Example: Complex Configuration for a Channelized OC-12 QPP Interface
Figure 2 and Table 4 show a complex channelization structure that you might encounter if you use the full capabilities of a channelized OC-12 QPP interface. Partitions 1 and 8 create an OC-3 interface, while Partitions 2 and 5 create T3 interfaces out of channelized OC-1 interfaces. Partition 3 (channelized OC-1 converted to channelized T3) and Partition 6 (channelized OC-1) are channelized interfaces that each subdivide into twenty-eight T1 interfaces. Finally, Partition 4 (channelized OC-1 converted to channelized T3) and Partition 7 (channelized OC-1) are channelized interfaces that each split into two channelized T1 interfaces and twenty-six T1 interfaces. The first channelized T1 splits into twenty-four DS-0 timeslots, while the second channelized T1 subdivides into five DS-0 channels and one channel group comprised of 19 DS-0 channels.
This example shows two NxDS-0 mapping methods. Partition 4 uses M13 mapping for North American T-carrier equipment and Partition 7 uses VT mapping for SONET/SDH equipment.
This example also assumes corresponding interfaces. For example, for every sublevel T1 interface you configure on Router A, assume you have configured a matching sublevel or physical T1 interface on a neighboring router.
Router A
[edit]
interfaces {
coc12-4/2/0 {
partition 1 oc-slice 1-3 interface-type so; # Creates an OC-3 SONET interface: so-4/2/0:1
partition 2 oc-slice 4 interface-type coc1; # Creates a channelized OC-1 interface: coc1-4/2/0:2
partition 3 oc-slice 5 interface-type coc1; # Creates a channelized OC-1 interface: coc1-4/2/0:3
partition 4 oc-slice 6 interface-type coc1; # Creates a channelized OC-1 interface: coc1-4/2/0:4
partition 5 oc-slice 7 interface-type coc1; # Creates a channelized OC-1 interface: coc1-4/2/0:5
partition 6 oc-slice 8 interface-type coc1; # Creates a channelized OC-1 interface: coc1-4/2/0:6
partition 7 oc-slice 9 interface-type coc1; # Creates a channelized OC-1 interface: coc1-4/2/0:7
partition 8 oc-slice 10-12 interface-type so; # Creates an OC-3 SONET interface: so-4/2/0:8
}
so-4/2/0:1 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.2/30;
}
}
}
coc1-4/2/0:2
no-partition interface-type t3; # This converts the coc1 interface into a T3 interface: t3-4/2/0:2.
}
t3-4/2/0:2 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.6/30;
}
}
}
coc1-4/2/0:3{
no-partition interface-type ct3; # This converts the coc1 interface into a channelized T3 interface:
} # ct3-4/2/0:3.
ct3-4/2/0:3 {
partition 1-28 interface-type t1; # This converts the channelized T3 interface into 28 T1 channels:
} # t1-4/2/0:3:1 through t1-4/2/0:3:28.
coc1-4/2/0:4{
no-partition interface-type ct3; # This converts the coc1 interface into a channelized T3 interface:
} # ct3-4/2/0:4.
ct3-4/2/0:4 {
partition 1-2 interface-type ct1; #This creates ct1-4/2/0:4:1 and ct1-4/2/0:4:2.
partition 3-28 interface-type t1; #This creates t1-4/2/0:4:3 through t1-4/2/0:4:28.
}
coc1-4/2/0:5
no-partition interface-type t3; # This converts the coc1 interface into a T3 interface: t3-4/2/0:5.
}
t3-4/2/0:5 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.1.90/30;
}
}
}
coc1-4/2/0:6 {
partition 1-28 interface-type t1; # This converts the channelized OC-1 interface into 28 T1s:
} # t1-4/2/0:6:1 through t1-4/2/0:6:28.
coc1-4/2/0:7 {
partition 1-2 interface-type ct1; #This creates ct1-4/2/0:7:1 and ct1-4/2/0:7:2.
partition 3-28 interface-type t1; #This creates t1-4/2/0:7:3 through t1-4/2/0:7:28.
}
so-4/2/0:8 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.174/30;
}
}
}
t1-4/2/0:3:1 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.10/30;
}
}
}
...
t1-4/2/0:3:28 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.118/30;
}
}
}
ct1-4/2/0:4:1 {
partition 1 timeslots 1 interface-type ds; #This creates 24 DS-0 channels:
partition 2 timeslots 2 interface-type ds; # ds-4/2/0:4:1:1 through ds-4/2/0:4:1:24.
partition 3 timeslots 3 interface-type ds;
partition 4 timeslots 4 interface-type ds;
partition 5 timeslots 5 interface-type ds;
partition 6 timeslots 6 interface-type ds;
partition 7 timeslots 7 interface-type ds;
partition 8 timeslots 8 interface-type ds;
partition 9 timeslots 9 interface-type ds;
partition 10 timeslots 10 interface-type ds;
partition 11 timeslots 11 interface-type ds;
partition 12 timeslots 12 interface-type ds;
partition 13 timeslots 13 interface-type ds;
partition 14 timeslots 14 interface-type ds;
partition 15 timeslots 15 interface-type ds;
partition 16 timeslots 16 interface-type ds;
partition 17 timeslots 17 interface-type ds;
partition 18 timeslots 18 interface-type ds;
partition 19 timeslots 19 interface-type ds;
partition 20 timeslots 20 interface-type ds;
partition 21 timeslots 21 interface-type ds;
partition 22 timeslots 22 interface-type ds;
partition 23 timeslots 23 interface-type ds;
partition 24 timeslots 24 interface-type ds;
}
ds-4/2/0:4:1:1 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.122/30;
}
}
}
...
ds-4/2/0:4:1:24 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.214/30;
}
}
}
ct1-4/2/0:4:2 {
partition 1 timeslots 1-19 interface-type ds; # ds-4/2/0:4:2:1 is a channel group with 19 NxDS-0s.
partition 2 timeslots 20 interface-type ds; # ds-4/2/0:4:2:2 through ds-4/2/0:4:2:6 are single
partition 3 timeslots 21 interface-type ds; # 64 kbps NxDS-0 channels.
partition 4 timeslots 22 interface-type ds;
partition 5 timeslots 23 interface-type ds;
partition 6 timeslots 24 interface-type ds;
}
ds-4/2/0:4:2:1 { # This NxDS-0 is a channel group with 19 DS-0s bundled as one.
encapsulation ppp;
unit 0 {
family inet {
address 10.255.0.218/30;
}
}
}
ds-4/2/0:4:2:2 {
encapsulation ppp;
unit 0 {
family inet {
address 10.120.0.222/30;
}
}
}
...
ds-4/2/0:4:2:6 {
encapsulation ppp;
unit 0 {
family inet {
address 10.120.0.238/30;
}
}
}
t1-4/2/0:4:3 {
encapsulation ppp;
unit 0 {
family inet {
address 10.120.0.242/30;
}
}
}
...
t1-4/2/0:4:28 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.1.86/30;
}
}
}
t1-4/2/0:6:1 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.1.94/30;
}
}
}
...
t1-4/2/0:6:28 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.1.202/30;
}
}
}
ct1-4/2/0:7:1 {
partition 1 timeslots 1 interface-type ds; #This creates 24 DS-0 channels:
partition 2 timeslots 2 interface-type ds; # ds-4/2/0:7:1:1 through ds-4/2/0:7:1:24.
partition 3 timeslots 3 interface-type ds;
partition 4 timeslots 4 interface-type ds;
partition 5 timeslots 5 interface-type ds;
partition 6 timeslots 6 interface-type ds;
partition 7 timeslots 7 interface-type ds;
partition 8 timeslots 8 interface-type ds;
partition 9 timeslots 9 interface-type ds;
partition 10 timeslots 10 interface-type ds;
partition 11 timeslots 11 interface-type ds;
partition 12 timeslots 12 interface-type ds;
partition 13 timeslots 13 interface-type ds;
partition 14 timeslots 14 interface-type ds;
partition 15 timeslots 15 interface-type ds;
partition 16 timeslots 16 interface-type ds;
partition 17 timeslots 17 interface-type ds;
partition 18 timeslots 18 interface-type ds;
partition 19 timeslots 19 interface-type ds;
partition 20 timeslots 20 interface-type ds;
partition 21 timeslots 21 interface-type ds;
partition 22 timeslots 22 interface-type ds;
partition 23 timeslots 23 interface-type ds;
partition 24 timeslots 24 interface-type ds;
}
ds-4/2/0:7:1:1 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.1.206/30;
}
}
}
...
ds-4/2/0:7:1:24 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.42/30;
}
}
}
ct1-4/2/0:7:2 {
partition 1 timeslots 1-19 interface-type ds; # ds-4/2/0:7:2:1 is a channel group with 19 NxDS-0s.
partition 2 timeslots 20 interface-type ds; # ds-4/2/0:7:2:2 through ds-4/2/0:7:2:6 are single
partition 3 timeslots 21 interface-type ds; # 64 kbps NxDS-0 channels.
partition 4 timeslots 22 interface-type ds;
partition 5 timeslots 23 interface-type ds;
partition 6 timeslots 24 interface-type ds;
}
ds-4/2/0:7:2:1 { # This NxDS-0 is a channel group with 19 DS-0s bundled as one.
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.46/30;
}
}
}
ds-4/2/0:7:2:2 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.50/30;
}
}
}
...
ds-4/2/0:7:2:6 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.66/30;
}
}
}
t1-4/2/0:7:3 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.70/30;
}
}
}
...
t1-4/2/0:7:28 {
encapsulation ppp;
unit 0 {
family inet {
address 10.255.2.170/30;
}
}
}
}