Foundry NetIron MLX Series Installation and Basic Configuration Guide
7-30
© 2008 Foundry Networks, Inc.
December 2008
Figure 7.1 Management Module (MP) and Interface Module (LP) Hitless Upgrade Process
hitless-reload
command
performed at console
Reset Standby MP
MP Sync Done
SW info
request/acknowledge
Reset
Switchover
MP Sync Done
LP SW info reset
LP module up
LP module L2, L3, L4 done?
LP module L2, L3, L4
done response
Reset
Reset
Reset
Original
Active
MP
New
Active
MP
LPs