Cisco WAN :: Configured 2811 Series Router For Dmvpn
Nov 15, 2011I configured a 2811 series router for dmvpn. My two tunnels are up but one of the tunnel is flapping with this message.
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Cisco WAN :: Network Slow Down With DmVPN Tunnel On 2811 Router?
May 15, 2013We are facing network heavy and slow performance at one of our remote site, we are using Cisco2800 series router with same IOS on either of the sites.Our WAN network is running on BGP with EIGRP configured and tunnels were configured on either of the sites. As part of the testing I have removed the tunnel to see the performance was ok from Head office to remote branch and the WAN network is getting heavy and slow down when we put the tunnel back in hub and spoke.
quick info
Cisco 2800 Series router
IOS: (C2800NM-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE
Cisco WAN :: 1700 Series Router To 2811 Series Router / Going From T1 To Ethernet?
Jan 17, 2011I have not done much with business routers, but we have a 1700 series with a WAN WIC-1ENET card with a RJ45 connection. We had a T1 line and will be moving to ehternet. We are going to be moving to a 20MB line, and i just wanted to make sure I have the right connections before installing. We also have a T1 line in another loaton and would be moving to this same 2811 router there as well.We would also like to copy over the configuration from 1700 series router to the 2811 router. Would it be easier to do it by hyper-terminal? Also if we keep the 1700 routers are they capable of using layer-3?
View 2 Replies View RelatedCisco WAN :: 2811 - WCCP Transparent Proxy Over DMVPN
Nov 20, 2010I´m trying to config a wccp web-proxy in a ISR 2811 at branch network. I have an Iron Port at Head-Quarter.
The idea is that the users at branch network, transparently forward http traffic to Iron Port at Central-Office and from them go to Internet.
The communication between sites is over DMVPN. I have two GRE tunnels running OSPF.
The Iron Port is configured as wccp v2 transparent redirection with forwarding method L2 or GRE an retunr method as L2 or GRE.
I receive packets on the branch router "Here I Am" but it get a message on debug:
Nov 21 19:26:07.067 GMT-2: WCCP-EVNT:D10: Here_I_Am packet from 172.16.10.10 w/bad fwd method L2, received indirectly via Tunnel1Nov 21 19:26:07.067 GMT-2: WCCP-EVNT:D10: Here_I_Am packet from 172.16.10.10 with incompatible capabilites
Nov 21 19:46:07.035 GMT-2: WCCP-PKT:D10: Sending I_See_You packet to 172.16.10.10 w/ rcv_id 0000004F
Cisco VPN :: Setting Up IPsec For DMVPN Between 2811 And 2951s In Test Lab?
Aug 30, 2011setting up IPsec for a DMVPN between a 2811 and 2951s in a test lab. I have enabled IPsec on the hub (2811) but I am unable to do so on either of the 2951s. After researching, it seems that I may have the incorrect IOS for this, but I am at a loss which IOS I should be using. Currently the 2951s are on "c2951-universalk9-mz.SPA.151-2.T2.bin" and the only crypto options are(config)#crypto ?
ca Certification authority
key Long term key operations
pki Public Key components
while on the 2811 I get:
WIN-T(config)#crypto ?
ca Certification authority
call Configure Crypto Call Admission Control
ctcp Configure cTCP encapsulation
dynamic-map Specify a dynamic crypto map template
engine Enter a crypto engine configurable menu
gdoi Configure GDOI policy
[code]...
These are all hand me downs?
Cisco WAN :: 2811 - Eigrp Timers For DMVPN Over MPLS Cloud
Feb 8, 2011We 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.
Cisco VPN :: 3825 Series DMVPN Scalability
May 31, 2011I have three Hub routers that I'm wanting to compare DMVPN scalabiltiy capabilities (3825 versus 3945 and 3845). I know it must be there somewhere and I'm just not looking in the right place. But I've read and read and read about DMVPN designs and I'm not finding anything. This is turning into a time killer. What are the DMVPN limitations of these three routers are?
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View 1 Replies View RelatedCisco WAN :: 2811 HWIC Switch Cannot Be Configured As A Network Interface
Apr 14, 2012I currently have a Cisco 2621 powering a network at our co-location facility... It's a simple setup and is working well. The colo provides a redundant HSRP uplink, so I have their two uplinks going into a Dell switch. From that Dell switch I have a uplink into FastEthernet0/0 on the 2621, configured with my routing network, and then FastEthernet0/1 gets an address from my block of routable IP. FastEthernet0/1 then plugs into another Dell switch where I have all my servers connected. The servers get public routable IP addresses and use the address on FastEthernet0/1 as their default gateway.
It's time to upgrade off the 2621, so I aquired a Cisco 2811 which has two FE interfaces, as well as a modular HWIC-4ESW switch. My question is, can I get rid of the Dell Switch A in the setup above and just use the internal switch on the 2811 to accomplish the same thing? And I if I did this, would my two uplinks from the colo plug into ports 1 and 2 of that HWIC, and then port 3 would physically connect into FE 0/0? Or can I logically do that via configuration in the Cisco? I'm not sure how all this works and haven't received the new router yet, so I thought I'd get a head start and reach out to the experts.
My second question is unrelated, but each port on the HWIC switch cannot be configured as a network interface right? I'm pretty sure they can't as they aren't considered network interfaces but just thought I'd ask.
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Jun 15, 2011what is the maximum number of Lan-to-Lan and user vpns supported in the ISR G2 2911 and 2921?
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When we enable the port channel mode to as desirable to the interfaces on both side and applied the port channel to physical interfaces switch will go down and if we remove on any one side switch will come up. we have enabled globally the following commands. [code]
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Is there any license file we can upload in 861 router for DMVPN capability, if yes may i know the SKU # for that. We have some customers having 6-7 locations and they are planning to have 2 more locations, we implement already DMVPN in there network, if we go with the 87X or 88X router there price is almost double the price of 861.
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Jun 2, 2012why I can't use cisco ehwic-3g-hspa-u card in cisco 2800 series and 1841 series router?documentation said that it should work with that devices but when I installed it, it doesn't work even as device i can't see I am using cisco latest ios advance ent. 15.1(4)M4?
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Sep 10, 2012What router would you choose to setup 1500 dmvpn tunnels (mGRE/ipsec)? so this router will be my hub and the hub will have 1500 tunnels.this router with this many tunnels will have to be able to provide excellent service to all spokes/tunnels.the spokes will mainly use the tunnels for business, transfering small files and some email I would say they may transfer 500megabyte of data per day but that's the absolute maximum.
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Apr 15, 2013Trying to setup a DMVPN on out existing equipment that is currently running all point to point vpn connections. basicly its not working. my best guess is something with the config is interfering but i'm not sure the remote router (881) is always comming back with MM_NO_STATE and the main router(2901) is either MM_NO_STATE or MM_SETUP.
I added the config for the 881, 2901 and a debug crypto isakmp and debug crypto ipsec from both routers. I have verified the Keys are correct and it is not blocking port 500. if i issue a sh crypto isakmp policy they are the same on both routers. if you need me to post anything else i will, one note i removed the configs that were part of the point to point tunnls on the 2901 router.
Cisco VPN :: 2900 Router / One Hub Router And 3 Spokes - DMVPN Error
Jun 21, 2012I configured dmvpn at cisco router 2900. one hub router and 3 spokes. all of them are working normally but tomorrow i see one error at at one spoke router.
error:
Maximum Tx Bandwidth limit of 85000 Kbps reached for Crypto functionality with securityk9 technology package license
Cisco VPN :: 2800 - EzVPN And DmVPN On Same Router / Interface
Jan 20, 2012I have setup DMVPN and EAZYVPN on one router. Tunnel interface on Spoke one and Spoke two are up/up and show crypto ISakmp sa shows both tunnels are in idle. However, tunnel to Spoke one(10.10.1.1) keep bouncing on and off(see below). Every 30 sec or so, the tunnel gone back to IKE phase while tunnel for spoke two(5.5.5.1) still leave active. THe configuration on the HUB side is the same for both spoke!! show crypto ipsec sec shows both side has the same life time(IOS default). Could that be an IOS debug on the spoke one?
Hub :
Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 15.1(3)T2, RELEASE SOFTWARE (fc1)
HUB#sh crypto ipsec security-association
Security association lifetime: 4608000 kilobytes/3600 seconds
Spoke one:
Cisco IOS Software, C2600 Software (C2600-ADVSECURITYK9-M), Version 12.4(8), RELEASE SOFTWARE (fc1)
[code]....
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But if we connected same cable, with other old router 2811, it works fine. Confiuration is same on both the routers. [code]
Router Configured But No Internet Connection?
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But, we are unable to connect to this box,by SSH or by HTTP, either by plug-in PC to the Internet RJ45 or the LAN RJ45. It has no IP as 192.168.1.1. Instead, it was configured to have 192.168.1.1 as gateway.
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