*GRE tunnel configuration*
ESR2# sh tunnels configuration 
Tunnel             State      Description                      
----------------   --------   ------------------------------   
gre 1              Enabled    --                               
ESR2# sh tunnels configuration gre 1
State:                                             Enabled
Description:                                       --
Mode:                                              ip
Bridge group:                                      --
VRF:                                               --
Local address:                                     192.0.2.2
Remote address:                                    192.0.2.1
Calculates checksums for outgoing GRE packets:     No
Requires that all input GRE packets were checksum: No
key:                                               60
TTL:                                               64
DSCP:                                              Inherit
MTU:                                               1472
Path MTU discovery:                                Enabled
Don't fragment bit suppression:                    Disabled
Security zone:                                     --
Multipoint mode:                                   Disabled
Keepalive:                                         
    State:                                             Disabled
    Timeout:                                           10
    Retries:                                           6
    Destination address:                               --
*vpnv4 routes presence*
SR2# sh bgp vpnv4 unicast all 
Status codes: * - valid, > - best, i - internal, S - stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Codes Route Distinguisher   IP Prefix          Next hop        Metric     Label   LocPrf     
Weight Path            
----- --------------------- ------------------ --------------- ---------- ------- ---------- 
------ ----------------
*>    65500:1 10.101.0.0/24      --              --         34 100        --    
65502 i
*>i   65500:1 10.100.0.0/24 10.12.0.1       --         16 100 0  
65501 i
*LDP state*
ESR2# sh mpls ldp neighbor 
Peer LDP ID: 10.12.0.1; Local LDP ID 10.12.0.2
    State:                  Operational
    TCP connection:         10.12.0.1:646 - 10.12.0.2:46444
    Messages sent/received: 60/60
    Uptime:                 00:53:59
    LDP discovery sources:
        gre 1
ESR2# sh mpls forwarding-table 
Local    Outgoing Prefix                                      Outgoing         Next Hop            
label    label    or tunnel ID                                Interface                            
-------- -------- ------------------------------------------- ---------------- 
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