My client was using IBM router at remote and connecting to IBM router at HQ with WAN line speed of 64kbps. Running OSPF. The application is running on SNA protocol.Remote branch will access the "HOST - Mainframe" at HQ.
After the migration to Cisco routers the customer complain the accessing to the "HOST' became slower.
Iniatially when on IBM platform the network design was very straight forward. The remote branch directly connected to Frame-relay cloud to HQ with on PVC.
Now there is 2 units of 7206 Cisco routers at HQ for redundancy purpose.
Branch remain with frame-relay 64 kbps but using 2 logical sub interface with different PVC to connect to the 2 units of 7206 routers at HQ.
Since running on OSPF routing protocol, IP packets can loadbalance via the both PVC but how about the SNA protocol?
Will there be any issue on the amount of bandwidth being use for SNA application after the migration since the remote branch will only connect to one of the router at one point of time using DLSW to access the HOST.
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