Hi all,
A section of my lab:
I'm on the windows server, trying to get it to connect to the internet via the routers (R1) g0/0 interface. i give it the IP of 10.1.50.5/24 and i send a ping to 10.1.1.1. In my wireshark captures, i can see the packet is going all the way to R1, but also that R1 chooses to send the ICMP reply out it's g0/2 interface. In fact, i can see that traffic to all my VLANs are preferred out of the g0/2 interface. How do i make it send traffic specifically for vlans 10, 20 and 50 out it's g0/1 interface?
R1 has learned routes to all the SVI's via OSPF. I have created SVI's on both Core1 (10.1.XX.1) and Core2 (10.1.XX.2) but for some reason R1 prefers Core2 for all SVI routes. R1's route table:
I have tried creating a new route to 10.1.50.0/24 via g0/2 with a higher AD, but of course that doesn't work, when it already has a better route. I thought about creating another route out of it's g0/1 interface with a lower AD, but that would just result in it sending all traffic out of it's g0/1 interface. The same with OSPF cost.
I hope someone can point me in the correct direction.
Accepted Solutions
- last edited on by
Translator
because you have not read my reply before I posted :
10.1.50.0 is behind CORE1 only, it needs to learn from CORE1 only since that is the only path here.
if you looking to build that topology. below marked
Core1 - G 2/3 - convert in to Layer 2 trunk
SRVACC1 - g0/0 covert in to layer 2 trunk
SRVACC1 - g0/1 - make access port vlan 50 (make sure vlan 50 created)
CORE1
config t
interface vlan50
no shutdown
!
CORE2
!
no interface vlan50
shutdown
!
Test :
from Server 10.1.50.5 gateway 10.1.50.1
ping 10.1.50.1 - if that works, then 10.1.1.1 should work as expected
still issue post new show from all device to review.
The cores run GLBP. Here is a snippet of how the SVI's are configured (this is from Core 2):
- last edited on by
Translator
can you post
show ip route
from CORE 1 and CORE2 (along with config) how is your OSPF point to point ?
10.1.50.0 is behind CORE1 only, it needs to learn from CORE1 only since that is the only path here.
simple lab :
Hello,
Config is long but attached. Same file for both core switches, so look for sections.
Core 1 route table:
Core 2 route table:
Yes, as per the original post, i have issues with a windows server sending ICMP echo requests from 10.1.50.4 to 10.1.1.1 (R1 G0/1) via switch SRVACC1, but the ICMP echo replies are sent out of R1 G0/2. I'm trying to understand why and what went wrong.
Will OSPF also find default gateway by itself?
I'm not looking to set up HSRP, i'm using GLBP. Picture attached of whole topology.
If i can provide any other information, please tell me. Thank you for your time.
