[Xorp-users] Multicast over GRE tunnel between Cisco and Ubuntu 11.10
Thiago Anderson
thiago at g3informatica.com.br
Tue Jan 10 05:56:11 PST 2012
Cisco Linux
10.244.0.1/32 -------------------[ipsec]----------------------
10.244.249.117
10.244.229.221/30 ---------------[ gre ] ---------------------
10.244.229.222/30
10.244.0.0/24 ------------------------------------------------------
10.245.6.240/28
I have a tunnel as above, where gw ipsec - gw and a gre to pass multicast
and unicast.
Unicast is ok, and works through the normal conecoes tcp / ping.
I'm trying to configure the XORP to be able to forward multicast but still
unable to deliver the join the group through the GRE tunnel.
Below is the configuration of the XORP:
**** My home network is on eth2 and gre tunnel is named Bovespa ****
rtrmgr {
config-directory: "/etc/xorp"
}
interfaces {
interface eth2 {
description: "upstream interface"
disable:false
default-system-config
vif eth2 {
address 10.245.6.241 {
prefix-length:28
multicast-capable: true
}
}
}
interface bovespa {
description: "downstream interface"
disable: false
default-system-config
vif bovespa {
address 10.245.6.222 {
prefix-length:30
multicast-capable: true
}
}
}
}
plumbing {
mfea4 {
disable: false
interface eth2 {
vif eth2 {
disable: false
}
}
interface bovespa {
vif bovespa {
disable: false
}
}
interface register_vif {
vif register_vif {
/* Note: this vif should be always enabled */
disable: false
}
}
traceoptions {
flag all {
disable: false
}
}
}
}
protocols {
igmp {
disable: false
interface eth2 {
vif eth2 {
disable: false
}
}
interface bovespa {
vif bovespa {
disable: false
}
}
traceoptions {
flag all {
disable: false
}
}
}
pimsm4 {
disable: false
interface eth2 {
vif eth2 {
disable: false
}
}
interface bovespa {
vif bovespa {
disable: false
}
}
interface register_vif {
vif register_vif {
/* Note: this vif should be always enabled */
disable: false
}
}
static-rps {
rp 10.244.0.10 {
group-prefix 233.111.180.96/27 {
/* rp-priority: 192 */
}
group-prefix 233.111.180.128/27 {
/* rp-priority: 192 */
}
}
}
bootstrap {
disable: false
cand-bsr {
scope-zone 233.111.180.96/27 {
cand-bsr-by-vif-name: "bovespa"
bsr-priority: 1
hash-mask-len: 30
}
}
cand-rp {
group-prefix 233.111.180.96/27 {
cand-rp-by-vif-name: "bovespa"
rp-priority: 192
rp-holdtime: 150
}
}
}
traceoptions {
flag all {
disable: false
}
}
}
fib2mrib {
disable: false
}
}
**********************
root at gw> show pim neighbors
Interface DRpriority NeighborAddr V Mode Holdtime Timeout
**********************
root at fw-neppo> show igmp group
Interface Group Source LastReported Timeout V State
eth2 233.111.180.97 0.0.0.0 10.245.6.242 198 2 E
eth2 233.111.180.98 0.0.0.0 10.245.6.242 205 2 E
eth2 233.111.180.99 0.0.0.0 10.245.6.242 201 2 E
eth2 233.111.180.100 0.0.0.0 10.245.6.242 205 2 E
Thank for replay.
Thiago.
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