Network Engineering

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Is QoS an issue for VOIP calls over the Internet? If not, why not?
Awarded Dec 2 at 15:43
What is the use-case of including the IPv4 address in IPv6 address?
Awarded Nov 15 at 12:06
RSTP vs. STP it really sounds just a big ball of semantics? what's the main difference between them?
Awarded Nov 15 at 2:25
Why are rings not a favorite option in IT networks?
Awarded Oct 29 at 18:07
Does port mirroring cause additional latency?
Awarded Sep 25 at 13:51
Does Switch need its own MAC address?
Awarded Aug 17 at 18:18
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 15 at 14:20
why TTL value 1 in IGMP
Awarded Jun 2 at 10:08
What is backpressure in the context of routers?
Awarded May 31 at 22:49
TCP port 0 reserved for what purpose?
Awarded Apr 14 at 12:42
What is "1 Erlang" for network data traffic?
Awarded Apr 10 at 16:42
Is Ethernet a protocol?
Awarded Mar 30 at 23:12
Why PPTP, L2TP, PPPOE are in OSI Layer2?
Awarded Mar 28 at 14:33
Do I need to protect SFP ports and optics from dust/contaminants? If so, how?
Awarded Mar 28 at 7:42
IEC or SI units (binary prefixes) used for network measurement?
Awarded Mar 23 at 6:32
Why does 10Gbps ethernet claim PAM16 encoding then use a squared DSQ128 constellation?
Awarded Feb 16 at 10:27
How is tcp/ip implemented
Awarded Feb 11 at 16:46
Why does FTP passive mode use a range of ephemeral ports as opposed to a single well known port? [closed]
Awarded Jan 25 at 11:36
Is there a way to capture only gratuitous ARP's using tcpdump?
Awarded Jan 23 at 8:11
Does every host on the LAN share the same ARP table, or do hosts keep them individually?
Awarded Jan 21 at 8:41
How HTTP is converted to TCP and then how TCP converted to IP?
Awarded Jan 15 at 7:56
Why maximum length of IP, TCP, UDP packet is not suit?
Awarded Jan 2 at 13:16
What is IP squat space
Awarded Dec 30, 2022 at 9:18
Is CIDR IP format currently in use?
Awarded Dec 19, 2022 at 16:58
Can a single optical fiber support full-duplex communication?
Awarded Dec 7, 2022 at 18:27
What is the difference between routing table and forwarding table?
Awarded Nov 30, 2022 at 20:32
Why is DNS an application layer protocol?
Awarded Nov 24, 2022 at 12:08
Why do LANs use MAC addressing instead of IP addressing?
Awarded Nov 19, 2022 at 0:31
Is `0.0.0.0/1` a valid IP address? If so, what does it indicate?
Awarded Nov 17, 2022 at 14:31
dhcpv6 - stateful VS stateless, what is difference between it?
Awarded Nov 9, 2022 at 14:56
What is the use of the IPv6 scope ID?
Awarded Nov 4, 2022 at 16:55
Traceroute Over TCP vs UDP
Awarded Sep 14, 2022 at 6:56
Why do we need ports with IPv6?
Awarded Sep 2, 2022 at 9:46
How does a router find the next hop when the receiver is in a distant IP network?
Awarded Aug 9, 2022 at 18:26
Why is symmetric NAT called "symmetric"?
Awarded Jul 30, 2022 at 14:16
Minimum ethernet frame is 64 bytes, Why the payload must be padded to at least 46 bytes
Awarded Jul 13, 2022 at 9:08
Can anyone explain to me the difference between the PSH and URG flags in TCP segment?
Awarded Jun 10, 2022 at 16:03
How much RAM you actually need to keep whole global BGP routing table?
Awarded Jun 10, 2022 at 9:57
What is the minimum MTU size?
Awarded Jun 1, 2022 at 10:47
OSPF or iBGP for interior routing protocol?
Awarded May 24, 2022 at 14:28
Why is Packet Size Limited?
Awarded Mar 29, 2022 at 12:30
What is the difference between layer-2 and layer-3 broadcasts? Please explain with an example
Awarded Mar 27, 2022 at 9:05
Does the destination port change during TCP three-way handshake?
Awarded Mar 19, 2022 at 10:27
Cisco IPv6 BNG Radius Attributes
Awarded Mar 2, 2022 at 10:33
How `UDP Hole Punching` Works?
Awarded Feb 14, 2022 at 21:46
What layer of the OSI model deals with ports?
Awarded Feb 7, 2022 at 20:43
How come SFP modules are so incompatible?
Awarded Jan 20, 2022 at 12:36
Why one of the pairs on Ethernet is not adjacent?
Awarded Dec 29, 2021 at 0:56
why STUN doesn't work with symmetric NAT?
Awarded Dec 18, 2021 at 19:40
Bandwidth vs Throughput vs Data(bit) rate
Awarded Nov 1, 2021 at 13:57
OSI model and physical location of the layers
Awarded Oct 21, 2021 at 23:36
OSPF Election with a /30 link?
Awarded Oct 10, 2021 at 8:09
Where are 0 TCP/UDP ports banned?
Awarded Oct 8, 2021 at 7:46
Why does an Ethernet cable have four pairs?
Awarded Sep 30, 2021 at 17:55
Stateful vs Stateless IPv6?
Awarded Sep 23, 2021 at 1:22
Asymetric routing - causes and effects?
Awarded Sep 15, 2021 at 4:06
Strange drop-outs in Cisco 7200 LNS lab
Awarded Sep 11, 2021 at 11:32
Why does PPP need an underlying protocol?
Awarded Sep 11, 2021 at 11:26
Is TCP maximum segment size (MSS) "clamping" compatible with IPv6?
Awarded Sep 5, 2021 at 15:47
Mitigating bad/malicious IPv6 RA announcements
Awarded Sep 5, 2021 at 15:31
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