Cisco WAN :: 2811 - Redundant ISPs Connection On Router

Aug 8, 2012

I have two ISP need to connect them on my router.
 
The Router that I have is 2811 where it contains two Fa ports only, so I put an access switch between the two ISPs and the Fa0/0 then configured the Interface Fa0/0 with two IPs ISP1 and ISP2 as a secondary.
 
The problem that I faced that when ISP1 become down the another secondary IP (ISP2) stay down and the internal users have no access to the internet.

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Cisco WAN :: 2 ISPs / 2811 Router - Internet Access To LAN / VPN Access To VLANs?

May 31, 2012

I have 2 ISPs terminating on 2 FE ports on my 2811 router.ISP1 had always been here, used for the following:Internet access to LAN usersInternet access with public IP mapping to servers in different security zones (VLANS)Site to Site VPN tunnels to 3rd party partnersRemote VPN access to 3rd party partners We recently got a second ISP, mainly for the following:Internet access and public IP mapping to servers on seperate security zones (VLANS)Site to Site VPN tunnels to 3rd party partners as above, but different hosts So far, ISP1 and all the above service have worked based on the config below. However, having added ISP2, I have not been able to successfully create the site-to-site VPN tunnels.

version 12.4
!
ip source-route
!
ip cef
!
ip name-server 4.2.2.2
ip name-server 137.65.1.1
ip inspect WAAS enable

[code]....
 
Whenver I try to establish a tunnel on SDM_CMAP_2 and run a test using CCP, I get 2 failure reasons:

1. The peer must be routed through the crypto map interface. The following peer(s) are  routed through non-crypto map interface - 4.58.130.130

2. The tunnel traffic destination must be routed through the crypto map interface. The following destinations are routed through non-crypto map interface - 4.58.130.134
 
The tunnels on SDM_CMAP_1 are all active Do I need to include a default route for the second ISP on the router? If so, how do I get this done? When I tried it, I had loops on the user LAN segment of the network.

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Cisco WAN :: 2811 Configuration Of BGP For Two ISPs For Link Failover

Nov 1, 2011

does cisco 2811 support?if no, can i make it work for BGP?also, i want to know the configuration of bGP for twoo ISPs for link failover.it will be google if u tell me step by step approach for configuring it

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Apr 14, 2012

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Cisco WAN :: 2811 / Connection Between Two Vlans On Same Router?

Mar 21, 2013

We have two 2811 router with configured interfaces:

Router1
interface FastEthernet0/0.380 encapsulation dot1Q 380 ip address 192.168.232.18 255.255.255.248 no snmp trap link-status crypto map clientmap!
interface FastEthernet0/0.382 encapsulation dot1Q 382 ip address 10.132.1.126 255.255.255.252 no snmp trap link-status
interface Vlan1 ip address 192.168.5.1 255.255.255.128 ip nat inside ip virtual-reassembly
ip route 0.0.0.0 0.0.0.0 192.168.232.17
ip route 10.132.254.35 255.255.255.255 10.132.1.125
 
Router2
interface FastEthernet0/0.197 encapsulation dot1Q 197 ip address 192.168.222.2 255.255.255.248 ip nat inside ip virtual-reassembly no cdp enable
interface Vlan1 ip address 192.168.1.1 255.255.255.128 ip nat inside ip virtual-reassembly ip tcp adjust-mss 1452 
 
So my case is: computer from router1's network can ping 192.168.222.2 (router2 -FastEthernet0/0.197 )computer from router2 network can ping 192.168.232.18 (router1- FastEthernet0/0.380),but can't ping 10.132.1.126 (router1- FastEthernet0/0.382).

How can i connect vlan 380 and vlan382.I want the three vlan to see each other.Is this happen with IRB or not?

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Cisco WAN :: 2811 - Connection Between Two VLans On Same Router

Jun 2, 2011

my problem is this:we have two 2811 router with configured interfaces:

Router1

interface FastEthernet0/0.380 encapsulation dot1Q 380 ip address 192.168.232.18 255.255.255.248 no snmp trap link-status crypto map clientmap! 
interface FastEthernet0/0.382 encapsulation dot1Q 382 ip address 10.132.1.126 255.255.255.252 no snmp trap link-status
interface Vlan1 ip address 192.168.5.1 255.255.255.128 ip nat inside ip virtual-reassembly
ip route 0.0.0.0 0.0.0.0 192.168.232.17
ip route 10.132.254.35 255.255.255.255 10.132.1.125
 
Router2

interface FastEthernet0/0.197 encapsulation dot1Q 197 ip address 192.168.222.2 255.255.255.248 ip nat inside ip virtual-reassembly no cdp enable
 interface Vlan1 ip address 192.168.1.1 255.255.255.128 ip nat inside ip virtual-reassembly ip tcp adjust-mss 1452
  
so my case is:computer from router1's network can ping 192.168.222.2 (router2 -FastEthernet0/0.197 )computer from router2 network can ping 192.168.232.18 (router1- FastEthernet0/0.380),but can't ping 10.132.1.126 (router1- FastEthernet0/0.382)How can i connect vlan 380 and vlan382.I want the three vlan to see each other.Is this happen with IRB or not?

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Dec 26, 2012

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I have a 2811 that is my HQ router with a 10MB pipe.  I was trying to configure a IPSEC tunnel to connect to my ASA that has access to our companies internal servers on the 10.33. and 172.16.31 network.  I am having a problem getting phase 1 to even come up.  I've looked over the configurations and unless i'm overlooking something I dont see what could be keeping it from at least completing phase 1
 
Below are the configs.
 2811-CFG
 crypto isakmp policy 10
encr 3des
hash md5
[Code] ....

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Jun 1, 2006

For some reason I cannot seem to get a connection between the router and the switch.  I see the FE ports on the siwtch, sh ver  includes all 18 FE ports, but it seems that there is no backplane connection.  The only way I can get conenctivity to the switch module is to jumper between one of the routers FE ports and a NM port.  The switch will not accept any IP addressing on the same network as the router becasue of overlap.  Am I just being stupid?  My understanding was this NM would have a backplane connection to the router.  Some docs mention a GE conneection that should show up and there were two parts to the config, one to set up the interconnect and then to set up the switch.

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Nov 2, 2011

I'm generally pretty good with VPN issues and with SSL certs, but this is my first rodeo with VPN and certificates together.  I've got a Cisco 2811 router running IOS Firewall (12.4(25)) and for a while now, I've had VPN clients connecting using PSK's and XAUTH.  In order to tighten security, we'd like to move away from PSK's with Aggressive Mode and use certificates with Main Mode.I've been trying to use the Cisco 2811 as the CA, rather than use a Microsoft server or third-party provider.  I think I'm pretty close to getting this to work, but something isn't quite right.  My VPN client software does connect to the 2811, and I get prompted for the XAUTH creds.  If I supply the right creds, I do see in my VPN log window that I've gotten assigned an IP address from the inside VPN pool, my split tunneling rules come through, but the VPN disconnects almost immediately and I never get a chance to try any pings or to send any other types of traffic. [code]

I have attached a sterilized copy of the 2811's current config (2811_sterile.txt), a copy of the 2811's debug output when the VPN client tries to connect (vpn_client_connect_sterile.txt), and a copy of the VPN client's log with IKE on High and Certificates on High (vpn_log_sterile.txt).FWIW, the 2811 is NOT behind NAT, but my VPN client IS behind NAT.  However, I have tried using a direct connection with the VPN client and it didn't seem to change much so I'm not convinced this is a NAT issue.Again, I've never used a Cisco router as a CA and I've been battling this problem for several hours now so the 2811's config may have a lot of unneccessary lines in it at this point.

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I am a total new comer for Cisco Router. All I know is plug the console cable to a serial port on a PC, fire-up HyperTerminal to view and that's it. I don't know any command or scripts.
 
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How to setup the router with the below configuration.
 
Serial IP : 1.X.XX.222
Serial Netmask : 255.255.255.XXX
 LAN IP : 1.X.XXX.1 to 1.X.XXX.31
LAN Netmask : 255.255.255.XXX
[Code] ....

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Apr 10, 2013

I have a peculiar issue with a router whering I get the message in the Show Environment as below.
 
sh environment out
Redundant Power System is not present.
 
SYS PS1 is present.
    Type: AC
 
AUX(-48V) PS1 is absent.
 
Fan  1 OK
Fan  2 OK
Fan  3 OK
 
Fan Speed Setting: Normal
 
Alert settings:
Intake temperature warning: Enabled, Threshold: 55
Core temperature warning: Enabled, Threshold: 70 (CPU: 95)
 
Board Temperature: Normal
Internal-ambient temperature = 22, Normal
CPU temperature = 37, Normal
Intake temperature = 22, Normal
 
Voltage 1(3300) is Normal, Current voltage = 3300 mV
Voltage 2(5150) is Normal, Current voltage = 5210 mV
Voltage 3(2500) is High/Low, Current voltage = 2168 mV
[Code]...

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chat-script dial "" ATZ AT OK "ATX3D T" ATS0=8 TIMEOUT 120 CONNECT C
interface Async0/2/0 description out of band for network no ip address encapsulation slip async mode interactive
line 0/2/0 session-timeout 5 absolute-timeout 10 script connection dial login local modem InOut transport input all escape-character BREAK autoselect ppp stopbits 1 speed 115200 flowcontrol hardware

[code]....
 
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Jul 10, 2011

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ASA Version 8.2(1)
hostname Corp-ASA
enable password 2KFQnbNIdI.2KYOU encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
[code]....

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