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1answer
362 views

Ethernet Frames on Unidirectional Link [closed]

I am working on project to establish system that can only send data (using Ethernet fakeout). Can we send ethernet frames on "Unidirectional link" or physical layer requires two way communication ?
1
vote
1answer
82 views

Get Avarage network trafic data in MB [closed]

Currently i am using a MiroTik router, that has build in a data trafic graph. Its werry well working, but it cant be saved and it shows only last 24h/ last week/ mounth /year. I would like to have ...
1
vote
1answer
45 views

Remote Host Neighbor Cache Entry State after Neighbor Solicitation request

When a Host A sends for the first time a NS request to another Host B, host B answers with a NA. In Host A Neighbor Cache, the state Entry for host B gets from INCOMPLETE to REACHABLE, when NA comes ...
1
vote
1answer
1k views

Relation between Ethernet and 802.11 headers

I would like to ask about the relation between 802.11 and Ethernet L2 Link layer. Are they dependent of each other? Or can they be seen as independent L2 link layers (with only similarities in ...
1
vote
1answer
116 views

What's the relationship of a Router with its loopback interface in logic?

I have a Router1 with a loopback 0 connected to the Router2: the interface brief is bellow: Router1>show ip interface brief Interface IP-Address OK? Method Status ...
1
vote
1answer
744 views

Cisco ASA 9 update ACL programatically

I have been collecting different IP address for VoIP attacks in my infrastructure. These attacks happen every day multiple times. I have created a service which generates a notification to a python ...
1
vote
1answer
1k views

Router table and forwarding table [closed]

There are both routing table and forwarding table inside a router. The question is that how do these two tables connect with each other(if they do) and how does the router functions in respect to ...
1
vote
2answers
387 views

Link Local Address using in NDP (IPv6)

How is using of link local address in NDP. We can discover neighbor by using global address. So why we need link local address in NDP?
1
vote
1answer
1k views

Ansible modules for automate switch Huawei S5700 configuration

Consulting Ansible webpage, I found modules for Huawei CloudEngine series (ce_command, ce_config, etc). But theses modules don't work for others families like switches S5700. So, what Ansible modules ...
1
vote
1answer
81 views

Email not delivered over local wifi, delivered all other times [closed]

I hope this is an appropriate question for here. I'm a software guy, I usually do "ok" figuring stuff out, but I can't get this one. I know it's easy, too.. I just can't get it, and I need help. ...
0
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2answers
54 views

'flat' network design

Is it possible to have a Hub and spoke FlexVPN setup where every spoke has the same LAN subnet. I need to configure 6 spokes with the same subnet at each node., I was thinking NAT but I need to access ...
0
votes
2answers
171 views

Explanation on less than 255 routers inbetween any any two hosts in world (TTL) [closed]

This is a follow up to question., please bear with me., i dont have enough privilege to comment on there., I am new to Networking., the Answer is really confusing., If i ping to google or facebook., ...
0
votes
0answers
46 views

NAT setup for two LANs on same router [closed]

We have a moxa edr 810 series router , we have few devices connected to the router as below. We are using IPsec tunnel for VPN. From VPN we are able to connect Device 2 , but not able to connect to ...
0
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0answers
62 views

ASA - communication between 2 tunnels

I have two IPSEC tunnels with an ASA in the middle Site A - 10.20.4.0 /24 (65.176.80.84) Site B - 192.168.142.0 /24 ASA - 10.99.206.0 /24 (95.12.22.33 Site A - 10.20.4.0 /24 can reach the ASA and ...
0
votes
1answer
155 views

Computer networking dwdm [closed]

Why do we use digital cross connects, which define permanent cross connect between source and destination in core network while the PSTN allocated circuits dynamically as both are types of circuit ...
0
votes
1answer
73 views

Is this translation possible on a router, or do I need a proxy?

Is this possible, I cannot seem to find a solution for it.. Using NAT,I have this config (this is on packet tracer) interface GigabitEthernet0/0/0 ip address 10.1.1.1 255.255.255.0 ip nat inside ...
0
votes
1answer
135 views

How many headers are attached to voice data when we use VoIP services? [closed]

How many headers are attached to voice data when we use VoIP services? What I understand is, the maximum number of headers that can be attached to voice data is 4. For example, Layer-2 would add a ...
0
votes
1answer
5k views

Understanding Latency and Jitter [closed]

Analyzed 2 different internet connection. Details are as: Net-1: Download Speed: 2699 kbps (337.4 KB/sec transfer rate) Upload Speed: 4737 kbps (592.1 KB/sec transfer rate) Latency: 172 ms Jitter: ...
0
votes
2answers
76 views

Packets for Internet Connection [closed]

Consider the following scenario: AP is an access point with internet connectivity and in idle state (ie: no node is connected to it) N is a node that wants to establish an internet connection ...
0
votes
1answer
80 views

Is it possible to append custom data to every packet of a request? [closed]

For an end-to-site VPN, i.e. where a device (VPN client) is responsible for encapsulating the GRE packet, is it possible to send some custom data along with the GRE packet beyond just the standard ...
0
votes
2answers
159 views

How to connect four networks with overlapping addresses?

We have four networks for four departments: R&D, Sales, admin and finance. All IP addressing is from the 192.168.1.0/24 network. So, maybe four PCs have same IP address, e.g. 192.168.1.8. Now, we ...
0
votes
1answer
46 views

Is “gateway” a concept between two or more networks or a concept belonging to just one network?

Is "gateway" a concept between two or more networks or a concept belonging to just one network? When a device is connected to two networks, if it is listed as gateway in the routing tables of the ...
0
votes
1answer
29 views

Design of 2 Lans Connected to a Watchguard m570 firewall

I have this architecture (without the firewall). I bought a Watchguard M570 as Firewall to add it in my network. My Question is : Could i use my watchguard and connect this one to my 2 LoadBlancers ...
-1
votes
3answers
724 views

How do 2 PCs learn each other's IP addresses for ARP resolution? [closed]

So, if one PC will use another PC's IP address for ARP resolution, how does the PC sending the ARP Request even know which IP address to call for in the first place? What happens in a scenario where ...
-1
votes
2answers
280 views

how to make multiple subnet able to use one resource without being able to connect to each other in any way

i`m trying to connect multiple subnets to one web server but these subnets should not be able to connect to each other.i cant make any changes on these subnets. I just have a lan cable from each ...

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