Chris Lee wrote:
As I don't know how to config CISCO, I use Getif to peek the config via SNMP.
For Interface, it show:
descr. ip address Ethernet0 10.0.108.254/255.255.255.0 203.198.77.78/255.255.240
Ethernet1 172.23.76.154/255.255.255.252
Tunnel5 192.168.79.94/255.255.255.252
I think Ehternet1 is the WAN IP address?? And don't know what is Tunnel5?
Woopsie. Tunnel5 is your default gateway interface. It's either an IPSec or PPTP tunnel from your location back you your ISP, and that means a couple of things:
1. Your ISP is likely to get grouchy if they don't own the system connecting to them via the tunnel;
2. You'll need the information your ISP is using to form the tunnel, obtainable probably from the ISP only, especially if you're not familiar with configuring a Cisco.
First I want leaf to peform normat NAT router for range of internet ip address Then, I want to setup SNMP to collect networking perform per ip Finally, setup QOS for each ip.
It is possible?
It is, but is there any reason that it HAS to replace the Cisco? LEAF would work quite well sitting right behind the Cisco, and while it might be a bit redundant, at least you wouldn't have to worry about your ISP wanting access to your firewall - something nearly guaranteed to mess it up.
You might get lucky and have a good ISP who would be willing to work with you on the subject, so it can't hurt to ask them - you'd need to get all the tunnel info anyhow - but from personal experience, most commercial internet companies are really leery of letting their customers control whatever the inbound side of the line is connected to, simply because it makes their lives far harder.
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