Cisco :: Configuring GLBP On Router?

Mar 30, 2012

We have 7200 router on which two links from different ISPs are terminated. Right now one link is primary and the second one is redundant.Now we have procured our own IPs and plan to run BGP with both the service provider. Can we configure GLBP on the router so that both the links can be simultaneously used and when one goes down the other takes the full load.

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Cisco WAN :: 3845 Creating GRE Tunnels On Glbp Enabled Router

Jul 18, 2012

Which is the best way of creating GRE Tunnels on a GLBP enabled router? I actually have two 3845 with GLBP configured as our gateway routers, and need to create gre tunnels to branches.The  plan is to use the GLBP virtual IP as the Tunnel Source address and the  branch WAN interface as the tunnel Destination address, how do i handle the Tunnel IP address? Do i create the same Tunnel  on both gateway routers and have a glbp virtual IP address for the Tunnel Interface as well?

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Cisco :: Is GLBP Work As A Link Load Balancer

Sep 12, 2012

Is GLBP(GATEWAY LOAD BALANCING PROTOCOL) Work as a LINK LOAD BALANCER?

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Cisco Switching/Routing :: Does WS-C3750X-24S-S Support GLBP

Dec 28, 2011

I would like to ask you that switch WS-C3750x-24S-S can support with GLBP?i have IOS version : S375xvk9t-12258SE. 

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Cisco Switching/Routing :: 3825 - GLBP Is Not Working

Feb 22, 2010

I have 2*3825 routers configured with GLBP, but traffic is moving only with one router it only fallback on other router when the 1st router is isolated.
 
diagram: LAN=======>ASA(Routed mode with active-standby)======>one Cisco L2 switch========>2 *3825 Router
 
When trace route from LAN PC show that traffic is only taking via single router. LAN gateway is defined as ASA inside address and in ASA a default route pointed to GLBP address.
 
RTR1 config:
==========
int g0/0
ip address 1.1.1.2 255.255.255.0
glbp 1 ip 1.1.1.1
glbp 1 preemt
 
 RTR2 config:
==========
int g0/0
ip address 1.1.1.3 255.255.255.0
glbp 1 ip 1.1.1.1
glbp 1 preemt
 
Is there any other config is required?

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Cisco WAN :: Nexus 7000 / How Many SVIs Can Be Part Of A GLBP Group

Jan 28, 2013

I have 2 nexus 7000's each currently running HSRP, All the SVI's are in 2 HSRP groups, my question is how many SVI's can be asocaited with 1 GLBP group? Does the Group have to be different for each VLAN? How many GLBP groups can be configured on the Nexus?

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Cisco Switching/Routing :: 4948E / EIGRP Implementation With GLBP

Sep 4, 2012

I'm in the process to install two 4948E switches.  I will be configuring GLBP and wanted to get some guidelines on configuring GLBP and EIGRP:
 
- First question is like HSRP I'm configuring it on both swithches like this:
 
Switch 1:
interface vlan 5
ip address 10.1.5.249 255.255.255.0
glbp 5 ip 10.1.5.1
glbp 5 priority 110
glbp 5 preempt
glbp 5 authentication md5 key-string xxxxxx

[code]....
 
- Second question is about EIGRP, when I configure EIGRP on the main switch that is AVG with the following commands, will I also have to run the same commands on the second 4948 E too?
 
router eigrp 10
network 10.1.5.0 255.255.255.0

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Cisco Switching/Routing :: Migration Of GLBP To VSS Between To 6500 Series SW

Jan 31, 2012

Is there a guide for a migration of the GLBP to VSS between to 6500 Series SW ?

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Cisco Switching/Routing :: Have HSRP Or GLBP Between Two Different Switch Like 3550 And 3560?

Dec 9, 2012

Can i have HSRP or GLBP between two different switch like 3550 and 3560?

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Cisco Switching/Routing :: How To Configure GLBP On 3750 Stack Switch

Nov 30, 2011

I have WS-C3750-48PS-S, i wanted to implement GLBP on this switch, Is it possible to configure GLBP on this switch?
 
IOS :                    c3750-ipservicesk9-mz.122-55.SE4.bin
Part number:     WS-C3750-48PS-S

[Code].....

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Cisco Switching/Routing :: 3640 GLBP Working Now Want Interface Redundancy?

Dec 6, 2011

So I have 2 routers (cisco 3640) that each go to their own ISP and then back to the same switch.  I have setup ospf and glbp, and now have pretty good redundancy.  If either internet connection or routers go down everything is still golden. 
 
So I was thinking that if an interface went down then the router would not be load balanced with glbp which got me thinking whats the best way to get interface redundancy (and I was going to add a 2nd switch with the second interface).

1) Setup BVI on the 2 interfaces.
2) Setup a 2nd interfaces (on each router), I would have to split the subnet, for instance: [code]then the machines could be on the subnet 192.168.0. 0/23 and setup glbp for 1 ip across all 4 interfaces (I'm not even sure if you can do this but think it would work).
3) Is there a way to utilize etherchannel or anything like this
 
A negative to option 2 would be that if 1 of the interfaces went down, all the sudden 2/3 (or so) of your traffic would be going through 1 router.

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Cisco Switching/Routing :: 3845 / 3640 - GLBP - Weighting Based On Bandwidth For One PPP Of Many?

Dec 28, 2011

I have two routers at our core data center, a 3845 and a 3640.  These are configured with GLBP.  There are 4 remote sites:
 
Site #1: One T1 link to the 3825
Site #2: One T1 link to the 3825, and One T1 link to the 3640
Site #3: One T1 link to the 3825, and One T1 link to the 3640
Site #4: One fractional T1 link to the 3825, and One T1 link to the 3640.
 
My question regards site #4.  If i understand correctly, GLBP works on the premise of "host" balancing, and not true "load" balancing.  The reason I ask is that the large majority of our WAN traffic is from our Exchange server to our remote sites.  In the case of site #4, our exchange server is sending traffic on the fractional T1.  Is there any way with GLBP to either split this traffic from a particular host across two links in a round-robin fashion, but leave other hosts to travel wherever the router sends them, or, to force at least our exchange server to use the full T1, rather than the fractional?
 
I've read up on the weighting mechanism, and it appears that tracking an interface has nothing to do with bandwidth use.  If I understand correctly, if I were to track the Site #4 PPP to the 3640, and give a weight of 10 to glbp on there, it would really only take affect if the interface is down.  It will have nothing to do with host AVF election.For the record, exchange traffic is constant to this site, so there is no chance for the host connection to reset and potentially elect to use the larger pipe. I would like to "tweak" this to make better use of available bandwidth.

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Cisco Firewall :: 5520 - Firewall Behind Two GLBP Routers

May 29, 2012

I have problem in the configuration of Cisco ASA 5520, IOS version 8.4. The connection is as follows: LAN network--> Firewall --> Routers with GLBP with virtual ip address. the clients can not ping the virtual interface of the GLBP group, but I can ping it from the firewall, and I can ping the clients from the firewall, I checked the packet tracer it gives :
 
Phase: 7
Type: NAT
Subtype:
Result: DROP
Config:
nat (inside10,outside) source dynamic LAN interface
Additional Information:(code)

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Cisco WAN :: Configuring Linksys Router To 851W Router?

Oct 25, 2012

I have a CISCO 851W router in the garage that I want to connect to my Linksys router in the office, which is connected to the internet.The 851W is connected from it's WAN port to Lan port 1 of the Linksys router. Now, currently that ethernet cable is a straight-through cable. Does it have to be crossover? If so, I can fix that.
 
I want the default gateway for the CISCO router to be 192.168.2.1. I am not sure how to configure that. [URL]

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Cisco VPN :: Configuring In 1721 Router?

Nov 19, 2012

configuring VPN in my cisco 1721 router to connect in vpn client
 
I have the public IPs.

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Cisco WAN :: Configuring The 2600 New Router?

Mar 4, 2012

i want to configure the router for internet access for hosts this is the my pub ip x.x.x.174 and mask 255.255.255.252 this is isp given subnetmask internal ip range is x.x.x.20-x.x.x.254

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Cisco WAN :: Configuring Two VLANs On 871 Router

Apr 23, 2013

I use the cisco 871 router as a firewall to my home-office. I have configured two vlans for each seperate port. That is, FE0 configured as VLAN 10  ----> connected to Layer 2 Switch,  FE1 configured as VLAN 20 ----> connected to another Cisco Layer 2 Switch,FE2 not in use, FE3 not in use and FE4 is connected to WAN.I got 100Mbps speed from the ISP, but I can see that I only get 50mbps even connected to VLAN 10 or VLAN 20.Does configuring two VLANs on Cisco 871 router divides the bandwidth (to Internet) into half?

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Cisco WAN :: Configuring 881 Ethernet Sec Router

Jun 22, 2012

I just got Cisco 881 Ethernet Sec Router.
 
i would like to know how to setup this device to achieve the following:
 
1. Connect to my ISP
2. Do NAT on the device
3. Setup  VPN to a remote site

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Cisco WAN :: Configuring 861 Router For Internet?

Apr 5, 2013

I am having a cisco 861 series router.The Cable from the isp was connected to fastethernet4(wan port)
 
Following are my isp details
IP address:172.16.62.130
subnet:255.255.0.0
default gate way:172.16.62.1
dns primary:202.153.32.2
secondary:202.153.32.3
 
How do i configure this details in the router and access the internet in my devices.i want the network to be in 192.168.1.0 to 254.

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Linksys Wireless Router :: Configuring EA2700 As Second-level Router?

Jan 28, 2013

I need to front-end my ISP's router with another, giving me a DMZ.  I have bought an EA2700 for this but I can't find how to configure it. 
 
I plan to have the DMZ network as 10.1.2.0/24, with the ISP's router at 10.1.2.254 and the EA2700's "upstream" connection as 10.1.2.1.  The internal network (where most of the clients reside) will then be 10.1.1.0/24, with the EA2700 itself at 10.1.1.254 and a DHCP range 10.1.1.100 upwards.
 
On the basic setup screen I've set the Internet connection type to fixed IP, 10.1.2.1; I've set its default gateway and DNS1 as the ISP's router at 10.1.2.254.  Then further down in network setup I've entered the *internal* address 10.1.1.254 and set the DHCP range and netmask appropriately.  I'm getting the error message "The IPv4 address and gateway are not in the same subnet mask".  But the only gateway I've entered is the one by which the *EA2700* knows how to route upstream traffic, viz the ISP's router at 10.1.2.254.  Or am I misunderstanding?
 
More fundamentally, can the EA2700 be configured in this way?

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Cisco WAN :: Configuring Interfaces On 2951 Router?

Dec 27, 2011

configuring my Cisco 2951 router. There are three routed interfaces that I need to configure: one for the internal LAN, the second for another private subnet that connects to a Data Centre and the third for the WAN connection. I have configured the Ge0/0 interface as the LAN interface with the internal network 10.17.0.0/24. I have also configured my WAN interface Ge0/1 for internet connectivity. Now, I need to configure the third interface Ge0/2 that will connect to the Data Centre. This will be a private point to point switched ethernet link. The Data Centre will host a secondary domain controlller. So, I want it to be on the same network as the internal LAN, i.e., 10.17.0.0/24. I want to be able to see all other devices that will be located at the Data Centre just like I would see all devices connected to the internal LAN.The problem I am facing is that Cisco 2951 does not allow me to configure two routed interfaces to be on the same subnet. Is there any way to work around this problem and configure both the internal LAN and the Data Centre private network to be on the same subnet.

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Cisco WAN :: Configuring 1801 Router For PPPoE?

Jul 16, 2012

we have cisco 1801 router and want to configure for PPPoE.As our ISP has provided adsl connection having following settings:
 
Encapsulation:  PPPoE
Multiplexing:  LLC based
VPI = 0
VCI = 103
Login =xxxxx
Password =xxxxx
IP:  dynamically from ISP
 
configuring cisco router 1801 for above configuration.                  

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Sep 28, 2011

I'm having trouble configuring a vpn between a CISCO WRV210 and a FortiGate router.

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May 16, 2012

I've created two configurations. One for the router side and one for the AP point side. However, I am having trouble getting the internal AP to bridge to the router properly. It is my understanding that the Wlan-GigabitEthernet is the internal interface connecting to the AP and the BVI1 together. I can't ping any ip address on the router side from the ap and the radio is active and we can see it but it seems that it doesn't give an ip address. [code] Is it a VLan issue or an ip issue but I could use a second opinion. I've included both configurations.

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Cisco Infrastructure :: Configuring NAT On 1921 Router

Jan 31, 2012

We are having problems configuring NAT on our Cisco 1921 Router. Below is the running config. The problem we're having is for example our FTP server 192.168.1.16, cannot be accessed from its outside IP address, which is NATed on the router. The server is verified to be up and running and when we do a show debug ip nat, we see the router is translating outside users attempting to access the ftp server to it's correct internal IP address.

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Cisco WAN :: Configuring 2900 Router For PPPoE?

Sep 6, 2012

I have DSL 8Mbps DL and 768kbps UL The setup look like this:Internet -> Modem -> Cisco Router -> Firewall -> Switch Core - > Multiple switches like sfe2000p? CiscoRouter: i use port gig0/1 for PPPoE and i use port gig0/2 for LAN static Router port gig0/2 with 122.54.144.153/29 connected directly to Firewall port13 with 122.54.144.154/29 ?i want 122.54.144.153/29 will my default gateway ? include no limit bandwidth,filter etc at router, Firewall will be DHCP Server and control the bandwidth, filtering etc and the client computer should get 8Mbps

Mode: Routing
Encapsulation: PPPoE
Username: xx
Password: xx
Service Name: ISP name

[code]....

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Nov 24, 2011

I have configured Cisco 870 router ATM interface with following configuration
 
interface  atm 0
ip address public ip 255.255.255.254
ip nat outside
pvc 0/38
encapsulation aal5snap
no shutdown
 
But when I check ATM interface it is still down and line protocol is down. how to make it up and up so that internet service could be used.Also I want to know that the provider has also given username and password for internet in their device.We want to replace that device with the router and facing problems.

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Oct 10, 2011

I had purchased a HWIC-8A in an effort to provide terminal server capabilities into multiple routers. I had found a document that I thought would take me through the configuration but it doesn't appear that the command syntax is the same on the 2911's as it is in the document. Does any know how I would need to get this configured on the 2911 router?
 
Here is the document I was referencing
 
[URL]

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Configuring Router From A Wireless Connection?

Jan 4, 2012

I know that you shouldn't update router firmware from a wireless connection. The other day, somebody told me that you shouldn't configure a router(such as changing passwords, channels, etc) from a wireless connection. I change my router settings from a wireless connection all the time.

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Mar 30, 2012

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Cisco WAN :: Configuring 1841 Router With WIC-ADSL1 Module?

Aug 16, 2011

I only know a little about programming a CISCO router but I know the config I setup is not working...
 
Here is what I want to do...
 
The ISP provides us with IP Addresses via DHCP. Our public address is NOT static so the interface on the DSL Module needs to be provisioned to get a DHCP address with a CLASS C License.The IP address of the Router should be 10.0.0.10 subnet=255.255.255.0The LAN Clients need receive their IP address via DHCP EXCEPT for a range of 100 addresses. The lan Clients only need about 40 DHCP addresses.ONE of the Lan Clients (10.0.0.3) needs to have ports 25, 1723, and others forwarded to it. 
 
Below is the config I am trying to use but I can't even ping the router from the LAN.

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Cisco VPN :: Configuring Multiple VPN Tunnels On 1721 Router

Jan 10, 2012

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Cisco WAN :: Configuring Remote Access IPSEC VPN In IOS Router 12.4T

Apr 20, 2011

I am configuring Remote Access IPSEC VPN in IOS Router 12.4T.I am able to establish IPSEC VPN from VPN Client 4.0. But I am able to access all the LAN machines from this client connected.I want to restrict access to only one server in my LAN rather than accessing all the servers in Datacenter.For example
 
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