Cisco :: Native And Management VLANs?
Jun 2, 2012
The management VLAN(the one I use to connect to the devices) and the native VLAN dont have to be the same VLAN ,right?They are independent and can be different. For instance I can use VLAN 5 for management and 10 as the native VLAN
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Jul 19, 2011
is it possible with LMS 4.0 and VLAN Port Assignment also to configure auxiliary vlans?
1. I selected Configuration > Workflows > VLAN > Configure Port Assignment.
2. Selected my device (a test switch WS-C3560-8PC-S)
3. Clicked List Ports
All ports were listed, port Fa0/1 has only a native vlan, the ports Fa0/2 - 8 have native and voice vlans (auxiliary) configured manually.
So when I want to configure the voice vlan for Fa0/1 the voice vlan is set as the native one.
Is it only possible to configure the native vlans with the VLAN Port Assignment of LMS 4.0 ?
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Jul 19, 2012
I am using a Catalyst 7600.
I set up a VLAN interface (VLAN 3) with an IP-address and I can connect to it using telnet and log in to the switch as admin.I call this my management interface.
How come I manage to log into the management interface when the native VLAN is default 1? I thought the native VLAN determines which VLAN I need to log into to access the switch?
Can I make management interfaces of all the 48 ports if I want?
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Jun 1, 2012
WE have to deploy ASA5585 in between User vlans & server vlans. we have to find all the ports that needs to be opened on firewall. any tools to do same.
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Jan 5, 2013
what NATIVE VLAN is . What are the benifits of using this and when do we use this.
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Mar 24, 2012
I am trying to do Leap and Eap-TLS together. How can I write a policy in ACS that would check for identity before choosing the right profile for the request. ACS 5.2 does not support Native eap-tls. I am assuming I will be using Idenity username for Leap and Predefinied Certificate profile identity for eap-tls.
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Aug 1, 2011
I have the following problem in LMS 4.0. I see a lot of CDP syslog messages about Native Vlan Mismatch, but the LMS doesn't report it in the disrepancy report. Why?? The similar problem is with TRUNK VLAN Mismatch. The customer doesn't use VTP in his network. All switches are in the VTP transparent mode.
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Sep 19, 2012
Iphone 4S latest IOS5 V 5.1.1 installed?I'm not able to make native IPSEC VPN connection to work against my company Cisco 877 Instead, all my notebook and netbook with Cisco VPN Client installed work fine when they remotely connect to company's 877 Enabling 877 debug, it seems Iphone successfully pass the phase 1 ike connection (in fact Iphone asks me for phase2 user/pass) but it hung at phase2 giving me back the error "Negotiation with VPN server failed"
Here is how I configured my 877 VPN part :
R1(config)# aaa new-model
R1(config)# aaa authentication login default local
R1(config)# aaa authentication login vpn_xauth_ml_1 local
R1(config)# aaa authentication login sslvpn local
R1(config)# aaa authorization network vpn_group_ml_1 local
R1(config)# aaa session-id common
[code]....
It seems 877 even comes to allocate a local LAN ip address to Iphone (192.168.0.21) but then something goes wrong.....
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Apr 2, 2013
I have a 2811 Router (config below) with VPN configured. I can connect through the VPN and access devices on the native VLAN but I can't access the 10.77.5.0 (VLAN 5) network (I don't care to access the 10.77.10.0 - VLAN 10 network). This issue has been plagueing me for quite a while. I believe it's a NAT or ACL issue. VPN client IP pool is 192.168.77.1 - 192.168.77.10. [code]
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Feb 19, 2013
In our network environment, we have a 2960 switch sitting behind our router. Off of this we have a lot of external connections, like our external DNS, firewall, and VPN concentrators. I've configured a VLAN other than the default, moved everything into it and then shut VLAN 1. In this hardening guide it says that your native VLAN should be something other than the user VLAN, but if I am not using any trunk links, wouldn't I not really have a native VLAN? I attempted to make the link to our firewall a trunk link and then set the native VLAN to something else.
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Mar 15, 2013
The switch SG500X-48 has 4 SFP+ ( 10G ) ports - XG1, XG2, XG3/S1, XG4/S2 - and two configuration modes - standalone and "native stacking".
Can I use XG1 and XG2 SFP+ ports to connect servers when "Native stacking" mode is active ?
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Jun 26, 2012
I am about to replace the supervisor engine in our pair of distribution switches in our data center. We currently have a FWSM module installed in each of my distribution switches running 3.1(20) code. The old sup720 are running 8.6(4) and the mfsc are running 12.2(17d)SXB11a. I am wondering about the compatibility of running the FWSM with the same code after installing the new VS-S720 modules. I do not plan on configuring virtual switch yet and did plan on upgrading the FWSM to 4 code train but just not immediately. Will I be able to run my FWSM using the current 3.1(20) code after I install my new VS-S720 running in native mode?
If I have to upgrade the FWSM then I need to know if I have to upgrade the module in each distribution switch at the same time? Furthermore I do not believe that the FWSM 4 code is supported in hybrid mode, which means that I will have to convert to native before upgrading to FWSM 4 before I install the VS-S720 in one of my distribution switches. Currently the FWSM modules are in active/standby mode in different chassis.
I had planned to install the VS-S720 module in one of my distribution switch and do the other installation a week later. I would rather not have to convert to native and upgrade the FWSM modules in both distribution switches during the first switch upgrade.
cnDS02> (enable) sh mod
Mod Slot Ports Module-Type Model Sub Status
--- ---- ----- ------------------------- ------------------- --- --------
1 1 16 1000BaseX Ethernet WS-X6516A-GBIC no ok
2 .... Please refer to Detail Note. cnDS02> (enable) sh mod
[code]....
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Oct 24, 2012
can I use Windows 7 Native VPN client to connect to the ASA..and are there docs out there that support install and config ? I heard it is possible but not able to confirm .
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Sep 16, 2011
Is PVID the same thing as "native vlan"? Can the native VLAN be changed on a SA520? Currently I believe it to be 1, I'd like to change the native VLAN to 10.
I have a scenario where I have a prexisting production LAN of 192.168.1.0/24 . It's a small organization (a church), but they purchased 3 Aironet 1130ag units. They want to have a "private" WLAN that is part of 192.168.1.0/24 , and a guest WLAN of a different subnet (I chose 192.168.20.0/24) . The two should never meet. There will likely never be a guest computer connected via ethernet. Guest computers would always have to connect wirelessly.
I left VLAN 1 on the SA520 192.168.75.0/24 subnet as default.I created a VLAN 10 , 192.168.1.0/24 subnet, and I created a VLAN 20, 192.168.20.0/24 subnet.Ports 1-3 of the SA520 are members of VLAN 1, 10, and 20 (cannot remove membership of VLAN1, which is pretty annoying).
Both are secured by WPA, and when I connect, the proper DHCP subnet passes from the firewall through to the wireless client, for each respective SSID.Ultimately, I'd like the SBS 2003 server to handle DHCP for VLAN 10, and have the SA520 handle DHCP for VLAN 20, but i'll take what I can get.
The original production LAN is connected via an unmanged switch.I'd like to trunk the unmanaged switch to Port 4 on the SA520. However, since the PVID (native vlan?) of SA520 is 1, and I cannot make Port 4 on the SA520 ony a member of VLAN 10, then anything traffic coming from the unanaged switch will automatically be tagged with VLAN1, correct? Thus causing the already existing production network to start receiving DHCP from the firewall in the 192.168.75.0/24 range.
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Jul 15, 2012
I'm configuring this asa for to connect home users to my network using the native microsoft vpn clients with windows xp over internet.This asa have on the outside interface one public intenet ip and in the inside inferface have configured in the the network 192.168.0.x and i want to acces to this network from internet users using native vpn clients.I tested with one pc connected directly to the outside interface and works well, but when i connect this interface to internet and tried to connect on user to the vpn i can see in the logs this, and can't connect with error 800.TCP request discarded from "public_ip_client/61648" to outside:publicip_outside_interface/1723"
(running configuration)
: Saved
:
ASA Version 8.4(3)
!
hostname ciscoasa
enable password *** encrypted
[code].....
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Feb 15, 2012
I have a simple question: In 6500 CatOS, we had that feature of image synchronization, which added the ability to download the image from the active supervisor to the standby via internal TFTP of the CatOS. Can this be done on IOS? I was looking fot this over the Internet and couldn't find anything.
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Jan 11, 2012
Just trying to figure out how LAP manage clients in a h-reap setup.Have a setup with native vlan on 144 (switch and AP) and ssid tagging in other vlan... Got this on switch:
Jan 12 10:31:43.121: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0811.9695.9b04 on port FastEthernet0/42.
Jan 12 10:31:43.121: %PORT_SECURITY-2-PSECURE_VIOLATION_VLAN: Security violation on port FastEthernet0/42 due to MAC address 0811.9695.9b04 on VLAN 144
Jan 12 10:37:42.770: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0811.9695.9b04 on port FastEthernet0/42.
Jan 12 10:37:42.770: %PORT_SECURITY-2-PSECURE_VIOLATION_VLAN: Security violation on port FastEthernet0/42 due to MAC address 0811.9695.9b04 on VLAN 144
Wonder why clients MAC is seen on native vlan (and ofcourse also on taged vlan) ...?
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Jul 11, 2012
i'm running a 5510 asa and the vpn has been working great for a while. We recently change our network provider so i had to change the public ip, and dns on the firewall... now i can still connect via the vpn and browse accross my mpls to other sites, but cant really access anything on the native lan that the firewall resides on?
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Jan 28, 2013
if i have this config:
switch port mode trunk
trunk aloved vlan 50
will travel over this trunk untagged packets? For eg the V LAN 1 is by default native V LAN without tag. If i have created a bog ring with catalyst 3560x switches with no spanning tree on V LAN 1 can be the case of this config a loop ???
I am using upper config on interfaces that are connected the switches together in ring.
Other interfaces on switch have this config:
int range 0/1-4
switchport mode acc
switchport acc vlan1
int range 0/5-24
switchport mode acc
switchport acc vlan50
I am using vlan1 just for local switching without connection to internet! I am asking just because i have this king of messages in logs:
%CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on GigabitEthernet1/0/27 (1), with SW3560x_BR8874 GigabitEthernet1/0/19 (50).
GI 1/0/27 and GI 1/0/19 have this config:
switchport mode trunk
trunk aloved vlan 50
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Dec 12, 2012
I have a Windows 7 64 bit computer that is connected to the internet through an ethernet cable to a 2-wire modem. Other computers at my home are connected wirelessly but I am not. I do have a NetGear print server and connect wirelessly with it to a printer. I am suddenly getting the notification "Native WiFi Default Profile Connected" even though I have been running the computer for a year without ever seeing this.
Is the wireless USB connection over-riding my ethernet connection? and is it possible to revert to having the ethernet connection be dominant? I prefer the ethernet connection for speed.
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May 25, 2012
1 week ago, I got a call from a client that reported a network outage, the client told me that, 3 switch has crashed he try to console but it just hang. I ask him, did you change something? he said he didn't change anything, he just pluged a nortelswitch to the cisco switch number 9, but that switch doesn't crash like the others (3,4,8). I check the uptime, and yes the switch never been powered off..
the topology look like this
____ 6500 ____
/ / |
1 2 3 4 5 ...... 9
the vlan is end to end vlan, so vlan span between all those switches. transparant. this is collapsed topology, core and distribution is the 6500 itself all of the 1-9 access switch are in the same rack, with no loopguard, and bpdu guard configured. and connected to the core using etherchannel. the problem is there is no log available to start the troubleshooting/investigation.
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Jun 15, 2013
SG-300 52 native VLAN blocking network packets
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Dec 22, 2012
I am having trouble after creating a management vlan (99) on a 3550 switch.I have configured the vlan (99) and given it an IP (192.168.1.100) and a default gateway (my router address - 192.168.1.99).I can ping to the switch from a PC and vice versa. The management VLAN IP is fine but now I cannot ping to the router from either the PC or the switch.It seems that just by adding VLAN 99 with it's own IP address has now prevented pings from the switch/ PC to the router ?Due to the fact that I have created a new switch management VLAN with an IP, does this mean I have set up the router as a 'router on a stick' scenario ? [code]
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Mar 25, 2009
I am planning on inserting a second Sup720 in my 6506 running in native mode. Here is how I have redundancy configured:
redundancy
mode sso
main-cpu
auto-sync running-config
The IOS version is:
s72033-ipservices_wan-mz.122-18.SXF8
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Jan 4, 2012
We are trying to setup a new configuration with 2960S as access switchs and a 4507 as a core switch.I want to protect the management IP VLAN of the swich using vrf on the 4507 so we :
SHUT VLAN 1 on every switch (2960 + 4507)
CREATE A NEW VLAN 289 (management vlan) -> IP network : 10.32.126.192/26
L3 VLAN on every switch
VLAN 289 in the VRF XXX on the 4507
create tunk between the switch and the 4507 :
switch mode trunk allowed vlan 200-230
sw trunk native vlan 289
so with this configuration on the 2960 the vlan 289 is UP/DOWN and UP/UP on the 4507 I can access to the 4507 using the IP in the VLAN 289 but i cannot access to the 2960 behind the 4507 CDP connectivity is ok?
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Jul 21, 2012
I have a small home network currently using a cisco 841 which is working great. Host a web site and Exchange plus all 10 computers access the net using Verizon FIOS all works. I can even VPN in to my newtwork remotely.I can only VPN using the Cisco client. I would like to use the Native Windows Client and Ipads and Iphones. I believe they use PPTP and the Cisco client is using IPSEC.Which Cisco router can I get that would support all the above?
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Oct 7, 2012
I am migrating an existing LAN from 3550 to 3750X-12S. In the existing configuation, I´ve got some trunks with native VLAN <> 1. The native VLAN is also used for user data transport. With IOS 15.0(1)SE3 on 3750X I recognized, that per default behavior PVST is not active for a VLAN defined as native, even if the corresponding trunk is up and trunking. My current workaround is to add a "switchport access vlan" command on the trunk even this one never should become an access port. With this statement only the switch is activating the PVST for the native VLAN. For all other vlans PVST works as exspected. [code]
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Jun 6, 2012
I have several closets with Cisco 3560 on the edge that I'd like to change the vlan that's used for the management vlan on each. In the core I have a Cisco 6509 with Sup720's.
I'd like to do this by changing the native vlan on the trunk port on the core 6509 interface that connects to the 3560. and leave the management vlan on the 3560 as vlan 1.
Seems trivial but what I tried didn't work and I didn't have the window to troubleshoot. I'll paste the simplified configs for the interfaces below
!
6509 configs:
!
interface Vlan50ip address 172.16.50.2 255.255.255.0!interface FastEthernet
[Code]....
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Dec 13, 2012
We have a problem with CDP packets on sent by our Cisco 6509's. Unlike our other Cisco switches (4948G, 5020, etc.), the 6509 tags administrative traffic on the native vlan. As a result the CDP packets are sent with an 802.1Q header with a tag of 1. The other switches send the CDP packets untagged on the native vlan. This causes problems because we have non-Cisco devices in our lab that also receive and send CDP, but they do not process the packets that are tagged by the 6509. They see the packets from the 4948 and 5020 just fine.
How can I disable the administrative native vlan tagging on the 6509? Here is the current setup:
nwkdev-6509-1#show vlan dot1q tag native
dot1q native vlan tagging is disabled globally
nwkdev-6509-1#show interfaces gigabitEthernet 1/9/1 switchport
[Code].....
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Oct 9, 2012
I am trying to configure RV082 router with Mac Native VPN Client for my remote access. However, no matter what I did, I am not able to make it works. Can any one can give me an example of how to conguration my RV082 router and Mac Book Pro(Mountain Lion)?
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Jan 22, 2013
I have just configured up a sg500 with a lacp trunk to an upstream switch.
I am getting native vlan mismatch on the individual ports of the lacp team.
24-Jan-2013 12:54:48 %CDP-W-NATIVE_VLAN_MISMATCH: Native VLAN mismatch detected on interface gi1/1/24.
24-Jan-2013 12:57:35 %CDP-W-NATIVE_VLAN_MISMATCH: Native VLAN mismatch detected on interface gi1/1/48.
[Code].....
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Jan 14, 2013
I've been experimenting with the 'vlan dot1q tag native' command on a switch and it seems as though tagging the native vlan breaks vty access to my access point.With the 'vlan dot1q tag native' commnand applied, I lose management connectivity to the AP with 'no vlan dot1q tag native' applied, connectivity is restored. Why is this? Is it safe to say that one can access the AP via vty lines using ONLY untagged packets?
SWITCH
Model: WS-C3560G-24PS
Code: c3560-advipservicesk9-mz.122-46.SE
--Abbreviated CONF
vlan dot1q tag native
[code]....
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Jun 2, 2012
I was searching a lot , but I couldn't find any good example, how to configure DHCP server for our wireless clients on Cisco Autonomous AP. I'm looking for example how to configure Dot 11 radios and BVI interfaces.
I have no problem to configure DHCP server on BVI 1 and VLAN 1 ( native VLAN ) interfaces, but there is a problem with other BVI's and VLANs. Maybe this feature isn't supported? Maybe DHCP server feature is supported to work just with default BVI and native VLAN?
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