Hello,
I have this setup:
PE1 router is connected to P1 router via single 1G Intf. P1 router is in turn connected to the P2 router via 8xSTM-1, and finally P2 is connected to PE2 via single 1G Intf
PE1--P1==P2--PE2
Now, this is how PE1 is seeing P1's MPLS-TE topology tree:
pe1#sh isis database verbose p1
Metric: 10 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.77
Neighbor IP Address: 192.168.10.78
Physical BW: 155520 kbits/sec
Reservable Global Pool BW: 0 kbits/sec
Global Pool BW Unreserved:
[0]: 0 kbits/sec, [1]: 0 kbits/sec
[2]: 0 kbits/sec, [3]: 0 kbits/sec
[4]: 0 kbits/sec, [5]: 0 kbits/sec
: 0 kbits/sec, [7]: 0 kbits/sec
Metric: 10 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.81
Neighbor IP Address: 192.168.10.82
Physical BW: 155520 kbits/sec
Reservable Global Pool BW: 0 kbits/sec
Global Pool BW Unreserved:
[0]: 0 kbits/sec, [1]: 0 kbits/sec
[2]: 0 kbits/sec, [3]: 0 kbits/sec
[4]: 0 kbits/sec, [5]: 0 kbits/sec
: 0 kbits/sec, [7]: 0 kbits/sec
Metric: 10 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.93
Neighbor IP Address: 192.168.10.94
Physical BW: 155520 kbits/sec
Reservable Global Pool BW: 0 kbits/sec
Global Pool BW Unreserved:
[0]: 0 kbits/sec, [1]: 0 kbits/sec
[2]: 0 kbits/sec, [3]: 0 kbits/sec
[4]: 0 kbits/sec, [5]: 0 kbits/sec
: 0 kbits/sec, [7]: 0 kbits/sec
Metric: 10 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.85
Neighbor IP Address: 192.168.10.86
Physical BW: 155520 kbits/sec
Reservable Global Pool BW: 0 kbits/sec
Global Pool BW Unreserved:
[0]: 0 kbits/sec, [1]: 0 kbits/sec
[2]: 0 kbits/sec, [3]: 0 kbits/sec
[4]: 0 kbits/sec, [5]: 0 kbits/sec
: 0 kbits/sec, [7]: 0 kbits/sec
Metric: 13000 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.15.61
Neighbor IP Address: 192.168.15.62
Physical BW: 1000000 kbits/sec
Reservable Global Pool BW: 145000 kbits/sec
Global Pool BW Unreserved:
[0]: 145000 kbits/sec, [1]: 145000 kbits/sec
[2]: 145000 kbits/sec, [3]: 145000 kbits/sec
[4]: 145000 kbits/sec, [5]: 145000 kbits/sec
: 145000 kbits/sec, [7]: 15000 kbits/sec
Metric: 13000 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.189
Neighbor IP Address: 192.168.10.190
Physical BW: 1000000 kbits/sec
Reservable Global Pool BW: 145000 kbits/sec
Global Pool BW Unreserved:
[0]: 145000 kbits/sec, [1]: 145000 kbits/sec
[2]: 145000 kbits/sec, [3]: 145000 kbits/sec
[4]: 145000 kbits/sec, [5]: 145000 kbits/sec
: 145000 kbits/sec, [7]: 5000 kbits/sec
Metric: 10 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.245
Neighbor IP Address: 192.168.10.246
Physical BW: 1000000 kbits/sec
Reservable Global Pool BW: 145000 kbits/sec
Global Pool BW Unreserved:
[0]: 145000 kbits/sec, [1]: 145000 kbits/sec
[2]: 145000 kbits/sec, [3]: 145000 kbits/sec
[4]: 145000 kbits/sec, [5]: 145000 kbits/sec
: 145000 kbits/sec, [7]: 10000 kbits/sec
Metric: 13000 IS-Extended p2
Affinity: 0x00000000
Interface IP Address: 192.168.10.161
Neighbor IP Address: 192.168.10.162
Physical BW: 1000000 kbits/sec
Reservable Global Pool BW: 145000 kbits/sec
Global Pool BW Unreserved:
[0]: 145000 kbits/sec, [1]: 145000 kbits/sec
[2]: 145000 kbits/sec, [3]: 145000 kbits/sec
[4]: 145000 kbits/sec, [5]: 145000 kbits/sec
: 145000 kbits/sec, [7]: 145000 kbits/sec
As you see, 5 STM-1 with metric of 10 and 3 STM-1 with metric of 13000.
I'm trying to build up a TE tunnel with a BW of 125M from PE1 toward PE2:
pe1#sh run int tu12
Building configuration...
Current configuration : 319 bytes
!
interface Tunnel12
ip unnumbered Loopback0
tunnel source Loopback0
tunnel destination 2.2.2.2
tunnel mode mpls traffic-eng
tunnel mpls traffic-eng priority 7 7
tunnel mpls traffic-eng bandwidth 125000
tunnel mpls traffic-eng path-option 1 dynamic
tunnel mpls traffic-eng path-selection metric te
end
However, the tunnel doesn't come up because of this:
pe1#sh mpls traffic-eng tunnels tunnel 12
Name: pe1 (Tunnel12) Destination: 2.2.2.2
Status:
Admin: up Oper: down Path: not valid Signalling: Down
path option 1, type dynamic
Config Parameters:
Bandwidth: 125000 kbps (Global) Priority: 7 7 Affinity: 0x0/0xFFFF
Metric Type: TE (interface)
AutoRoute: disabled LockDown: disabled Loadshare: 125000 bw-based
auto-bw: disabled
Shortest Unconstrained Path Info:
Path Weight: 2010 (TE)
Explicit Route: 192.168.10.17 192.168.10.246 192.168.50.74 2.2.2.2
History:
Tunnel:
Time since created: 17 hours, 25 minutes
Time since path change: 6 seconds
Prior LSP:
ID: path option 1 [6410]
Removal Trigger: path error
Jan 21 12:25:18 CLT: Outgoing Path:
Jan 21 12:25:18 CLT: version:1 flags:0000 cksum:DCAB ttl:255 reserved:0 length:212
Jan 21 12:25:18 CLT: SESSION type 7 length 16:
Jan 21 12:25:18 CLT: Tun Dest: 2.2.2.2 Tun ID: 12 Ext Tun ID: 1.1.1.1
Jan 21 12:25:18 CLT: HOP type 1 length 12:
Jan 21 12:25:18 CLT: Hop Addr: 192.168.10.18 LIH: 0x36000418
Jan 21 12:25:18 CLT: TIME_VALUES type 1 length 8 :
Jan 21 12:25:18 CLT: Refresh Period (msec): 30000
Jan 21 12:25:18 CLT: EXPLICIT_ROUTE type 1 length 36:
Jan 21 12:25:18 CLT: 192.168.10.17 (Strict IPv4 Prefix, 8 bytes, /32)
Jan 21 12:25:18 CLT: 192.168.10.162 (Strict IPv4 Prefix, 8 bytes, /32)
Jan 21 12:25:18 CLT: 192.168.50.74 (Strict IPv4 Prefix, 8 bytes, /32)
Jan 21 12:25:18 CLT: 2.2.2.2 (Strict IPv4 Prefix, 8 bytes, /32)
Jan 21 12:25:18 CLT: LABEL_REQUEST type 1 length 8 :
Jan 21 12:25:18 CLT: Layer 3 protocol ID: 2048
Jan 21 12:25:18 CLT: SESSION_ATTRIBUTE type 7 length 28:
Jan 21 12:25:18 CLT: Setup Prio: 7, Holding Prio: 7
Jan 21 12:25:18 CLT: Flags: SE Style
Jan 21 12:25:18 CLT: Session Name: pe1
Jan 21 12:25:18 CLT: SENDER_TEMPLATE type 7 length 12:
Jan 21 12:25:18 CLT: Tun Sender: 1.1.1.1 LSP ID: 6412
Jan 21 12:25:18 CLT: SENDER_TSPEC type 2 length 36:
Jan 21 12:25:18 CLT: version=0, length in words=7
Jan 21 12:25:18 CLT: Token bucket fragment (service_id=1, length=6 words
Jan 21 12:25:18 CLT: parameter id=127, flags=0, parameter length=5
Jan 21 12:25:18 CLT: average rate=15625000 bytes/sec, burst depth=1000 bytes
Jan 21 12:25:18 CLT: peak rate =15625000 bytes/sec
Jan 21 12:25:18 CLT: min unit=0 bytes, max pkt size=2147483647 bytes
Jan 21 12:25:18 CLT: ADSPEC type 2 length 48:
Jan 21 12:25:18 CLT: version=0 length in words=10
Jan 21 12:25:18 CLT: General Parameters break bit=0 service length=8
Jan 21 12:25:18 CLT: IS Hops:1
Jan 21 12:25:18 CLT: Minimum Path Bandwidth (bytes/sec):125000000
Jan 21 12:25:18 CLT: Path Latency (microseconds):0
Jan 21 12:25:18 CLT: Path MTU:1600
Jan 21 12:25:18 CLT: Controlled Load Service break bit=0 service length=0
Jan 21 12:25:18 CLT: Incoming PathError:
Jan 21 12:25:18 CLT: version:1 flags:0001 cksum:0000 ttl:255 reserved:0 length:132
Jan 21 12:25:18 CLT: SESSION type 7 length 16:
Jan 21 12:25:18 CLT: Tun Dest: 2.2.2.2 Tun ID: 12 Ext Tun ID: 1.1.1.1
Jan 21 12:25:18 CLT: ERROR_SPEC type 1 length 12:
Jan 21 12:25:18 CLT: Error Node: 192.168.10.17
Jan 21 12:25:18 CLT: Error Code: 24 (Routing Problem)
Jan 21 12:25:18 CLT: Error Value: 0x5 (No route available toward destination)
Jan 21 12:25:18 CLT: Flags: 0x0
Jan 21 12:25:18 CLT: SENDER_TEMPLATE type 7 length 12:
Jan 21 12:25:18 CLT: Tun Sender: 1.1.1.1 LSP ID: 6412
Jan 21 12:25:18 CLT: SENDER_TSPEC type 2 length 36:
Jan 21 12:25:18 CLT: version=0, length in words=7
Jan 21 12:25:18 CLT: Token bucket fragment (service_id=1, length=6 words
Jan 21 12:25:18 CLT: parameter id=127, flags=0, parameter length=5
Jan 21 12:25:18 CLT: average rate=15625000 bytes/sec, burst depth=1000 bytes
Jan 21 12:25:18 CLT: peak rate =15625000 bytes/sec
Jan 21 12:25:18 CLT: min unit=0 bytes, max pkt size=2147483647 bytes
Jan 21 12:25:18 CLT: ADSPEC type 2 length 48:
Jan 21 12:25:18 CLT: version=0 length in words=10
Jan 21 12:25:18 CLT: General Parameters break bit=0 service length=8
Jan 21 12:25:18 CLT: IS Hops:1
Jan 21 12:25:18 CLT: Minimum Path Bandwidth (bytes/sec):125000000
Jan 21 12:25:18 CLT: Path Latency (microseconds):0
Jan 21 12:25:18 CLT: Path MTU:1600
Jan 21 12:25:18 CLT: Controlled Load Service break bit=0 service length=0
Jan 21 12:25:18 CLT: Outgoing PathTear:
Jan 21 12:25:18 CLT: version:1 flags:0000 cksum:E674 ttl:255 reserved:0 length:132
Jan 21 12:25:18 CLT: SESSION type 7 length 16:
Jan 21 12:25:18 CLT: Tun Dest: 2.2.2.2 Tun ID: 12 Ext Tun ID: 1.1.1.1
Jan 21 12:25:18 CLT: HOP type 1 length 12:
Jan 21 12:25:18 CLT: Hop Addr: 192.168.10.18 LIH: 0x36000418
Jan 21 12:25:18 CLT: SENDER_TEMPLATE type 7 length 12:
Jan 21 12:25:18 CLT: Tun Sender: 1.1.1.1 LSP ID: 6412
Jan 21 12:25:18 CLT: SENDER_TSPEC type 2 length 36:
Jan 21 12:25:18 CLT: version=0, length in words=7
Jan 21 12:25:18 CLT: Token bucket fragment (service_id=1, length=6 words
Jan 21 12:25:18 CLT: parameter id=127, flags=0, parameter length=5
Jan 21 12:25:18 CLT: average rate=15625000 bytes/sec, burst depth=1000 bytes
Jan 21 12:25:18 CLT: peak rate =15625000 bytes/sec
Jan 21 12:25:18 CLT: min unit=0 bytes, max pkt size=2147483647 bytes
Jan 21 12:25:18 CLT: ADSPEC type 2 length 48:
Jan 21 12:25:18 CLT: version=0 length in words=10
Jan 21 12:25:18 CLT: General Parameters break bit=0 service length=8
Jan 21 12:25:18 CLT: IS Hops:0
Jan 21 12:25:18 CLT: Minimum Path Bandwidth (bytes/sec):2147483647
Jan 21 12:25:18 CLT: Path Latency (microseconds):0
Jan 21 12:25:18 CLT: Path MTU:-1
Jan 21 12:25:18 CLT: Controlled Load Service break bit=0 service length=0
However, you can see that P1=P2 connections has an interface which is 192.168.10.161 that can accomodate this BW requirement.
Do anyone has any idea?