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13.3.1.3.1. Signaling Flow Survivability for “Networked“ Access Points Previous topic Parent topic Child topic Next topic

Figure 229. Survivability router configuration

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The following process must be taken into consideration when configuring the survivability router.
Normal operation (without survivability):
  1. CC-A generates packet at AP 98 with destination 192.168.23.98 and source 192.168.1.1 and transfers it to the Ra router (192.168.1.254).
    This may send the packet via another router to Rx which delivers the packet to AP 98.
    Survivability:
    CC-A generates packet at AP 98 with destination 192.168.23.98 and source 192.168.1.1 and transfers it to the router R1 under 192.168.1.101.
    IMPORTANT:
    The complete IP frame, including addresses, remains identical to the frame in normal operation. With survivability, only the accessed router changes (in the OpenScape 4000 LAN segment). This change takes the form of a different destination address at Ethernet level (MAC-DA). The IP address of Router R1 in the OpenScape 4000 LAN segment is not accessed visibly. It is needed to determine the MAC address of the router port with ARP.
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