ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering Before starting this task, make sure MPLS is disabled on all physical interfaces between PE1, PE2, and PE3. MPLS labels should depend on MPLS traffic engineering tunnels. ♦ Task 17.1: The mpls traffic-eng tunnels is a global command. It will allow activating MPLS Traffic-Eng commands. Without activating globally you won’t be able to configure any traffic engineering parameters. PE1-RACK1(config)#mpls traffic-eng tunnels PE2-RACK1(config)#mpls traffic-eng tunnels PE3-RACK1(config)#mpls traffic-eng tunnels PE4-RACK1(config)#mpls traffic-eng tunnels ASBR1-RACK1(config)#mpls traffic-eng tunnels RR1-RACK1(config)#mpls traffic-eng tunnels ♦ Enable Traffic Engineering on each interface where possible. Similar command will activate MPLS traffic engineering per interface. Every interface in the path that is required to pass the TE tunnel needs to have the mpls traffic-eng tunnels configured. Otherwise, TE won’t pass any traffic from end to end. PE1-RACK1(config)#int fastEthernet 0/0 PE1-RACK1(config-if)#mpls traffic-eng tunnels PE1-RACK1(config-if)#int fastEthernet 0/1 PE1-RACK1(config-if)#mpls traffic-eng tunnels PE2-RACK1(config)#int e 0/0.20 PE2-RACK1(config-subif)#mpls traffic-eng tunnels PE2-RACK1(config-subif)#int e 0/0.21 PE2-RACK1(config-subif)#mpls traffic-eng tunnels PE2-RACK1(config-subif)#int e 0/0.123 PE2-RACK1(config-subif)#mpls traffic-eng tunnels PE3-RACK1(config)#int e 0/0.30 PE3-RACK1(config-subif)#mpls traffic-eng tunnels PE3-RACK1(config-subif)#int e0/0.31 PE3-RACK1(config-subif)#mpls traffic-eng tunnels 1 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering PE3-RACK1(config-subif)#int e0/0.123 PE3-RACK1(config-subif)#mpls traffic-eng tunnels RR1-RACK1(config-subif)#int e 0/0.20 RR1-RACK1(config-subif)#mpls traffic-eng tunnels RR1-RACK1(config-subif)#int e 0/0.30 RR1-RACK1(config-subif)#mpls traffic-eng tunnels ♦ Configure reserved bandwidth on all serial interfaces to 1158K. Traffic engineering is depending on RSVP to pass TE labels end to end. Similar to MPLS, we use IGP to pass labels end to end. In Traffic Engineering configuration, TE depends on RSVP to pass the TE labels, so RSVP is required to run for each interface in data path forwarding of TE. ip-rsvp bandwidth is used to specify allocated bandwidth that you reserved for TE over specific interface. PE1-RACK1(config)#int ser 0/0.101 PE1-RACK1(config-subif)#ip rsvp bandwidth 1158 PE1-RACK1(config-subif)#mpls traffic-eng tunnels PE1-RACK1#sho ip rsvp interface serial 0/0.101 interface allocated i/f max flow max sub max Se0/0.101 0 1158K 1158K 0 ♦ Configure reserved bandwidth on all FastEthernet links to 75M kbps. interface FastEthernet0/0 description to PE3 VLAN31 ip address 172.16.13.1 255.255.255.0 ip rsvp bandwidth 75000 ! interface FastEthernet0/1 description to PE2 VLAN21 ip address 172.16.12.1 255.255.255.0 ip rsvp bandwidth PE1-RACK1#sho ip rsvp interface fastEthernet 0/0 interface allocated i/f max flow max sub max Fa0/0 0 75M 75M 0 ♦ Configure reserved bandwidth on all Ethernet interfaces to 7500K without specifying optional commands in the RSVP mode. This task does not require the bandwidth to be specified because the default behavior of 10MB is set to 7500K. 2 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering PE2-RACK1(config)#interface Ethernet0/0.20 PE2-RACK1(config-subif)# description to RR - VLAN 20 PE2-RACK1(config-subif)# encapsulation dot1Q 20 PE2-RACK1(config-subif)# ip address 172.16.20.2 255.255.255.0 PE2-RACK1(config-subif)# ip rsvp bandwidth PE2-RACK1(config-subif)#interface Ethernet0/0.21 PE2-RACK1(config-subif)# description to PE1 - VLAN 21 PE2-RACK1(config-subif)# encapsulation dot1Q 21 PE2-RACK1(config-subif)# ip address 172.16.12.2 255.255.255.0 PE2-RACK1(config-subif)# ip rsvp bandwidth PE2-RACK1(config-subif)#interface Ethernet0/0.123 PE2-RACK1(config-subif)# description to PE3 - VLAN 123 PE2-RACK1(config-subif)# encapsulation dot1Q 123 PE2-RACK1(config-subif)# ip address 172.16.123.2 255.255.255.0 PE2-RACK1(config-subif)# ip rsvp bandwidth PE2-RACK1#sho ip rsvp interface interface allocated i/f max Et0/0.20 0 7500K Et0/0.21 0 7500K Et0/0.123 0 7500K flow max 7500K 7500K 7500K sub max 0 0 0 ♦ Configure IS-IS as the routing protocol for Traffic Engineering support. This task is very important for TE to work. TE is depending on IGP to build the routing topology and pass this routing topology to the TE database. Today TE is only supported by OSPF and IS-IS. In IS-IS it is required to run metric-style wide. This is a new format for ISIS to support new features like TE, for example. As soon as you apply the TE commands in IS-IS, TE and RSVP will try to send this RSVP topology down to IS-IS. PE1-RACK1(config-router)# PE1-RACK1(config-router)# PE1-RACK1(config-router)# PE1-RACK1(config-router)# PE1-RACK1(config-router)# PE1-RACK1(config-router)# net 48.0000.0001.0001.00 metric-style wide log-adjacency-changes all mpls traffic-eng router-id Loopback0 mpls traffic-eng level-1 passive-interface Loopback0 PE2-RACK1(config-router)# PE2-RACK1(config-router)# PE2-RACK1(config-router)# PE2-RACK1(config-router)# PE2-RACK1(config-router)# PE2-RACK1(config-router)# net 48.0000.0002.0002.00 metric-style wide log-adjacency-changes all mpls traffic-eng router-id Loopback0 mpls traffic-eng level-1 passive-interface Loopback0 PE3-RACK1(config-router)# net 48.0000.0003.0003.00 3 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering PE3-RACK1(config-router)# PE3-RACK1(config-router)# PE3-RACK1(config-router)# PE3-RACK1(config-router)# PE3-RACK1(config-router)# metric-style wide log-adjacency-changes all mpls traffic-eng router-id Loopback0 mpls traffic-eng level-1 passive-interface Loopback0 RR1-RACK1(config-router)# RR1-RACK1(config-router)# RR1-RACK1(config-router)# RR1-RACK1(config-router)# RR1-RACK1(config-router)# RR1-RACK1(config-router)# net 48.0000.0254.0254.00 metric-style wide log-adjacency-changes all mpls traffic-eng router-id Loopback0 mpls traffic-eng level-1 passive-interface Loopback0 PE2-RACK1#sho isis mpls traffic-eng advertisements System ID: PE2-RACK1.00 Router ID: 10.1.1.2 Link Count: 2 Link[1] Neighbor System ID: RR1-RACK1.01 (broadcast link) Interface IP address: 172.16.20.2 Neighbor IP Address: 0.0.0.0 Admin. Weight te: 10 igp: 10 Physical BW: 10000 kbits/sec Reservable Global Pool BW: 7500 kbits/sec Reservable Sub Pool BW: 0 kbits/sec Global Pool BW unreserved: [0]: 7500 kbits/sec, [1]: 7500 kbits/sec [2]: 7500 kbits/sec, [3]: 7500 kbits/sec [4]: 7500 kbits/sec, [5]: 7500 kbits/sec [6]: 7500 kbits/sec, [7]: 7500 kbits/sec Sub Pool BW unreserved: [0]: 7500 kbits/sec, [1]: 7500 kbits/sec [2]: 7500 kbits/sec, [3]: 7500 kbits/sec [4]: 7500 kbits/sec, [5]: 7500 kbits/sec [6]: 7500 kbits/sec, [7]: 7500 kbits/sec Affinity Bits: 0x00000000 Link[2] Neighbor System ID: PE1-RACK1.00 (P2P link) Interface IP address: 172.16.12.2 Neighbor IP Address: 172.16.12.1 Admin. Weight te: 10 igp: 10 Physical BW: 10000 kbits/sec Reservable Global Pool BW: 7500 kbits/sec Reservable Sub Pool BW: 0 kbits/sec Global Pool BW unreserved: [0]: 7500 kbits/sec, [1]: 7500 kbits/sec [2]: 7500 kbits/sec, [3]: 7500 kbits/sec [4]: 7500 kbits/sec, [5]: 7500 kbits/sec [6]: 7500 kbits/sec, [7]: 7500 kbits/sec Sub Pool BW unreserved: [0]: 7500 kbits/sec, [1]: 7500 kbits/sec [2]: 7500 kbits/sec, [3]: 7500 kbits/sec [4]: 7500 kbits/sec, [5]: 7500 kbits/sec [6]: 7500 kbits/sec, [7]: 7500 kbits/sec 4 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering Affinity Bits: 0x00000000 PE2-RACK1#sho mpls traffic-eng link-management igp-neighbors Link ID:: Tu101 Link ID:: Et0/0.20 Neighbor ID: 0000.0254.0254.01 (area: isis level-1, IP: 0.0.0.0) Link ID:: Et0/0.21 Neighbor ID: 0000.0001.0001.00 (area: isis level-1, IP: 172.16.12.1) Link ID:: Et0/0.123 Task 17.2: Configure Tail End and Head End for TE: ♦ CORRECTIONS!!! Configure dynamic tunnel 101 from PE2 to PE3. There are multiple ways in which TE can be configured to select a path. In our case, we want to use a path based on IGP instead of TE. Dynamic options allow TE to figure out the best path to tail end and head end on each side. You need to enable traffic-eng tunnels per interface and specify each tunnel point. As you can see, under path-options you have the ability to assign a number which can be used only in case of failure to switch to the manual path (which we will cover in Lab 18). PE2-RACK1(config-if)#interface Tunnel101 PE2-RACK1(config-if)# description to PE3 PE2-RACK1(config-if)# ip unnumbered Loopback0 PE2-RACK1(config-if)# mpls traffic-eng tunnels PE2-RACK1(config-if)# tunnel destination 10.1.1.3 PE2-RACK1(config-if)# tunnel mode mpls traffic-eng PE2-RACK1(config-if)# tunnel mpls traffic-eng path-option 1 dynamic PE3-RACK1(config-if)#interface Tunnel101 PE3-RACK1(config-if)# description to PE2 PE3-RACK1(config-if)# ip unnumbered Loopback0 PE3-RACK1(config-if)# mpls traffic-eng tunnels PE3-RACK1(config-if)# tunnel destination 10.1.1.2 PE3-RACK1(config-if)# tunnel mode mpls traffic-eng PE3-RACK1(config-if)# tunnel mpls traffic-eng path-option 1 dynamic ♦ Configure TE to instruct the IGP to use the tunnel in its enhanced SPF calculation. PE2-RACK1(config-if)#interface Tunnel101 PE2-RACK1(config-if)# tunnel mpls traffic-eng autoroute announce PE3-RACK1(config-if)#interface Tunnel101 PE3-RACK1(config-if)# tunnel mpls traffic-eng autoroute announce 5 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering After this task you should see the tunnel attempt to come up using auto-route. This feature announces that it will advertise itself in to the IGP to attempt to bring the TE tunnel. PE2-RACK1#sho mpls traffic-eng autoroute MPLS TE autorouting enabled destination 0000.0003.0003.00 has 1 tunnels Tunnel101 (load balancing metric 0, nexthop 10.1.1.3, absolute metric 1) ♦ Configure tunnel 101 with reservation priorities of the tunnel to be set at 0 0. This feature is used to allow TE tunnels to toggle between multiple TE tunnels in case of failure. You would use it when you have multiple tunnels and you want to have different path selection and behavior for each tunnel in the path. priority 0 0 would be the first active tunnel. If you have another tunnel with a different path, with priority 1 1, it will be the next option to select. PE2-RACK1(config)#int tun 101 PE2-RACK1(config-if)#tunnel mpls traffic-eng priority 0 0 PE3-RACK1(config)#int tun 101 PE3-RACK1(config-if)#tunnel mpls traffic-eng priority 0 0 ♦ Configure tunnel 101 with the record route function. PE2-RACK1(config)#int tunnel 101 PE2-RACK1(config-if)#tunnel mpls traffic-eng record-route PE3-RACK1(config)#int tunnel 101 PE3-RACK1(config-if)#tunnel mpls traffic-eng record-route PE3-RACK1#sho mpls traffic-eng tunnels tunnel 101 Name: to PE2 Status: Admin: up (Tunnel101) Destination: 10.1.1.2 Oper: up Path: valid Signalling: connected path option 1, type dynamic (Basis for Setup, path weight 20) Config Parameters: Bandwidth: 0 kbps (Global) Priority: 0 0 Affinity: 0x0/0xFFFF Metric Type: TE (interface) AutoRoute: enabled LockDown: disabled Loadshare: 0 bw-based auto-bw: (86400/0) 0 Bandwidth Requested: 0 InLabel : OutLabel : Ethernet0/0.31, 65 6 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering RSVP Signalling Info: Src 10.1.1.3, Dst 10.1.1.2, Tun_Id 101, Tun_Instance 2 RSVP Path Info: My Address: 172.16.13.3 Explicit Route: 172.16.13.1 172.16.12.2 10.1.1.2 Record Route: Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: 172.16.13.1 172.16.12.2 Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits Shortest Unconstrained Path Info: Path Weight: 20 (TE) Explicit Route: 172.16.13.3 172.16.13.1 172.16.12.2 10.1.1.2 History: Tunnel: Time since created: 7 days, 7 hours, 49 minutes Time since path change: 8 hours, 51 minutes Current LSP: Uptime: 8 hours, 51 minutes Prior LSP: ID: path option 1 [1] Removal Trigger: router ID changed ♦ Configure tunnel 101 to support the TE traffic metric instead of depending on an IGP. This task shows you how to specify the metric type to use for PE2 – PE3 calculation when you are determining a tunnel path direction. PE2-RACK1(config)#int tun 101 PE2-RACK1(config-if)#tunnel mpls traffic-eng path-selection metric te PE3-RACK1(config)#int tun 101 PE3-RACK1(config-if)#tunnel mpls traffic-eng path-selection metric te PE2-RACK1# sho mpls traffic-eng tunnels tunnel 101 Name: to PE3 Status: Admin: up (Tunnel101) Destination: 10.1.1.3 Oper: up Path: valid Signalling: connected path option 1, type dynamic (Basis for Setup, path weight 20) Config Parameters: Bandwidth: 0 kbps (Global) Priority: 0 0 Affinity: 0x0/0xFFFF Metric Type: TE (interface) AutoRoute: enabled LockDown: disabled Loadshare: 0 bw-based auto-bw: (86400/0) 0 Bandwidth Requested: 0 InLabel : OutLabel : Ethernet0/0.21, 64 RSVP Signalling Info: Src 10.1.1.2, Dst 10.1.1.3, Tun_Id 101, Tun_Instance 517 RSVP Path Info: My Address: 10.1.1.2 Explicit Route: 172.16.12.1 172.16.13.1 172.16.13.3 10.1.1.3 7 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering Record Route: Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: NONE Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits Shortest Unconstrained Path Info: Path Weight: 20 (TE) Explicit Route: 172.16.12.1 172.16.13.1 172.16.13.3 10.1.1.3 History: Tunnel: Time since created: 11 hours, 25 minutes Time since path change: 27 minutes, 52 seconds Current LSP: Uptime: 27 minutes, 52 seconds Prior LSP: ID: path option 1 [30] Removal Trigger: tunnel shutdown ♦ Configure TE tunnel’s bandwidth to suit the traffic flow such that it constantly tracks the average use of the MPLS TE tunnel. PE2-RACK1(config)#int tunnel 101 PE2-RACK1(config-if)#tunnel mpls traffic-eng auto-bw PE3-RACK1(config)#int tunnel 101 PE3-RACK1(config-if)#tunnel mpls traffic-eng auto-bw This command allows the tunnel bandwidth to be adjusted automatically. ♦ Verify if the tunnel is up and traffic is being passed across tunnel 101. PE2-RACK1#sho interfaces tunnel 101 Tunnel101 is up, line protocol is up Hardware is Tunnel Description: to PE3 Interface is unnumbered. Using address of Loopback0 (10.1.1.2) MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation TUNNEL, loopback not set Keepalive not set Tunnel source UNKNOWN, destination 10.1.1.3 Tunnel protocol/transport Label Switching, key disabled, sequencing disabled Checksumming of packets disabled, fast tunneling enabled Last input never, output never, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/0 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 8 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering 0 packets input, 0 bytes, 0 no buffer Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 173 packets output, 9397 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out PE3-RACK1#sho interfaces tunnel 101 Tunnel101 is up, line protocol is up Hardware is Tunnel Description: to PE2 Interface is unnumbered. Using address of Loopback0 (10.1.1.3) MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec, reliability 255/255, txload 28/255, rxload 1/255 Encapsulation TUNNEL, loopback not set Keepalive not set Tunnel source UNKNOWN, destination 10.1.1.2 Tunnel protocol/transport Label Switching, key disabled, sequencing disabled Checksumming of packets disabled, fast tunneling enabled Last input never, output never, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/0 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 1000 bits/sec, 1 packets/sec 0 packets input, 0 bytes, 0 no buffer Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 164 packets output, 9786 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out PE2-RACK1#sho mpls traffic-eng tunnels tunnel 101 brief Signalling Summary: LSP Tunnels Process: running RSVP Process: running Forwarding: enabled Periodic reoptimization: every 60 seconds, next in 17 seconds Periodic auto-bw collection: disabled TUNNEL NAME DESTINATION UP IF DOWN IF STATE/PROT to PE3 10.1.1.3 Et0/0.21 up/up PE3-RACK1#sho mpls traffic-eng tunnels tunnel 101 brief Signalling Summary: LSP Tunnels Process: running RSVP Process: running Forwarding: enabled Periodic reoptimization: every 60 seconds, next in 29 seconds Periodic auto-bw collection: disabled TUNNEL NAME DESTINATION UP IF DOWN IF STATE/PROT to PE2 10.1.1.2 Et0/0.31 up/up 9 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering PE2-RACK1#sho mpls traffic-eng tunnels tunnel 101 Name: to PE3 Status: Admin: up (Tunnel101) Destination: 10.1.1.3 Oper: up Path: valid Signalling: connected path option 1, type dynamic (Basis for Setup, path weight 20) Config Parameters: Bandwidth: 0 kbps (Global) Priority: 0 0 Affinity: 0x0/0xFFFF Metric Type: TE (interface) AutoRoute: enabled LockDown: disabled Loadshare: 0 bw-based auto-bw: (86400/0) 0 Bandwidth Requested: 0 InLabel : OutLabel : Ethernet0/0.21, 64 RSVP Signalling Info: Src 10.1.1.2, Dst 10.1.1.3, Tun_Id 101, Tun_Instance 11 RSVP Path Info: My Address: 10.1.1.2 Explicit Route: 172.16.12.1 172.16.13.1 172.16.13.3 10.1.1.3 Record Route: Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: 172.16.12.1 172.16.13.3 Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits Shortest Unconstrained Path Info: Path Weight: 20 (TE) Explicit Route: 172.16.12.1 172.16.13.1 172.16.13.3 10.1.1.3 History: Tunnel: Time since created: 2 hours, 45 minutes Time since path change: 11 minutes, 45 seconds Current LSP: Uptime: 11 minutes, 45 seconds Selection: reoptimation Prior LSP: ID: path option 1 [6] Removal Trigger: configuration changed PE3-RACK1#sho mpls traffic-eng tunnels tunnel 101 Name: to PE2 Status: Admin: up (Tunnel101) Destination: 10.1.1.2 Oper: up Path: valid Signalling: connected path option 1, type dynamic (Basis for Setup, path weight 20) Config Parameters: Bandwidth: 0 kbps (Global) Priority: 0 0 Affinity: 0x0/0xFFFF Metric Type: TE (interface) AutoRoute: enabled LockDown: disabled Loadshare: 0 bw-based auto-bw: (86400/0) 0 Bandwidth Requested: 0 InLabel : OutLabel : Ethernet0/0.31, 65 RSVP Signalling Info: 10 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering Src 10.1.1.3, Dst 10.1.1.2, Tun_Id 101, Tun_Instance 2 RSVP Path Info: My Address: 172.16.13.3 Explicit Route: 172.16.13.1 172.16.12.2 10.1.1.2 Record Route: Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: 172.16.13.1 172.16.12.2 Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits Shortest Unconstrained Path Info: Path Weight: 20 (TE) Explicit Route: 172.16.13.3 172.16.13.1 172.16.12.2 10.1.1.2 History: Tunnel: Time since created: 6 days, 23 hours, 16 minutes Time since path change: 18 minutes, 18 seconds Current LSP: Uptime: 18 minutes, 18 seconds Prior LSP: ID: path option 1 [1] Removal Trigger: router ID changed PE2-RACK1#sho isis mpls traffic-eng tunnel System Id Tunnel Name BW Metric PE3-RACK1.00 Tunnel101 0 Nexthop 10.1.1.3 Metric 1 Mode Absolute PE3-RACK1#sho isis mpls traffic-eng tunnel System Id Tunnel Name BW Metric PE2-RACK1.00 Tunnel101 0 Nexthop 10.1.1.2 Metric 1 Mode Absolute ♦ All traffic from PE2 to PE3 must flow through tunnel 101. PE2-RACK1#sho mpls traffic-eng topology path tunnel 101 Query Parameters: Destination: 10.1.1.3 Bandwidth: 0 Priorities: 0 (setup), 0 (hold) Affinity: 0x0 (value), 0xFFFF (mask) Query Results: Min Bandwidth Along Path: 7500 (kbps) Max Bandwidth Along Path: 75000 (kbps) Hop 0: 172.16.12.2 : affinity 00000000, bandwidth 7500 (kbps) Hop 1: 172.16.13.1 : affinity 00000000, bandwidth 75000 (kbps) Hop 2: 172.16.13.3 : affinity 00000000, bandwidth 7500 (kbps) Hop 3: 10.1.1.3 PE2-RACK1#sho ip route isis | include Tun i L1 172.16.30.0 [115/1] via 10.1.1.3, Tunnel101 i L1 172.16.13.0 [115/1] via 10.1.1.3, Tunnel101 i L1 10.1.1.3 [115/1] via 10.1.1.3, Tunnel101 i L1 192.168.2.0/24 [115/1] via 10.1.1.3, Tunnel101 PE2-RACK1(config)#interface Tunnel101 11 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# 1 PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# | Lab17 Solutions: Basic Traffic Engineering description to PE3 ip unnumbered Loopback0 mpls label protocol ldp mpls traffic-eng tunnels tag-switching ip tunnel destination 10.1.1.3 tunnel mode mpls traffic-eng tunnel mpls traffic-eng autoroute announce tunnel mpls traffic-eng autoroute metric absolute tunnel tunnel tunnel tunnel tunnel mpls mpls mpls mpls mpls traffic-eng traffic-eng traffic-eng traffic-eng traffic-eng priority 0 0 path-option 1 dynamic record-route path-selection metric te auto-bw ♦ In case of PE1 and VLAN123 failure, the traffic should remain stable. PE2-RACK1#sho ip route isis 172.16.0.0/24 is subnetted, 3 subnets i L1 172.16.30.0 [115/1] via 10.1.1.3, Tunnel101 i L1 172.16.13.0 [115/1] via 10.1.1.3, Tunnel101 10.0.0.0/32 is subnetted, 3 subnets i L1 10.1.1.3 [115/1] via 10.1.1.3, Tunnel101 i L1 10.1.1.254 [115/10] via 172.16.20.254, Ethernet0/0.20 i L1 192.168.2.0/24 [115/1] via 10.1.1.3, Tunnel101 In this task, shut down PE1 and also shut down E0/0.123 on PE2 and PE3. Go back to PE2 and re-visit your status of routes. Everything should flow over RR1 router. Verify with sho mpls forwarding-table detail. Configure RR1 to accept TE extension. RR1-RACK1(config)#mpls traffic-eng tunnels RR1-RACK1(config)#interface et0/0.20 RR1-RACK1(config-subif)#mpls traffic-eng tunnels RR1-RACK1(config-subif)#ip rsvp bandwidth RR1-RACK1(config-subif)#interface et0/0.30 RR1-RACK1(config-subif)#mpls traffic-eng tunnels RR1-RACK1(config-subif)#ip rsvp bandwidth RR1-RACK1(config)#router isis RR1-RACK1(config-router)# net 48.0000.0254.0254.00 RR1-RACK1(config-router)# is-type level-1 RR1-RACK1(config-router)# metric-style wide RR1-RACK1(config-router)# log-adjacency-changes all RR1-RACK1(config-router)# mpls traffic-eng router-id Loopback0 RR1-RACK1(config-router)# mpls traffic-eng level-1 RR1-RACK1(config-router)# passive-interface Loopback0 12 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 RR1-RACK1#sho mpls Local Outgoing tag tag or VC 16 Untagged 17 Untagged 18 Untagged 19 Untagged 20 Pop tag 21 Pop tag | Lab17 Solutions: Basic Traffic Engineering forwarding-table Prefix Bytes tag or Tunnel Id switched 172.16.13.0/24 0 192.168.2.0/24 0 10.1.1.3/32 0 10.1.1.2/32 0 10.1.1.2 101 [769] 610 10.1.1.3 101 [751] 610 Outgoing interface Et0/0.30 Et0/0.30 Et0/0.30 Et0/0.20 Et0/0.30 Et0/0.20 Next Hop 172.16.30.3 172.16.30.3 172.16.30.3 172.16.20.2 172.16.30.3 172.16.20.2 PE2-RACK1#sho mpls forwarding-table detail Local Outgoing Prefix Bytes tag Outgoing Next Hop tag tag or VC or Tunnel Id switched interface 16 Untagged 172.16.13.0/24 0 Tu101 point2point MAC/Encaps=18/22, MRU=1500, Tag Stack{20}, via Et0/0.20 0005322BEDC00002B95ECA00810000148847 00014000 No output feature configured Per-packet load-sharing 39 Untagged 172.16.30.0/24 0 Tu101 point2point MAC/Encaps=18/22, MRU=1500, Tag Stack{20}, via Et0/0.20 0005322BEDC00002B95ECA00810000148847 00014000 No output feature configured Per-packet load-sharing 40 Pop tag 10.1.1.3/32 0 Tu101 point2point MAC/Encaps=18/22, MRU=1500, Tag Stack{20}, via Et0/0.20 0005322BEDC00002B95ECA00810000148847 00014000 No output feature configured Per-packet load-sharing 41 Untagged 10.1.1.254/32 0 Et0/0.20 172.16.20.254 MAC/Encaps=0/0, MRU=1504, Tag Stack{} No output feature configured Per-packet load-sharing 42 Untagged 192.168.2.0/24 0 Tu101 point2point MAC/Encaps=18/22, MRU=1500, Tag Stack{20}, via Et0/0.20 Local Outgoing Prefix Bytes tag Outgoing Next Hop tag tag or VC or Tunnel Id switched interface 0005322BEDC00002B95ECA00810000148847 00014000 No output feature configured Per-packet load-sharing 49 Untagged 8.8.8.0/24[V] 0 Et0/0.82 10.82.1.1 MAC/Encaps=0/0, MRU=1504, Tag Stack{} VPN route: iementor No output feature configured Per-packet load-sharing 50 Aggregate 10.82.1.0/24[V] 6092 MAC/Encaps=0/0, MRU=0, Tag Stack{} VPN route: iementor No output feature configured Per-packet load-sharing PE2-RACK1#sho mpls traffic-eng tunnels tunnel 101 Name: to PE3 Status: 13 (Tunnel101) Destination: 10.1.1.3 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 Admin: up Oper: up | Lab17 Solutions: Basic Traffic Engineering Path: valid Signalling: connected path option 1, type dynamic (Basis for Setup, path weight 20) Config Parameters: Bandwidth: 0 kbps (Global) Priority: 0 0 Affinity: 0x0/0xFFFF Metric Type: TE (interface) AutoRoute: enabled LockDown: disabled Loadshare: 0 bw-based auto-bw: (86400/0) 0 Bandwidth Requested: 0 InLabel : OutLabel : Ethernet0/0.20, 20 RSVP Signalling Info: Src 10.1.1.2, Dst 10.1.1.3, Tun_Id 101, Tun_Instance 769 RSVP Path Info: My Address: 172.16.20.2 Explicit Route: 172.16.20.254 172.16.30.254 172.16.30.3 10.1.1.3 Record Route: Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: 172.16.20.254 172.16.30.3 Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits Shortest Unconstrained Path Info: Path Weight: 20 (TE) Explicit Route: 172.16.20.2 172.16.20.254 172.16.30.254 172.16.30.3 10.1.1.3 History: Tunnel: Time since created: 14 hours, 19 minutes Time since path change: 5 minutes, 41 seconds Current LSP: Uptime: 5 minutes, 41 seconds Prior LSP: ID: path option 1 [761] Removal Trigger: path verification failed Task 17.3: Configure VPN IEMENTOR uses traffic engineering. PE2-RACK1(config)#ip vrf iementor PE2-RACK1(config-vrf)# rd 1:1 PE2-RACK1(config-vrf)# route-target export 1:1 PE2-RACK1(config-vrf)# route-target import 1:1 PE2-RACK1(config-vrf)#router bgp 65001 PE2-RACK1(config-router)# no bgp default ipv4-unicast PE2-RACK1(config-router)# bgp log-neighbor-changes PE2-RACK1(config-router)# neighbor 10.1.1.254 remote-as 65001 PE2-RACK1(config-router)# neighbor 10.1.1.254 update-source Loopback0 PE2-RACK1(config-router)# address-family vpnv4 PE2-RACK1(config-router-af)# neighbor 10.1.1.254 activate PE2-RACK1(config-router-af)# neighbor 10.1.1.254 send-community extended PE2-RACK1(config-router-af)# exit-address-family PE2-RACK1(config-router)# address-family ipv4 vrf iementor PE2-RACK1(config-router-af)# redistribute connected PE2-RACK1(config-router-af)# neighbor 10.82.1.1 remote-as 8 PE2-RACK1(config-router-af)# neighbor 10.82.1.1 activate PE2-RACK1(config-router-af)# no auto-summary 14 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. ieMentor CCIE™ Service Provider Workbook v1.0 | Lab17 Solutions: Basic Traffic Engineering PE2-RACK1(config-router-af)# no synchronization PE2-RACK1(config-router-af)# exit-address-family PE3-RACK1(config)#ip vrf iementor PE3-RACK1(config-vrf)# rd 1:1 PE3-RACK1(config-vrf)# route-target export 1:1 PE3-RACK1(config-vrf)# route-target import 1:1 PE3-RACK1(config-vrf)#router bgp 65001 PE3-RACK1(config-router)# no synchronization PE3-RACK1(config-router)# bgp log-neighbor-changes PE3-RACK1(config-router)# neighbor 10.1.1.254 remote-as 65001 PE3-RACK1(config-router)# neighbor 10.1.1.254 update-source Loopback0 PE3-RACK1(config-router)# no auto-summary PE3-RACK1(config-router)# address-family vpnv4 PE3-RACK1(config-router-af)# neighbor 10.1.1.254 activate PE3-RACK1(config-router-af)# neighbor 10.1.1.254 send-community extended PE3-RACK1(config-router-af)# exit-address-family PE3-RACK1(config-router)# address-family ipv4 vrf solaris PE3-RACK1(config-router-af)# redistribute connected metric 2 PE3-RACK1(config-router-af)# redistribute eigrp 100 metric 2 PE3-RACK1(config-router-af)# no auto-summary PE3-RACK1(config-router-af)# no synchronization PE3-RACK1(config-router-af)# exit-address-family PE3-RACK1(config-router)# address-family ipv4 vrf iementor PE3-RACK1(config-router-af)# redistribute connected PE3-RACK1(config-router-af)# neighbor 10.13.1.1 remote-as 1 PE3-RACK1(config-router-af)# neighbor 10.13.1.1 activate PE3-RACK1(config-router-af)# no auto-summary PE3-RACK1(config-router-af)# no synchronization PE3-RACK1(config-router-af)# exit-address-family CE1-RACK1# ping 8.8.8.8 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/6/8 ms Task 17.4: Provision SP2 PE4 to participate in future traffic engineering deployment for OSPF. PE4-RACK1(config)#router ospf 100 PE4-RACK1(config-router)# mpls traffic-eng area 0 PE4-RACK1(config-router)# mpls traffic-eng router-id Loopback0 15 This product is individually licensed. Copyright® 2005 ieMentor http://www.iementor.com. [...]... PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# 1 PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# PE2-RACK1(config-if)# | Lab1 7 Solutions: Basic Traffic Engineering description to PE3 ip unnumbered Loopback0 mpls label... tunnels RR1-RACK1(config-subif)#ip rsvp bandwidth RR1-RACK1(config)#router isis RR1-RACK1(config-router)# net 48.0000.0254.0254.00 RR1-RACK1(config-router)# is-type level-1 RR1-RACK1(config-router)# metric-style wide RR1-RACK1(config-router)# log-adjacency-changes all RR1-RACK1(config-router)# mpls traffic- eng router-id Loopback0 RR1-RACK1(config-router)# mpls traffic- eng level-1 RR1-RACK1(config-router)#... 2 PE3-RACK1(config-router-af)# no auto-summary PE3-RACK1(config-router-af)# no synchronization PE3-RACK1(config-router-af)# exit-address-family PE3-RACK1(config-router)# address-family ipv4 vrf iementor PE3-RACK1(config-router-af)# redistribute connected PE3-RACK1(config-router-af)# neighbor 10.13.1.1 remote-as 1 PE3-RACK1(config-router-af)# neighbor 10.13.1.1 activate PE3-RACK1(config-router-af)#... PE3-RACK1(config-router)# no auto-summary PE3-RACK1(config-router)# address-family vpnv4 PE3-RACK1(config-router-af)# neighbor 10.1.1.254 activate PE3-RACK1(config-router-af)# neighbor 10.1.1.254 send-community extended PE3-RACK1(config-router-af)# exit-address-family PE3-RACK1(config-router)# address-family ipv4 vrf solaris PE3-RACK1(config-router-af)# redistribute connected metric 2 PE3-RACK1(config-router-af)#... traffic engineering PE2-RACK1(config)#ip vrf iementor PE2-RACK1(config-vrf)# rd 1:1 PE2-RACK1(config-vrf)# route-target export 1:1 PE2-RACK1(config-vrf)# route-target import 1:1 PE2-RACK1(config-vrf)#router bgp 65001 PE2-RACK1(config-router)# no bgp default ipv4-unicast PE2-RACK1(config-router)# bgp log-neighbor-changes PE2-RACK1(config-router)# neighbor 10.1.1.254 remote-as 65001 PE2-RACK1(config-router)#... 10.1.1.254 update-source Loopback0 PE2-RACK1(config-router)# address-family vpnv4 PE2-RACK1(config-router-af)# neighbor 10.1.1.254 activate PE2-RACK1(config-router-af)# neighbor 10.1.1.254 send-community extended PE2-RACK1(config-router-af)# exit-address-family PE2-RACK1(config-router)# address-family ipv4 vrf iementor PE2-RACK1(config-router-af)# redistribute connected PE2-RACK1(config-router-af)# neighbor... ldp mpls traffic- eng tunnels tag-switching ip tunnel destination 10.1.1.3 tunnel mode mpls traffic- eng tunnel mpls traffic- eng autoroute announce tunnel mpls traffic- eng autoroute metric absolute tunnel tunnel tunnel tunnel tunnel mpls mpls mpls mpls mpls traffic- eng traffic- eng traffic- eng traffic- eng traffic- eng priority 0 0 path-option 1 dynamic record-route path-selection metric te auto-bw ♦ In... iementor PE3-RACK1(config-vrf)# rd 1:1 PE3-RACK1(config-vrf)# route-target export 1:1 PE3-RACK1(config-vrf)# route-target import 1:1 PE3-RACK1(config-vrf)#router bgp 65001 PE3-RACK1(config-router)# no synchronization PE3-RACK1(config-router)# bgp log-neighbor-changes PE3-RACK1(config-router)# neighbor 10.1.1.254 remote-as 65001 PE3-RACK1(config-router)# neighbor 10.1.1.254 update-source Loopback0 PE3-RACK1(config-router)#... remote-as 8 PE2-RACK1(config-router-af)# neighbor 10.82.1.1 activate PE2-RACK1(config-router-af)# no auto-summary 14 This product is individually licensed Copyright® 2005 ieMentor http://www.iementor.com ieMentor CCIE™ Service Provider Workbook v1.0 | Lab1 7 Solutions: Basic Traffic Engineering PE2-RACK1(config-router-af)# no synchronization PE2-RACK1(config-router-af)# exit-address-family PE3-RACK1(config)#ip... re-visit your status of routes Everything should flow over RR1 router Verify with sho mpls forwarding-table detail Configure RR1 to accept TE extension RR1-RACK1(config)#mpls traffic- eng tunnels RR1-RACK1(config)#interface et0/0.20 RR1-RACK1(config-subif)#mpls traffic- eng tunnels RR1-RACK1(config-subif)#ip rsvp bandwidth RR1-RACK1(config-subif)#interface et0/0.30 RR1-RACK1(config-subif)#mpls traffic- eng ... mpls traffic- eng autoroute announce tunnel mpls traffic- eng autoroute metric absolute tunnel tunnel tunnel tunnel tunnel mpls mpls mpls mpls mpls traffic- eng traffic- eng traffic- eng traffic- eng traffic- eng... Solutions: Basic Traffic Engineering description to PE3 ip unnumbered Loopback0 mpls label protocol ldp mpls traffic- eng tunnels tag-switching ip tunnel destination 10.1.1.3 tunnel mode mpls traffic- eng... Solutions: Basic Traffic Engineering PE3-RACK1(config-subif)#int e0/0.123 PE3-RACK1(config-subif)#mpls traffic- eng tunnels RR1-RACK1(config-subif)#int e 0/0.20 RR1-RACK1(config-subif)#mpls traffic- eng