Hottest Questions This Week

6

votes

4

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1k

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Does every host on the LAN share the same ARP table, or do hosts keep them individually?

answered Feb 18 at 10:14 Criggie 266

9

votes

3

answers

2k

views

I have a single ethernet switch. Should I use spanning tree?

switch spanning-tree redundancy

modified Feb 19 at 22:39 Marc 'netztier' Luethi 3,913

5

votes

2

answers

161

views

How to display entire MAC address table on HP switches

switch mac-address hp

answered Feb 20 at 13:01 Zac67 29.7k

3

votes

1

answer

317

views

How a router know where to send a packet with the exit interface route command?

route

modified Feb 19 at 13:58 Marc 'netztier' Luethi 3,913

0

votes

2

answers

57

views

Fastest spanning tree in multiple-ring topology

switch spanning-tree ieee-802.1w

modified yesterday Zac67 29.7k

2

votes

2

answers

163

views

Spanning tree Priority values

switching spanning-tree ieee-802.1s

answered yesterday Zac67 29.7k

2

votes

2

answers

122

views

QoS for OSPF, VOICE and CRITICAL Traffic

cisco switch cisco-catalyst qos

modified Feb 16 at 20:58 Ron Maupin♦ 65.9k

1

vote

2

answers

42

views

How does ethernet understand what is the upper layer? What are the values in Ethernet II field?

ethernet layer2

modified Feb 18 at 17:04 Ron Maupin♦ 65.9k

2

votes

1

answer

29

views

Which device initiates the data exchange in OSPF (is it the master device or slave)?

routing ospf

modified 2 days ago Jesse P. 583

2

votes

1

answer

44

views

InterVLAN routing issue

routing switch vlan

modified yesterday Marc 'netztier' Luethi 3,913

2

votes

1

answer

48

views

MAC Table vs ARP

mac-address arp layer2 layer3

modified Feb 17 at 16:55 Ron Maupin♦ 65.9k

0

votes

2

answers

29

views

Confused between packet switching and circuit switching

switching

answered yesterday Zac67 29.7k

0

votes

2

answers

47

views

Get DHCP IP with subinterface

cisco dhcp ip-address packet-tracer interface

modified Feb 18 at 18:07 Arash Ghaffari 1

2

votes

1

answer

23

views

Subinterface on Cisco ASA 5550 does not work with VLAN on HP ProCurve

cisco vlan cisco-asa hp-procurve

modified 2 days ago Ruslan 51

3

votes

1

answer

28

views

Is there any problem with using wifi to continuously signal numerous sensors?

router ieee-802.11

answered Feb 20 at 10:55 jonathanjo 11.7k

3

votes

1

answer

34

views

ip dhcp class command

ip cisco-ios dhcp

modified 2 days ago jonathanjo 11.7k

0

votes

1

answer

26

views

Connecting two ISPs on one network

network lan networking

answered yesterday Ron Trunk 36.9k

0

votes

1

answer

33

views

Get DHCP IP from ISP

cisco packet-tracer

answered Feb 16 at 23:38 Ricky Beam 21.8k

2

votes

1

answer

26

views

HPE IRF Stack why do I need two physical ports?

switch hp redundancy ieee-802.1ax stacking

answered Feb 20 at 13:52 user1016274 753

0

votes

0

answers

41

views

Block internet on a Cisco catalyst 3560 port

cisco switch internet acl switchport

modified 2 days ago Cown 6,261

1

vote

1

answer

24

views

How to view/backup the 'ASA' config from a Firepower device?

cisco cisco-asa cisco-firepower

answered Feb 18 at 13:29 djsmiley2k 191

0

votes

1

answer

24

views

SonicWall global vpn

vpn network

modified yesterday Jesse P. 583

0

votes

1

answer

38

views

How to transition an unauthenticated OSPF area to an MD5 authenticated area on a Cisco?

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modified 21 hours ago Octavian 18

0

votes

1

answer

28

views

What does a LoRa Gateway actually do?

wireless

answered yesterday Benoit PHILIPPON 226

0

votes

1

answer

35

views

Does running a Wireshark application increase the monitored bandwidth? [on hold]

wireshark bandwidth interface packet-analysis

modified Feb 18 at 13:49 Konstantin Goncharenko 136

1

vote

0

answers

34

views

Why do the tunnel protocol on these two router show different values

router vpn ipsec tunnel

modified Feb 18 at 4:05 P_K 16

0

votes

1

answer

34

views

NMAP with Ethernet Switch [on hold]

network

answered yesterday Zac67 29.7k

1

vote

1

answer

20

views

Defining what type of casting based on IPv4 address

ipv4 ip-address multicast broadcast networking

modified Feb 18 at 3:23 Ron Maupin♦ 65.9k

-3

votes

2

answers

53

views

In OSPF, can I have an NSSA router act as the DR for the ABR router in area 0?

ospf

modified Feb 19 at 22:25 Ron Maupin♦ 65.9k

-1

votes

1

answer

27

views

convert char array containing ipv6 address to dotted ipv6 format using network APIs in linux [on hold]

ipv6

answered Feb 19 at 9:20 Datagram.Network 1,362

0

votes

0

answers

26

views

Why use 2 switches with the same VLAN [closed]

switch vlan

asked Feb 17 at 13:00 The_Bear 71

0

votes

0

answers

26

views

Why do I need to add 4 dummy bytes after the full MAC frame before starting the interframe gap for a proper diassembly? [on hold]

ethernet layer1 layer2 tunnel

modified Feb 19 at 16:25 Balazs F 1

-1

votes

0

answers

26

views

Hi Please help me to divide below network address into 2 sub nets . 172.172.172.172/24 [on hold]

ipv4

asked yesterday anonymous 1

1

vote

0

answers

25

views

Still cannot get port-forward working in my ASA 5505 - trying the DMZ port now

cisco-asa port-forwarding

modified 2 days ago SamAndrew81 128

-3

votes

0

answers

25

views

Determine if an IP address is in an IP Address Range [on hold]

ip

asked 2 days ago Mojo 1

0

votes

1

answer

25

views

High Availability for ISR 4431 VPNs

vpn ospf ipsec redundancy hsrp

modified yesterday Zac67 29.7k

-2

votes

0

answers

24

views

Accessing OpenVPN server from client on a home network [on hold]

router vpn firewall

modified Feb 18 at 13:17 Johan Falkenjack 1

0

votes

0

answers

24

views

Allied Telesis AT-FS750 MAC authorization with FreeRadius

switch authentication radius ieee-802.1x mac-auth-bypass

modified 2 days ago Cown 6,261

0

votes

1

answer

14

views

ACL and ACEs Query

tcp network acl gns3 topology

answered yesterday Zac67 29.7k

0

votes

1

answer

23

views

How to plot and benchmark UDP response time?

wireshark udp packet-analysis tcpdump

answered Feb 20 at 8:59 UaT 23

0

votes

0

answers

23

views

Multimode to Singlemode optic Fiber [on hold]

fiber sfp hardware optics

modified Feb 18 at 13:45 Cown 6,261

0

votes

0

answers

23

views

Destination NAT based on subdomain? [on hold]

nat juniper-junos juniper-srx

asked Feb 19 at 14:57 Scott Beeson 101

0

votes

0

answers

21

views

Could not open two websites with Sonicwall [on hold]

firewall sonicwall

modified 20 hours ago koko 3

0

votes

0

answers

20

views

pfSense: Route traffic from LAN to OpenVPN client

routing network pfsense

asked Feb 16 at 20:08 Daniel 106

0

votes

0

answers

20

views

Subnetting with dhcp for a school project [closed]

vlan ip subnet dhcp

modified Feb 17 at 10:50 Zac67 29.7k

0

votes

1

answer

15

views

Ethernet Protocols (Modbus TCP/IP & Ethernet/IP) can be in the same network and in a ring topology without problems?

switch switching lan topology

answered yesterday Ron Trunk 36.9k

0

votes

0

answers

19

views

Why does PAP authentication not work in Packet tracer 7.2?

packet-tracer ppp

modified Feb 19 at 10:53 Somenath Sinha 147

0

votes

0

answers

19

views

CSU/DSU's and DSL modems

wan modem

asked Feb 16 at 23:53 aaaaaaaaaaaaa 1

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