[HELP} DHCP Replay CCR-1009

beginer0504 · January 23, 2019, 4:45am

Hi,

I have problem DHCP Relay with Mikrotik

Network topoloy:

I config DHCP Replay:

But, Host (VLAN 13) don’t recive IP DHCP Server.

Please, support for me.

mkx · January 23, 2019, 7:23am

I suggest you to use /tool sniffer on different CCR interfaces to check where those DHCP requests/replies get lost …

tromideh · January 23, 2019, 7:35am

Hi
export and attach the config
save DHCP request and relay log and attache here

beginer0504 · January 23, 2019, 8:16am

Tks, you can guide in more detail than wise

beginer0504 · January 23, 2019, 8:18am

I first used the device, can you guide me in more detail

tromideh · January 23, 2019, 8:30am

in terminal type
export
and copy terminal output and paste here

beginer0504 · January 23, 2019, 8:40am

model = CCR1009-7G-1C-1S+

serial number = 914F081A2757

/interface bridge
add fast-forward=no name=bridge-vlan10
add name=bridge-vlan13
add fast-forward=no name="bridge1-Native vlan"

/interface pppoe-client

/interface vlan
add interface=ether3 name=vlan10 vlan-id=10
add interface=ether3 name=vlan13 vlan-id=13

/interface wireless security-profiles
set [ find default=yes ] supplicant-identity=MikroTik

/interface bridge port
add bridge="bridge1-Native vlan" interface=ether6
add bridge="bridge1-Native vlan" interface=ether5
add bridge=bridge-vlan10 interface=vlan10
add bridge=bridge-vlan13 interface=vlan13

/ip address
add address=192.168.99.2/29 interface="bridge1-Native vlan" network=192.168.99.0
add address=192.168.100.2/24 interface=bridge-vlan10 network=192.168.100.0
add address=10.10.13.2/24 interface=bridge-vlan13 network=10.10.13.0

/ip dhcp-relay
add dhcp-server=192.168.100.10 disabled=no interface=bridge-vlan10 local-address=
192.168.100.2 name=relay-vlan10
add dhcp-server=192.168.100.10 disabled=no interface=bridge-vlan13 local-address=10.10.13.2
name=relay-vlan13

/ip dns
set servers=8.8.8.8

/ip firewall nat
add action=masquerade chain=srcnat out-interface=VNPT
add action=dst-nat chain=dstnat dst-port=1433 in-interface=VNPT protocol=tcp to-addresses=
192.168.1.9 to-ports=1433

tromideh · January 23, 2019, 9:02am

tell us about volktek configuration

beginer0504 · January 23, 2019, 9:19am

SW config:

Port 25 trunk with Mikrotik
VLAN 10: Management
VLAN 13:

Port 20 test recive IP from DHCP Server.

"SWVP#show vlan
Vlan: 1
Name: VLAN1
Member port(s): 1-28
Tagged port(s): None
Dynamic port(s): None
Untagged port(s): 1-28

Vlan: 10
Name: VP
Member port(s): 1-19,25-28
Tagged port(s): 1-4,25-26
Dynamic port(s): None
Untagged port(s): 5-19,27-28

Vlan: 13
Name: TCKT
Member port(s): 1-5,20,25-26
Tagged port(s): 1-5,25-26
Dynamic port(s): None
Untagged port(s): 20"

tromideh · January 23, 2019, 9:23am

check CCR and DHCP Server Connectivity
check DHCP Service working properly
check dhcp request traffic log on vlan 10

beginer0504 · January 23, 2019, 9:29am

Hjx, sr but can you guide step by step?

tromideh · January 23, 2019, 10:51am

check DHCP server interface connected to switch interface that memeber on VLAN 10
check connectivity with this command
/ping 192.168.100.10 src-address=10.10.13.2

beginer0504 · January 24, 2019, 1:23am

Hi bro,
/ping 192.168.100.10 src-address=10.10.13.2
SEQ HOST
0 192.168.100.10
1 192.168.100.10
2 192.168.100.10
3 192.168.100.10
4 192.168.100.10
5 192.168.100.10
6 192.168.100.10
7 192.168.100.10
8 192.168.100.10
9 192.168.100.10
10 192.168.100.10
11 192.168.100.10
12 192.168.100.10
sent=13 received=13 packet-loss=0