Cisco Switching/Routing :: Using ASA-5510 To Route VLAN WLAN Connection
May 28, 2012
I am a complete newbie to Cisco equipment. So far I've been able to figure out how to do most of what I needed by using the ASDM but I have run into something that is a little more complicated that just opening a port. We currently have a connection to our remote site. This site has a T1 internet connection. Our connection is a site to site VPN with an ASA-5510 on this end and a ASA-5505 on the other.
We are upgrading this connection to a 75mbit hybrid microwave/fiber link. The provider is going to hand it off to us as an untagged VLAN. We made the decision to route all of the remote site's internet access through this location as to avoid having to split off part of the bandwidth of this link to dedicate to internet access.........
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Nov 13, 2012
Firewall: ASA 5510
Switch: Linksys SRW2048
Physical topology: PC - > VLAN99 - > SRW2048 - trunk - > ASA5510
Switch Setup:
I've been tasked with breaking up a network that has run out of IP's, and have decided to use VLANs to accomplish this. I have to use an ASA5510 to accomplish all the routing between hosts in different VLANs.Port 48 is trunked to the ASA eth0/0 interface, with VLAN 99 and VLAN 20 tagging packets, VLAN 1 Untagged. Hosts hooked up to appropriate ports on Switch.
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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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May 29, 2012
this is router 887, its vlan is 192.168.3.1/24. If I'd like to add a static route via different host within same vlan, rather than the router, like:
ip route 192.168.100.0/24 192.168.3.6
How can we achieve it? I tried adding it directly and failed:
(config)#ip route 192.168.100.0 255.255.255.0 192.168.3.6
%Invalid next hop address (it's this router)
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Sep 23, 2012
I just got my Cisco SG300 28, but I have some problems getting the routing to work. I get the vlans to get to the router, with the default route. But not getting them to talk with each other. I can ping the IPs from the cisco, but I am not getting traffic to go from vlan 1 to vlan 2. When I try to google, it say that it should do it automatically, and I found no setting for it. It looks like it not creating any route for the interfaces.
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Dec 12, 2012
Cannot set route map on interface vlan. which in non default vrf on Cisco 3750.IOS c3750-ipservicesk9-mz.122-55.SE.bin sdm prefer route in enable ip vrf users rd 200:0 route-target export 200:0 route-target import 200:0 interface Vlan201 description Users 1 ip vrf forwarding users ip address 10.31.76.1 255.255.252.0 ip helper-address 10.31.4.57 route-map fromuser permit 10 match ip address fromuser set ip next-hop 10.31.128.155 When I enter "ip policy route-map fromuser" to interface Vlan 201 I heve the message:
% Remove VRF configuration from interface Vlan201 first
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Nov 1, 2012
I am trying to configure policy based routing however when i try to apply to an interface vlan. The configuration does not show in the interface.
route-map OTHER_ROUTE permit 10
match ip address OTHER_ROUTE
set ip next-hop x.x.x.x
[Code]....
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Apr 22, 2012
Here is my configuration below , i have upgraded my C-3750 switch IOS from IPbase to IPservices , after upgrading i have tried to apply PBR on my Vlan 4 and failed , when i am tying to apply route-map to Vlan4 the command was taking but i am unable to see the route-map when sh run , i am giving the command as "ip policy route-map TTSL" in my Vlan4 , below is the configuration.
In Vlan2 i have connected one ISP and Vlan4 I have connected one ISP , my local subnets are 192.168.1.x and 192.168.2.x , now i want to route the 192.168.1.x traffic from Vlan2 and 192.168.2.x Traffic from Vlan4 .
sh boot
coreswitch#sh boot
BOOT path-list : flash:c3750-ipservices-mz.122-35.SE5/c3750-ipservices-mz.122-35.SE5.bin
[Code].....
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Mar 11, 2012
We are deploying a new office in the building next to our main office. The main office has a Cisco ASA 5510 behind that is a Cisco 3750 stack. In the new office we are deploying a new Cisco 3750, they will be connected via fiber cable. I have sliced off VLAN 800 as a transit link /30 with an address space of 10.249.249.1-4. The new 3750 only has two VLAN's 800 and 112 (10.112.0.0/24). VLAN 112 routes are advertised to the neighboring 3750 properly as seen in the routing tables of the 3750 stack:
D 10.112.0.0/24 [90/3072] via 10.249.249.2, 00:22:24, Vlan800
Traffic passes between all local VLANS with no issue. I found in order to get packets to pass between the ASA and the new 3750 I had to add a static route to the ASA:
S 10.112.0.0 255.255.255.0 [1/0] via 10.100.0.1, inside
My question is why is EIGRP not advertising the 10.112.0.0 network to the ASA. Here are EIGRP configs on the switches
Existing 3750 Stack
router eigrp 100
network 10.0.0.0
redistribute static
[code]....
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Jul 24, 2012
how to configure a backup route to the internet. My client has 2 ISP and basically they want to use 1 ISP and in case the ISP fails, use the other one as backup route to the internet.
The problem I’m facing is that each ISP is plugged to a dedicated ASA 5510, so 1 ISP in one firewall and 1 in the other. Both ASA are plugged to an internal network in a dedicated VLAN with a L3 switch and that L3 switch manages the internal network.
My question is, how can I tell my switch to use ASA1 to go out to the internet and in case the ASA 1 OR THE LINK TO INTERNET used by ASA 1 fails, use ASA 2? It would be great if I can send traffic to the internet thru both connections at the same time. Also, I know the ASA has High Availability configuration, but that applies only if both licenses in the devices are the same and I have a mismatch with the SVPN license, and also I don't know if with my current topology I can use the High Availability model, so I think I can’t use that option and the solution must be applied in the L3 switch, but I don’t know how to tell it to use ASA1 and if failure of the device or the outside interface plugged to ISP 1, then use ASA2. Besides, I would like to know how to optimize this config to do the switch between internet connections seamless to the users if possible (there are VoIP calls on this floor, so I don't want to drop the calls).
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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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Mar 24, 2013
to configure this router my main objective is ADSL connection, and wireless network setup.
[code]...
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Sep 24, 2012
Have multiple Catalyst 2960S switches, Cisco 2911 router and ASA 5510 firewall.
On the router have subinterfaces created for the VLAN's Int FA0.0/41 for wirless VLAN setup with IP 10.10.41.100 Int FA0.0/60 for new Voice VLAN setup with IP 10.10.60.100 Internal network is 10.10.10.0/24 and LAN IP of router is 10.10.10.100 Have default route setup to push traffic from the router to the firewall ip route 0.0.0.0 0.0.0.0 10.10.10.251
On the firewall have added the new VLAN 10 (10.10.60.0) to the network object-group Have configured route inside command route 10.10.60.0 255.255.255.0 10.10.10.100 1 Have also added the NAT command nat (inside) 1 10.10.60.0 255.255.255.0
On the 2960 I have my laptop connected to port 45 and I have it configured as follows switchport mode access switchport access vlan 10
I assign my computer a static IP address of 10.10.60.84/255.255.255.0/10.10.60.100 with 10.10.10.11 as DNS server. When I do this, I can ping anything on the 10.10.60.0 network, I can ping anythign on the LAN 10.10.10.0 network. I am able to connect MSN messenger, I am able to do NSLOOKUP and get outside IP addresses to resolve. I am unable to browse the Internet though. I am not sure where the problem is at though. It doesn't make sense to me, as it is setup the same way as VLAN 41 which is the wireless network, and when users connect to that, they get out to the Internet with no issues.
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May 28, 2012
, I am trying to change the default IP address in vlan 1 on a cisco 861 but everything I do so my connection via SSH hangs and all ssh/telnet attempts are refused.
my commands are as followed:
int vlan 1
ip address 192.168.1.1 255.255.255.0
[hangs]
my current vlan 1 address is 10.10.10.1 255.255.255.0
my vlan1pool on dhcp
is an address range of 192.168.1.0/24
do i need to update something in the authenication to allow connections from 192.168.1.0/24 instead of 10.10.10.0/24
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Jun 24, 2011
I've enabled antispoof on all interfaces on asa 5510.If you start a traceroute to a network on the default route, everything works, since replies comes to an interface with route 0.0.0.0/0 defined.If you start a tracer route to a network that is NOT on the default route (let's assume coporate MPLS), you only get response from first carrier router, the other are discarded because of anti spoof violation.
I have ICMP inspection and icmp-error inspection enabled.
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Jan 6, 2013
I am tring to configure ssh in cisco 4507.After doing so Ican see ssh connection establish from default vlan but getting failed from other vlan.rectify the ssh configuration so that connection estabnlish from any vlan.
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Jul 21, 2011
In the restructuration of my company network we install due ASA 5510 in failover for the management of internal network and DMZ. We configure the ASA in routed mode, we create the sub interface for server, client and dmz subnet and we connect the firewall ti the network. Everything works very good except the intervlan routin. If i try to send or receive a file in every protocol, ftp, http, smb o if i try to conne with rdp or vns to an host in a different vlan the connection goes very very slow. I particular a ftp connection between two host goes ti 15kb/s. I check all cable and port for some error on duplex ro speed, end all the uplink are 1gb and the single client connection 100Mb. I know that the main purpose of the ASA is not doing routing stuff but this behavior is very strange.
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Jan 20, 2011
I have a Netgear GSM7248R switch with 5 different Vlans including th management Vlan. Each of the vlans are connected to my layer 3 switch for routing. I want to access the management vlan form any of my Vlans so my layer two switch can be detected by my snmp manager.
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Jan 23, 2013
I've been given the task to clean-up our network config, and have walked into a disaster zone.We have a 4510R on site with everyone using the default VLAN, VLAN 1.I have created 4 new VLANS, VLAN100, VLAN150, VLAN200, VLAN250 I have assigned interface addresses to each VLAN and configured Inter VLAN routing.I can route to and from each new vlan with no problem, i.e VLAN250>VLAN100 VlAN100>VLAN200 etc but I can't route to VLAN 1(Default VLAN) from any of them, I can ping the interface on VLAN 1 from any VLAN , but any hosts are unreachable. On the flip side , from VLAN 1 I can route to all of the VLANS.
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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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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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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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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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Mar 18, 2012
I want to setup VLAN with the switches SG300 and SLM2024. What is the suggestion to connect these 2 switches. We have the Juniper net screen.
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Sep 11, 2012
recently i just connected a non cisco ip phone(from panasonic) to Cisco 2960 POE switch at site A. The PABX system is located at site B,Site A and site B are connected using MetroE Point to point.I would like to apply QoS for voice vlan. I want to assign 2MB to the point to point connection for voice vlan.
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Dec 14, 2011
I am working on the exact same configuration as noted here [URL] that uses subinterfaces on the asa. I have two interfaces on my stacked 3750's configured as trunk ports (primary ASA on primary 3750 stack member, secondary ASA on secondary 3750 stack member).
My questions is what should the DG be configured on the 3750. Can I keep the 3750 in L2 or will I have to enable L3 routing? Should the VLAN interfaces be configured.
The port that the ASA is configured with has 3 subinterfaces on VLAN 100, 200, and 300.
The subinterfaces are G0/2.100, G0/2.200, and G0/2.300.I am in the middle of converting from 3 separate DMZ switches, each attached to their own port on the asa which is their default gateway to one physical port on the ASA broken into 3 subinterfaces which then connect to stacked 3750's. The stack will then have the 3 separate DMZs in actual separate VLANs.
My goal is to leave the default gateway for each dmz on the ASA so I don't have to modify other areas of the ASA config.
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Feb 25, 2013
We have two catalyst 3560 switches running c3560-ipbasek9-mz.122-58.SE2.bin They are connected using etherchannel using gi 0/21 - 24 interfaces.
on 3560-1 switch, there isn't any ip-default gateway or ip route configured. It only have 1 interface vlan configured.
on 3560-2 switch, there is ip default gateway configured along with 1 interface vlan.
What i dont understand here is that, i can reach out to other subnets from 3560-1 switch in which the routing is not enabled?
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Apr 5, 2013
I have a Cisco router 1941 connected to a switch. I'm configuring the w LAN- AP and i need to have the wireless devices have an ip in the same range of the wired devices.Since i cant use the same ip range on the gig0/1 and the V LAN 1 for the wireless, i wanted to know how to config the giga0/1 connected to the switch to act as a layer 2 port and i keep the ip on the v LAN 1.
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Jan 22, 2012
I haven't got time to test different configurations yet. Just want to quickly ask here about the fall-over route-map configuration. I saw lots of example using pip prefix-list to specify the next-hop for tracking. Is that the only way you can do it? Can you just use a standard ACL to specify that host like permit host 10.2.2.2? ip prefix-list will do like ip prefix-list seq 5 permit 10.2.2.2/32. And you apply the prefix-list to route-map then. ACL will work?
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Nov 18, 2008
I have a 3750g on which I am trying to configure the ip policy route-map command on each of the vlan interfaces. However after entering the command it does not appear. I'm not sure what to do at this point. I have changed the SDM template to routing and I am running the IPServices image.
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Apr 3, 2012
I have a router with two interfaces what i need to filter the HTTP traffic from one interface and the rest of the traffic through the other on my cisco router 2800.
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May 22, 2013
I have an MPLS network router(Router1) and an internet router(Internet1) at a site of mine(Site1). the MPLS router sends all unknown traffic out the internet router. Router1 is the default gateway for all hosts and directs the traffic.I also have another network at an alternate site (Site2) on the same mpls network also with an internet egress. It is composed of an MPLS router (router2) and an internet router (Internet2).I would like Router1 to send internet bound traffic out Internet2 if Internet1 is down. Basically the statement on Router1 for the unknown traffice is ip route 0.0.0.0 0.0.0.0 172.31.1.254I have never heard of IP SLA before but it seems to be the best method for this situation.
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