组网及说明
问题描述
L2VPN 组网，基本配置如下，当前客户测试ping 测试超过1472 报文不通。
对端ping 测试：
本端ping 测试：
过程分析
配置梳理
|
# router id 100.66.19.30 # mpls lsr-id 100.66.19.30 mpls load-sharing mode per-packet # mpls ldp # tunnel-policy 1 select-seq lsp load-balance-number 2 # l2vpn enable # vsi test mtu 1600 pwsignaling ldp peer 100.66.19.2 pw-id 500 tunnel-policy 1 # interface LoopBack100 ip address 100.66.19.30 255.255.255.255 # interface GigabitEthernet0/0 port link-mode route mtu 1600 xconnect vsi test # interface GigabitEthernet0/11 port link-mode route description To-Customer-Line1 mtu 1600 ip address 192.168.10.2 255.255.255.0 mpls enable mpls ldp enable # interface GigabitEthernet0/12 port link-mode route description To-Customer-Line2 mtu 1600 ip address 192.168.20.2 255.255.255.0 mpls enable mpls ldp enable # # bgp 100 peer 100.66.19.2 as-number 100 peer 100.66.19.2 connect-interface LoopBack100 # address-family l2vpn peer 100.66.19.2 enable #
|
# router id 100.66.19.2 # mpls lsr-id 100.66.19.2 mpls load-sharing mode per-packet # l2vpn enable # vsi test mtu 1600 pwsignaling ldp peer 100.66.19.30 pw-id 500 tunnel-policy 1 # tunnel-policy 1 select-seq lsp load-balance-number 2 # interface GigabitEthernet0/0 port link-mode route mtu 1600 xconnect vsi test # interface GigabitEthernet0/1 port link-mode route description To-Switch mtu 1600 mpls mtu 1600 mpls ldp enable # interface LoopBack100 ip address 100.66.19.2 255.255.255.255 # interface GigabitEthernet0/1.3101 description Line1 traffic-statistic enable mtu 1600 ip address 192.168.10.1 255.255.255.0 mpls enable mpls mtu 1600 mpls ldp enable vlan-type dot1q vid 3101 # interface GigabitEthernet0/1.3102 description Line2 traffic-statistic enable mtu 1600 ip address 192.168.20.1 255.255.255.0 mpls enable mpls mtu 1600 mpls ldp enable vlan-type dot1q vid 3102 # # bgp 100 peer 100.66.19.30 as-number 100 peer 100.66.19.30 connect-interface LoopBack100 # address-family l2vpn peer 100.66.19.30 enable # |
镜像分析VPLS 的公网链路也没有发包，模式现网环境测试现象一致。
本地使用wirshark 抓包，发现终端发不出超过1472 -f 不分片报文
解决方法
终端不指定-F 参数
