Network Engineering

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Answer a question with score of 1 or more.
Awarded 2687 times.
Is a “LAN” a layer 2 or a layer 3 concept, in TCP/IP?
Awarded Aug 10 at 4:30
What's the difference between IKE and ISAKMP?
Awarded Aug 8 at 6:43
What is the easiest way to regain access to the Sonicwall configuration management after I have locked myself out by deactivating https management
Awarded Aug 7 at 21:07
Do extension headers in IPv6 increase the header length
Awarded Aug 5 at 17:41
How to find a AS-SET of an asn?
Awarded Aug 1 at 11:51
Why does Junos create two entries in LIB for single tag- one with “S=0” and other with implicit “S=1”?
Awarded Jul 29 at 13:36
Network Daughter Card vs Network Interface Card
Awarded Jul 28 at 9:27
How does ARP work between two routers?
Awarded Jul 25 at 8:55
Some mobile clients are unable to connect to UniFi AP mysteriously
Awarded Jul 22 at 12:11
Why the different colours for SACK markers in Wireshark's tcptrace graph?
Awarded Jul 22 at 11:35
Huawei switch mac address sticky (model S5720) persistence after power cycle
Awarded Jul 22 at 10:17
Why does a switch with an incomplete mac address table - sends a broadcast when it receives a frame with an unknown mac address?
Awarded Jul 20 at 13:07
Cisco NX-OS 9K - LDAP Configuration
Awarded Jul 20 at 1:31
Recommended switches and routers configurations for a building of 5 floors?
Awarded Jul 8 at 10:45
Why can't we create a hierarchy of hubs?
Awarded Jul 6 at 14:58
Can the network devices run out of ephemeral ports due to high use of websockets?
Awarded Jul 6 at 13:10
How is this tool called for sorting out wires on newly installed patch panels?
Awarded Jul 5 at 13:47
WHY and HOW do routers and vlans break broadcast domains?
Awarded Jul 4 at 20:30
Blocking 2 VLANs from accessing a specific VLAN on a network
Awarded Jul 4 at 15:16
EIGRP route redundancy in a ring topology
Awarded Jun 30 at 9:33
How to connect 5 different networks together?
Awarded Jun 24 at 7:03
Why is the U/L bit inversed in EUI64?
Awarded Jun 21 at 1:48
Why is the U/L bit inversed in EUI64?
Awarded Jun 19 at 9:42
How to control unwanted UDP traffic (Broadcast & Multicast) on Cisco Router 2911?
Awarded Jun 18 at 10:27
Swapping to new ASA hardware - same configuration - what are the pitfalls?
Awarded Jun 14 at 2:46
Is there a Gigabit switch in packet tracer (more than two gigabit ports)?
Awarded Jun 10 at 15:46
Fiber cable mixing single mode with multi mode
Awarded Jun 8 at 15:46
Mobile hotspot device vs phone personal hotspot
Awarded Jun 7 at 17:26
CRC errors in DC, ruled out L1 issues
Awarded Jun 7 at 10:16
Understanding traffic flow on SVIs
Awarded Jun 5 at 21:56
BGP Community Policy to only allow single Community tagged routes
Awarded Jun 4 at 7:05
Does Cisco-IPSLA work with Huawei-NQA?
Awarded Jun 3 at 13:53
How to save authorization infos on UniFi Network Controller?
Awarded Jun 2 at 1:02
Can anyone explain to me the difference between the PSH and URG flags in TCP segment?
Awarded Jun 1 at 11:02
pinging broadcast address
Awarded May 26 at 18:17
(post deleted or otherwise unavailable)
Awarded May 26 at 6:17
Command to power off (not reset) module in Cisco 4500?
Awarded May 25 at 11:01
Command to power off (not reset) module in Cisco 4500?
Awarded May 25 at 11:01
Is there a difference between using a cat 6 wall jack vs using a female-to-female connector?
Awarded May 23 at 9:16
Get ASN Upstreams/Downstreams/Peers
Awarded May 15 at 13:05
Lost communication with automaton if a switch is used
Awarded May 15 at 10:41
What happens when a NAT router reaches its 65,535 connection limit to a specific destination?
Awarded May 7 at 19:20
RIP always add same network adress
Awarded May 6 at 13:12
PTP 1588 VS SyncE
Awarded May 4 at 7:41
Slotted ALOHA efficiency
Awarded May 2 at 16:25
Why is Wireshark unhappy with my Netflow packet sequence numbers?
Awarded Apr 30 at 21:32
Why can't I connect to PfSense via the switch?
Awarded Apr 30 at 14:02
VyOS / Cisco ASA 5520 site-to-site VPN traffic drops after ~10 minutes
Awarded Apr 30 at 8:08
RSTP Sync received every 2 minutes after a TC
Awarded Apr 28 at 20:13
Changing Label for Generic PC in Packet Tracer
Awarded Apr 28 at 14:11
How is the OSPF Opaque LSA Option used?
Awarded Apr 27 at 18:40
transferring IPv4 /32 to another datacenter
Awarded Apr 24 at 18:36
StackWise Virtual Issue on 9500 (network-advantage)
Awarded Apr 24 at 6:08
Why use PPPoE and not use IP directly?
Awarded Apr 22 at 19:31
End-to-End delay
Awarded Apr 21 at 20:00
What considerations should be made when determining whether to use the BGP “network” command vs Redistribution?
Awarded Apr 21 at 12:20
I disabled an interface in vyatta, how do I enable it?
Awarded Apr 20 at 8:21
Can't connect to FTP
Awarded Apr 19 at 12:55
Layering unicast addressing over multicasts
Awarded Apr 17 at 22:19
IP Helper in Multiple Access Switches
Awarded Apr 17 at 13:37
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