 at 7:05
session layer in OSI model
Awarded Dec 27, 2022 at 7:05
WiFi versus Wireless LANs
Awarded Dec 22, 2022 at 15:22
Difference between firewall and ACL
Awarded Dec 18, 2022 at 22:06
Does having a longer Ethernet cable slow your connection?
Awarded Dec 17, 2022 at 3:28
Why are IP addresses given to each interface and not device? What would the implications of that be?
Awarded Dec 17, 2022 at 3:28
Why can I send 127.0.0.1 to 127.0.0.0 on my network?
Awarded Dec 8, 2022 at 16:47
Leased Lines vs MPLS
Awarded Dec 7, 2022 at 22:56
Where to cross RX/TX line in fibre optical cabling
Awarded Nov 27, 2022 at 11:28
Traceroute UDP port question
Awarded Nov 22, 2022 at 2:27
Can a single optical fiber support full-duplex communication?
Awarded Nov 18, 2022 at 18:34
Is `0.0.0.0/1` a valid IP address? If so, what does it indicate?
Awarded Nov 16, 2022 at 5:05
Is `0.0.0.0/1` a valid IP address? If so, what does it indicate?
Awarded Nov 15, 2022 at 10:50
Do I get any security benefits by NATing a network that's already behind a firewall?
Awarded Nov 10, 2022 at 5:17
What is the use of NTP server when devices have accurate time?
Awarded Nov 9, 2022 at 13:34
What is the use of NTP server when devices have accurate time?
Awarded Nov 7, 2022 at 18:27
What is the use of NTP server when devices have accurate time?
Awarded Nov 7, 2022 at 1:22
Why are rings not a favorite option in IT networks?
Awarded Oct 22, 2022 at 4:57
Why are rings not a favorite option in IT networks?
Awarded Oct 22, 2022 at 2:02
How exactly does an Ethernet collision happen in the cable, since nodes use different circuits for Tx and Rx?
Awarded Oct 17, 2022 at 9:07
VRFs, VLANs and subnets: difference
Awarded Oct 14, 2022 at 5:34
When is BGP needed?
Awarded Sep 28, 2022 at 14:27
Can two different applications bind the same port on a host if they use different protocols?
Awarded Sep 21, 2022 at 8:09
How does UDP NAT Know When To Remove The Rule
Awarded Sep 17, 2022 at 3:08
How does Deep Packet Inspection work with encrypted packets?
Awarded Sep 11, 2022 at 14:31
Why do we need ports with IPv6?
Awarded Sep 1, 2022 at 18:07
How does a router find the next hop when the receiver is in a distant IP network?
Awarded Aug 8, 2022 at 17:56
Can you reduce RTT by increasing the bandwidth on a link?
Awarded Aug 6, 2022 at 7:42
Usage of Flow label in IPv6 header?
Awarded Jun 29, 2022 at 22:10
TCP - Why do RST packets not require acknowledgements (and FIN packets do)?
Awarded Jun 27, 2022 at 13:56
Network latencies between opposite ends of the Earth
Awarded Jun 27, 2022 at 8:38
OSPF without Area 0
Awarded Jun 25, 2022 at 23:32
How do I read optical transmit power via SNMP on Cisco ASR9k?
Awarded May 26, 2022 at 11:26
What is the difference between data rate and latency?
Awarded May 6, 2022 at 12:20
How Does A Layer 2 Switch Differentiate Between Different Networks?
Awarded May 5, 2022 at 12:45
What does the output of this tcpdump mean?
Awarded Apr 9, 2022 at 18:36
Bandwidth vs Throughput vs Data(bit) rate
Awarded Apr 6, 2022 at 15:17
Why is Packet Size Limited?
Awarded Mar 30, 2022 at 11:15
Why is Packet Size Limited?
Awarded Mar 28, 2022 at 22:21
Why are Internet hosts "not required" to receive an IPv4 datagram larger than 576 bytes?
Awarded Mar 28, 2022 at 10:22
What is the proper name for hexadecimal like standard notation of an IPv6 address?
Awarded Mar 28, 2022 at 9:20
Should a router use SLAAC for IPv6 address assignment?
Awarded Mar 21, 2022 at 16:35
Multiple POE over a single cable
Awarded Mar 10, 2022 at 18:57
Why don't we use MAC address instead of IP for having "Internet" or doing communication?
Awarded Mar 8, 2022 at 10:07
Is CIDR IP format currently in use?
Awarded Feb 28, 2022 at 1:35
Is CIDR IP format currently in use?
Awarded Feb 26, 2022 at 17:21
What is the difference between broadcasting and flooding?
Awarded Feb 9, 2022 at 8:06
Why is symmetric NAT called "symmetric"?
Awarded Feb 7, 2022 at 23:00
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