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Network Engineering : Recent Questions and Answers (Page 7)

Find answers to your questions about Network Engineering or help others by answering their Network Engineering questions.

QSFP to 4 x SFP+ breakout not working in HP Procurve 3500yl J8693A

I have bought a Netronome Agilio CX smartNIC which has QSFP interface. My switch HP 3500yl J8593A has 4xSFP+ interfaces. I bought Amphenol QSFP to 4xSFP+ breakout DAC. But the...

Asked on 01/07/2021 by devilfox

1 answer

Estimating the Round-Trip Time in TCP

I was reading a textbook which says: Let’s begin our study of TCP timer management by considering how TCP estimatesthe round-trip time between sender and receiver. This is accomplished...

Asked on 01/07/2021

2 answer

Packet tracer - why "show ip route" shows network address

This is just a quick question I am wondering out of curiosity. When I set up a network in packet tracer, why does "show IP route" show the network...

Asked on 01/03/2021 by CUPA

2 answer

why SLA Track 8 isn't applicable to my ISR Router

On a Cisco ISR 4451 I configure SLA Function as follow:track 8 ip sla 1 reachabilityip sla 1 icmp-echo 10.1.1.81 source-ip 10.1.1.80ip sla schedule 1 life forever start-time nowAnd...

Asked on 12/29/2020 by kockiren

0 answer

Juniper EX how to clear route forwarding table?

After layer 3 routing a large IPv6 assignment on an EX Juniper switch, the route forwarding table filled up and some entries corrupted or became otherwise invalid. We want to...

Asked on 12/25/2020

3 answer

Use of VLAN allowed feature and security risk associated with not configuring it

if i have 3 vlans say, 10,20 ,30 if i don't assign vlan allowed to trunk port , what are the security risks i could face if i am using...

Asked on 12/24/2020 by PDHide

3 answer

Does each node in a Wi-Fi mesh system broadcast its own separate SSID?

From previous experience of both setting up and managing Wi-Fi extenders, my understanding from carrying out scans of the 2.4/5GHz bands is that each extender broadcasts its own SSID -...

Asked on 12/15/2020

1 answer

2 AS in the same box JunOS

Today we have an MX204 and we announced our AS using Juniper, but we also have partnership with another internet provider that has another AS. This other AS has much...

Asked on 12/13/2020 by Marcos Max

2 answer

Multiple administrator connecting to a router - who has precedence? Can they monitor each other's logs?

Just getting started in Networking. Came across multiple administrators connecting over Telnet. Does someone who connected first have precedence over everyone else?Does a admin connected to VTY line 1...

Asked on 12/12/2020 by nicotinefull

1 answer

Confused with packet reordering

I was reading a textbook which says about TCP protocol "Selective Repeat": We have assumed that packets cannot be reordered within the channel between the sender and receiver. This is...

Asked on 12/09/2020 by amjad

1 answer

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