Network Engineering

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Awarded 1075 times.
What are the differences in the contents of datagrams, frames, and network packets?
Awarded Sep 12 at 19:33
What is nodal delay?
Awarded Sep 4 at 9:06
Does Switch need its own MAC address?
Awarded Aug 17 at 18:18
Why is the IPv6 link-local address range fe80::/10 rather than fe80::/64?
Awarded Aug 7 at 3:35
Why in TCP the first data packet is sent with "sequence number = initial sequence number + 1" instead of "sequence number = initial sequence number"?
Awarded Jul 14 at 13:50
Why use IP if we already have a MAC address?
Awarded Jul 11 at 12:48
Why do I need to specify a subnet mask on interface?
Awarded Jun 11 at 15:26
Dropping malicious packets as close to the source as possible
Awarded May 30 at 6:26
Difference between gateway, router, switches and bridge
Awarded May 28 at 7:35
VLANs over internet
Awarded May 24 at 11:11
Do we send ack frames in ethernet? if not then how does a router know if its neighbors are down or not?
Awarded May 22 at 19:41
Can Cisco Catalyst switch get IP from DHCP server?
Awarded May 10 at 15:42
Sending generic UDP traffic for Network Simulation
Awarded May 8 at 16:03
Why doesn’t ICMP use port numbers?
Awarded Apr 25 at 13:06
What is the difference between tshark, dumpcap and others for collecting/sniffing traffic?
Awarded Apr 21 at 6:15
How can I make a PVST+ switch root towards MST network?
Awarded Apr 16 at 15:55
Is Ethernet a protocol?
Awarded Mar 30 at 23:12
Why do we still use Ethernet?
Awarded Mar 28 at 18:21
Why PPTP, L2TP, PPPOE are in OSI Layer2?
Awarded Mar 28 at 14:33
IEC or SI units (binary prefixes) used for network measurement?
Awarded Mar 23 at 16:41
OSPF or iBGP for interior routing protocol?
Awarded Mar 9 at 19:49
Can anyone explain to me the difference between the PSH and URG flags in TCP segment?
Awarded Mar 6 at 13:23
Packet forwarding in TCP vs UDP
Awarded Mar 3 at 23:37
Exactly when is PMTUD performed? (Path MTU discovery)
Awarded Feb 25 at 8:05
Why does 10Gbps ethernet claim PAM16 encoding then use a squared DSQ128 constellation?
Awarded Feb 16 at 10:27
What exactly is IPoE?
Awarded Feb 15 at 0:21
Using wireless cards in promiscuous mode
Awarded Feb 1 at 8:42
Do LACP MTUs (or other link-level MTUs) need to match?
Awarded Jan 18 at 16:55
How HTTP is converted to TCP and then how TCP converted to IP?
Awarded Jan 15 at 7:56
Analyze Network Traffic by Autonomous System Number?
Awarded Jan 5 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
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