Witaj Julian, W Twoim liście datowanym 10 stycznia 2004 (11:41:34) można przeczytać: JA> Hello, JA> On Sat, 10 Jan 2004, Tushar Thakker wrote: >> hi all, >> i am setting up a load balancing netwrok with failover, >> i have applied julian patch, >> but whenever i try to traceroute from any client node, it gives >> me two entries for that destination, but i get different interface >> for that entries, >> so it doesn't forward my requests, >> i have done masquerading for client nodes, >> >> the ip rule/route are as follows, >> >> ip rule add prio 222 table 222 >> ip route add default table 222 proto static \ >> nexthop via $GWE1 dev $IFE1 weight 1\ >> nexthop via $GWE2 dev $IFE2 weight 1 >> >> Now after traceroute failure, if i see the routing cache for that ip, it shows following, JA> output route, probably created from -j MASQUERADE?: >> 205.158.62.141 via 203.88.135.213 dev eth1 src 203.88.135.212 >> cache mtu 1500 advmss 1460 JA> input route: >> 205.158.62.141 from 192.168.1.51 via 203.88.135.205 dev eth2 src 192.168.1.242 >> cache <src-direct> mtu 1500 advmss 1460 iif eth0 >> >> please see eth1 and eth2 in both entries, JA> Nothing strange so far, may be they are created from different JA> connections. In fact, there should be more cache entries. >> now it does not forward this request, JA> Can you provide more information, in private mail if you JA> prefer so, including: JA> - tcpdump output(s) for all interfaces during the traceroute JA> - topology: are eth1 and eth2 connected to same hub? JA> - ip rules and routes JA> I hope you really have the "routes" patch applied and JA> running. >> what can be the reason behind this and please can anyone suggest me the solution, >> thanx in advance, >> Regards, >> >> ---------------------------------------------------------------- >> Tushar Thakker >> Elitecore Technologies Ltd. JA> Regards JA> -- JA> Julian Anastasov <ja@xxxxxx> JA> _______________________________________________ JA> LARTC mailing list / LARTC@xxxxxxxxxxxxxxx JA> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ try this, after applying routes patch it works fine (for me it works when I upgraded it to 3 uplinks): ---------------------------cut here------------------------------------------ #!/bin/bash # This script is done by : Robert Kurjata Sep, 2003. # feel free to use it in any usefull way # CONFIGURATION IP=/sbin/ip PING=/bin/ping #--------------- LINK PART ----------------- # EXTIFn - interface name # EXTIPn - outgoing IP # EXTMn - netmask length (bits) # EXTGWn - outgoing gateway #------------------------------------------- # LINK 1 EXTIF1=eth2 EXTIP1= EXTM1= EXTGW1= # LINK 2 EXTIF2=eth1 EXTIP2= EXTM2= EXTGW2= #ROUTING PART # removing old rules and routes echo "removing old rules" ${IP} rule del prio 50 table main ${IP} rule del prio 201 from ${EXTIP1}/${EXTM1} table 201 ${IP} rule del prio 202 from ${EXTIP2}/${EXTM2} table 202 ${IP} rule del prio 221 table 221 echo "flushing tables" ${IP} route flush table 201 ${IP} route flush table 202 ${IP} route flush table 221 echo "removing tables" ${IP} route del table 201 ${IP} route del table 202 ${IP} route del table 221 # setting new rules echo "Setting new routing rules" # main table w/o default gateway here ${IP} rule add prio 50 table main ${IP} route del default table main # identified routes here ${IP} rule add prio 201 from ${EXTIP1}/${EXTM1} table 201 ${IP} rule add prio 202 from ${EXTIP2}/${EXTM2} table 202 ${IP} route add default via ${EXTGW1} dev ${EXTIF1} src ${EXTIP1} proto static table 201 ${IP} route append prohibit default table 201 metric 1 proto static ${IP} route add default via ${EXTGW2} dev ${EXTIF2} src ${EXTIP2} proto static table 202 ${IP} route append prohibit default table 202 metric 1 proto static # mutipath ${IP} rule add prio 221 table 221 ${IP} route add default table 221 proto static \ nexthop via ${EXTGW1} dev ${EXTIF1} weight 2\ nexthop via ${EXTGW2} dev ${EXTIF2} weight 3 ${IP} route flush cache while : ; do ${PING} -c 1 ${EXTGW1} ${PING} -c 1 ${EXTGW2} sleep 60 done ---------------------------cut here------------------------------------------ -- Pozdrowienia, Robert _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
