现场两台S12508F-AF设备,版本R1150,做堆叠,做了MDC:
mdc MDCD id 5
location chassis 1 slot 4
location chassis 2 slot 4
mdc start
allocate interface Ten-GigabitEthernet1/4/0/25 to Ten-GigabitEthernet1/4/0/48
allocate interface Ten-GigabitEthernet2/4/0/25 to Ten-GigabitEthernet2/4/0/48
现场的SOLT 4的前24口在MDC 4里, solt4的后24口在MDC 5里。
现场其中一台虚拟设备MDC 5上dis mac 看不到任何的mac,其他虚拟交换机正常,在该虚拟设备MDC 5诊断里能看到arp。
可以正常看到arp:
Type: S-Static D-Dynamic O-Openflow R-Rule M-Multiport I-Invalid
IP address MAC address VID Interface/Link ID Aging Type
9.31.132.45 c80c-c8f0-1fd1 21 BAGG11 12 D
19.0.17.5 f875-8881-bceb 22 BAGG12 15 D
但看不到Mac:
[NJ-JP-GX-VD-15.MAN.S12508]dis mac-address
MAC Address VLAN ID State Port/NickName Aging
(1)
(2)
[NJ-JP-GX-VD-15.MAN.S12508-probe]bcm chassis 1 slot 4 chip 1 l2/show/count
--- 0 mac address(es) found ---
[NJ-JP-GX-VD-15.MAN.S12508-probe]bcm chassis 2 slot 4 chip 1 l2/show/count
--- 1439 mac address(es) found ---
(3)
[NJ-JP-GX-VD-15.MAN.S12508-probe]dis parity-error c 1 s 4
Nov 18 2018 17:10:59:685830:unit 1:name=IHP_ParityErrInt, id=428, index=0, block=0, unit=1, recurring_action=0 | EM SER: nof_occurences=0001, cnt_overflowf=0x0, memory address=0x0050f648 memory=IHP_MACT_KEYT_H_1, array element=1, index=30280 | IHP EM
(4)
(1)
(2)
相关思考:
S12500X-AF设备的FX单板都是ARAD芯片,该芯片三层不学习MAC,如果想要学习MAC需要将MAC配置成入方向学习,命令行:mac-address mac-learning ingress,因此在遇到学习不到mac的情况时,先敲该命令看能否恢复,不能恢复再看是不是底层硬件表项的问题。
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