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--- network_stuff:arista:arista [2025/08/03 11:56] – jotasandoku
+++ network_stuff:arista:arista [2025/10/04 20:42] (current) – [decoding the model code] jotasandoku
@@ Line 63: / Line 63: @@
     * R3 - third hardware generation
-  * **RCM** in the docs is not a port at all. It’s the *Regulatory Compliance Mark* used in Australia and New Zealand to show the kit meets local safety and EMC rules.  :contentReference[oaicite:8]{index=8}
+----
----
@@ Line 280: / Line 278: @@
 === LAYER 1 SWITCHING ===
 [[https://chatgpt.com/s/dr_68270c44fb0c81919fd19c5ff7fbc074|External Link]]
+----
+=== configuration replace ===
+  scp new.cfg admin@SW1:/mnt/flash/new.cfg    ! scp the new config to the switch
+  ! ssh to the switch
+  dir flash:    ! check new.cfg is there
+  copy running-config flash:prechange.cfg    ! make a checkpoint (golden backup of current running)
+  wr
+  reload in 10    ! failsafe
+  configure replace flash:new.cfg    ! do the config replace
+  !
+  ! wait until 9 mins to be sure not locked out due to routing reconverging down thee line!
+  reload cancel    ! if all looks good, cancel the reload
+  ! configure replace flash:prechange.cfg     !  only if you need to roll back, restore the checkpoint

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