netquirks
Exploring the quirks of Network Engineering
PIM BiDir
Scenario
The covers the R4 configuration of BiDir PIM as seen on this lab.
IOS Config
multicast-routing distributed
!
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface Loopback1
description RP loopback
ip address 10.4.4.4 255.255.255.255
! sparse-mode or sparse-dense-mode can be used, sparse-mode is more common
ip pim sparse-mode
!
! Only one interface shown here but other interfaces are analogous
interface GigabitEthernet3
description link to R5
ip address 10.10.45.4 255.255.255.0
ip pim sparse-mode
ip router isis LAB
isis circuit-type level-2-only
isis network point-to-point
!
router isis LAB
net 49.0100.4444.4444.4444.00
is-type level-2-only
metric-style wide
passive-interface Loopback0
passive-interface Loopback1
!
ip pim bidir-enable
ip pim rp-address 10.4.4.4 1 bidir
!
access-list 1 permit 228.1.1.9
!XR Config
ipv4 access-list GROUP-ACL 10 permit ipv4 host 228.1.1.9 any!interface Loopback1 ipv4 address 10.4.4.4 255.255.255.255!router isis LAB is-type level-2-only net 49.0100.4444.4444.4444.00 log adjacency changes address-family ipv4 unicast metric-style wide ! interface Loopback0 passive address-family ipv4 unicast ! ! interface Loopback1 passive address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/1 point-to-point address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/2 point-to-point address-family ipv4 unicast ! ! interface GigabitEthernet0/0/0/3 point-to-point address-family ipv4 unicast ! !!multicast-routing address-family ipv4 interface Loopback1 enable ! interface GigabitEthernet0/0/0/1 enable ! interface GigabitEthernet0/0/0/2 enable ! interface GigabitEthernet0/0/0/3 enable ! !!router pim address-family ipv4 rp-address 10.4.4.4 GROUP-ACL bidir interface GigabitEthernet0/0/0/1 enable ! interface GigabitEthernet0/0/0/2 enable ! interface GigabitEthernet0/0/0/3 enable ! !!
netquirks 