* multiple-bgpd.sh: Configure mpath to test it. Add links to the ±2 instances
in the ring to get a bit more multi-pathing (otherwise, only mpath to
the furthest neighbour IF there's an even number of instances).
---
tools/multiple-bgpd.sh | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/tools/multiple-bgpd.sh b/tools/multiple-bgpd.sh
index 20a92a9..f6edae9 100644
--- a/tools/multiple-bgpd.sh
+++ b/tools/multiple-bgpd.sh
@@ -2,7 +2,7 @@
# Public domain, not copyrighted..
-NUM=5
+NUM=8
VTYBASE=2610
ASBASE=64560
BGPD=/path/to/bgpd
@@ -21,10 +21,16 @@ for H in `seq 1 ${NUM}` ; do
# This sets up a ring of bgpd peerings
NEXT=$(( ($H % ${NUM}) + 1 ))
PREV=$(( (($H + $NUM - 2) % ${NUM}) + 1 ))
+ NEXT2=$(( (($H+1) % ${NUM}) + 1 ))
+ PREV2=$(( (($H + $NUM - 3) % ${NUM}) + 1 ))
NEXTADDR="${PREFIX}${NEXT}"
NEXTAS=$((${ASBASE} + $NEXT))
PREVADDR="${PREFIX}${PREV}"
PREVAS=$((${ASBASE} + $PREV))
+ NEXT2ADDR="${PREFIX}${NEXT2}"
+ NEXT2AS=$((${ASBASE} + $NEXT2))
+ PREV2ADDR="${PREFIX}${PREV2}"
+ PREV2AS=$((${ASBASE} + $PREV2))
ASN=$((64560+${H}))
# Edit config to suit.
@@ -34,9 +40,12 @@ for H in `seq 1 ${NUM}` ; do
!
router bgp ${ASN}
bgp router-id ${ADDR}
+ maximum-paths 32
+ bgp bestpath as-path multipath-relax
network 10.${H}.1.0/24 pathlimit 1
network 10.${H}.2.0/24 pathlimit 2
network 10.${H}.3.0/24 pathlimit 3
+ network 10.${H}.0.0/24
neighbor default peer-group
neighbor default update-source ${ADDR}
neighbor default capability orf prefix-list both
@@ -46,6 +55,10 @@ for H in `seq 1 ${NUM}` ; do
neighbor ${NEXTADDR} peer-group default
neighbor ${PREVADDR} remote-as ${PREVAS}
neighbor ${PREVADDR} peer-group default
+ neighbor ${NEXT2ADDR} remote-as ${NEXT2AS}
+ neighbor ${NEXT2ADDR} peer-group default
+ neighbor ${PREV2ADDR} remote-as ${PREV2AS}
+ neighbor ${PREV2ADDR} peer-group default
!
address-family ipv6
network 3ffe:${H}::/48
@@ -58,6 +71,8 @@ for H in `seq 1 ${NUM}` ; do
neighbor default route-map test out
neighbor ${NEXTADDR} peer-group default
neighbor ${PREVADDR} peer-group default
+ neighbor ${NEXT2ADDR} peer-group default
+ neighbor ${PREV2ADDR} peer-group default
exit-address-family
!
! bgpd still has problems with extcommunity rt/soo
@@ -65,7 +80,9 @@ for H in `seq 1 ${NUM}` ; do
set extcommunity rt ${ASN}:1
set extcommunity soo ${ASN}:2
set community ${ASN}:1
+ !
line vty
+ exec-timeout 0 0
!
end
EOF
--
2.5.5
_______________________________________________
Quagga-dev mailing list
[email protected]
https://lists.quagga.net/mailman/listinfo/quagga-dev
