Cisco :: Inter VLAN Communication?

Jan 3, 2013

I have a customer who has vlan's and SVIs residing on a core 6509. the 6509 is connected to an ASA 5515 then out to the internet/sp edge deviceIP routing is not turned on. there is a static route on the 6509 that routes all ip's to the inside interface of the asa 5515 that the 6509 core is connected to.there is a set of vlans that are apart of a 192.168.128.0/19 subnet and all those vlans can "speak" to each other.

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Cisco :: Inter-VLAN Communication Without Routing?

Feb 25, 2013

Say I have a managed switch that supports VLANs. I have two computers and one server connected to the switch (I'll call them PC-1, PC-2, and SRV-1).Without routing, I want both PC-1 and PC-2 to talk to SRV-1 and vice versa, however I don't want PC-1 or PC-2 to talk to each other.I achieve this by making each port a trunk port. I make PC-1 a member of VLAN 2, PC-2 a member of VLAN 3, and SRV-1 a member of VLAN 4. The port that SRV-1 is on I make a tagged member of PC-1 and PC-2 (VLAN 2 and 3 respectively) and make the ports the PCs are on a member of the SRV-1 VLAN (VLAN 4).Everything tests OK (that is, the clients can't talk to each other, however the clients can individually talk to the server)

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Cisco WAN :: Inter Vlan Communication On Nexus 3048

Jan 15, 2013

Recently configured one nexus 3048 switch. Create two vlans (Vlan 10 and Vlan 19). Vlan 10 is 10.1.X.X/24 and Vlan 19 is 192.168.X.X/24, connected two pcs one is Vl 10 and second pc 19. But not able to communicate both Vlans.Nexus 3048 are not Support VTP Mode Server, running version 5.0. [code]

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Cisco Switches :: Inter VLAN Communication SG300 With 192.168.1.x IP Ranges

May 15, 2013

we have an SG300 latest 1.3 firmware, we have it acting as our DHCP server, we have a 10.10.1.x range, 10.10.3.x range, and 192.168.24.x range, they are all on seperate VLANs and all can talk to each other which is what we want.  However we have someone who wants to use the 192.168.1.x range to add IP cameras to our network using there own switch.  I figured I'd just setup our server to do DHCP etc and it would communicate with the 10.10.1.x range of IP addresses no problem.  It turns out the SG300s can't do DHCP for that range, so if he has all static address on the 192.168.1.x range how can i setup inter VLAN communication so we can talk to that range?

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Cisco :: 5508 - Block Inter SSID Communication

Oct 25, 2012

I have a wireless network with LWAPPs and 1 WLC 5508. How to block communication between SSIDs (clients in different SSIDs bassically) and whether that is even possible from the controller? I'd like to mention that communication between clients whithin the same SSID is already blocked.

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Cisco :: STP And Inter-vlan Routing?

Apr 12, 2012

Just messing around with packet tracer for a little practice. I tried to setup a router on a stick config with 3 switches trunked and PCs on different vlans. Anybody know of any issues that may arise with STP and inter-vlan routing? I set everything up correctly with trunking, addressing, encapsulations, vlans, but did not touch STP. Unable to ping from any PC to any where.

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Cisco Firewall :: VLAN Communication On ASA5510?

Aug 10, 2012

I have a working environment but wondering if there is just a better way to accomplish what I am trying to do (without a layer 3 or 4 switch). Basically I have a few sub interfaces on my Cisco ASA5510.
 
Now what I do need is some of the VLANs to communicate with specific devices on the different VLANs. So for example I need computer 1 from VLAN 5 to communicate with 192.168.10.5 from VLAN 10 on ports 80 and 443.
 
What I am currently doing is settings the security level to 100 on each interface (including the DMZ).
 
Here is what I have:
 
interface Ethernet0/1.5
vlan 5
nameif Sub5

[Code].....

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Cisco :: Inter Vlan Routing Protocol

Jan 31, 2013

What is inter vlan routing protocol? What are its three modes?

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Cisco Firewall :: Inter-VLAN Routing In ASA 8.3

Oct 21, 2011

i am doing a set-up having the ASA as my Layer 3 device providing inter-vlan communication. ASA with 8.3 firmware. how i can achieve this goal. i am trying to follow some answered topic related to this but its pre 8.3. VLANs created on the same physical have same security level.

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Cisco Switches :: SG 300 28 Inter Vlan Routing

Sep 12, 2011

[code] I would like to config two IP ranges, one for staff, one for guest wireless access. The dlink wap supports multi vlan SSIDs.Reason I'm doing this is to prevent access on the guest wireless to access the win 2003 server.Will the switch inter vlan route the 192.168.2.1 to 192.168.1.1? How will vlan 2 get DHCP, will dhcp relay need to be set on vlan 2 to 192.168.1.20 ? [code]

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Cisco Switches :: 300 - Inter VLAN Routing On SRW?

May 17, 2011

Can inter VLAN routing be done on SRW (Cisco 300 series) switches ?

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Inter-Vlan Routing SG500

May 12, 2013

I know very little about switches. This is the first time I've ever touched them. However, I'm the only one in the company who has the slightest knowledge on how to make them work.

4 vlans
vlan 1 - 192.168.32.1 - Existing network with Internet access
vlan 33 - 192.168.33.1
vlan 34 - 192.168.34.1
vlan 35 - 192.168.35.1

From the laptop on vlan 33 I can ping the management interfaces (192.168.x.1) for each of the vlans. However, I cannot ping anything on those networks.

Below is what I have with the config. Right now not much attached to these switches until they are setup.

Code:
config-file-header
poe-switch

[Code].....

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Cisco :: Inter VLAN Routing With Port Channel

Oct 30, 2012

I want to do the inter vlan routing packet tracer file url...configuration of MLS are as bellow can anyone tell me why vlan on switch0 can not ping vlan on switch1. [code]

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Cisco WAN :: ASA5505 Inter Vlan NAT Exemption Not Working

Dec 4, 2012

Short version is we cannot communicate between our subnets.We have a Cisco ASA 5505 we are using for our network router.  We  have a Netgear L3 switch behind that with 10 vlans. Each VLAN is on its  own subnet.  (10.0.10.x/24, 10.0.11.x/24, etc)We have PAT for each subnet to our outside interface.  Each subnet NATs out properly currently.I have NAT exemption enabled for 2 of the subnets (eventually I will need all, but am just testing at the moment). I have tried multiple ways for the NAT exemption to allow all traffic  from our inside VLANS.  At this point in time I am trying to get  "Engineering" to communicate with all hosts on "AuthUser". I can ping some hosts, but not as many as if I am directly on the  interface.  I can reach a port 80 service, but not 443.  I cannot access  anything via hostname or NetBIOS.What am I missing to allow higher security level interfaces to fully communicate with lower security level interfaces?

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Cisco Switches :: SG300-10 - How To Set Up Inter VLAN Routing

Jun 6, 2012

I have a connection on IP 192.168.1.21, Subnet 255.255.255.0 - this is on the default VLAN1 on the switch. I need to route this to IP 10.0.3.101, Subnet 255.255.252.0 - which is set up on VLAN2 on the switch. I have set the switch to Layer 3 via console.
 
how I setup this route? I am use the Browser based interface.

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Cisco WAN :: 2811 / Inter VLAN Routing Non-Operational?

Jan 11, 2013

I have set up a 2811 with seperate VLANs for phones, and another for computers/printers. Fa0/0 is trunked to a 3560 switch, which has all end devices plugged in. I have enabled the IP Routing commands on both devices, and from advice turned off proxy-arp on the VLANs on the router (unsure if this is causing the issue). The setup is as follows
 
Computer VLAN = 192.168.20.0
Phone VLAN = 192.168.50.0

Both on the same subnet, along with a router loopback address in the same subnet, at 192.168.10.1.I am having an issue understanding why, but if I try to ping a phone from a PC it times out. Or if I try to type the phone's IP into an internet browser to get the phone's GUI on screen, it fails. This should not be happening as IP routing has been enabled on both, and everything is in the same subnet, correct? PC's can ping other PC's and network printing works fine. Phones register and operate fine, but the two VLAN's will not interoute.Furthermore if I try and ping the router's loopback from the switch, it fails. But the trunk is up and operational because DHCP and devices work within their own VLAN. If I try to ping end devices from the switch, it returns 100%. There seems to be an issue with the router looping the different networks together.

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Cisco Switches :: SGE2010 Inter VLAN Routing

Oct 3, 2011

I've recently installed an SGE2010 switch, which I have set to 'Layer 3' mode.
 
I have created 2 VLANs using 192.168.10.x and 192.168.20.x (using .50 for the VLAN IP address in each case) - however, I need to be able to allow certain traffic between the VLANs.Alternatively, to get things started - I'm assuming I need to set up ACLs to allow access between VLANs - how would I configure the switch to allow all traffic from one VLAN to the other?

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Cisco Firewall :: Inter VLAN-Routing ASA 5505?

Jul 8, 2012

Ive been readin all over the internet (including this site) trying to figure out if the asa can handle intervlan routing. Im not sure what I am missing on my config to get this to work.  Ive read that it can work and Ive read that it cant work. How to get this to work on my asa 5505.
 
Here is my setup
 
Cable Modem ---> ASA (eth0/0) 
(eth0/2) -->unmanaged switch for LAN connectivity
(eth0/3) --> Access point for wireless LAN connectivty
 
My config is attached
 
What I would like to do is be able to communicate between vlan3(LAN) and vlan4(Wireless LAN)
 
Whats strange is I can RDP between the two vlans but I cant ping or anything else.

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Cisco WAN :: 6500 / Inter / Intra VLan ACL - OSPF?

Dec 11, 2011

Core: DC  : 2- 6500 (PO Trunked) Configured L3 vlan interfaces with HSRP.
Vlans:
Servers - 192.168.5.0/24
PCs: 192.168.10.0/24
Phones : 192.168.20.0/24
Replica-exchange: 192.168.30.0/24
 
DR- One Core SW:
 
Vlans:
Servers vlan - 10.10.5.0/24
PCs: 10.10.10.0/24
Phones : 10.10.20.0/24
Replica-exchange: 10.10.30.0/24
 
OSPF is the routing protocol. Everything works fine.New requirement (exchange 2010 MAPI & DAG subnets)
 
192.168.5.0 <--> 192.168.30.0 & 10.10.30.0 : Communication should fail
 10.10.5.0/24<--> 192.168.30.0 & 10.10.30.0 : Fail
 Replica@DC <--> Replica@DC: work
 Replicas --> Rest of the nw- not that of an issue.
 
Iam thinking of adding a Extended ACLs on Replica-Exchange (DC & DR) and servers Vlan interfaces to block bidirectional communication.
 
 CORE1 &2:

access-list 101 deny ip 192.168.5.0 0.0.0.255 192.168.30.0 0.0.0.255access-list 101 deny ip 10.10.5.0 0.0.0.255 192.168.30.0 0.0.0.255access-list 101 permit ip any any
!access-list 102 deny ip 192.168.30.0 0.0.0.255 192.168.5.0 0.0.0.255

[code]....
 
Similar to the same on DR as well. I wanted to see if ACL is the way to go or any other suggested methods with OSPF being the routing protocol.

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Cisco VPN :: ASA 5520 Firewall - Inter VLAN Routing

Jul 31, 2011

We use Cisco Any connect with a Cisco ASA 5520 firewall.  Today I changed the inside interface of the firewall's IP because i needed to do some inter vlan routing and needed to move the inside interface from the lan vlan to a routed port on our 3750. 

Now people can vpn and authenticate to the MS radius inside but cannot access any network resources nor ping anything inside.

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Cisco 3560 VLANs And Inter-VLAN Routing

Sep 29, 2011

I have no router inplace that can do trunking (5505 basic license )I have 2 VLANS 10 Data 20 voice I have given both VALNs IPs lets say

-VLAN10 192.168.1.1
-VLAN20 192.168.2.1

Enabled IP routing and set the router as the gateway of last resort.Now becuase the L3 switchis doing the routing I have had to set the default gateway as the VLAN IPs. So PCs on VLAN10 get a gateway of 192.168.1.1 and phones on VLAN20 get a gateway of 192.168.2.1

Any real downside to having the 3560 doing the VLAN routing, is this the "correct "way to do things in the event I don't have a trunkable router?

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Cisco Switches :: SG300-28P - Inter VLan Routing?

Mar 17, 2012

configure my new SG300-28P. When I have started the switch, I have specified a new password and enabled telnet in order to setup the switch in Layer 3 mode.
 
After a restart, the switch took its IP address from a DHCP server. When I try to set a static IP address (192.168.2.1), I receive the following error message: Duplicated IP interface on the same subnet.
 
The IP address 192.168.2.1 is not used by any device within the network. For information, the message doesn't appear when the switch is in Layer 2 mode.
 
why I can't change the IP address of default vlan in Layer 3 mode ? All I can do is set the IP address to static or dynamic.
 
For test purpose, I have added 2 vlans. But I wasn't able to route traffic between vlan. how to configure the switch to route traffic between vlan?
  
find below details informations about my VLANs.

- Default (VLAN ID 1)
IP Address : 192.168.2.1
Subnet : 255.255.255.0

[Code].....

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HP 5500-24G - PFsense Or Inter Vlan Routing

Apr 1, 2012

In my home setup I have an PFsense firewall wich is doing all the routing right now, but right now my net speed is maxing out about 500mbit, i my think it's the pfsense hardware, but its an 1500Mhz C7 VIA with 2Gb ram, I just bought two new switchs, HP-1910-24g and a HP 5500-24G they can do some layer 3 routing, will my speed get a bumb up when the switch is doing some of the vlan routing.

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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 10mb Port - Inter VLAN Routing On 1721

May 18, 2012

Second laptop attached to cisco 10mb port with an IP address of 10.18.158.200 and the cisco interface 10.18.158.254.Okay, here is what is happening and I cannot work it out.If I ping, from Laptop 1 to the cisco subinterface on 192.168.94.253 it is succesful. If I ping from the 1721 to Laptop 1 it is successful. I see the VPN come up and the rulebase on the junipers show the traffic flowing across (ICMP).If I ping, from the 10.18.158.254 interface via telnet on the 1721, I can ping all the way through to 192.168.194.254, which is the gateway for Laptop 1.

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Cisco Routers :: Setting RVS4000 Inter-VLAN Routing?

Mar 6, 2012

Is there any way to granularly allow hosts from one vlan to be able to access another vlan with Inter-VLAN routing DISABLED?Can the use of an ACL override the setting?In general I don't want any traffic between VLAN's but there are 2 hosts on one VLAN that I would want to allow access to a server on another VLAN.

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Cisco Firewall :: ASA5525x - Restrict Inter-vlan Traffic

Jan 11, 2013

I have a customer, who has the SVI's configured on the Core (4500x) and this is connected to a ASA 5525x,  there is a requirement of restricting traffic between different vlans. How can i use the ASA to accomplish this task. ACLs on the Switch are not stateful and hence not considering this option, Also we are not planning to configure the GW's on the ASA since there is lot of traffic between the vlan's and this will become a bottleneck

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Cisco Routers :: RV220W - How To Restrict Inter VLAN Or DMZ Traffic

May 9, 2011

I just received my rv220w and perhaps I haven't got enough experience with cisco routers. How can I restrict traffic between different VLANs?

For example: Hosts in one VLAN shall only be allowed to access a web server in another VLAN. All other traffic should be blocked. I've created two VLAN with Inter VLAN Routing enabled. But it seems there's no way to install a firewall rule between VLANs.

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Cisco Switches :: SG 300 Setting Up 2 Vlans With Inter Vlan Routing

Oct 2, 2011

I have recently purchased 2 SG 300 switches, 1 x SG 300 52 & 1 x SG 300 10, and I am hoping getting the following set-up working.To assist I have drawn the following simple network diagram (below) which hopefully makes it a little clearer what I am trying to do:I have 2 companies occupying a single office with the requirement to share printers/devices etc... so basically I am looking to set-up 2 VLANS (say VLAN 10 & VLAN 20) with inter-vlan routing. To add a little complexity the main comms area is located in the basement of the building, this houses the 2 DSL routers and 2 Servers, one for each company. I am proposing putting the SG 300 10 port switch in here and then use the 3 uplinks I have been given to connect back to the SG 300 52 which is in a patch cabinent 2 floors up. I want to use 2 uplinks (in a LAG) for Company A and 1 uplink for Company B. FYI. DHCP is being served out by each respective router.

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Cisco Routers :: RV180 Cannot Get Inter-VLAN Routing To Work

Apr 20, 2013

I have been banging at this now for two days and just cannot get Inter-VLAN routing working to work on this router.
 
Upgraded to latest Cisco firmware (1.0.1.9).Starting with factory default settings, I added 2 VLANS as follows: [code]

BUT....PC2 cannot ping PC3  - NOT WORKINGPC3 cannot ping PC2  - NOT WORKING [code]

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Cisco Firewall :: Inter VLAN Routing With ASA 5520 And Cat 2960?

Jul 26, 2010

I am a complete novice at networking, but I was tasked to have an ASA 5520 do inter VLAN routing (since my shop doesn't have a layer 3 router).As a basic setup, I am trying to have three workstations on three different VLANs communicate with each other.  The attached screenshot shows the topology. I am unable to ping from a PC to the ASA...therefore I can't ping to other VLANs. 
 
ROUTER CONFIG:
 
ciscoasa#ciscoasa# show run: Saved:ASA Version 8.3(1)!hostname ciscoasadomain-name nullenable password ###### encryptedpasswd ###### encryptednamesdns-guard!interface GigabitEthernet0/0no nameifno security-levelno ip address!interface GigabitEthernet0/1no nameifsecurity-level 100ip address 10.10.1.1 255.255.255.0!interface GigabitEthernet0/1.10vlan 10nameif vlan10security-level 100ip address 10.10.10.1 255.255.255.0!interface GigabitEthernet0/1.20vlan 20nameif vlan20security-level 100ip address 10.10.20.1 255.255.255.0!interface GigabitEthernet0/1.30vlan 30nameif vlan30security-level 100ip address 10.10.30.1 255.255.255.0!interface GigabitEthernet0/2shutdownno nameifno security-levelno ip address!interface

[code]....

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Cisco WAN :: WS-C3560G-24TS-S / Inter Vlan Routing Stopping

Jun 16, 2011

we need config on WS-C3560G-24TS-S inter vlan communication stopping as per attached document.

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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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