01-29-2011 09:27 PM - edited 03-04-2019 11:15 AM
Hello All
one of our client has cisco 861 router and they have two internet connections from two different ISPs can we use them together as load balancing and as redundancy,
As ciso 861 router has only one WAN port, Any one of you have any idea, how we can do that ?????/
Thanks in Advance
01-30-2011 09:47 AM
Which type of physical connections your customer wants to use ?
01-30-2011 08:48 PM
according to the Data sheet these routers support hsrp:
http://www.cisco.com/en/US/partner/prod/collateral/routers/ps380/data_sheet_c78_461543.html
so you would need 2 routers, one to each ISP, configure HSRP between the two routers , and track the DSL interfaces so if one goes down the other takes over.
01-30-2011 10:50 PM
HI Dear
its a small customer and they dont want to buy a second router, they have one ADSL modem and one Cable modem, form router prospective both are ethernet connections
and i was just thingking that i can connect one of the modem with WAN port in normal way and
add a default route towards WAN interface
ip route 0.0.0.0 0.0.0.0 int fas 4
in that case it has metric 0
and add second modem on the LAN right now my LAN subnet is 192.168.1.0/24 i was just thinking i i will assign the LAN interface of one modem a IP in same subnet e.g 192.168.1.254
and will add another ip route
e.g
ip route 0.0.0.0 0.0.0.0 192.168.1.254
so metric for this route will be 1 by default
I did this same think on one another location with same router but in that case i just only routed trafic for one destination IP addresss through second ADSL modem
e.g
4.2.2.2 255.255.255.255 192.168.1.254
And i think it will work too but it will only give redundancy no Load balancing, any one have any idea
01-31-2011 04:24 AM
Had you searched before asking, you would have found:
http://www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_example09186a0080950834.shtml
Anyway, you need a router with multiple connections, evene better one with embedded ADSL.
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