不涉及
某局点5130S-EI设备下挂组播源和组播接收者,设备上使能IGMP-snooping,组播源发送组播报文之后,设备的上行口几分钟之内被组播报文打满,带宽利用率达到100%,导致和上行网络通信异常
1、查看上行接口,可以看到上行接口output方向的带宽利用率已经被打满
display interface Bridge-Aggregation 101
Bridge-Aggregation101
Current state: UP
Line protocol state: UP
IP packet frame type: Ethernet II, hardware address: 9c06-5c82-32c3
Description: Bridge-Aggregation101 Interface
Bandwidth: 2000000 kbps
2Gbps-speed mode, full-duplex mode
Link speed type is autonegotiation, link duplex type is autonegotiation
PVID: 1
Port link-type: Trunk
VLAN Passing: 1(default vlan), 65-79, 3016-3019
VLAN permitted: 1(default vlan), 2-4094
Trunk port encapsulation: IEEE 802.1q
Last clearing of counters: Never
Last 300 seconds input: 63 packets/sec 5340 bytes/sec 0%
Last 300 seconds output: 183050 packets/sec 246354250 bytes/sec 100%
Input (total): 225397 packets, 18389254 bytes
23069 unicasts, 157228 broadcasts, 45100 multicasts, 0 pauses
Input (normal): 225397 packets, - bytes
23069 unicasts, 157228 broadcasts, 45100 multicasts, 0 pauses
Input: 0 input errors, 0 runts, 0 giants, 0 throttles
0 CRC, 0 frame, - overruns, 0 aborts
- ignored, - parity errors
Output (total): 607593879 packets, 817655701112 bytes
36177 unicasts, 23064 broadcasts, 607534638 multicasts, 0 pauses
Output (normal): 607593937 packets, - bytes
36177 unicasts, 23064 broadcasts, 607534696 multicasts, 0 pauses
Output: 0 output errors, - underruns, - buffer failures
0 aborts, 0 deferred, 0 collisions, 0 late collisions
0 lost carrier, - no carrier
2、查看组播相关配置,相关vlan开启了igmp-snooping功能
vlan 75
igmp-snooping enable
igmp-snooping drop-unknown
igmp-snooping querier
igmp-snooping query-interval 30
igmp-snooping general-query source-ip 1.1.1.1
igmp-snooping special-query source-ip 1.1.1.1
3、查看igmp-snooping表项,可以看到上行接口加入到了router ports
display igmp-snooping router-port
VLAN 75:
Router ports (1 in total):
BAGG101 (00:02:33)
5130S设备上起了查询器,正常来说应该不会有router port,和现场确认之后,上行设备使能了三层组播相关配置,导致5130S上行口被加入了router ports,5130S下面连接的组播源发送的组播报文会从router ports发送出去,导致上行设备带宽打满
1、现场上行网络没有其他组播业务,可以删除上行设备的三层组播配置
2、删除5130S设备上的查询区配置
按照现场实际组网,选用两种方法之一
该案例暂时没有网友评论
✖
案例意见反馈
亲~登录后才可以操作哦!
确定你的邮箱还未认证,请认证邮箱或绑定手机后进行当前操作