we've a headqurater with two 3845-routers and about 15 satellites with 1800-/ 1900 router, wich are connected over site-2-site tunnels (GRE+IPSEC
) with OSPF as routing-protocol. The headquarter has 2x 100Mbit WAN-connection. The bandwith at the satellites was increasing - it differs from 2 - 30Mbit. And now the 3845-ers are reaching their capacity-border an falling into cpu-outage. We want them replace with 4431-er or 1001x ASR's.
Which is the max. throughput (GRE over IPSEC) of the 4431-ers versus the 1001x?
My actual max throughput is 200Mbit - but I have to estimate that its raising upto 1Gbit.
An other possibility is to discard the dynamic routing and take an ASA(no GRE ?!) and use static routes. Which ASA-model would be suitable for this task: 200Mbit .. up to 1Gbit encrypted traffic ( AES - or GCM)?
