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Questions tagged [vlan]

For questions about Virtual LANs (VLANs) which are used to divide what otherwise would be a single OSI layer-2 broadcast domain into multiple, logical OSI layer-2 broadcast domains.

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Directing single subnet traffic via multiple VLANs [closed]

I have a setup where I would like to distribute devices connected to a L3 switch in multiple VLANs but I have a DHCP server offering a single subnet to the switch. I'm attaching a network diagram ...
Sylar's user avatar
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0 answers
14 views

Connect 1 device to 2 different networks [closed]

I have 1 device that needs to connect to the internet trough a router with DHCP, and to a LAN that is used for a local system (this is in a hospital). This device is windows based and unfortunately, ...
TonyMadMax's user avatar
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1 answer
26 views

Default Route Excluding VLAN on HP switch

I have configured HPE 5710 Layer 3 switch with multiple vlans. The Default Static Route displays it's interface as Vlan10, I am able to ping 8.8.8.8 from addresses in that vlan, including the switch ...
Chris's user avatar
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0 votes
1 answer
56 views

Configuring a Cisco switch VLAN for WiFi guests

I have a Cisco Catalyst 2970 switch with a Firewalla firewall on switch port 13 and Linksys MX4000 V2 WiFi running OpenWRT on switch ports 3 and 5. I would like my Cisco to provide trunks to these to ...
PaulH's user avatar
  • 101
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1 answer
23 views

Connectivity between MOXA and S20 Reason

I want to connect MOXA SWITCH ED510E with MOXA SFP-1GLXLC-T 1310nm to S20 Reason Managed switch with SFP AXCEN AXFD-1314-0w23 1310nm but when I connected both there is no communication also on MOXA ...
Wissam .K's user avatar
1 vote
1 answer
56 views

access to the switch from another network does not work

Eve ng development environment. There is no access from another subnet to the switch. The switch has an int vlan 100 with an ip address, trunk port and ip default-gateway 192.168.100.1. The router has ...
Вежливые люди's user avatar
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0 answers
10 views

SONiC OS. ACL for ip of vlan interface L3

I'm trying to apply simple acl rules to IP address vlan100, but it always responds to ping. "VLAN100_ACL": { "policy_desc": "VLAN100 Ingress ACL", "type": &...
lexxai's user avatar
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1 answer
100 views

Struggling to configure VLAN properly (LANCOM, no internet)

I'm currently trying to configure several port-based VLANs for guest rooms, but I'm either not getting any network connection or no internet access depending on what I configure. There are several ...
ImanityDev's user avatar
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0 answers
69 views

Configuring VLAN Trunk on JunOS

I have a Juniper EX-4300-48P and I was trying to test out connecting it to a TP-LINK TL-SG108E and the intended network flow is as follows: EX-4300-48P Interface ge-0/0/0 set to trunk VLAN 121,125,126 ...
user24681711's user avatar
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0 answers
87 views

intervlan routing on cisco L3 stacked switches

I am new to this and I am having a bit of a issue trying to successfully perform intervlan routing on a stacked L3 switche(s). I essentially have three SVIs with their corresponding VLANS ( i think) ...
Tormentium's user avatar
1 vote
1 answer
170 views

SOLVED - Quanta LB6M Trunk and Vlan

I have 2 Quanta LB6M and a Juniper EX4200 and need to create vlan and trunk For vlan interface i have this: interface 0/27 vlan pvid 31 vlan participation exclude 1 vlan participation include 31 exit ...
Ertu Kocak's user avatar
1 vote
2 answers
115 views

Can the Cisco SF302-08 switch support IP routing capabilities?

I'm currently working on configuring inter-VLAN routing on a Cisco SF302-08 switch. I've already enabled Layer 3 routing, created the VLANs, assigned them to switchports, and configured the switch ...
mema's user avatar
  • 11
-1 votes
2 answers
246 views

Why is inter-VLAN communication not working in my network set-up in Cisco Packet Tracer?

I have created a simple bus topology connecting 2 switches and a router, with each switch connected to their respective end devices through ordinary star topology. The switch model used was 3560-24PS ...
Trineshen's user avatar
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2 answers
81 views

Migrating SVI for vlans from Catalyst to Nexus

I'm trying to make sure the transition is smooth the mirrored SVI's are already created but not turned on. Do I simply just turn off the SVI's on the pair of old switches and turn it back on the new ...
user1378803's user avatar
0 votes
1 answer
285 views

VXLAN VNI VLAN mapping

Is VXLAN tunneling similar to Q-in-Q tunneling (except VxLAN works at Layer 3), such that each customer/tenant gets its own VNI and each VNI can then map to multiple VLANs, so a single VNI can ...
Haswell's user avatar
  • 115
1 vote
1 answer
257 views

Mellanox (NVIDIA) SN3700 switch: Cumulus Linux configuration to force traffic path?

I want to stress all ports on a SN3700 switch with iPerf. I want to force the traffic to go through each port, so port 1 to port 2, port 2 to port 3, port 3 to port 4, etc. The switch is running ...
CrystalBryan's user avatar
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1 answer
145 views

Switch ping to router with trunk port

If I have a switch port trunk directly connect to a router with the follow scenario below: -------- g1/0/1 (Trunk) g1/0/1 |------| |switch| Native VLAN 1 SVI=...
Andrew's user avatar
  • 103
0 votes
1 answer
66 views

Configuring multiple public IPs in Cisco 881 to forward private IPs with tags while bandwidth balancing [closed]

The ISP is sending four tagged public IPs (VLAN 30) through one WAN cable. Currently, this cable is connected to a switch that recognizes the tag and distributes it appropriately. Naturally, a router ...
Wilhelmroentgen's user avatar
1 vote
1 answer
144 views

ASA5555-X vlans through port channel not working

I'm havin a problem with my ASA when trying to pass vlans through port channel to a switch. The goal being here that all vlans that we have would go through a single port channel (4 1Gb links for load ...
The amateur programmer's user avatar
1 vote
1 answer
148 views

VTP transparent mode Switch does not pass user traffic to and from other VTP Switches

Practicing on Packet Tracer, I have a topology of four switches named Switch-A, B, C and D. connected with one another in straight line Switch A has two VLANs (Faculty and Students) and is configured ...
sunnyimran's user avatar
1 vote
1 answer
122 views

Access list and interface vlan

Pleasae I am facing this problem, the ping is always successful from 10.16.13.2 to 192.168.0.3 even if Iam configuring the acl in the 'in indirection'. show ip access-list Extended IP access list ...
Asma B's user avatar
  • 51
0 votes
1 answer
70 views

Connecting a hub to my switch bypasses RADIUS/802.1X

I have set up a windows nps server (radius), it works with eap-tls. In the switch when the authentication is validated the port is passed in vlan 100 and when it is refused it is passed in vlan 101. ...
Nivys's user avatar
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0 votes
1 answer
109 views

Cannot get my servers on the same broadcast domain as backbone gateway using Aruba switches

My supervisor told me to go to the server room and connect a bunch of servers to the Department network so they are accessible from office PCs. In the server room we have 7 servers, a couple of wall ...
Amjal's user avatar
  • 1
1 vote
2 answers
214 views

Understanding VLAN Tagging for Network Segmentation

I've been reading up on network segmentation and the use of VLANs to enhance security and network management. However, I'm still a bit unclear about the concept of VLAN tagging. Can someone please ...
Mahesh's user avatar
  • 11
0 votes
1 answer
147 views

I want to set up a MSTP Redundant Network

For the past few days i have been trying to get multiple VLan's working that are redundantly connected. One VLan would be connected through a controller and to the other switch. Then a second cable to ...
TomB's user avatar
  • 3
0 votes
1 answer
159 views

Is this the right way to expose VLANs through VPN (VPN server location)?

Starting from the following network topology: Internet --- ISP Cable Router --- Firewall --- Router --- rest of the network / multiple VLANs (port forwarding) | ...
Kraal's user avatar
  • 101
0 votes
0 answers
114 views

IPsec no working properly

I want to set an IPsec between two routers similar to the one in this lab, however the client on router EAST is NATted with the public IP 98.76.65.42 on the local side EAST(config)# access-list 110 ...
nirvana's user avatar
0 votes
2 answers
2k views

Unable to ping across different vlans

I have two switches (A,B) connected to each other and one of them is connected to a router with the interfaces g0/1.1 vlan10 g0/1.2 vlan20 g0/1.99 native switch A has vlan 10 (10.0.0.0/24) switch B ...
nirvana's user avatar
0 votes
1 answer
52 views

Cisco 3650 and wifi hotspot

I have to connect wifi hotspots on cisco catalyst ports of cisco 3650. The wifi controller is connected on 2 ports, because it delivers 2 wifi vlans (6 and 40). The hotspots must receive an IP from ...
AnthonyS's user avatar
0 votes
1 answer
111 views

Layer 3 Switch IP Problem on Packet Tracer

I set up a network. It contains vlans. I assigned devices ip addresses from different subnets. I have 2 layer 3 switches to communicate them. I assigned switches ip addresses from different subnet. I ...
shiva13's user avatar
  • 25
1 vote
2 answers
267 views

Inter-VLAN using L3 switch

There are 3 VLANs 10, 20 and 30 on these switchs. Everything such as VTP, DTP are working fine. The problem is that inter-VLAN seems not to work correctly. IP routing is activated on the L3SW (even ...
Penguin's user avatar
  • 27
0 votes
1 answer
133 views

Non VLAN Tagged Traffic Not Going Through Trunk Between Cisco Switches

Good day all. I am running through a packet tracer exercise and am stuck on where to go next. Forgive me if I am missing something obvious, I have not touched any cisco networking or networking in ...
cnrdvdsmt's user avatar
0 votes
2 answers
63 views

Trying to achieve ECHO request reaching destination in other VLAN

I'm working in a network on packet tracer, when I'm sending ICMP requests from VLAN 20 (yellow field) to VLAN 10 (turqoise field) the packets get stuck at the switch where it is connected to. Case 2: ...
frisTent's user avatar
0 votes
2 answers
189 views

Can we have two logging source-interface configured on Cisco Switch?

I would like to understand if its possible for us to have two logging source-interface configured on Cisco Switch: logging source-interface vlan1 (For syslogs) logging source-interface vlan2 (For ...
Blake's user avatar
  • 57
1 vote
1 answer
646 views

Cisco interface vlan (shutdown vs no ip address)

What is the difference in functionality between these two commands. interface Vlan10 shutdown interface Vlan10 no ip address I haven't been able to find any source material, but I've seen other ...
Derrick Moeller's user avatar
1 vote
1 answer
205 views

Give internet access with a not VLAN enabled router to two VLAN networks

I'm a bit of a novice in this area. I currently have two VLAN-capable switches (HP ProCurve 2850 2824) and some switches and routers that are not VLAN-capable, more like consumer-level devices (such ...
Neopard's user avatar
  • 13
1 vote
2 answers
595 views

How does L2 switch forward tagged VLAN?

I am a student of networking and have a question. I am currently doing an internship / project at a school where they have 3 buildings. I will name them for now A (subnet 172.16.x.x) --> Each with ...
Bartballon's user avatar
0 votes
3 answers
183 views

If all subnets are a part of same vlan, then the network segregation using subnets does not make sense

This is what we know about subnetting. By dividing a network into subnets, you can separate different departments, locations, or security zones, creating distinct broadcast domains. This segmentation ...
RRHS's user avatar
  • 405
0 votes
1 answer
703 views

HSRP and DHCP problem

I have 2 layer 3 switches DS1 and DS2. There are the same VLANs but different IP addresses on VLAN interfaces. On DS1: VLAN 10: 192.168.10.1/24 VLAN 20: 192.168.20.1/24 On DS2: VLAN 10: 192.168.10.2/...
Penguin's user avatar
  • 27
0 votes
1 answer
61 views

Cannot enable link. Why?

I have the following setup: I'm unable to enable Fa0/5. The switch configuration for that port is correct No configuration has been made on the server side: Assigning Ip adresses has not solved the ...
Rubus's user avatar
  • 305
0 votes
1 answer
455 views

Why does this access list block DHCP request?

To prevent IP spoofing in a VLAN I configured the following access list ip access-list extended MITARBEITER permit tcp 10.15.240.0 0.0.0.255 any permit udp 10.15.240.0 0.0.0.255 any permit icmp 10....
Rubus's user avatar
  • 305
0 votes
1 answer
965 views

QinQ does not work with L2VPN (VSI and MPLS L2VC - Switch Huawei)

Currently, I am trying to configure a network to transport multiple VLANs for a client who has points in different locations (Side A and Side B). My idea was to use QinQ for this. The network topology ...
Claudio Elzio's user avatar
0 votes
0 answers
334 views

Cannot tag an interface for a specific VLAN : % Error: Tagged flag mis-match Te 0/3

I trying to tag an interface for a specific VLAN on a Dell S4810 : S4810#show run int ten 0/3 ! interface TenGigabitEthernet 0/3 no ip address mtu 12000 switchport flowcontrol rx on tx on no ...
SebMa's user avatar
  • 135
3 votes
2 answers
369 views

ethernet switching table is empty | vQFX | EVE-NG

I'm new to Juniper switches. I configured vlan10 and assigned two ports to the relevant vlan. root> show vlans Routing instance VLAN name Tag Interfaces default-switch vlan10 ...
Aaqil's user avatar
  • 33
1 vote
0 answers
246 views

Can't Pass 1 VLAN Through Trunk

I have 2 Cisco switches running IOS with VLANS 20,30,40,50. On SWITCH1 I have servers on Ports 1,2&3 on VLAN 30. I also have a laptop on port 5 on the same VLAN 30 and can ping the servers. They ...
JukEboX's user avatar
  • 461
2 votes
1 answer
35 views

Is source source_wildcard-mask necessary when traffic is orginating from a VLAN when access list is applied in direction of the interface (in)

Let's say I have a vlan 1 with domain 192.168.10.0 0.0.0.255...also a vlan 2 with 192.168.20.0. 0.0.0.255..These are connected to router with intervlan enabled. Now I want to implement access list ...
Rubus's user avatar
  • 305
3 votes
1 answer
127 views

Should I be using point-to-point or broadcast if I plan on using SVIs in IS-IS on Juniper?

Apologies in advance if this is super-basic question, still learning ISIS. I'm migrating from Cisco over to Juniper in an environment where all of the switches are running EIGRP, are on a 172.31.255.0/...
user68992's user avatar
2 votes
2 answers
196 views

MST - multiple instance design in single region

I am preparing for migration of this rather simple network layout from RST to MST: From what I have read so far, it looks like the best approach is to avoid interoperability issues and simply rollout ...
quantum's user avatar
  • 176
1 vote
1 answer
100 views

Is non-blocking per-VLAN (rapid) spanning tree configuration possible?

Imagine a pair of switches connected with a couple of trunk links created in the following fashion: Assuming the numbers on lines correspond to different VLANs, how would you arrange a working ...
quantum's user avatar
  • 176
1 vote
1 answer
103 views

Static route is not saved - Why?

I have the following configuration. On R1 I do inter-vlan routing. The problem is when I ping the serial interface of ISP1 with PC MA11 the ping packet is not returned to R1. I wanted to add a static ...
Rubus's user avatar
  • 305

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