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Téma: Mikrotik RB 750gr2 IP adresa

12.10.2020 07:10
JuraS.Zakoupil jsem z druhé ruky Mikrotik RB 750gr2. Kompletní balení. Nastavil jsem FW podle https://help.mikrotik.com/docs/display/ROS/Reset+Button
Problém je že na ether1 by měla byt adresa 192.168.88.1 viz. https://help.mikrotik.com/docs/display/ROS/First+Time+Configuration ale není. Zkoušel jsem ji najít kabelem přímo do PC i přes cisco swich, ten vidí MAC adresu ale ne IP. Wireshark mi taky najde že je na síti ale bez IP. Kde může být problém? Winbox vůbec nenajde. V čem tedy je problém?
13.10.2020 07:00
JuraS.Tohle je výpis z wiresharku:
No. Time Source Destination Protocol Length Info
49 10.105484 Routerbo_40:64:2a CDP/VTP/DTP/PAgP/UDLD CDP 87 Device ID: MikroTik Port ID: ether1

Frame 49: 87 bytes on wire (696 bits), 87 bytes captured (696 bits) on interface \Device\NPF_{43D8E4FF-E530-4D8A-BA72-2A83874704DF}, id 0
Interface id: 0 (\Device\NPF_{43D8E4FF-E530-4D8A-BA72-2A83874704DF})
Encapsulation type: Ethernet (1)
Arrival Time: Oct 13, 2020 18:50:16.631038000 Střední Evropa (letní čas)
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1602607816.631038000 seconds
[Time delta from previous captured frame: 0.131073000 seconds]
[Time delta from previous displayed frame: 0.131073000 seconds]
[Time since reference or first frame: 10.105484000 seconds]
Frame Number: 49
Frame Length: 87 bytes (696 bits)
Capture Length: 87 bytes (696 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:llc:cdp]
[Coloring Rule Name: Routing]
[Coloring Rule String: hsrp || eigrp || ospf || bgp || cdp || vrrp || carp || gvrp || igmp || ismp]
IEEE 802.3 Ethernet
Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
Address: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Routerbo_40:64:2a (e4:8d:8c:40:64:2a)
Address: Routerbo_40:64:2a (e4:8d:8c:40:64:2a)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Length: 73
Logical-Link Control
DSAP: SNAP (0xaa)
SSAP: SNAP (0xaa)
Control field: U, func=UI (0x03)
Organization Code: 00:00:0c (Cisco Systems, Inc)
PID: CDP (0x2000)
Cisco Discovery Protocol
Version: 1
TTL: 120 seconds
Checksum: 0xc6a9 [correct]
[Checksum Status: Good]
Device ID: MikroTik
Port ID: ether1
Capabilities
Software Version
Platform: MikroTik

No. Time Source Destination Protocol Length Info
50 10.105514 Routerbo_40:64:2a LLDP_Multicast LLDP 98 MA/e4:8d:8c:40:64:2a IN/ether1 120 SysN=MikroTik SysD=MikroTik RouterOS 6.47.2 (stable) RB750Gr2

Frame 50: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) on interface \Device\NPF_{43D8E4FF-E530-4D8A-BA72-2A83874704DF}, id 0
Interface id: 0 (\Device\NPF_{43D8E4FF-E530-4D8A-BA72-2A83874704DF})
Encapsulation type: Ethernet (1)
Arrival Time: Oct 13, 2020 18:50:16.631068000 Střední Evropa (letní čas)
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1602607816.631068000 seconds
[Time delta from previous captured frame: 0.000030000 seconds]
[Time delta from previous displayed frame: 0.000030000 seconds]
[Time since reference or first frame: 10.105514000 seconds]
Frame Number: 50
Frame Length: 98 bytes (784 bits)
Capture Length: 98 bytes (784 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ethertype:lldp]
[Coloring Rule Name: Broadcast]
[Coloring Rule String: eth[0] & 1]
Ethernet II, Src: Routerbo_40:64:2a (e4:8d:8c:40:64:2a), Dst: LLDP_Multicast (01:80:c2:00:00:0e)
Destination: LLDP_Multicast (01:80:c2:00:00:0e)
Address: LLDP_Multicast (01:80:c2:00:00:0e)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Routerbo_40:64:2a (e4:8d:8c:40:64:2a)
Address: Routerbo_40:64:2a (e4:8d:8c:40:64:2a)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: 802.1 Link Layer Discovery Protocol (LLDP) (0x88cc)
Trailer: 100000
Link Layer Discovery Protocol
Chassis Subtype = MAC address, Id: e4:8d:8c:40:64:2a
Port Subtype = Interface name, Id: ether1
Time To Live = 120 sec
System Name = MikroTik
System Description = MikroTik RouterOS 6.47.2 (stable) RB750Gr2
Capabilities
End of LLDPDU
14.10.2020 01:23
zsdxJakou adresu (a od ceho) ma v tu chvili PC?
Pripoj RB primo k PC, spust aktualni winbox na zalozce Neighbour a pokud nic nenalezne ani tam, zadej MAC do pole Connect to.
Muzes vyzkouset i nasledujici - opakuj reset a nahraj pres netinstall jiny firmware.
14.10.2020 02:33
JuraS.Díky na MAC adresu reaguje