Cisco Switching/Routing :: 3560 - Switch With 1 VLAN Configuration?

Mar 18, 2013

I have a 3560 switch with 1 VLAN (VLAN 10) where I need to make ports:

1-10 as isolated (can't contact each other)
11-20 as community (need to contact each other like a normal VLAN)
23 as promiscuous (server that ports 1-20 need to get to)
24 as promiscuous (WAN router where ports 1-20 need to get to and the remote servers).

[Code]...

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Cisco Switching/Routing :: Getting The Vlan Configuration / 3560?

Sep 15, 2012

I have 2 locations, at a distance of 600KM.These two locations are well connected by Point to Point L2 VLAN with a speed of 2 MBPS and supported by CISCO 3560G switches.Location A has a VLAN to communicate to the other VLAN at Location B. Location B has also got 3 VLANS which are inter connected with Location A.Now the hardware in one of VLANs in Location B has moved to Location A for obvious reasons.
 
For further refernce am giving the VLAN IP address here....

Location A 
VLAN1 for communicatng to Location B
IP Range                172.20.44.210
Subnet Mask          255.255.255.0
Default Gateway     172.20.44.210
 VLAN2 for the desktops in Location A
IP Range                192.193.194.1-255
Subnet Mask          255.255.255.0
Default Gateway     192.193.194.1

[code]....

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Cisco Switching/Routing :: 3560 - VLAN 10 On Switch 10.0.20 24 Doesn’t Work

Apr 17, 2012

We have over 30 Cisco 3560 switches and over 10 VLANs on our network. In our example, VLAN 10 on switch IP 10.0.20.150 works fine and VLAN 10 on switch IP 10.0.20.24 doesn’t work. The below are both switches show vlan. url....I can’t tell what causes the problem and how to fix it. VLAN 10 on Switch 10.0.20 24 doesn’t work. [code]

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Cisco Switching/Routing :: 3560 VLAN Routing Between Switch And Router

May 8, 2012

I have an environment of 3 X 3560G of which I have 1st switch-CORE(f0/10) connecting to the VPN router(CE) interface-f0/0. Remaining 2 Cisco 3560's(Access) are connected to Gi0/1 and Gi0/2 on the 1st switch-CORE via gi0/1 . On all three switches I have created multiple VLANs and assigned ports to these VLAN. The switch to switch connection is trunk allowing all VLANs created on all these 3 switches. Now the issue is how I am going to have all these VLANs routed through single interface on the routeri-e f0/0, as all these subnets will communicating to remote site over VPN. What should be default gateway on the 2 Access switches and the CORE switch, also what static route should be on router to reach all subnets(VLANs) created on these 3 switches.
 
I have read inter-VLAN routing i-e creating sub interfaces on router but dont want to proceed with that and looking for any other way to have my VLANs talk on all three switches and then are accessible to remote site ove VPN?

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Cisco WAN :: 3560 Switch Vlan And Router Configuration?

Feb 10, 2012

In our new Head office we have to set up a Network connectivity.Total our office 4 floors.In each floor we kept  three cisco 2950 switch.We have L3 switch(cisco 3560) to connect the all the other switch.In our office total 5 departments.we have to create VLan for each departments in the switch.
 
We want to all user to communicate to each other.We have WAN connectivity in the router(cisco 2900) to connect the other office.First i want know how to physically connect all the swiches and finally with  the L3 switch.How to configure the VLAN in both L2 and L3 switch.In our other client office one router to connect the both office.In the router how to configure and which protocol to use to communication.
 
Ip address:10.10.40.0/22
 
WAN IP :192.168.214.65/30

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Cisco Switching/Routing :: Reset Password And Retrieve Configuration On Switch 2950 And 3560?

May 26, 2013

how to recover password and retrive configuration on Cisco switch 2950 and 3560.I know the way to press and hold the mode button and then plug in the power cord can reset the switch to factory default but it will reset everything to nothing. As such, it is not what I want and I want to keep the configuration file and able to use the configuration on the switch.

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Cisco Switching/Routing :: Managing Proper VLAN Configuration To 3750 Switch

Mar 6, 2013

I have a 2911 router connected to a 3750 switch. I have configured vlan interfaces on the 2911 router:I am using the vlan 89 (89.2) as the management ip address for me to remotely get to the switch. Is this a proper configuration or could this cause issues in the future.

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Cisco Switching/Routing :: Private Vlan Configuration On 3560E 24 Port Switch

Dec 12, 2012

We have a 24 port and 48 port 3560 E switches with identical IOS the 48 port switch supports private vlan while 24 port switch doesnt
 
configure private vlans on 24 ports 3560e and is it best practise to configure private vlan on this platform(3560)?
  
IOS version : C3560E Software (C3560E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
flash:/c3560e-universalk9-mz.122-55.SE3/c3560e-universalk9-mz.122-55.SE3.bin

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Cisco Switching/Routing :: 2960 / 1801 - Switch / Router VLAN Configuration

Jul 5, 2012

I've recently purchased a Cisco catalyst 2960S-24TS-L & setup 3 V LANS 10 (no current IP),20 (192.168.2.1) and 30 (192.168.3.1) to reflect the router V LAN configuration & ip information. When connecting my PC to the switch to test connectivity on (2.1 & 3.1) I'm unable to connect to the the net but can successfully ping GW (int FE0.20 & FE0.30) 192.168.2.1 & 3.1. 

The router is an Cisco 1801 & it seems this is where the configuration issue is but I'm unable to figure out how to complete the setup. It has been quite awhile since I've configured a Cisco router.

Ive never had this router connected to a switch so all router switch ports are in the default VLAN1 (192.168.1.2), with FE0  disabled. In trying to get the switch to communicate with the router I made the following router config modifications. 

FE0 enabled with subinterfaces configured
FE0.10-currently no ip
FE0.20-192.168.2.1/27
FE0.30-192.168.3.1/27

I have two issues I want to resolve: 
1) I do not know what additional steps are required to allow 2.1.& 3.1 V LANs to access the net.
2) I want to disable VLAN1 if possible & use the network IP for VLAN10 (192.168.1.0). I'm unsure how to do this as any change on VLAN1 immediately breaks router access and the router reconfiguration becomes more complicated with changes to the FW ACL etc.

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Cisco Switching/Routing :: 2960 POE Switch Voice Vlan Configuration To Work With Non IP Phones?

Apr 12, 2012

provide a sample Voice Vlan configuration for the Cisco 2960 POE switch to work with the Non-Cisco IP Phones? 
 
Will these commands work?  Vlan 2 is the new voice vlan, Vlan 1 is the data vlan.
 
mls qos 
interface fastethernet 0/1mls qos trust cos switchport nonegotiateswitchport mode trunkswitchport trunk encapsulation dot1qswitchport voice vlan 2priority−queue outspanning-tree portfastspanning−tree bpduguard enable
vlan 2name voice

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Cisco Switching/Routing :: 3560 Possible To Create Vlan Inside Transport Vlan?

Jan 10, 2012

Between our hosting and a customer we have an extended vlan, traveling on a fiber, between two cisco 3560 switches.The thing is, that we want to create one or more vlans inside that extended vlan, in some way if possible?

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Cisco Switching/Routing :: 3560 - Possible To Delete VLAN?

Dec 5, 2011

Is there any way to check if this VLAN is used by somedevice?

Cisco3560#sh ip int b
Vlan55                unassigned      YES NVRAM  administratively down down

Cisco3560#sh vlan
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active
55       Print                        active    Fa0/5, Fa0/6, Fa0/7, Fa0/8

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Cisco Switching/Routing :: 3560 - How To Block A Vlan

Jul 22, 2012

I have 4 vlan and all has conectivity/access with all (VLAN10,VLAN20,VLAN30 and VLAN40, I use a 3560 Switch for this propose, I need to modificate one vlan (VLAN40) that has access to the rest of the VLAN's BUT the rest of the VLAN's dont have access to VLAN40. I know that it is a problem of access-list BUT I can't undertand how to obtain the result that I like

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Cisco Switching/Routing :: 3560 - Unable To Perform VLAN Routing

Apr 28, 2012

We recently purchased Cisco 3560X Layer3 Switch. We need to perform simple Inter VLAN routing.  We have configured VLAN1 (name-server_vlan) and VLAN2 (name- user_vlan). We have also assigned the Ports and IP address to both the VLANs. After assiging this if we plug Laptop A into VLAN1 then it doesnt communicates with Laptop B (btw, Laptop A is able to Ping VLAN2 Gateway ) in VLAN2 but on the other hand Laptop B is able to communicate with Laptop A and ping everything i.e. Gateway of VLAN1.

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Cisco Switching/Routing :: 3750 - Extending VLAN To Remote Switch That Already Has VLAN ID In Use

Jan 10, 2013

I have two networks at two sites with a dot1q trunk between the two L3 switches at both sites (no routers involved)
 
SITE A - Cisco 3750 L3 - VLAN ID 50
10.10.50.0/24
 
SITE B - Cisco 3750 L3 - VLAN ID 50
10.20.50.0/24
 
I would like to extend the SITE A VLAN to SITE B so that I can move hosts from SITE A to SITE B without needing to change their IP address but the vlan ID is already in use. Obviously the easy solution is to change the VLAN ID for one or other of the sites but both sites contain hosts that run 24/7. Is there a way to join two VLANs with different IDs together.So for example I create a new VLAN 60 at SITE B and associate it with VLAN 50 at SITE A.

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Cisco Switching/Routing :: 3560 - SW VLAN Reachability ASA 5510

Jan 16, 2013

Topology: 3560 <-access-mode-link-> ASA5510 - Internet,3560 has 3 VLANs and 3 corresponding SVIs (default-gateways for VLANs),Just configured RAS VPN on ASA5510 and successfully made connection,Now, from RAS VPN (IPSEC) client workstation CLI, can ping all 3560 SVIs,CANNOT PING host devices plugged into switchports.

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Cisco Switching/Routing :: 3560 Stop Communication From VLAN 30 To 20

Dec 27, 2011

In my lab setup i configured Cisco 3560 switch.

-VLAN 20 and VLAN 30 i configured.
-VLAN 20 interface IP : 192.168.20.1/24
-VLAN 30 interface IP : 192.168.30.1/24.

Inter-vlan communication is happening fine. For testing for purpose i configured extended ACLs.i want stop communication from VLAN 30 to VLAN 20 but not vice-versa. If i ping from one of the IP VLAN 20 to one of the ip of VLAN 30, i was gettng Requested time out. And if i ping from one of the IP VLAN 20 to VLAN 30 interface IP, i was able get pinging.From VLAN 30 to VLAN 20, i was getting destination host unreachable from VLAN 30 ip( Its fine as its my requirement)So, solution needed to communicate from VLAN 20 to VLAN 30.

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Cisco Switching/Routing :: 3560 Changing Port From Vlan To Another

Apr 18, 2012

I have a 3560 switch with the following ports config [code] I would like to use theses ports on a different vlan to connect 4 pc's to them. Can I just remove them from the vlan, remove the trunk switchport and set up on the vlan i want them on with no trunking?

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Cisco Switching/Routing :: 3560 - Inter-VLAN Filtering

Apr 19, 2012

Probably an easy fix but something's weird in my config. I am setting up a new network, so this is not production, Routed environment, down to the access layer using 3560-x l3 switches.
 
vlan 10: data
vlan 20: wifi
vlan 30: wifi guests
vlan 40: voip
 
My objective is to allow all traffic OUTBOUND to certain subnets (10.10.0.0/24, 10.10.100.0/24, 10.10.110.0/24 10.10.120.0/24) and block any other 10.0.0.0/8 networks. By doing it this way, after blocking all other internal traffic, I allow everything else to ensure internet traffic can go out.

Extended IP access list VLAN10_TRAFFIC_FLOW    10 permit ip any 10.10.0.0 0.0.0.255    20 permit ip any 10.10.100.0 0.0.0.255    30 permit ip any 10.10.110.0 0.0.0.255    40 permit ip any 10.10.120.0 0.0.0.255    50 deny ip any 10.0.0.0 0.255.255.255 (5 matches)    60 deny ip any 172.16.0.0 0.0.255.255    70 permit ip any any!interface Vlan10description DATAip address 10.104.10.1 255.255.255.0ip access-group VLAN10_TRAFFIC_FLOW outendThe problem is, from the above info, when I ping 10.10.0.5 from a workstation in VLAN 10, it should match rule 10, but instead if matches rule 50 (as shown by the 5 matches)

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Cisco Switching/Routing :: 3560 / 2960 - VLAN Translation

Aug 6, 2012

When did this wonderful feature get introduced?  Is it going to moved down to the 3560s/2960s type switches?

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Cisco Switching/Routing :: 3560 - Receive Discard VLan

May 21, 2013

I faced the ( receive discard vlan 20 of Cisco switch 3560   ) on my Solarwinds Server .

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Cisco Switching/Routing :: Dynamic ARP 3560 Inspection On Single Vlan

Apr 22, 2013

I have enabled IP DHCP snooping on a 24 port 3560 switch (v small office) and let the database fill up, now I have added dynamic arp inspection on the single vlan and I amd getting these errors. 

Apr 23 16:15:34: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Fa0/5, vlan 1.([5835.d9b0.b9d1/172.30.5.2/0000.0000.0000/172.30.5.3/16:15:33 BST Tue Apr 23 2013])
Apr 23 16:15:39: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Fa0/8, vlan 1.([0004.f2be.55e4/172.30.5.5/0000.0000.0000/172.30.5.8/16:15:39 BST Tue Apr 23 2013])
Apr 23 16:15:40: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Fa0/8, vlan 1.([0004.f2be.55e4/172.30.5.5/0000.0000.0000/172.30.5.8/16:15:40 BST Tue Apr 23 2013])
[Code] .....

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Cisco Switching/Routing :: Catalyst 3560 Vlan Trunks Over Etherchannel

Jun 20, 2012

I'm configuring two etherchannel groups (2 ports in each) on a 3560 switch.  I need to trunk multiple vlans over each channel group.
 
I created the vlan trunks and allowed vlans on each physical interface.  I notice that I can also configure the vlan trunks on the port-channel interfaces that were created. Should I configure them under those interfaces, or leave them on the physical interfaces?  Relevant config is below:
 
interface Port-channel1
!
interface Port-channel2

[Code].....

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Cisco Switching/Routing :: 3560 - Vlan Trunking Between Switches Not Working

Jun 3, 2012

We have two Cisco switches with one 3560 and one 3750 we have created a new Vlan 4 with IP 10.1.3.x 255.255.255.0 - no shut then assigne to gi 2/0/46 on the 3560 Vlan 4 ip address 10.1.3.x 255.255.255.0 no shut then assign to FA0/45. All interfaces are up up along with the Vlan up up, we can ping the local IP address bu not able to pint the other switch.

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Cisco Switching/Routing :: HP ProCurve 5406 VLAN Trunking To 3560

Jan 12, 2010

I have a HP Procurve 5406 connected to a Cisco 3560 on a temporary cat5e connection and I have Mitel IP phones needing to go on the Cisco switch.Ive configured the HP Procurve port to TAGGING both VLAN 10 (data) and VLAN 20 (Voice). NO is selected for default VLAN 1.The Cisco is configured on the port with switchport encap dot1q and switchport mode trunk.
 
Ive configured an IP for interface VLAN 10 and i cannot ping it from across the network. The interfaces are up and happy. I have tried changing the VTP status from transparent to server (VTP pruning is off) ive tried setting allowed vlans 10,20. Still not a think. The worse thing is that i have a working Cisco switch with the HP procurve that i checked the config on and its the same! The only difference is that the media type is SX over SFP in that case.
 
p.s not that im at this stage yet but i initially configure the FastE ports as trunks with native vlans because i was using non-cisco phones. On a spare port i convigured the voice vlan 20 and i say on the mitel phone that it was looking on vlan20! I didnt expect that, i thought the Voice VLAN ID was carried on CDP enabled devices only.

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Cisco Switching/Routing :: 3560 Port Security And Voice Vlan On Newer IOS

May 20, 2010

For many years we've had the following vlan and port security config on our 3560s: [code] This has worked great on 12.2(37)SE1, 12.2(40)SE and 12.2(46)SE. However since 12.2(50)SE, and I've tried all the versions since then, we have a problem with 7900 phones and ATA186s taking upwards of 20 minutes before they can get a valid IP number.The problem on the newer IOSes seems to be related to the inactivity aging.On the older IOS versions the mac address of the voice device appears on the voice vlan straight away.
 
On the newer IOS versions the mac address of the voice device appears on the DATA vlan and seems to be stuck there until the inactivity aging removes it. It then gets re-learned, sometimes on the voice vlan, and sometimes on the data vlan. If you're unlucky and it gets re-learned on the data vlan you've got to wait until the inactivity time ages the address out again. Repeat until the mac address eventually gets learned on the voice vlan. I don't want to be stuck on 12.2(46)SE forever.

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Cisco Switching/Routing :: 3560 / Apply Acl Restrictions To The Vlan Interface Ip Address Itself

Nov 1, 2011

I've set up my 3560 to do routing.  Now, I'm looking for a way to apply acl restrictions to the vlan interface ip address itself. 

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Cisco Switching/Routing :: 3560 / Getting Layer 3 EtherChannel Configuration

May 23, 2012

I been practicing with the configuration of layer 3 etherchannel configuration and i am facing a problem here. I have two 3560 switches and i want a layr 3 ether channel configuration setup between the first 2 ports of bothe the switches. I assign IPs to the Port-channel 1 of both the switches "10.1.1.1 /24 and 10.1.1.2 /24" but i am unable to get a successful ping. what am i doing wrong. below are the configs for bothe of my switches.
 
3560_1
Building configuration...
 Current configuration : 1274 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec

[code].....

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Cisco Switching/Routing :: LAG / Trunk Configuration Between 3560 And SG300-24P

Aug 27, 2012

A client of ours has installed an SG300-24P switch and would like to setup a LAG between the SG300 and the 3560 switch we manage for them. They would like the LAG to also pass the voice and two data VLANs currently in use; 5, 10, and 100 respectively. I configured the two ports as an Etherchannel with trunking on the logical port, but no luck. I reconfigured as follows:
 
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode active
end

[code]....
 
I see no output when I do show lacp nei. At this point the client is looking to use for the configurations to use as he does not know how to setup the SG300 and it is a switch I have never dealt with. I have found some configurations that I believe  would allow a single VLAN across, but nothing I believe will allow the LAG to pass all the VLAN's.

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Cisco Switching/Routing :: 3560 - Secondary Network Configuration

Jun 2, 2013

How many secondary network config possible???

Switch - Cat3560
IOS Ver 12.2(50)se5

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Cisco Switching/Routing :: Implement Shaping VLAN Only On Trunk Link Between 6500 / 3560

Jan 2, 2012

I need to implement the shaping VLAN only on the trunk link between the 6500 and 3560. [code]

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Cisco Switching/Routing :: 3560 - What Happens When Voice Vlan Command Is Added To Trunk Port

Oct 11, 2010

Any way to test in a lab what would happen if a tech mistakingly added "switchport voice vlan XX" to a trunk port? I am try to do some RCA on an issue and this has been identified as a possible cause by one of my techs.
 
The config is Switch1------Switch2--------Switch3 Each interswitch connection is configured as a dot1q trunk with all vlans allowed. The link between switch2 and 3 is where switchport voice vlan 10 was added. Switch1 is a 3750 and 2/3 are 3560's.

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Cisco Switching/Routing :: 3560 Switch With LAN QoS

Jun 5, 2012

I have issue with 3560 switch QoS configuration . I checked in cisco site about mentioned model QoS configuration.once we mark the frame and map the CoS to DSCP and once it enters into switch and it processes  according to LAN QoS configured on interface
 
we have configured  both the commands shape and share.
 
once it leaves the switch and enters into Edge router and if we do not have configured QoS in router which is normally MQC  , how does it process each packet ?Do we need to have end to end QoS configured in LAN ?

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