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Revision 3

updated 2019-07-29 08:54:13 +0000

The MPLS Lable1 and MPLS Label2 fields cannot be displayed correctly in MAC Route(EVPN)

EVPN NLRI: MAC Advertisement Route Route Type: MAC Advertisement Route (2) 0000 0000 0000 0000 0000 .... = MPLS Label 1: 0--->wrong, should be 2(dec). 0000 0000 0000 0000 1100 .... = MPLS Label 2: 12--->wrong, should be 200(dec).

The MPLS Label1 and MPLS Label2 fields cannot be displayed correctly.

Actual original packet field is :00 00 02 00 00 c8.

Original packet information:

Frame 14: 173 bytes on wire (1384 bits), 173 bytes captured (1384 bits) on interface 0
Ethernet II, Src: 38:0b:4c:02:01:01 (38:0b:4c:02:01:01), Dst: 38:0b:4c:01:01:01 (38:0b:4c:01:01:01)
Internet Protocol Version 4, Src: 2.2.2.2, Dst: 1.1.1.1
Transmission Control Protocol, Src Port: 179, Dst Port: 53724, Seq: 20, Ack: 20, Len: 119
Border Gateway Protocol - UPDATE Message
    Marker: ffffffffffffffffffffffffffffffff
    Length: 119
    Type: UPDATE Message (2)
    Withdrawn Routes Length: 0
    Total Path Attribute Length: 96
    Path attributes
        Path Attribute - ORIGIN: INCOMPLETE
        Path Attribute - AS_PATH: empty
        Path Attribute - LOCAL_PREF: 100
        Path Attribute - EXTENDED_COMMUNITIES
        Path Attribute - MP_REACH_NLRI
            Flags: 0x90, Optional, Extended-Length, Non-transitive, Complete
            Type Code: MP_REACH_NLRI (14)
            Length: 51
            Address family identifier (AFI): Layer-2 VPN (25)
            Subsequent address family identifier (SAFI): EVPN (70)
            Next hop network address (4 bytes)
            Number of Subnetwork points of attachment (SNPA): 0
            Network layer reachability information (42 bytes)
                EVPN NLRI: MAC Advertisement Route
                    Route Type: MAC Advertisement Route (2)
                    Length: 40
                    Route Distinguisher: 0000000100000016 (1:22)
                    ESI: 00:00:00:00:00:00:00:00:00:00
                    Ethernet Tag ID: 0
                    MAC Address Length: 48
                    MAC Address: HuaweiTe_62:30:31 (54:89:98:62:30:31)
                    IP Address Length: 32
                    IPv4 address: 192.168.20.3
                    0000 0000 0000 0000 0000 .... = MPLS Label 1: 0
                    0000 0000 0000 0000 1100 .... = MPLS Label 2: 12

Revision 2

23.8k

grahamb

updated 2019-07-29 08:53:39 +0000

The MPLS Lable1 and MPLS Label2 fields cannot be displayed correctly in MAC Route(EVPN)

The MPLS Label1 and MPLS Label2 fields cannot be displayed correctly.

Actual original packet field is :00 00 02 00 00 c8.

Original packet information:

Frame 14: 173 bytes on wire (1384 bits), 173 bytes captured (1384 bits) on interface 0
Ethernet II, Src: 38:0b:4c:02:01:01 (38:0b:4c:02:01:01), Dst: 38:0b:4c:01:01:01 (38:0b:4c:01:01:01)
Internet Protocol Version 4, Src: 2.2.2.2, Dst: 1.1.1.1
Transmission Control Protocol, Src Port: 179, Dst Port: 53724, Seq: 20, Ack: 20, Len: 119
Border Gateway Protocol - UPDATE Message
    Marker: ffffffffffffffffffffffffffffffff
    Length: 119
    Type: UPDATE Message (2)
    Withdrawn Routes Length: 0
    Total Path Attribute Length: 96
    Path attributes
        Path Attribute - ORIGIN: INCOMPLETE
        Path Attribute - AS_PATH: empty
        Path Attribute - LOCAL_PREF: 100
        Path Attribute - EXTENDED_COMMUNITIES
        Path Attribute - MP_REACH_NLRI
            Flags: 0x90, Optional, Extended-Length, Non-transitive, Complete
            Type Code: MP_REACH_NLRI (14)
            Length: 51
            Address family identifier (AFI): Layer-2 VPN (25)
            Subsequent address family identifier (SAFI): EVPN (70)
            Next hop network address (4 bytes)
            Number of Subnetwork points of attachment (SNPA): 0
            Network layer reachability information (42 bytes)
                EVPN NLRI: MAC Advertisement Route
                    Route Type: MAC Advertisement Route (2)
                    Length: 40
                    Route Distinguisher: 0000000100000016 (1:22)
                    ESI: 00:00:00:00:00:00:00:00:00:00
                    Ethernet Tag ID: 0
                    MAC Address Length: 48
                    MAC Address: HuaweiTe_62:30:31 (54:89:98:62:30:31)
                    IP Address Length: 32
                    IPv4 address: 192.168.20.3
                    0000 0000 0000 0000 0000 .... = MPLS Label 1: 0
                    0000 0000 0000 0000 1100 .... = MPLS Label 2: 12

Revision 1

angelyouyou

asked 2019-07-29 06:59:04 +0000

The MPLS Lable1 and MPLS Label2 fields cannot be displayed correctly in MAC Route(EVPN)

EVPN NLRI: MAC Advertisement Route Route Type: MAC Advertisement Route (2) --> 0000 0000 0000 0000 0000 .... = MPLS Label 1: 0--->wrong, should be 2(dec). 0000 0000 0000 0000 1100 .... = MPLS Label 2: 12--->wrong, should be ~~200(dec).~~

The MPLS Label1 200(dec). --->The MPLS Lable1 and MPLS Label2 fields cannot be displayed correctly.

Actual original packet field is :00 00 02 00 00 c8.

Original packet information:

Frame 14: 173 bytes on wire (1384 bits), 173 bytes captured (1384 bits) on interface 0 Ethernet II, Src: 38:0b:4c:02:01:01 (38:0b:4c:02:01:01), Dst: 38:0b:4c:01:01:01 (38:0b:4c:01:01:01) Internet Protocol Version 4, Src: 2.2.2.2, Dst: 1.1.1.1 Transmission Control Protocol, Src Port: 179, Dst Port: 53724, Seq: 20, Ack: 20, Len: 119 Border Gateway Protocol - UPDATE Message Marker: ffffffffffffffffffffffffffffffff Length: 119 Type: UPDATE Message (2) Withdrawn Routes Length: 0 Total Path Attribute Length: 96 Path attributes Path Attribute - ORIGIN: INCOMPLETE Path Attribute - AS_PATH: empty Path Attribute - LOCAL_PREF: 100 Path Attribute - EXTENDED_COMMUNITIES Path Attribute - MP_REACH_NLRI Flags: 0x90, Optional, Extended-Length, Non-transitive, Complete Type Code: MP_REACH_NLRI (14) Length: 51 Address family identifier (AFI): Layer-2 VPN (25) Subsequent address family identifier (SAFI): EVPN (70) Next hop network address (4 bytes) Number of Subnetwork points of attachment (SNPA): 0 Network layer reachability information (42 bytes) EVPN NLRI: MAC Advertisement Route Route Type: MAC Advertisement Route (2) Length: 40 Route Distinguisher: 0000000100000016 (1:22) ESI: 00:00:00:00:00:00:00:00:00:00 Ethernet Tag ID: 0 MAC Address Length: 48 MAC Address: HuaweiTe_62:30:31 (54:89:98:62:30:31) IP Address Length: 32 IPv4 address: 192.168.20.3 0000 0000 0000 0000 0000 .... = MPLS Label 1: 0 0000 0000 0000 0000 1100 .... = MPLS Label 2: 12
12