Cisco WAN :: 2811 / Options To Secure Branch Office Connection To HQ Over Provider MPLS Cloud?
Sep 7, 2011
What are my best options to secure branch office connection to HQ over Provider MPLS cloud. Our existing Setup
<<HeadQuarter>> :: DataCenter hosting Email, ERP, Intranet, Voice Services 10mb link to Service Provider over MPLS CloudMPLS is terminated on a 3825 Router running advance Services
<<BrancOffice>>::Total 10 In Country Branch Offices2mb Link to Service Provider over MPLS CloudTotal users in each branch : 20 MPLS is terminated on a 2811 Router running advance Services
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Feb 8, 2011
We have about 200 spokes (2811 routers), each one connected to two hubs(7206VXR with NPE-G2) via a separate DMVPN. DMVPN is over MPLS cloud provided by the local operator. On the hubs we get very frequently these type of messages
.Feb 9 16:00:10.402: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 200: Neighbor 10.X.X.X (Tunnel3) is down: Interface Goodbye received.Feb 9 16:00:11.658: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 200: Neighbor 10.X.X.X (Tunnel3) is up: new adjacency
On the spoke
Feb 9 13:36:48: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 200: Neighbor 10.X.X.X (Tunnel0) is down: holding time expiredFeb 9 13:36:51: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 200: Neighbor 10.X.X.X (Tunnel0) is up: new adjacency
I think the default eigrp hello and holding timers (5,15) are not suitable since these are wan links.
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Apr 30, 2012
I've studied and labeled out MPLS and MPLS VPNs several times. The situation I'm presented with is a little different from most of the case studies I've seen in my MPLS books. I've attached a diagram.
We have a IPsec site to site tunnel from our main HQ router to a Cisco ASA 5510 in the core network in the colo. This allows our HQ office to reach the private sub nets in our core without using a Cisco VPN client. The problem we are running into is that this seems to be putting undue strain on the Cisco 2811. I feel like the 2811 should be able to handle it but doing any kind of upload or download through the tunnel spikes the CPU/Interrupts and makes the router CLI basically stop responding until the traffic transfer is stopped or completed. During this time, certain Cisco SCCP phones on our Broad works platform cycle while the SIP phones on the same platform are OK. We are trying to alleviate the load on the 2811 by setting up a VRF from the HQ network to the private VRF used in the Core for private sub net communication. The problem I'm having is the the HQ also has some public traffic that I do not want to include in the VRFs and would like to have it travel through the P2P circuit we have and access the internet or other public devices through the core public IP Internet routing table.
The flow would be this:
-going to a public address use the public internet routing table
-going to private address in the 10.x.x.x or 172.x.x.x - use VRF to core Private network.
This is a little different of a set up from most of the VRF VPN examples I've seen. Most of those the CE devices is completely private. This is not the case at our HQ.
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Apr 11, 2012
I am trying to set our VPN connection to route to our branch office from a VPN Client. So far I did not succeed and at this point I am stuck.At our office we have a VPN Server which enables VPN Clients to connect to our main office with an IP Range of 192.168.104.0 with subnet 255.255.248.0 and a branch office with a IP Range of 192.168.25.0 and a subnet 255.255.255.0Internally on the LAN the routing is done by our firewall, which acts as DHCP and Default gateway. It connects the 2 LANs by a leased line.When I ping an IP address in our branch office from our main office I get a reply.
Now when a VPN client connects it gets a IP Address in the range of the main office from our firewall and the client can connect to all computers in the main office network. However if i try to connect to a computer in the branch office it does not work.I tried a static route in the Routing and remote access Server (which is Windows Server 2003 R2) and I tried adding a static route to the DHCP settings on the firewall. In both cases it does not connect from the VPN Client to the branch office.Searching the internet, since the examples are all based on a setup with a RAS Server on both networks. The LANs are already "integrated"/"physicly connected" trough the routing on our firewall and its leased line.
I also tried settings on the VPN Clients machine. Settings like "Use gateway in remote network" on or off and tried adding static routes. This did not work, since the Default gateway I must use is not on the same range as the home network and returned an error trying that.What I noticed is that the VPN Client gets a route which uses the VPN CLient IP as default gateway. Makign a static route like that will work (I think), but since the IP addresses for the VPN clients are obtained through DHCP and can vary each time, there is no way (i think) to automate adding a route with, for example, a batchfile that I could give to the employees connecting trough VPN because of the variable IP.
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Sep 13, 2011
We recently switched two of our branches to point-to-point fiber connections to our corporate office. Previously they were using MPLS connections. For branch A, the ethernet handoff of the fiber is connected directly to a Catalyst 3750 gigabit port. That port has no configuration on it. The other end of that fiber is connected to a gigabit port on the 3750 switch at our corporate office. That port is configured with an IP address that is within the subnet of branch A, and is operating at layer 3 due to the no switchport command.
Branch B currently has a Cisco Express 500 ethernet port (with no configuration on it) connected to the fiber hand off there. At first we setup a port on the 3750 at our corporate office that is connected to Branch B via the fiber in the same manner. This resulted in us receiving DCHP leases at Branch B from Branch A. Obviously not desired. Now we have the port on the corporate 3750 that is connected to Branch B's fiber configured with switchport vlan 64. I also configured interface vlan 64 on that switch at corporate with an IP address from the branch B subnet. We then set that IP address as the default IP address for devices at Branch B.
We are having trouble with both an ATM and a phone system not communicating properly at Branch B. At Branch A we are experiencing the same oddity with the phone system, but the ATM is able to communicate fully. At branch B, when configuring a Windows Vista or Windows 7 laptop with a static IP address that is known to be available, you get transit failures when trying to ping. Essentially everything seems to be able to route fine, but some traffic even after a full tcp hand shake seems to not transmit properly.
When you configure a point-to-point fiber connection from a layer 2 switch at a location without a router to a location with a Cisco Catalyst 3750 switch as the endpoint, what is the best way to configure both sides?
Currently we only have vlan 64 configured on the port mentioned on our switch at corporate, and then the switch at Branch B is essentially operating as an unmanaged switch at the moment with all ports in vlan 1.
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May 24, 2013
setting up MPLS on a single T3 line. A client has contacted us to set up a 2951 at a branch location. There are 5 locations connected with MPLS.They will split off 4meg of the T3 for mpls. The rest of the 45meg would go to the internet.They have two 1841's currently set up with a T1 line in each. One 1841 connects to the MPLS and the other to the internet.When the T3 is turned up by the provider, everything, internet and MPLS, will go through it. I asked for the current configurations, but I have not received them yet and this setup is due in a couple days.Given I've never configured MPLS before and I have a rudimentary understanding of how it works, any tips or configurations? I'd hate to be stuck on site and not equipped to complete the job.
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Sep 30, 2012
We have Cisco 1921 routers that a provider is using for MPLS. They have it configured so that all internet trafic is passed to an internal ip address that is our proxy server. However, they are pushing all of the routing rules down to the workstation which is causing the local route tables to grow to be massive in a very short time.For example, the second I ping a website, the ip address is resolved and then the route is added for the source ip address with the default gateway of the proxy server.I would have thought that all the rules would have been handled by the router and let it keep the table entries.
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Feb 29, 2012
I'm looking for Routing Design scenarios to complete our configuration needs for remote branches. We will have two 1921 routers in each location, one with a T1 from our MPLS carrier, the other with a DSL connection from an ISP. The T1 router will have an assigned AS and use BGP to router back to head quarters. The DSL router will have an IPSec tunnel back to an ASA 5510 at head quarters. I envisions a GRE tunnel from the DSL router back to head end routers connecting to MPLS at head quarters. Not sure yet how to manipuate the routing between head quarters and the branches such that the T1 router is the primary route to and from the branches and the DSL router is for failover/backup.
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Apr 23, 2013
I have a problem with a branch office setup, and I can't for the life of me think of what the problem is.I have a remote office setup, using an ASA 5505 that is set up to establish an easy vpn connection to the central network. The connection at the branch office is a 20/5 cable modem, the central network has a 25/25 fiber connection.
The issue I have is this. Wired clients work fine at this branch office, at least 95% of the time. I have a lightweight AP there that can come up and join the controllers at the central network, no problem. I haven't done anything with H-REAP because there are really no resources locally they need that would allow them to do their work, so all traffic is tunneled back to the WLC.
Wireless clients can authenticate to the AP, and I can get 15-20ms ping responses from them all day. Latency never comes close to the 600ms proposed limit with CAPWAP. Yet, for some reason the performance of the clients is problematic. Webpages will frequently not load correctly, they experience some freezing, and with one application we use - it refuses to load completely.If we bring these same computers to an AP connected to our central network, on the same SSID, they work flawlessly.
Something about this particular location is causing a lot of grief for our users.For what it's worth, we are running WCS 7.0.230.0 and the WLCs are on 7.0.116.0. The ASA is running a pretty basic configuration, pretty much out of the box with the easy vpn configuration entered.
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May 22, 2012
I'd like to connect through a VPN the HQ office to a Branch using two ASAs.I have a 5520 in the HQ and 5505 in the Branch Office.My problem is in the Branch office where I have a dynamic IP (ADSL).
I couldn't find a example this kind of configuration.
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Sep 11, 2012
I need to confirm internet access from remote network through MPLS cloud to another site. Let me explain. We have a MPLS network with Wind stream as listed in the visio drawing; site 1 has internet access through the Time-Warner cloud for all users. Site2 has internet access through the Wind stream MPLS router. Site three has no internet access, and only has LAN access layer2 through Windstream routers to Site1 for networks 192.168.0.0/24, 10.1.1.x/24. My question is can we give everyone at Site 3 internet access through the MPLS network down into Site 1 using the Time-Warner ISP cloud.
I placed routes on the Site 3 3750 stack IP route 192.168.50.x 255.255.255.0 to the interface of the MPLS router at site3, then at site 1 we have IP route 192.168.50.x 255.255.255.0 to the MPLS interface, and able to ping all anything on the 192.168.50.0 network. I added the IP route 0.0.0.0 0.0.0.0 192.168.50.x the MPLS router interface, we do not have internet access at Site 3 using Site 1 network.
I confirmed at Site 1 from the Cisco 3750 switch we can ping 4.2.2.2 = Google. How to confirm this will work and what’s required to complete this connection to give everyone at site 3 internet access through Site 1 Time-Warner.
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Dec 19, 2012
How to configure load balancing in MPLS between two different service provider.
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Aug 1, 2012
We have AT&T Managed MPLS service are our datacenter and our branch office locations. AT&T has provided the routers and simply give us an ethernet connection. We also have ethernet connectivity to the internet through our datacenter...with our network being protected by an ASA 5520.Each branch location has a 29xx series router (voice gateway) and switching gear attached to their AT&T MPLS router. Some of our branches also have 3rd party cable internet service with an ASA 5505 to protect it from the internet. What I'd like to do is better utilize this cable modem/ASA5505 setup. Right now, if there were an outage, I would be connecting manually to the remote location to change static routes to point to the cable link and to configure a VPN tunnel between the remote and our DC.
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Jun 29, 2011
I've followed Watchguard's instructions for configuring a Branch Office VPN connection, and I'm unable to connect. I have configured the Watchguard gateway to accept remote-to-local connections and put in the Watchguard's public IP address as the local connection, and the WRVS4400n's public IP as remote.The Linksys has the local VPN group configured as 192.168.0.0./24 and the remote gateway as the Watchguard's public IP Address.When I connect it remains "down" and I"m receiving errors saying it could not authenticate. I have the passphrase the same on both sides with 3DES and SHA1 configured.Does the WRVS4400n support this type of VPN configuration or am I wasting effort?
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Jan 31, 2012
I am preparing to move two branch offices from a point to point T1 connection to Century Link Metro Ethernet.Currently my branch locations connect to my HQ 7204 router via a channelized DS3. I have a 4507R at HQ that I will connect the ME circuit to.We will also be moving our Internet connection on the ME circuit.Our service provider Clink will hand me a single Ethernet handoff for the Internet and branch office connections. For the first phase I will connect one branch office using ME. Once that is in place and tested we will move another office and so on. Then our final step is to move our web connection to the ME circuit.Each branch office has their own unique voice and data subnet. They each have a 2801 router and a 3560 switch. The routers are MGCP gateways with only one PSTN connection, a POTs 911 line on a FXO port.
So my questions are;
1 - Should I connect the ME directly in to the 3560 at the branch offices or use the Fa0/1 on the 2801? Fa0/0 is currently connected to the 3560.
2 - On my 4507R at HQ how will I configure the ME switch port? As a dot1q trunk port?
3 - Given that ME is basically a LAN connection will I have to re IP the branch office? HQ is 10.10.1.x/24. Branch is 10.10.166.x/24 (data) 192.168.166.x/24 (voice).
4 - On the 4507R will I need to configure a vlan interface for each branch subnet?
I attached two network diagrams. One represents our current topology (MEexisting) and the second represents the new ME circuit changes (MEprojected).
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Jan 26, 2013
I have got two 1841 and one 881 cisco router. I can keep any one of this router at HO and remaining at branch office. I have got a static internet IP at HO but dynamic IP at branch office. I want to setup a VPN to connect to HO from branch office through router. The branch connects through a private IP for internet purpose. Which VPN is the most secure and best for this purpose.
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Jun 6, 2012
I have to setup what seems to be a very basic configuration, but it doesn't work. In our lab there is a cluster of switches with a 3550 that does all the routing for vlans. I need to simulate a sort of a small branch office that has one connection to the outside world (the lab network). [code] From the router I can ping any host on vlan 230 and other vlans,I can also ping the pc connected to e0/1.However from the PC I can only ping 192.168.1.1(e0/1) and 172.26.230.150 (e0/0) [code]
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Jan 24, 2011
We have multiple sites that are linked via MPLS (L3) circuits. We have good size circuits for Internet at two main sites (HQ and QC) and smaller sites come to HQ site to go to internet. We are running ospf (Cisco L3 switches) with service provider (ME3400) at these two main sites and service provider then redistributes routes back into MPLS via BGP and then smaller sites ME3400 learn these routes. i am injecting default routes from HQ and QC, but Telco is only redistributing default from HQ. So large pipe Internet at QC is not being used effeciently. Also if MPLS at HQ fails, then we are told, we need to call Telco and they will make change in their network to now start distributing default from QC.it was my understanding that telco can use BGP communities and advertize one default as prefered and second with higher cost, so that failover can occur automatically. And that they can also set up so that west cost sites use HQ and east cost sites can use QC for going to internet, but they say it is not possible.it the least, can I do something like this at my end for failover for internet, in case MPLS at HQ goes down (soon we will be setting up a point to point VPN tunnel between HQ and QC so that MPLS failure at HQ will trigger advertisement of HQ routes over tunnel via QC into MPLS, so other sites can then come to HQ thru QC over this tunnel. At QC Cisco router (to detect loss of default route from HQ and then start advertizing default from QC)
router ospf 1
default-information originate always route-map From_HQ
exit
ip access-list standard From_HQ
[code]....
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May 18, 2012
I have been told to connect our branch offices over outdoor point-to-point wireless CPE. The wireless brand is Orthogon. The Main office got cisco 4507 L3 switch where all building switches terminate. DHCP,DNS and all application are hosted in main office. The branch office got ONE 24 port POE Switch cisco 2960 where all users will be connected, On Port 0/24 of 2960 switch at branch will terminate the outdoor Wireless and other end will be terminated on 4/15 of 4507 at main office? what command I need at both interface where Wireless is terminated.when we connect floor switches to 4507 we got these commands on access switches
vtp mode client
vtp version 2
vtp password cisco1
vtp domain LIC
Fiber termination port configuration - switchport mode trunk
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Dec 17, 2012
I am trying to configure access to several remote offices for users who VPN into our main datacenter. The datacenter has a 5520, and the branches are connected through IPSec L2L VPNs. Branches all have 5505 or 5510's. Remote users use IPSec via the Cisco remote Client. Remote access into our data center works, and the L2L VPNs are perfect...just now that i need remote users to access the branches after Remote access VPNing (for support) i cant get that part to work.
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Aug 2, 2011
We have used two Cisco RVS4000 to create the IPSec VPN between the main office and the branch office. The main office has SBS 2008. There is a Windows Server 2008 as the domain controller in the branch office. One branch office user has a laptop which is not in the domain, but his exchange account is set up in the Outlook. When he connects the laptop to the branch office network, he cannot connect to the exchange server and get the emails. Is there any configuration to set up in the router, server or Outlook?
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Mar 6, 2013
Our Headquarter (asa 5510) is running a site to site vpn connection with a Branch office (router 2811). All remote users are accesing the internet through the VPN and also accesing headquarter file servers.I want to know if there is a way for some remote users to be able to use the vpn for accesing the file servers but to access the internet through the branch office. The rest of the remote users will be still accessing the internet through VPN.
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Sep 27, 2011
We have an aironet 1130ag in a remote office connected to the data centre over MPLS. The Radius server is based on server 2003.We have hundreds of these points set up exactly the same but this is the only one giving me issues, I even stripped the config and rebuilt it and then swapped with a new access point
The issue is that clients can't authenticate when connecting to the access point but provides nothing in event viewer. Checking the RADIUs server provides nothing either.The access point error logs just state station: authentication failed
On looking deeper into the problem I enabled RADIUS debugging on the access point and got some interesting results, in particular is the line:
no sg in radius-timers: ctx 0x12EF0A4 sg 0x0000.I can't find out what no SG in Radius-timers actually means, but after that line appears I just see more retransmits and no sg fails.
I inspected the packets on the RADIUs server and found lots access requests coming from my access point and lots of access-challenges returning back from my RADIUS server - I'm not sure how often that's supposed to happen or if it's a one time occurance. I did however see directly after the first access-request that the RADIUS server returns with UDP and is fragmented, length is 1514...... could this be the problem? If so why cannot it hanlde fragmented packets?
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Mar 2, 2012
i have 2 routers 2811 interconnected together ,1 of these router running in circuit with 2 Mbps over Internet the 2nd one use MPLS Circuit with a bandwidth of 4Mbps,how configure the routing to route over the MPLS while IPSec act as standby
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Jan 5, 2012
To check if this is enough to built point-point MPLS between 2811 abd 3745Maybe some other technology should to be used for point-to-point connection?Basically, there should be transparent connection between routers.Also, it's possible to use ISP routers as MPLS endpoints for MPLS, so seems just etherenet connection required
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Apr 16, 2011
I have 3 Cisco Routers as following :G.SHDSL Router : Cisco 3845 withISDN and Branch Router : Cisco 2811.How My Network works :Branch Router has two type of connection ( First one : G.SHDSL link work as Main link and the other one ISDN Link work as Backup link )when main link goes down the ISDN link goes up ...( Note : i applied IP SLA with tracking ) ...
My Problem :i want to delete default route from ( G.SHDSL Router )0.0.0.0 0.0.0.0 dialer 3..My network works properly with these configuration but when i delete the default route 0.0.0.0 0.0.0.0 dailer3 , my network goes down ( Failover technique not works)
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Nov 2, 2011
I have a branch about 2KM far from Main Branch i want to share my database with another branch which device should i use. I have 1MB DSL internet through phone line.
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Nov 16, 2012
who to connect two dsl connection with two different provider
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Oct 10, 2011
I have an ASA 5505 that during preak usage, likes to lose it's connection to the cloud for 50 seconds. The device is alive and kicking, can route between different interfaces, but it's connection to the cloud dies. This happens every 45 minutes or so during our peak internet usage.
the nastyness of the config, I was having issues getting PPTP pass-thru to cooperate, and never cleaned up after myself.
Result of the command: "show run"
: Saved
:
ASA Version 8.2(1)
!
hostname THEMAN-ASA
[Code]....
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Jul 9, 2012
I have currently a Cisco 3600 router, it has three interfaces (all ethernet interfaces only).We being a client, our requirement is, we want two links one being the primary and one secondary for the fail over.My ISP has done certain configurations, but I am so puzzled what really has been done. I asked with them and they told that they have provided us one public IP 202.166.217.248 via Fibre--> Media Converter-->Ethernet 0/0.At the same time, they have given us a pool of addresses of the network 202.166.216.48/29 through the interface Ethernet 2/1.And we have used all the available public IPs in the server farm.They have told that, for the failover purpose via wireless, they have even used an IP address 202.166.213.114/25.
Now, where my confusion lies is, cant they provide the pool address via fibre? What is the significance of the ip that has been provided via fibre? What actually is its purpose? Isn't it consuming an extra interface ?Cant we have both the primary and secondary link excluding that one additional process?Or, am not understanding the real working mechanism how ISP distribute the internet?
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Feb 24, 2013
ASA-5510, inside, outside, and some DMZ.Some services published with Static NAT - no problem.Now we need to add a second outside connection, with a second provider.Internet navigation only through the first provider (default gateway to the provider router "A").I need to publish some services ALSO through the second provider, ensuring the accessibility of both public IP addresses.I can set up the second NAT on the second interface, but the answer is ONLY to the first IP (the ISP "A", where I have the default gateway).By Cisco manual, it seems that there is a "lookup route" automatic with the return route of NAT, but it does not work.
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Jan 11, 2011
we are charter High speed customers and just recently upgraded are connection speedHowever today my sisters netbook wireless connection stopped working. My DS wifi connection is also dead now In the past the the wireless network name was wifi-****** but now its called wireless and the wep key no longer works
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May 22, 2012
We are connected to 2 different providers (PROV01 and PROV02) with eBGP full internet tables. PROV01 routes have higher local preference over PROV02.
We are having problems with our provider and would like your expertise. PROV01, higher preference has been having trouble with their router. The BGP remains up but the router stops forwarding traffic. as a resulta we lose connection to the internet but our traffic never goes to PROV02 since PROV01 BGP remains up announcing the 400K routes to us.
Is there a way to test internet connection though PROV01 and as the "internet is DOWN" automatically change traffic to PROV02? Can BGP parameters changes be triggered by IP SLA? Our router is an ASR1006 RP2.
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