R1, R3 and R7
vrf definition MVPN
address-family ipv4
mdt overlay use-bgp
XR1
router pim
vrf CORE
address-family ipv4
mdt c-multicast-routing bgp
With the configuration in place, we can begin verifying the BGP MVPN tables.
R1#show bgp ipv4 mvpn all | b Network
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:100 (default for vrf MVPN)
*> [1][100:100][192.0.2.1]/12
0.0.0.0 32768 ?
*>i [1][100:100][192.0.2.3]/12
192.0.2.3 0 100 0 ?
*>i [1][100:100][192.0.2.7]/12
192.0.2.7 0 100 0 ?
*>i [1][100:100][192.0.2.21]/12
192.0.2.21 100 0 i
*> [3][100:100][192.0.2.15][232.15.15.15][192.0.2.1]/22
0.0.0.0 32768 ?
*>i [6][100:100][1.50693][192.0.2.15/32][227.1.2.3/32]/22
192.0.2.7 0 100 0 ?
*>i [7][100:100][1.50693][192.0.2.15/32][232.15.15.15/32]/22
192.0.2.3 0 100 0 ?
R3#sh bgp ipv4 mvpn all | b Network
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:100 (default for vrf MVPN)
*>i [1][100:100][192.0.2.1]/12
192.0.2.1 0 100 0 ?
*> [1][100:100][192.0.2.3]/12
0.0.0.0 32768 ?
*>i [1][100:100][192.0.2.7]/12
192.0.2.7 0 100 0 ?
*>i [1][100:100][192.0.2.21]/12
192.0.2.21 100 0 i
*>i [3][100:100][192.0.2.15][232.15.15.15][192.0.2.1]/22
192.0.2.1 0 100 0 ?
*> [6][100:100][1.50693][192.0.2.15/32][227.1.2.3/32]/22
0.0.0.0 32768 ?
*> [7][100:100][1.50693][192.0.2.15/32][232.15.15.15/32]/22
0.0.0.0 32768 ?
R7#sh bgp ipv4 mvpn all | b Network
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:100 (default for vrf MVPN)
*>i [1][100:100][192.0.2.1]/12
192.0.2.1 0 100 0 ?
*>i [1][100:100][192.0.2.3]/12
192.0.2.3 0 100 0 ?
*> [1][100:100][192.0.2.7]/12
0.0.0.0 32768 ?
*>i [1][100:100][192.0.2.21]/12
192.0.2.21 100 0 i
*>i [3][100:100][192.0.2.15][232.15.15.15][192.0.2.1]/22
192.0.2.1 0 100 0 ?
*> [6][100:100][1.50693][192.0.2.15/32][227.1.2.3/32]/22
0.0.0.0 32768 ?
*> [7][100:100][1.50693][192.0.2.16/32][232.16.16.16/32]/22
0.0.0.0 32768 ?
RP/0/0/CPU0:XR1#sh bgp ipv4 mvpn | b Network
Mon Dec 24 03:46:31.219 UTC
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:100 (default for vrf CORE)
*>i[1][192.0.2.1]/40 192.0.2.1 0 100 0 ?
*>i[1][192.0.2.3]/40 192.0.2.3 0 100 0 ?
*>i[1][192.0.2.7]/40 192.0.2.7 0 100 0 ?
*> [1][192.0.2.21]/40 0.0.0.0 0 i
*>i[3][32][192.0.2.15][32][232.15.15.15][192.0.2.1]/120
192.0.2.1 0 100 0 ?
*>i[7][100:100][116229][32][192.0.2.16][32][232.16.16.16]/184
192.0.2.7 0 100 0 ?
As you can see, all 3 IOS PE routers have Type 6 and 7 routes, Type 6 for ASM and Type 7 for SSM. XR1 just has Type 7 for SSM.
We'll verify the MPLS MLDP databases and the forwarding tables.
R1#sh mpls mldp database | in P2MP|Label|FEC Root
LSM ID : 23 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.21
Out Label (U) : None Interface : GigabitEthernet1.14*
Local Label (D): 1022 Next Hop : 100.64.14.4
LSM ID : 1F Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.1 (we are the root)
LSM ID : 20 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.3
Out Label (U) : None Interface : GigabitEthernet1.12*
Local Label (D): 1020 Next Hop : 100.64.12.2
LSM ID : 21 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.7
Out Label (U) : None Interface : GigabitEthernet1.14*
Local Label (D): 1021 Next Hop : 100.64.14.4
LSM ID : 2C Type: P2MP Uptime : 04:23:25
FEC Root : 192.0.2.1 (we are the root)
R1#show mpls forwarding-table labels 1020 - 1022
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
1020 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
1021 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
1022 [T] No Label [gid 1 (0x00000001)][V] \
3416 aggregate/MVPN
R3#sh mpls mldp database | in P2MP|Label|FEC Root
LSM ID : 1F Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.21
Out Label (U) : None Interface : GigabitEthernet1.36*
Local Label (D): 3025 Next Hop : 100.64.36.6
LSM ID : 1C Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.23*
Local Label (D): 3022 Next Hop : 100.64.23.2
LSM ID : 1B Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.3 (we are the root)
LSM ID : 1D Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.7
Out Label (U) : None Interface : GigabitEthernet1.36*
Local Label (D): 3021 Next Hop : 100.64.36.6
LSM ID : 28 Type: P2MP Uptime : 04:24:24
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.23*
Local Label (D): 3023 Next Hop : 100.64.23.2
R3#show mpls forwarding-table labels 3020 - 3025
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
3021 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
3022 [T] No Label [gid 65536 (0x00010000)][V] \
2074 aggregate/MVPN
3023 [T] No Label [gid 65537 (0x00010001)][V] \
2440 aggregate/MVPN
3025 [T] No Label [gid 1 (0x00000001)][V] \
976 aggregate/MVPN
R7#sh mpls mldp database | in P2MP|Label|FEC Root
LSM ID : 18 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.21
Out Label (U) : None Interface : GigabitEthernet1.127*
Local Label (D): 7021 Next Hop : 100.64.127.12
LSM ID : 16 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.67*
Local Label (D): 7025 Next Hop : 100.64.67.6
LSM ID : 17 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.3
Out Label (U) : None Interface : GigabitEthernet1.67*
Local Label (D): 7022 Next Hop : 100.64.67.6
LSM ID : 15 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.7 (we are the root)
R7#sh mpls forwarding-table labels 7020 - 7025
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
7021 [T] No Label [gid 1 (0x00000001)][V] \
1952 aggregate/MVPN
6020 [gid 1 (0x00000001)][V] \
336184 Gi1.67 100.64.67.6
7022 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
7025 [T] No Label [gid 65536 (0x00010000)][V] \
2074 aggregate/MVPN
RP/0/0/CPU0:XR1#sh mpls mldp database | in "Label|FEC Root|P2MP"
Mon Dec 24 04:05:22.542 UTC
LSM-ID: 0x00009 Type: P2MP Uptime: 1d12h
FEC Root : 192.0.2.21 (we are the root)
Local Label : 91010 (internal)
LSM-ID: 0x00006 Type: P2MP Uptime: 1d12h
FEC Root : 192.0.2.1
Local Label (D) : 91011
LSM-ID: 0x00007 Type: P2MP Uptime: 1d12h
FEC Root : 192.0.2.3
Local Label (D) : 91013
LSM-ID: 0x00008 Type: P2MP Uptime: 1d12h
FEC Root : 192.0.2.7
Local Label (D) : 91014
RP/0/0/CPU0:XR1#show mpls forwarding labels 91010 91014
Mon Dec 24 04:06:36.287 UTC
Local Outgoing Prefix Outgoing Next Hop Bytes
Label Label or ID Interface Switched
------ ----------- ------------------ ------------ --------------- ------------
91010 92018 MLDP: 0x00009 Gi0/0/0/0.112 100.64.112.120 0
4021 MLDP: 0x00009 Gi0/0/0/0.114 100.64.114.4 0
91011 Unlabelled MLDP: 0x00006
91013 Unlabelled MLDP: 0x00007
91014 Unlabelled MLDP: 0x00008
We'll test from R15 to the ASM and then the SSM groups, then test on R16 to the SSM group.
R15#ping 227.1.2.3 repeat 3
Type escape sequence to abort.
Sending 3, 100-byte ICMP Echos to 227.1.2.3, timeout is 2 seconds:
Reply to request 0 from 100.64.211.17, 35 ms
Reply to request 0 from 192.0.2.18, 37 ms
Reply to request 0 from 100.64.214.18, 36 ms
Reply to request 0 from 192.0.2.17, 36 ms
Reply to request 1 from 192.0.2.17, 7 ms
Reply to request 1 from 192.0.2.18, 34 ms
Reply to request 1 from 100.64.214.18, 24 ms
Reply to request 1 from 192.0.2.18, 15 ms
Reply to request 1 from 192.0.2.17, 10 ms
Reply to request 1 from 100.64.211.17, 7 ms
Reply to request 2 from 192.0.2.17, 10 ms
Reply to request 2 from 192.0.2.18, 16 ms
Reply to request 2 from 192.0.2.17, 13 ms
Reply to request 2 from 192.0.2.18, 11 ms
R3#sh mpls mldp database | in P2MP|Label|FEC Root
LSM ID : 1F Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.21
Out Label (U) : None Interface : GigabitEthernet1.36*
Local Label (D): 3025 Next Hop : 100.64.36.6
LSM ID : 1C Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.23*
Local Label (D): 3022 Next Hop : 100.64.23.2
LSM ID : 1B Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.3 (we are the root)
LSM ID : 1D Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.7
Out Label (U) : None Interface : GigabitEthernet1.36*
Local Label (D): 3021 Next Hop : 100.64.36.6
LSM ID : 28 Type: P2MP Uptime : 04:30:54
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.23*
Local Label (D): 3023 Next Hop : 100.64.23.2
LSM ID : 2D Type: P2MP Uptime : 00:00:15
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.23*
Local Label (D): 3020 Next Hop : 100.64.23.2
LSM ID : 2C Type: P2MP Uptime : 00:00:15
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.23*
Local Label (D): 3024 Next Hop : 100.64.23.2
R3#show mpls forwarding-table labels 3020 - 3025
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
3020 [T] No Label [gid 65538 (0x00010002)][V] \
0 aggregate/MVPN
3021 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
3022 [T] No Label [gid 65536 (0x00010000)][V] \
2684 aggregate/MVPN
3023 [T] No Label [gid 65537 (0x00010001)][V] \
2440 aggregate/MVPN
3024 [T] No Label [gid 65539 (0x00010003)][V] \
0 aggregate/MVPN
3025 [T] No Label [gid 1 (0x00000001)][V] \
976 aggregate/MVPN
We can see that label 3022 has incremented from 2074 to 2684.
We can see that label 3022 has incremented from 2074 to 2684.
R7#sh mpls mldp database | in P2MP|Label|FEC Root
LSM ID : 18 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.21
Out Label (U) : None Interface : GigabitEthernet1.127*
Local Label (D): 7021 Next Hop : 100.64.127.12
LSM ID : 16 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.67*
Local Label (D): 7025 Next Hop : 100.64.67.6
LSM ID : 17 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.3
Out Label (U) : None Interface : GigabitEthernet1.67*
Local Label (D): 7022 Next Hop : 100.64.67.6
LSM ID : 15 Type: P2MP Uptime : 1d12h
FEC Root : 192.0.2.7 (we are the root)
LSM ID : 25 Type: P2MP Uptime : 00:00:43
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.67*
Local Label (D): 7023 Next Hop : 100.64.67.6
LSM ID : 24 Type: P2MP Uptime : 00:00:43
FEC Root : 192.0.2.1
Out Label (U) : None Interface : GigabitEthernet1.67*
Local Label (D): 7020 Next Hop : 100.64.67.6
R7#sh mpls forwarding-table labels 7020 - 7025
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
7020 [T] No Label [gid 65539 (0x00010003)][V] \
0 aggregate/MVPN
7021 [T] No Label [gid 1 (0x00000001)][V] \
1952 aggregate/MVPN
6020 [gid 1 (0x00000001)][V] \
337064 Gi1.67 100.64.67.6
7022 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
7023 [T] No Label [gid 65538 (0x00010002)][V] \
0 aggregate/MVPN
7025 [T] No Label [gid 65536 (0x00010000)][V] \
2684 aggregate/MVPN
We can see that label 7021 incremented from 336184 to 337064.
R15#ping 232.15.15.15 source lo0 repeat 3
Type escape sequence to abort.
Sending 3, 100-byte ICMP Echos to 232.15.15.15, timeout is 2 seconds:
Packet sent with a source address of 192.0.2.15
Reply to request 0 from 192.0.2.17, 7 ms
Reply to request 0 from 192.0.2.17, 9 ms
Reply to request 1 from 192.0.2.17, 6 ms
Reply to request 1 from 192.0.2.17, 7 ms
Reply to request 2 from 192.0.2.17, 7 ms
Reply to request 2 from 192.0.2.17, 8 ms
Now we ping the SSM group from R15.
R3#show mpls forwarding-table labels 3020 - 3025
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
3021 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
3022 [T] No Label [gid 65536 (0x00010000)][V] \
2684 aggregate/MVPN
3023 [T] No Label [gid 65537 (0x00010001)][V] \
2928 aggregate/MVPN
3025 [T] No Label [gid 1 (0x00000001)][V] \
976 aggregate/MVPN
We see that label 3023 has incremented from 2440 to 2928.
R16#ping 232.16.16.16 source lo0 repeat 3
Type escape sequence to abort.
Sending 3, 100-byte ICMP Echos to 232.16.16.16, timeout is 2 seconds:
Packet sent with a source address of 192.0.2.16
Reply to request 0 from 192.0.2.18, 8 ms
Reply to request 0 from 192.0.2.18, 9 ms
Reply to request 1 from 192.0.2.18, 8 ms
Reply to request 1 from 192.0.2.18, 8 ms
Reply to request 2 from 192.0.2.18, 7 ms
Reply to request 2 from 192.0.2.18, 7 ms
We ping the SSM group from R16.
R7#sh mpls forwarding-table labels 7020 - 7025
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or Tunnel Id Switched interface
7021 [T] No Label [gid 1 (0x00000001)][V] \
2684 aggregate/MVPN
6020 [gid 1 (0x00000001)][V] \
338356 Gi1.67 100.64.67.6
7022 [T] No Label [gid 65536 (0x00010000)][V] \
0 aggregate/MVPN
We see that label 7021 has incremented from 336184 to 338356.
Thanks for stopping by!
Rob Riker, CCIE #50693
We see that label 7021 has incremented from 336184 to 338356.
Thanks for stopping by!
Rob Riker, CCIE #50693
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