Failover Default Routes

Hi Experts,
My first post, so go easy on me....

Brief Background info; I have 2 sites:-
1. Production
2. DR/Backup

-We have seperate internet feeds to both sites.
-Failover of services (Market Data, AD, SQL) Clustering (Exchange, Data etc.)
-The network has been spanned 10.100.0.0/16 given MS2003 clustering requires the same network addressing to work correctly (According to the MS specialist here).
-Production site I am running 2 x c3560G and I have implemented HSRP on particular VLANS
for localised redundancy.
-DR site currently 1 c3560g with required VLANS and routes setup(VPN traffic via Firewall only) - routing and VLANs required here for DR purposes - i.e. if the PROD site gets blown up!
-10mb LES link Site2Site - Required VLANS trunked across (dot1q)
-All works as it should

However, I need to weight the default routes out to the internet; thus in the event that we loose Internet connectivity at PROD, the secondary default route will take over and route traffic via the DR Internet link.

I have tried to set up the following, after some reading on EE and Cisco

0.0.0.0 0.0.0.0 10.100.150.50
0.0.0.0 0.0.0.0 10.100.150.30 50

I 'pulled the plug' on the internet feed at PROD, however the 2nd route never took over.

I tested this further by removing the first default route on the Core and pointed to 10.100.150.30
only...i could browse the inetrnet no problem.

Any advice would be much appreciated guys - and I hope this all makes sense!!

Cheers
HullabeanoAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

memo_tntCommented:
hi
keep the 1st route as it's but
the 2nd must be like this

ip route 0.0.0.0 0.0.0.0 (WAN.interface) 10.100.150.30 50
0
HullabeanoAuthor Commented:
Hi,
 
Thanks for answer.
So, to be sure as the Cores are C3560G switches; I would add the following:-
ip route 0.0.0.0 0.0.0.0 gi 0/XX 10.100.150.30 50
 
Thx
0
bsohn417Commented:
above is only true if the directly connected interface fails. Which is hardly the case. Failer is WAN links and you should track WAN link to choose path.

you should look in to IP SLA Echo,

This is good way to track the path, if path fails than it will auto take the 2nd route.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
Become an IT Security Management Expert

In today’s fast-paced, digitally transformed world of business, the need to protect network data and ensure cloud privacy has never been greater. With a B.S. in Network Operations and Security, you can get the credentials it takes to become an IT security management expert.

HullabeanoAuthor Commented:
IP SLA looks to be very useful, but I can't run it on my 3560's
#sh ver
WS-C3560G-24TS     12.2(35)SE5             C3560-IPBASE-M
0
memo_tntCommented:
is it solved here ??
0
HullabeanoAuthor Commented:
Nope..
Sorry for slow response, as I work for a Stockbroker staff are here between 06:30 and 20:00 daily, so the weekend is my test window!
I tried your suggestion with WAN.Link in a number of different ways; however, I receive the following:- %Must specify a L3 port as the next hop interface
As my site to site connection is a Trunk on a switch port gi 0/20...i need to find another way to fail that route to the Disaster Recovery site Internet Gateway. Perhaps HSRP with Standby timers.
IP SLA would be useful although it isn't supported on the version of IOS we are running, and as we don't have the SmartNET contracts ready yet I cannot upgrade!
Any other suggestions in the meantime would be greatlfully received :-)
 
Thanks
 
 
 
0
memo_tntCommented:
plz send you current config.. remove password,,
0
HullabeanoAuthor Commented:
See config for Core SCM-SW02...
SCM-SW01 the same with Standby Timers and HRSP addresses configured for correct failover
Routing

Gateway of last resort is 10.100.150.50 to network 0.0.0.0
     69.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
S       69.191.192.0/18 [1/0] via 10.100.60.12
S       69.184.0.0/16 [1/0] via 10.100.60.12
S    206.156.53.0/24 [1/0] via 10.100.60.12
S    205.216.112.0/24 [1/0] via 10.100.60.12
S    208.22.56.0/24 [1/0] via 10.100.60.12
S    208.134.161.0/24 [1/0] via 10.100.60.12
     208.184.40.0/32 is subnetted, 1 subnets
S       208.184.40.10 [1/0] via 10.100.150.50
S    208.22.57.0/24 [1/0] via 10.100.60.12
S    205.183.246.0/24 [1/0] via 10.100.60.12
     160.43.0.0/24 is subnetted, 1 subnets
S       160.43.250.0 [1/0] via 10.100.60.12
     10.0.0.0/8 is variably subnetted, 13 subnets, 3 masks
S       10.34.50.11/32 [1/0] via 10.100.150.50
S       10.22.5.0/24 [1/0] via 10.100.61.5
S       10.22.6.0/24 [1/0] via 10.100.61.6
C       10.100.40.0/24 is directly connected, Vlan40
C       10.100.60.0/24 is directly connected, Vlan60
C       10.100.61.0/29 is directly connected, Vlan61
C       10.100.50.0/24 is directly connected, Vlan50
C       10.100.10.0/24 is directly connected, Vlan10
C       10.100.11.0/24 is directly connected, Vlan11
C       10.100.30.0/24 is directly connected, Vlan30
C       10.100.20.0/24 is directly connected, Vlan20
C       10.100.21.0/24 is directly connected, Vlan21
C       10.100.150.0/24 is directly connected, Vlan500
S*   0.0.0.0/0 [1/0] via 10.100.150.50
S    199.105.176.0/21 [1/0] via 10.100.60.12
S    199.105.184.0/23 [1/0] via 10.100.60.12
 
 

SCM-SW02-update.doc
0
HullabeanoAuthor Commented:
unsolved
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Routers

From novice to tech pro — start learning today.