Cisco WS-C2950-24 - Accelerating Aging to Retain Connectivity; Configuring STP and UplinkFast in a Cascaded Cluster

5-10
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Locating Internal Modules
Figure 5-5 Module Locations in Cisco 2921 and Cisco 2951 Router
1 PVDM3 0 2 PVDM3 1
3 PVDM3 2 4 DIMM 0 socket
(Cisco 2921 has only 1 (one) DIMM0 socket)
5 DIMM 1 (2951 only) 6 ISM
250953
1
6
2 3 54