Adding static routes to a few stations

2007-12-25 11:45:00

Well Nobody came with a better idea than i had so here's my solution.

thanks to those who replied and if you have any comments please do ....

the question was : how can i create static rotes on multiple hosts from a

central place ?

answer: use nis map file

1.create the map file in the nis directory (/var/yp/etc ? )

2.modify the makefile to compile and push the new map

3.modify the nicnames map in /var/yp

4.add a rc script to each station

Details

--------

1.create nis map file called static-route

it should have to entries per line seperated by tab

#network gateway

192.168.0.0 192.168.0.1

2.add the folowing lines to the makefile in /var/yp ( make baclup first !!!)

static-route:static-route.time

static-route.time: $(DIR)/static-route

@(awk 'BEGIN { OFS="\t"; } $$1 !~ /^#/ { print $$1, $$0 }'

$(DIR)/static-route)| \

$(MAKEDBM) - $(YPDBDIR)/$(DOM)/static-route.byname;

@touch static-route.time;

@echo "updated static-route";

@if [ ! $(NOPUSH) ];then $(YPPUSH) -d $(DOM) static-route.byname ;fi

@if [ ! $(NOPUSH) ];then echo "pushed static-routes" ;fi

3.change the nickname map on nis server

edit /var/yp/nicknames and add the following line

static-route static-route.byname

4.add a script to each station so that it will add the static routes on

startup

/etc/rc3.d/S30static-routes

#! /bin/sh

######################################################

#add static routes to host using nis distributed file

######################################################

echo "Adding Static Routes "

for net in `ypcat static-route.byname |awk '{print $1}` ;do

gw=`ypcat static-route.byname |grep -w $net |awk '{print $2}`

route add net $net $gw

echo "Network $net and Gatewat $gw were added"

done

Regards ,

Moti Levy

Unix Admin

mlevy@lannet.com

03-6457551

054-929319

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Adding static routes to a few stations

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