03-07-2011 03:42 AM - edited 03-04-2019 11:39 AM
Organization:
2 locations
MetroE connected
1 subnet (10.0.0.x)
All Static IPs
Location A (main office)
Adtran connected Cisco (10.0.0.235) to location B
Comcast internet Connected to Sonicwall Router (10.0.0.249)
Sonicwall (X0 Subnet1, X1 Comcast WAN, X2 Subnet 2, X3 Backup Internet WAN)
3 Cisco 2950s, 1 Cisco 2960
Cisco 2960 connect as a trunk to a 2950. All switches have 2 VLANS configured.
Location B (Branch)
Adtran Connected Cisco (10.0.0.236) to location A
Comcast Internet Connect 3COM (10.0.0.253)
1 Cisco 2950 and a few Misc brands
After talking to the MetroE people, they said I can split off to another subnet by either configuring the Adtrans with different IPs and create routing or use VLANS on the Ciscos.
This morning I configured "router on a stick" on the Cisco in locaiton A. Everything works great! Subnet B can see Subnet A and vice-versa. But, I still cannot see anyone on location B. I configured the Cisco in Location B with "router on a stick" as well. Location B is 100 miles away. I am using a remote PC connected VIA console cable to the Cisco router. So if the link between the locations is broke, I can still access that router.
Once I configured Location B, no one in location B could see that Cisco. See my configs below. The only thing I could think was that the ethernet port for the Cisco in Location B in connected to a switch that does not have the second VLAN setup or did not automatically switch to a trunk. Be that as it may, I will be traveling to that office on Tuesday to check my physical configuration.
Having done the router on a stick on both routers, does it look like I am on the right track? In my mind, once I get location B worked out, I should have 2 subnets I can use. Does this seem right?
Location A:
1: | ! |
Location B:
1: | interface FastEthernet0 |
03-07-2011 12:36 PM
Did you create a bridged interface?? Interface BVI1 additionally, you wouldn't not put IP Addresses on the interfaces that you are bridging.
this will be required for bridging over the link, though I'm not really sure that's exactly what you want to do to accomplish your goal.
You stated that you are using a Metro-E connection, that should be a L2 Ethernet link not a T1 interface (unless I'm mis-taken totally possible). If this is a Metro-E link, you should be able to trunk over the link rather than bridge.
Otherwise, if this is a T1 link why not just route over the link instead.
03-08-2011 04:58 AM
My mistake. It is a MetroE link
03-09-2011 08:09 AM
In each location:
Create a new VLAN on the switches in each location..Uplink this VLAN to the router (doing the router on a stick like you have already done). Then assign it a /30 IP Address.
Terminate the Metro-E link on the switch and assign it to the new VLAN that you created.
Then use routing to get between the locations.
Does this work for you??
03-11-2011 03:38 AM
AH ok! I understand what you are saying! I will try this and report back.
03-11-2011 06:25 AM
Yea.. Let me know how that works..
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide