Cisco Switching/Routing :: L2tpv3 Vlan-to-vlan Tunnel On 890
Jun 13, 2011
I am trying to setup a L2tpv3 VLAN-to-VLAN tunnel.My setup has two Cisco 890 router with Cisco IOS Software version 15.0(1) M4. These routers are connected directly on FastEthernet port 8.
One linux machine is connected on FastEthernet port 0 on each router. The two linux machines are on same vlan. I am trying to establish a vlan-to-vlan tunnel between the routers and send traffic between the linux machines.
I followed the case study 11.4 from [URL] and configured the l2tp-class and pseudowire-class. However, the vlan interface configuration is different on 890 router.
I configured a vlan interface as follows.
(config)#vlan 200
(config)# interface FastEthernet 0
#shutdown
#switchport access vlan 200
(config)# interface vlan 200
I don't see the 'xconnect' command in this context. What's wrong with my configuration?
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Jun 21, 2010
I'm looking to build (cheaply) some l2tpv3 tunnels across a campus network. I have a pair of 881's and I was hoping to xconnect the VLAN 1 intfcs between the two of them. "xconnect" is not a CLI option on the interface configuration, although it is for the individual Fa0-3 interfaces. Just for grins, I xconnected the l2tpv3 tunnel between each Fa3 on each router, and the tunnel comes up successfully and I can see a session established. I am routing between the WAN interfaces (Fa4) on each. However, L2 traffic is not passing between the two Fa3 interfaces. I can do it backwards, i.e. route between the Vlan1 interfaces and xconnect the Fa4 interfaces (i.e. WAN), and I can see broadcast traffic from the destination network appearing on the local interface. However, I'd really rather have the four interfaces in VLAN1 tunnelled rather than the WAN interface. I am guessing this has to do with ISL vs. 802.1q, since I'm trying to encapsulate VLAN1 as Ethernet and not as dot1q.
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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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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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Mar 31, 2013
i need to solves this little problem on 2960S lan BASE but i dont know if it is possible.
Uplink port config for gi 1/0/28 is:
switchport mode trunk
switchport trunk alloved vlan 10,11
but on interface gi 1/0/1 i want to have data from vlan 10 tagged as VLAN 20.
At this time i have solved this issue very primitively
I have set up gi 1/0/2 as int mode acces, acces vlan 20 and i have connected gi 1/0/2 with gi 1/0/3 with eth cable. int gi 1/0/3 is switchpor mode acces, switchport acces vlan 10
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Sep 16, 2012
I have a 3750G switch in my production network that only has VLAN 1 on it. All ports are in a default state and VLAN 1 is disabled. The switch is passing traffic but shouldn't having the default VLAN shut down cause the ports not to pass traffic? If I start to create VLANs will that cause the switch to stop passing traffic?
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Nov 20, 2012
We have a low bandwith (15-20 Mbit/s) to the ASA from our Client vlan. If i connect the Client to the same vlan as the ASA is, the bandwith (90 Mbit/s) is good.
Here are the Layer 3 Design:
Client -> vlan 2 - Switch - vlan 7 -> vlan 1 - ASA 5505 -> ISP
The Layer 2 Design:
Client -> Gig2/0/13 - Switch - Gig4/0/43 -> Eth0/1 ASA5505 -> ISP
IP Address:
Client: 172.16.2.10Vlan2: 172.16.2.1Vlan7: 172.16.7.1ASA: 172.16.7.2
I assuming the switch has a problem with routing ?It is a stacked Switch with following members:
switch 1 provision ws-c3750g-12sswitch 2 provision ws-c3750g-24tsswitch 3 provision ws-c3750g-24tsswitch 4 provision ws-c3750x-48
And we have following error message in the log from the switch:
%PLATFORM_UCAST-4-PREFIX:
One or more specific prefixes could not be programmed into TCAM and are being covered by a less specific prefix, and the packets may be software forwarded I first get the idea that the switch is overloaded with router traffic. Thats why i assuming i have to check the sdm templates, but i'm not sure if this resolves the issue.
Here are the relevant config:
ASA Interface on the Switch:
interface GigabitEthernet4/0/43description ASA-inside LANswitchport access vlan 7switchport mode accessspanning-tree portfast
Client Interface on the Switch:
interface GigabitEthernet3/0/1switchport access vlan 2switchport mode accessswitchport port-securityswitchport port-security aging time 2switchport port-security violation restrictswitchport port-security aging type inactivitymacro description cisco-desktopspanning-tree portfastspanning-tree bpduguard enable
[code]...
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Jan 9, 2011
i have a 7201 router with NPE-G2. i have a design which i have the option to send all the traffic through a GRE tunnel or a L2TPV3 tunnel.which method is more CPU consumption ?
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Nov 21, 2012
i'm going mad on following problem. I'm trying to get 2 networks seeing each other while one of the network is a non VLAN network and the other one is a VLAN network.They should use the same interface so i added VLAN e0/0.122 to the interface e0/0.Send a ping from my asa to both gw-IP's made me happy at first. In second in figured out that i cannot reach any client in the other network. For testing purpose i created an permit acl to any/any for both networks, but the packets still get dropped by the default implicit rule. (deny any/anyMaybe i'm to stupid for this
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Jan 18, 2011
I was found the different IOS support L2TPV3 tunnel ID, like 12.2(33)SRE is support 32bit, 12.4(15)T is support 16bit.so the 12.2(33)SRE can't xconnect/l2tpv3 to 12.4(15)T.
I found the 12.2(33)SRE Local Tunnel ID is over 65535, how about reduce it less 65535? or some other suggest to xconnect/l2tpv3 on different IOS?bcoz using same IOS series is normal. like 12.4T and 12.4T / 12.2SRE and 12.2SRE
some result is following.
12.4(15)T:
xxxx#sh xconnect interface gigabitEthernet 0/2.209 detailLegend: XC ST=Xconnect State, S1=Segment1 State, S2=Segment2 StateUP=Up, DN=Down, AD=Admin Down, IA=Inactive, NH=No HardwareXC ST Segment 1 S1 Segment 2 S2------+---------------------------------+--+---------------------------------+--DN ac Gi0/2.209 209(Eth VLAN) UP l2tp 152.xxx.xxx.120:500 DN Interworking: none Session ID: 15758 Tunnel ID: 60524 Protocol State: DOWN Remote Circuit State: DOWN pw-class: vlan-xconnect
xxxx#sh l2tun tun
[code]....
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Apr 22, 2012
Before I implement the VLAN setup I have configured I want to make sure I did all of it correctly.
Router SG300 L3 Router 192.168.0.93
VLAN10 - Servers
VLAN20 - Building B FOH - 192.168.2.1
VLAN30 - Building B BOH - 192.168.3.1
VLAN40 - Building A - 192.168.4.1
Port 24 - 28 Set as Tagged VLAN 10,20,30,40
#
Port 24 Internet Traffic
Port 25 Switch 1 Building B
Port 26 Switch 2 Building B
Port 27 Switch 3 Building B
Port 28 Switch 4 Building A
On the Sonic wall I have a static route for the 192.168.2.0, 192.168.3.0 and 192.168.4.0 networks going back to the 192.168.0.93 Router. All the Switches on the up link port are set to trunk with tagged VLAN 10, 20, 30 & 40 setup. On each port for each switch I have the ports untagged to the VLAN the devices should be on.
I have setup a DHCP relay to the DHCP server and associated each interface 192.168.2.0, 192.168.3.0 and 192.168.4.0 . Am I missing anything else? Did I do this correctly?
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Mar 20, 2012
In my company we are re-arranging the network and the servers, and a consultant is insisting to split our network to three V-lans using cisco SF 300-48P 48-Port 10/100 PoE Managed layer 3 switch as this:
1- Forefront TMG server
2- DC(AD,DNS,DHCP), ERP, File, servers
3- the rest of our workstations
i used the web access page to configure the vlan's but i couldn't find a way to assign IP address to Vlan port i searched a lot and read a lot of the posts and they mentioned changing the switch mode to layer 3URL
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Sep 5, 2012
DHCP = win2008r2
scope 1:
172.16.1.51 - 172.16.1.200
sub net 255.255.255.0
router: 172.16.1.1
scope 2
172.16.3.51 - 172.16.3.200
Sub net 255.255.255.0
router: 172.16.3.1
Nic1 = 172.16.1.20
Nic2 = 172.16.3.20
[Code] ......
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Jan 28, 2012
Coincidentally when i tried to configure router 877 as an adsl router i found that a vlan configuration is included. my question is what is the benefit of using vlans in router ??? i studied that we use it in switches for the purpose of network enhancment from broadcasts and netwrok segmentation. why we use vlans in routers ?
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Dec 9, 2011
what the difference between L2 Vs L3 VLAN? in know in which situation i use L2 Vlans but i don't know that about L3 Vlan.
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May 15, 2012
Im planning for a network upgrade.77.110.87.112/28 - is assigned to selected users and configured manually.(note: they are public IP which our ISP assigned)192.168.1.0/24 - is assigned to users that are not allowed to use internet services and configured manually. I have CISCO 1841 Router connected to the internet and CISCO SGE2000-G5 24ports layer 3 switch that is connected to cisco 1841 router.i want to create vlan in layer 3 switch. [code] i want all vlans would still ping to each other and file/printer sharing is available.kindly check if my network upgrade plan is correct, how am i going to configure those vlan in my layer 3 switch and to connect to the internet.
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Dec 2, 2012
I have a customer who is on thr 192.168.254.x subnet and is using a Cisco 881 as their gateway.
They wish to create a second VLAN for the 192.168.253.x subnet.
The Cisco has Dialer0 configured for an ADSL connection.
I have partly configured the router but need some info regarding router a device on the 192.168.253.x subnet to the internet.
configure routing to the internet on the new VLAN and assist in setting up a DHCP server on that vlan. I have attached a copy of the current config.
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Oct 24, 2012
I have a 3560-8PC in which the mgt vlan randomly (twice in one day or 2 weeks later) goes into the down state and will return w/o any interventaion 15-20 minutes later. Int G0/1 is the uplink to a 3750. I dont think its a layer1 issue at this time since i have seen it work just fine for over 2 weeks and drop again. I don't see any errors on the 3750 either.
WS-C3560-8PC 15.0(2)SE C3560-IPBASEK9-M
LOG:
----------------------------------------
.Oct 20 19:34:37.533 EDT: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changeds tate to up
[Code].....
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Feb 22, 2012
I was reading a QoS walkthrough earlier to try to solve my problem and I noticed that in IOS, you can specify "match vlan" in a class map. This is not available in NX-OS. I'm not doing any routing on the 5K so I cannot match on ACL, and port where traffic is received is a trunk sharing other types of traffic I'd like to classify elsewise.
How can I match traffic on a per-VLAN basis?
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Dec 22, 2011
I have the Cisco Router 861 whit the IOS c860-universalk9-mz.150-1.M7.bin. I have created a Vlan, but when I create a second vlan, I have this message: "Vlan can not be added. Maximum number of 2 vlan(s) in the database.
I need to add more than two vlan.
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Oct 24, 2011
In my network i have two 6509s connected with L3 etherchannel. i have created saparate vlans in the two 6509s with different switches.now i want to use one vlan in 1st 6509 in the 2nd 6509 how can i use ...
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Aug 14, 2012
I have a couple of Nexus 5ks that I want to put QOS on for the servers running behind it but also have voice running across it. Voice doesn't play well with jumbo frames so I'd like to put QOS only on the voice vlan.
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Jan 15, 2013
Why I got below error message when config Private VLAN?
Error: while enabling/disabling service: private-vlan, err: Private-vlan is not allowed in F2 VDC (0x40e4005d)
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Apr 17, 2013
I am working in my lab and I was adding a new L2/3 vlan
vlan 555
name test
int vlan 555
ip address 1.1.1.1/24
no shut
I have also ensured that this vlan is added to the port channel going to my Nexus5K's. I added the vlan to the 5K's and also ensured that vlan 555 is traversing the peer link. all is good there. I have also placed a device on a interface on the 2k as a access switchport on vlan 555
Here is my problem, the L3 interface will NOT come up on the 7K
LAB-DSW01# sh ip int brie
IP Interface Status for VRF "default"(1)
Interface IP Address Interface Status
Vlan555 1.1.1.1 protocol-down/link-down/admin-up
I have gone throug just about everything I can think of and I am still unable to get this L3 interface to come up. I have other L3 interfaces on this device that are configured exactly the sameway without any issue at all. All the existing interfaces are working properly, it's jut this new interface that I am trying to add.
I am running version 6.0.1 on the 7K and 5.2.1.N1.4 on the 5K.
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Feb 16, 2012
Any "best practices" or recommendations on how to migrate from a fixed router (3745) to vlan routing on Catalyst 4507 switches in order to minimize the disruption to the network.
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Oct 24, 2012
I have a network with a Catalyst 3750 as the main switch and then some Catalyst 2960 switches that are plugged in to that. I have a server running windows server 2008 with a couple of virtual machines running in Hyper-V. I created 4 VLANS listed below and gave the 3750 the following IP Address.I would like the 3750 to only be configurable from VLAN 40 but currently every VLAN can connect to it, I noticed in the standard web page settings there was a setting for "Management VLAN" but it was set to 1 and would not let me change it, I kinda assumed that was for the management port in the back.-Now the tricky part, I was trying to set up routing between the VLANs and so far I have only been able to get a sort of "all or nothing" routing to work. I can turn IP routing on and add two or more VLANs to the routing and it works fine. But what I was hoping to do is create a couple of "junction vlans" that would only route to one or two other vlans. For instance, I wanted to create a VLAN 100 that routed to VLAN 20 and 30 but nothing else. I also want to route VLAN 1 just to VLAN 30, and so on. I am able to do each one of the cases but only one, it seems like the switch only supports one "routing table" am I missing something or is this just a limitation of the switch?
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Oct 28, 2012
I have a network with several catalyst 2960 switches and one catalyst 3750. I have created two VLAN and set up the proper routing and everything is working fine there. I have a client/server application that used multicast in the initial start up for the client to determine available servers, the issue is one of my clients is on a different VLAN then the server. I am able to route the multicast using MVR as long as both the server and the client are plugged into the 3750 by creating a static route, making the server a source port and the client a receive port. Unfortunately I need the client and the server plugged in to different 2960s. My question is how do I establish multicast routing between the two and perferably do it dynamically (always route multicast traffic from one VLAN to another).
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Jul 24, 2007
Does Catalyst 3550 switch support inter vlan routing ?
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Jun 1, 2013
I have a DC topology based on 2 layers, access and aggregation, based on 2 pairs of N5548Ps, both without L3 Daugher Cards. My intent is to use the aggregation N5K pair as L3 inter VLAN layer, so I configured all the VLAN default GWs there. The 2 layers are interconnected via vPC, in a double-sided vPC topology for some N2Ks and some vSwitches. The point is that, despite connecitivity is working fairly ok, for some applications, like file transfer via either FTP or HTTP, between hosts in different VLANs, the performance is too poor. The file transfer starts ok, but after a while it becomes lower and lower. ICMP is working, but I can see some strange random behaviour, like having some packets taking more that 20 ms (sometimes 40 or more), whilst average is 2 ms.
I read through some articles saying that until you don´t have the L3 license (the one coming with L3 Daughter Cards) you can expect some weird behaviour on L3 level. Is that true?. What can I do apart of purchasing L3 Daughter Cards?. Can I enable L3 Basic license at the moment (I don´t need dynamic routing for now).
Here some excerpts of what I´m saying:
PING results:
10000 packets transmitted, 10000 packets received, 0.00% packet loss
round-trip min/avg/max = 0.809/2.496/57.559 ms
System version: 5.0(3)N2(1)
License and features on the N5Ks:
switch# sho license usage
Feature Ins Lic Status Expiry Date Comments
Count
--------------------------------------------------------------------------------
FCOE_NPV_PKG No - Unused -
FM_SERVER_PKG No - Unused -
ENTERPRISE_PKG No - Unused -
[code]....
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Dec 17, 2011
I have been looking into this for a while and I can't seem to figure out why my 2nd vlan is not able to connect properly to the net.
My switch has 12 ports where my devices connects directly, they are all on Vlan 1 and they all work perfectly. on Port 12 I have a dlink router that is connected to a cable modem. the dlink router has an Ip address of 192.168.0.20
I created a second vlan (vlan2) and enabled dhcp relay on it. then I assigned port 9 on the switch to (vlan2)my laptop which is connected to port 9 seems to get an ip address fine and able to ping only some devices on my network (vlan1) and is not able to go out to the internet. I think it has to do with the routes. [code]
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Feb 15, 2013
We have two Cisco 5505 firewalls connecting to two ISP's . The two internal LAN's on the firewalls are 192.168.184.0/24 & 192.168.186.0/24. We also have a Cisco C3560x layer3 switch with vlan interfaces 184.3 & 186.3. We have two DGS-3100 Dlink layer 2 switches connecting our users to the Layer 3. Ip routing is enabled for intervlan communication & I can reach the Switch interfaces & firewall gateways from machines on both on the vlans.We have pbr enabled on the 3560 & users only on the .186 network can get to the internet. The switch is running the ipservices license & the sdm template is "desktop routing" .
Users on the .184 cannot access the internet but we can ping the layer3 interface & the firewall gateway. [code]
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Jan 10, 2012
Can nexus 5010 supports inter v lan routing , as there is no core switch and router available in current network.
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Mar 24, 2013
In 3750 switch,I have configured intervlan routing.I have three vlans Vlan 10,vlan 20,Vlan 30 and I have assigned IP address for that Vlan.In vlan 10,I have connected one systen gigabitethernet 0/1 interface.From my system I am able to ping vlan 10 ip address but I can't able to ping other vlan ip address (vlan 20,vlan 30).Is it possible to up the protocol for all that time.
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