Commit 345d9ff0 authored by Robert Ricci's avatar Robert Ricci

Add instructions about how to setup switches to use NTP

parent 26ea5792
#
# EMULAB-COPYRIGHT
# Copyright (c) 2002-2005 University of Utah and the Flux Group.
# Copyright (c) 2002-2006 University of Utah and the Flux Group.
# All rights reserved.
#
......@@ -109,6 +109,37 @@ What I finally did to resolve this was to tear down the trunk link and
EtherChannel that port was a part of, run the command on it (which succeeded
this time), and then build the EtherChannel and trunk back up.
##### Setting the clock
Since bos is an NTP server, you should set your switches to sync time with it.
On CatOS, this is accomplised with:
set ntp server 10.11.12.1
set ntp timezone MST -7
set ntp summertime MDT
set ntp summertime enable
set ntp summertime recurring
set ntp client enable
show time
Of course, you'll need to replace 10.11.12.1 with the IP address your boss node
uses to talk to the switches (usually its control-hardware interface), and
'MST', -7, and 'MDT' with the names of your timezone and its offset from GMT.
If you don't use daylight-savings time, leave out the 'summertime' steps, and
instead do:
set ntp summertime enable
Watch the output of 'show time' for a while to make sure the clock syncs up.
It may take a few minutes.
On IOS, these commands are:
configure terminal
ntp server 10.11.12.1
clock timezone MST -7
clock summer-time MDT recurring
exit
... and to see the current time, run 'show clock'
##### IOS commands
The above commands are given under the assummption that your switches are
......@@ -156,7 +187,8 @@ no vlan 1000
To put an interface into a VLAN:
interface gi0/1
access 10
switchport access vlan 10
exit
In order to turn on trunking for an interface:
interface gi0/1
......
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