c2960s 48lps l

ARP problems caused by C2960S tftpEnvironment: 1. management HOST: win7 (ip: 192.168.90.24/24) 2. vswitch: 10.108.0.5/24 model: C2960S (sw_ver: 15.0 (2) SE6) symptom: log on to the vswitch one day for debugging, save the configuration to the local machine tftp, and continue with some other operations, suddenly disconnected from the vswitch, the local machine can no longer Ping the vswitch. Handling process:

Company a device, Ws-c2960s-24ts-l, is the Cisco 24 Port 1000M Two layer Exchange Yang, the use of iOS version of 12.2 (UNIVERSALK9-M) iOS software, the company recently installed some digital cameras, The monitoring host and a billiard-type monitoring to the machine, the interface of the transmission rate is much larger than the rate of ordinary office, the following is the rate of the two interfaces I copied.G1/0/3 (Monitoring host interface)5 minut

int value in the Interface tab, view the OID value of the port on the current switch, and then use the OID value in Zabbix to monitor the switch port.The ports and OID values for Cisco switches are listed here1. C3750E PortIfinoctets #进口流量1.3.6.1.2.1.2.2.1.10. Ifoutoctets #出口流量1.3.6.1.2.1.2.2.1.16. 1 Vlan15179 StackPort15180 stacksub-st1-15181 Stacksub-st1-210101 GIGABITETHERNET1/0/110102 GIGABITETHERNET1/0/210103 GIGABITETHERNET1/0/310104 GIGABITETHERNET1/0/410105 GIGABITETHERNET1/0/510106 GIG

1. Pre-Preparation for upgrade LAP1142 :because LAP1142 cannot obtain an IP address, the console line is connected to the AP , and an error is reported, the log is as follows :*mar 1 00:00:44.491:%cdp_pd-2-power_low:all radios disabled-negotiatedws-c2960s-48lps-l (34bd.c8bc.5401)*mar 1 00:00:50.422:%capwap-3-errorlog:not sending discovery request apdoes not having an Ip!!*mar 1 00:01:00.422:%capwap-3-errorlog:not sending discovery request apdoes not h

indicates that the main port is a electrical port (Twisted Pair ), C indicates that the UPLINK interface is a Combo interface (Combo interface is a dual-purpose interface, which consists of two types: T (electrical port) and SFP (optical port, but only one interface can be used at a time), supporting T (electrical port) and SFP (optical port)-L represents the software image as the LAN BaseWS-C2970G-24TS-E structure is as follows: WS-C 2970G-24 TS-EWS-C description this product is vswitch 2970 r

multilayer Services (enhanced image software and intelligent multi-tier Service) The WS-C2975GS-48PS-L structure is as follows: Ws-c 2975 G S-48 ps-l Ws-c that this type of product is a switch 2975 represents the Switch series name G indicates the primary port rate is 10/100/1000mbps S indicates support for 1 groups of stacked ports -48 indicates the number of major p

Lab Environment:Routers make Tp-link set up NAT forwarding, Tp-link router gateway is set to 192.168.30.254 ( core layer) Cisco 35,503 layer switch (model C3550-I5Q3L2-M) configuration three Vlan,vlan 10, VLAN 20, and VLAN 30IP address for VLAN 10:192.168.10.1/24IP address for VLAN 20:192.168.20.1/24FA0/24 ports are configured as trunk port-level converged layer Cisco 2960 switch FA0/24 ports through VLAN 10 and VLAN 20IP address for VLAN 30:192.168.30.1/24 is mainly used for connecting with Tp

/0/5 10106 GIGABITETHERNET1/0/6 10107 GIGABITETHERNET1/0/7 10108 GIGABITETHERNET1/0/8 10109 GIGABITETHERNET1/0/9 10110 GIGABITETHERNET1/0/10 10111 GIGABITETHERNET1/0/11 10112 GIGABITETHERNET1/0/12 10113 GIGABITETHERNET1/1/1 10114 GIGABITETHERNET1/1/2 10115 GIGABITETHERNET1/1/3 10116 GIGABITETHERNET1/1/4 10201 TENGIGABITETHERNET1/1/1 10202 TENGIGABITETHERNET1/1/2 14501 Nul

value in the Interface tab, view the OID value of the current switch's port, and then use the OID value to monitor the switch port in Zabbix. Here is a list of the ports and OID values of several Cisco switches 1, c3750e Port Ifinoctets #进口流量1.3.6.1.2.1.2.2.1.10. Ifoutoctets #出口流量1.3.6.1.2.1.2.2.1.16. 1 Vlan1 5179 StackPort1 5180 stacksub-st1-1 5181 Stacksub-st1-2 10101 GIGABITETHERNET1/0/1 10102 GIGABITETHERNET1/0/2 10103 GIGABITETHERNET1/0/3 10104 GIGABITETHERNET1/0/4 10105 GIG