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  1. Junior Member Registered Member
    Join Date
    Jun 2016
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    1
    #1

    Default L2 over L3 Bridging between IOS XR and IOS XE

    All,

    your help is much appreciated, I have an xconnect circuit between ASR1k and ASR9k, everything is fine accept no traffic is passing through three s only little packet that went through but no ping between hosts.

    IOS XE Device


    pseudowire-class XXXXX
    encapsulation l2tpv3
    interworking ip
    ip local interface TenGigabitEthernet0/1/0.719


    interface GigabitEthernet0/0/0
    no ip address
    negotiation auto
    xconnect 172.31.1.1 1 encapsulation l2tpv3 pw-class XXXXX




    interface TenGigabitEthernet0/1/0.719
    encapsulation dot1Q 719
    ip address 172.31.1.2 255.255.255.252


    show xconnect all
    Legend: XC ST=Xconnect State S1=Segment1 State S2=Segment2 State
    UP=Up DN=Down AD=Admin Down IA=Inactive
    SB=Standby HS=Hot Standby RV=Recovering NH=No Hardware


    XC ST Segment 1 S1 Segment 2 S2
    ------+---------------------------------+--+---------------------------------+--
    UP pri ac Gi0/0/0:8(Ethernet) UP l2tp 172.31.1.1:1 UP




    IOS XR Device


    l2vpn
    pw-class XXXXX
    encapsulation l2tpv3
    protocol l2tpv3
    ipv4 source 172.31.1.1
    !
    !
    xconnect group XXXXX
    p2p XXXXX
    interface GigabitEthernet0/2/0/2
    neighbor ipv4 172.31.1.2 pw-id 1
    pw-class XXXXX
    !
    interworking ipv4


    interface GigabitEthernet0/2/0/2
    l2transport


    show l2vpn xconnect detail
    Wed Jun 22 11:36:05.614 UTC


    Group XXXXX, XC Sinaa, state is up; Interworking IPv4
    AC: GigabitEthernet0/2/0/2, state is up
    Type Ethernet
    MTU 1500; XC ID 0x2080002; interworking IPv4
    Statistics:
    packets: received 1088, sent 27
    bytes: received 69940, sent 1744
    drops: MTU exceeded 0, other 0
    PW: neighbor 172.31.1.2, PW ID 1, state is up ( established )
    PW class XXXXX, XC ID 0x2080002
    Encapsulation L2TPv3, protocol L2TPv3
    PW type IP, control word disabled, interworking IPv4
    PW backup disable delay 0 sec
    Sequencing not set


    L2TP class l2tp_default_class, IPv4 source address 172.31.1.1
    TOS 0 (reflect disabled), TTL 255, DF bit not set
    Path MTU: disabled
    Tunnel state connected, remote circuit status up
    L2TPv3 Local Remote
    --------------- ---------------------------- ---------------------------
    Session 3946569226 3272422562
    Cookie size 0 bytes 0 bytes
    Cookie unassigned unassigned
    MTU 1500 1500
    Control word disabled disabled
    PW type IP IP
    --------------- ---------------------------- ---------------------------
    Create time: 22/06/2016 11:20:30 (00:15:35 ago)
    Last time status changed: 22/06/2016 11:21:03 (00:15:02 ago)
    Statistics:
    packets: received 27, sent 1088
    bytes: received 1744, sent 69940
    drops: out of sequence 0, other 0
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  2. Padawan d4nz1g's Avatar
    Join Date
    May 2013
    Location
    Brazil
    Posts
    433

    Certifications
    CCIE RS, CCNP RS, CCNA RS, CCNA S, ITILF
    #2
    Is ARP resolution working?
    Are you using large packets?

    On XE, hit "show xconnect all detail" or something like that. It should give you clues about what is happening.
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