Hi,
I was hoping someone can help me with the following issue.
I currently have a 7301 acting as my BRAS running on 12.2(33)SRD3. I use
the ISG feature to terminate PPPoE sessions on QinQ subinterfaces.
The virtual templates associated with the bba groups use ip unnumbered
loopback 0.
The IP on loopback 0 is x.x.96.1/21
DHCP is configured for client IP address assignment using DHCP pools as
relay agents to a central DHCP server.
ip dhcp pool DHCP
relay source x.x.96.0 255.255.248.0
class DHCP
relay target x.x.111.5
I would now like to install a second 7301 for load balancing/redundancy.
I currently trunk the QinQ vlans to the existing 7301 so I just do the
same for the second 7301.
On the second 7301 I assign a new /21 network for DHCP assignment.
This works fine for dynamic IP assignment.
My problem is that we have multiple customers with static IP address
assignment from the DHCP server.
How can I assign the same IP address to a certain client session if they
login to either BRAS when each BRAS has a unique network associated with
the loopback 0 interface.
I was thinking mobile IP but I have not tested in the lab and not sure
if it is a supported solution.
Anthony
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