tools/multiple-bgpd.sh

   1 #!/bin/bash
   2
   3 # Public domain, not copyrighted..
   4
   5 NUM=5
   6 VTYBASE=2610
   7 ASBASE=64560
   8 BGPD=/path/to/bgpd
   9 PREFIX=192.168.145
  10 CONFBASE=/tmp
  11 PIDBASE=/var/run/quagga
  12
  13 for H in `seq 1 ${NUM}` ; do
  14         CONF="${CONFBASE}"/bgpd${H}.conf
  15         ADDR=${PREFIX}.${H}
  16
  17         if [ ! -e "$CONF" ] ; then
  18                 # This sets up a ring of bgpd peerings
  19                 NEXT=$(( ($H % ${NUM}) + 1 ))
  20                 PREV=$(( (($H + 3) % ${NUM}) + 1 ))
  21                 NEXTADDR="${PREFIX}.${NEXT}"
  22                 NEXTAS=$((${ASBASE} + $NEXT))
  23                 PREVADDR="${PREFIX}.${PREV}"
  24                 PREVAS=$((${ASBASE} + $PREV))
  25
  26                 # Edit config to suit.
  27                 cat > "$CONF" <<- EOF
  28                         password whatever
  29                         service advanced-vty
  30                         !
  31                         router bgp $((64560+${H}))
  32                          bgp router-id ${ADDR}
  33                          network 10.${H}.1.0/24 pathlimit 1
  34                          network 10.${H}.2.0/24 pathlimit 2
  35                          network 10.${H}.3.0/24 pathlimit 3
  36                          neighbor default peer-group
  37                          neighbor default update-source ${ADDR}
  38                          neighbor default capability orf prefix-list both
  39                          neighbor default soft-reconfiguration inbound
  40                          neighbor ${NEXTADDR} remote-as ${NEXTAS}
  41                          neighbor ${NEXTADDR} peer-group default
  42                          neighbor ${PREVADDR} remote-as ${PREVAS}
  43                          neighbor ${PREVADDR} peer-group default
  44                 EOF
  45                 chown quagga:quagga "$CONF"
  46         fi
  47         # You may want to automatically add configure a local address
  48         # on a loop interface.
  49         #
  50         # Solaris: ifconfig vni${H} plumb ${ADDR}/32 up
  51         # Linux:   ip address add ${ADDR}/32 dev lo 2> /dev/null
  52         ${BGPD} -i "${PIDBASE}"/bgpd${H}.pid \
  53                 -l ${ADDR} \
  54                 -f "${CONF}" \
  55                 -P $((${VTYBASE}+${H})) \
  56                 -d
  57 done