All Questions
Tagged with switch networking
48
questions
1
vote
1
answer
240
views
Is it possible to configure Cisco ASR901 as a layer 2 VLAN switch?
I have been fiddling with a Cisco ASR901 for a while now, but I can't wrap my head around configuring it as a layer 2 VLAN switch. Is it not possible to configure one of its Gigabit Ethernet ports as ...
- 13
0
votes
2
answers
40
views
Why Ping Reply Succcess from different subnet IPs
In the university lab, i manually added IP in two ubuntu machines. PC1 IP 10.129.2.33 255.255.0.0 and PC2 IP 10.129.2.165 255.255.255.0. I connected first both computers with direct ethernet cable ...
0
votes
1
answer
40
views
What is the difference between these two different network security devices?
I have a choice between these two network security appliances, however the only difference I can see is the year and I don't know what that year means.
SONICWALL TZ300 WIRELESS-AC SECURE UPGRADE PLUS ...
- 103
1
vote
1
answer
548
views
How to block telnet access for one particular network from all networks except one using Extended ACL
Scenerio is given in the picture. I want to block all the networks except 192.168.5.128/25 from doing telnet of 192.168.5.0/25.
- 21
1
vote
2
answers
1k
views
Do DSLAM and OLT function like a switch?
Let's say for example we have the following hypothetical topology:
In each network, can each user communicate with each other?
For example, can User 1 ping User 2?
- 491
1
vote
2
answers
2k
views
How to Change the Date on Cisco Catalyst 3750x Switch
We are using cisco catalyst 3750x 24 port switch series
How to Change the Exact Date(Singapore) on a Switch
ASW-G-L09-001#show running-config
Building configuration...
Current configuration : 11883 ...
- 125
0
votes
1
answer
152
views
Linux networking + mix of auto-negotiation of yes/no [closed]
we have 10 servers with Advertised auto-negotiation: yes
as
the machines with driver driver: i40e
driver: i40e
version: 2.3.2-k
firmware-version: 10.51.5
expansion-rom-version:
bus-info: 0000:12:00.0
...
2
votes
1
answer
453
views
Trex not receiving any packets
This is my setup to benchmark my server Diagram
Trex version v2.88
Trex server MAC
ens2f0: f8:f2:1e:5c:bf:78
ens2f1: f8:f2:1e:5c:bf:79
DUT server MAC
eth0: fa:16:3e:1c:be:82
eth1: fa:16:3e:d5:37:b1
...
- 4,379
4
votes
1
answer
199
views
GNS3 switches vs Real switches performance
I want to emulate the performance of switches in GNS3, and the focus is not the configuration of switches. My questions are:
Do emulated switches perform worst than actual switches?
Are emulated ...
- 43
1
vote
4
answers
648
views
setting up a VLAN and joining 2 buildings through underground cabling
I am pretty much a newbie when it comes to networks so forgive me in advance if this question seems odd.
So here's a situation I am trying to figure out. There's a company who operates in 2 adjacent ...
- 11
1
vote
1
answer
6k
views
Switch doesn't learn MAC of a connected device
I am new to networks. What does it mean when a switch doesn't learn the MAC address of the connected device? And how can VLANs can impact that?
- 13
0
votes
1
answer
68
views
What is the difference in packet structure for tag VLAN and port VLAN
I am new to networking. I just want to know the difference in ethrenet packet structure for tag based VLAN and port based VLAN. For tag VLAN, a VLAN tag is added to the ethernet packet frame so that ...
- 1
0
votes
1
answer
4k
views
Connecting a 10 Gig server to a 1 Gig switch
Recently we purchased 5 servers. It has 4 10GB ports + 1 1GB Management port, as follow:
4x 10GB ports per server (2x traffic, 2x ISCSI), and (1x 1GB management port)
However, we are trying to see if ...
- 1
6
votes
2
answers
3k
views
Can a single subnet work across several switches?
New to networking and studying hard but limited access to a kit to try things at the moment...
My question is - if I had, for example, two Layer-2 switches cable connected, could I have devices on ...
0
votes
1
answer
56
views
Is it possible to query interface statistics bytes by given start time to end time in Juniper Device?
I can query a interface detail:
admin@Juniper-EX# run show interfaces ge-0/0/1 detail
Physical interface: ge-0/0/1, Enabled, Physical link is Down
Interface index: 131, SNMP ifIndex: 504, ...
- 1,777