Verifying the configuration
# Execute the display interface tunnel command on Switch A. The output shows that the tunnel interface is up.
[SwitchA] display interface tunnel Tunnel0 Current state: UP Line protocol state: UP Description: Tunnel0 Interface Bandwidth: 64kbps Maximum Transmit Unit: 1496 Internet Address is 6.1.1.1/24 Primary Tunnel source unknown, destination 3.3.3.3 Tunnel TTL 255 Tunnel protocol/transport CR_LSP Last clearing of counters: Never Last 300 seconds input rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec Last 300 seconds output rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec Input: 0 packets, 0 bytes, 0 drops Output: 0 packets, 0 bytes, 0 drops
# Execute the display mpls te tunnel-interface command on Switch A to display detailed information about the MPLS TE tunnel.
[SwitchA] display mpls te tunnel-interface Tunnel Name : Tunnel 0 Tunnel State : Up (Main CRLSP up) Tunnel Attributes : LSP ID : 1 Tunnel ID : 0 Admin State : Normal Ingress LSR ID : 1.1.1.1 Egress LSR ID : 3.3.3.3 Signaling : Static Static CRLSP Name : static-cr-lsp-1 Resv Style : - Tunnel mode : - Reverse-LSP name : - Reverse-LSP LSR ID : - Reverse-LSP Tunnel ID: - Class Type : - Tunnel Bandwidth : - Reserved Bandwidth : - Setup Priority : 0 Holding Priority : 0 Affinity Attr/Mask : -/- Explicit Path : - Backup Explicit Path : - Metric Type : TE Record Route : - Record Label : - FRR Flag : - Backup Bandwidth Flag: - Backup Bandwidth Type: - Backup Bandwidth : - Route Pinning : - Retry Limit : 3 Retry Interval : 2 sec Reoptimization : - Reoptimization Freq : - Backup Type : - Backup LSP ID : - Auto Bandwidth : - Auto Bandwidth Freq : - Min Bandwidth : - Max Bandwidth : - Collected Bandwidth : -
# Execute the display mpls lsp command or the display mpls static-cr-lsp command on each switch to display static CRLSP information.
[SwitchA] display mpls lsp FEC Proto In/Out Label Interface/Out NHLFE 1.1.1.1/0/1 StaticCR -/20 Vlan1 2.1.1.2 Local -/- Vlan1 [SwitchB] display mpls lsp FEC Proto In/Out Label Interface/Out NHLFE - StaticCR 20/30 Vlan2 3.2.1.2 Local -/- Vlan2 [SwitchC] display mpls lsp FEC Proto In/Out Label Interface/Out NHLFE - StaticCR 30/- - [SwitchA] display mpls static-cr-lsp Name LSR Type In/Out Label Out Interface State static-cr-lsp-1 Ingress Null/20 Vlan1 Up [SwitchB] display mpls static-cr-lsp Name LSR Type In/Out Label Out Interface State static-cr-lsp-1 Transit 20/30 Vlan2 Up [SwitchC] display mpls static-cr-lsp Name LSR Type In/Out Label Out Interface State static-cr-lsp1 Egress 30/Null - Up
# Execute the display ip routing-table command on Switch A. The output shows a static route entry with interface Tunnel 0 as the output interface.
[SwitchA]display ip routing-table Destinations : 13 Routes : 13 Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 1.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0 2.1.1.0/24 Direct 0 0 2.1.1.1 Vlan1 2.1.1.0/32 Direct 0 0 2.1.1.1 Vlan1 2.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0 2.1.1.255/32 Direct 0 0 2.1.1.1 Vlan1 2.2.2.2/32 IS_L1 15 10 2.1.1.2 Vlan1 3.2.1.0/24 Static 1 0 0.0.0.0 Tun0 3.3.3.3/32 IS_L1 15 20 2.1.1.2 Vlan1 6.1.1.0/24 Direct 0 0 6.1.1.1 Tun0 6.1.1.0/32 Direct 0 0 6.1.1.1 Tun0 6.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0 6.1.1.255/32 Direct 0 0 6.1.1.1 Tun0