Tag: mac-address

37 Why does ipv6 specify 128 bit address, when there are only 48 bits in MAC addresses? 2013-06-04T09:25:44.260

31 How can I stop an intruder plugging into an Ethernet wall socket getting access to the network? 2015-09-06T14:36:26.863

19 Reason for both a MAC and an IP address 2013-09-22T14:35:28.450

18 TCPDump - Filter by MAC Address 2015-07-07T00:53:35.587

16 How does a switch learn a switch table? 2014-11-14T10:29:53.900

14 Can my MAC address be identified by a web site? 2016-03-27T13:38:07.240

13 How are IP addresses mapped to MAC addresses? 2014-06-26T09:52:12.810

13 Why is the CAM table in a switch called CAM table and not MAC table even though it holds MAC addresses? 2017-08-30T13:54:19.627

12 Will duplicated MAC address give problems, if in different VLANs? 2013-08-28T14:17:33.677

10 Find MAC address of a remote computer using IP 2016-01-03T19:28:45.703

10 Does the source MAC address of a frame change when it passes through several switches? 2016-03-01T19:12:24.583

9 ipv6 addressing /127 vs eui-64 2013-06-23T17:09:03.920

9 How to find a list of devices connected to my network (IP's and MACs) 2013-06-24T17:41:31.160

9 Differences and functions of type codes 0800 and 0806 2014-01-15T01:30:23.077

9 Raw-Ethernet Frames 2015-12-17T19:14:56.900

9 What use are MAC addresses? 2016-02-04T18:53:00.097

8 How to infer 2960S switch base ethernet MAC Address 2013-08-05T17:18:59.250

8 Why don't switches rewrite mac-addresses? 2013-12-06T06:11:07.187

7 Finding Non-Cisco End Device IP Addresses Connected to Cisco Switch 2014-06-09T10:41:59.063

7 Won't GLBP confuse a switch's mac address-table? 2014-07-25T00:16:45.997

7 How are MAC/IP addresses used in routing 2015-10-13T17:16:22.213

7 What are EUI-48 and EUI-64? 2015-10-21T09:45:21.453

7 Does a switch always get a MAC address from a PC? 2018-02-05T17:15:17.697

6 Position of source and destination IP in an IP packet 2013-08-28T18:19:15.587

6 HP Procurve 3500 with K.14 - strange MAC search issue 2013-09-19T09:17:59.327

6 Switch Lookup Table 2013-10-07T05:50:09.173

6 Is it possible to use single MAC address for multiple IPv4 addresses? 2014-01-04T09:54:14.000

6 SVI as a DHCP client 2014-03-20T20:33:07.550

6 How can there be more than one MAC address on single switch port? 2014-06-29T15:14:14.947

6 Using SNMP retrieve MAC addresses of directly connected machines to a switch 2014-11-20T08:32:57.760

6 Learn MAC addresses via replies to other hosts requests 2016-02-17T12:37:57.880

6 How does a switch learn a MAC address not in its lookup table? 2016-04-05T18:33:56.233

6 Why don't we use MAC address instead of IP for having "Internet" or doing communication? 2016-06-18T11:15:09.217

6 Lab: I need to determine information about a device on a specific port of a Cisco multilayer switch 2017-10-26T22:59:58.357

5 How ARP works in case of Virtual machine? 2013-10-07T07:00:12.697

5 Cisco IOS: How to view MAC addresses on an Ethernet pseudowire 2014-08-19T12:30:49.500

5 Why each and every single port on Layer 2 switches need to have it's own MAC address? 2014-09-09T19:25:09.477

5 Differentiating OUI MAC addresses from random MAC addresses 2015-05-27T08:56:47.733

5 Unable to fetch Mac-Address table via SNMP. Is there a command/setting I need to enable? 2015-07-21T15:13:50.923

5 How does a switch know where to route packet, when there is another switch in front of the destination? 2015-08-25T13:32:32.967

5 IP Address vs MAC Address, how does that really work together illustration 2015-11-28T13:04:37.163

5 MAC address can be used to generate an IPv6 link local address 2016-01-09T20:25:53.727

5 How is Multicast IP mapped to Multicast Mac address? 2016-02-19T13:16:24.443

5 Learning of MAC addresses with cut-through switching? 2016-03-15T11:10:47.750

5 Do Bluetooth Devices have MAC address with the same specification as the MAC addresses of the Ethernet and Wi-Fi Network cards? 2016-11-27T22:26:59.327

5 How are duplicate packets handled at the Data Link Layer? 2017-02-06T07:27:23.623

5 Cisco MAC Sticky Ports 2017-12-22T18:38:44.023

4 What to use as ARP request Target Hardware Address? 2013-10-13T16:20:21.913

4 authentication mac-move permit 2013-12-30T14:41:28.580

4 How to trace a MAC address on a switched LAN? 2014-01-13T21:26:48.090

4 What is the difference between ipNetToMediaPhysAddress and dot1qTpFdbPort? 2014-03-04T12:38:58.930

4 Did the LSB-first method of transmitting the canonical MAC address in Standard Ethernet have any specific advantages? 2014-09-22T17:30:32.333

4 Ethernet Neighbor Discovery? 2015-05-19T21:28:44.603

4 MAC Address cloning. Why and when is it required? 2015-06-25T01:23:28.520

4 Which switch MAC addresses are used for the Bridge ID in STP? 2015-12-21T11:53:58.580

4 Why use one MAC per port design in L2 switch for STP function 2016-02-17T05:54:55.697

4 Why do we use VLAN? 2016-03-02T21:59:02.653

4 Wrong dynamic ARP entry - IP Address couldn't pinged 2016-03-23T07:49:46.333

4 Why do LANs use MAC addressing instead of IP addressing? 2016-06-12T05:37:08.750

4 show mac address on aggregated interface - Junos 2017-08-21T16:02:30.427

4 Possibly an issue with MAC aging 2018-04-17T08:54:30.680

4 Can I assign any MAC address in my internal network? 2018-07-13T11:41:59.483

4 Do routers change MAC address of packets when forwarding 2018-09-19T14:31:05.743

4 Need help understanding how packets travel across the internet 2018-10-19T07:44:44.603

4 Is there any relation between MAC addresses of a dual band (2.4 and 5 GHz) router? 2018-11-13T06:01:04.333

3 VLAN assignment based on mac-address or RADIUS attribute 2013-10-30T07:02:40.993

3 When are MAC addresses used instead of IP addresses in the OSI model? 2014-07-07T05:05:35.637

3 What happens if two hosts with the same MAC address are in the same broadcast domain? 2014-10-03T09:45:15.790

3 does MAC filtering provide security against MAC spoofing in wired networks? 2014-11-12T05:31:28.700

3 Which layer does modem operate and are they still used? 2015-02-12T21:37:57.943

3 What are wifi location scans and auto join scans? 2015-06-11T08:39:56.170

3 ARP table does not store devices responding to a broadcasted ping request 2015-07-09T22:28:37.380

3 What is the point of ARP? 2015-09-02T18:13:48.253

3 ICMP packet with correct mac address but wrong ip address 2016-01-17T05:56:55.280

3 How do we prevent loss of sensitive information from MAC spoofing? 2016-02-11T20:37:11.043

3 Get MAC address of directly connected network neghbor 2016-03-24T15:47:00.343

3 When a datagram moves through a network, do the MAC or IP addresses change? 2016-04-20T21:24:50.497

3 Why do we need MAC Address if we can uniquely identify each machine with an IP Address 2016-09-09T16:59:16.917

3 Cisco Catalyst 2960 X MAC access list 2016-10-27T15:53:51.143

3 mac access management with fortigate 90d 2017-03-16T19:02:59.887

3 Juniper ARP table max limit 2017-05-08T22:35:08.967

3 Are IP source and destination fields necessary on LAN? 2017-05-14T22:06:15.377

3 Get MAC address of all devices (IP cameras) connected to switch 2017-09-08T02:44:25.257

3 MAC addresses of hosts that violate port-security 2017-10-26T16:17:15.447

3 Dell N3000 - Use port security for certain ports while Dot1x is globally enabled 2017-11-28T14:33:19.400

3 Distributed Trunking Inconsistent MAC table 2018-01-15T17:07:32.987

3 Switch MAC learning problem 2018-06-08T16:13:56.703

3 Is there a Layer 2 address advertising protocol? 2018-07-28T21:48:11.097

3 Possibility of using Cisco "port security" in sensor networks? 2018-09-07T08:06:13.197

3 Is it a protocol of flooding to find the MAC address? 2018-11-08T06:12:05.283

3 How to find the switch IP address based on MAC address? 2018-11-08T14:17:07.160

2 Data Link Messaging Protocol 2013-06-15T19:42:56.403

2 How to update the ARP table of a router or switch? could it be possible through broadcasting? 2014-04-25T10:54:55.430

2 When it comes to Computer Networks, what is a logical address and physical address? 2014-06-25T17:42:21.823

2 Layer-2, static forwarding on a Juniper SRX? 2014-08-23T01:45:00.513

2 Ping a mac address to get it to reply and update mac address-table 2014-11-13T19:25:28.120

2 Why bb:bb:bb:bb:bb:bb is non-unicast mac address? 2015-01-14T07:51:06.887

2 Is a source Mac Address required for two directly connected computers? 2015-02-08T13:48:32.577

2 ARP: how are MAC changes for an IP detected? 2015-02-11T12:21:37.770