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Athelney
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Topic Author
Posts: 4
Joined: Sat Sep 07, 2024 2:35 pm

Devices with static leases can't connect after upgrade to v6.49.18

Sun Mar 16, 2025 1:27 pm

Hi,
I've just upgraded my hEX s router from RouterOS 6.49.17 to 6.49.18 and, following the upgrade, I have found that two of the devices to which I had assigned static DHCP leases were not able to connect and just sit there in a waiting state. All the devices just using standard DHCP connected up quite happily.
In my configuration I have assigned static DHCP leases to 4 devices; 2 of them are RouterOS WAPs under Capsman control and the other 2 consist of a NAS device and a network monitor device. It is the latter 2 which are no longer able to connect. In the following config these two are the ones without a client-id.
I have rebooted both of these devices, as well as the router, multiple times, I have changed the leases for the devices to DHCP, I have removed the leases from the configuration and later reinstated them, all to no avail.
I would be grateful for any advice on how I might resolve this issue.

Thanks,
Ath

Config
=====
# mar/15/2025 23:55:27 by RouterOS 6.49.18
# software id = XXXXXXXXX
#
# model = RB760iGS
# serial number = XXXXXXXXXXXX
/interface bridge
add admin-mac=XX:XX:XX:XX:XX:XX auto-mac=no comment=defconf name=bridge
/interface ethernet
set [ find default-name=sfp1 ] disabled=yes
/interface pppoe-client
add add-default-route=yes allow=chap interface=ether1 max-mtu=1492 name=\
    pppoe-out1 password=XXXXX use-peer-dns=yes user=\
    XXXXXXXX
/caps-man configuration
add country="united kingdom" datapath.bridge=bridge name=config1 \
    security.authentication-types=wpa-psk,wpa2-psk security.passphrase=\
    XXXX ssid=XXXX
/interface list
add comment=defconf name=WAN
add comment=defconf name=LAN
/interface wireless security-profiles
set [ find default=yes ] supplicant-identity=MikroTik
/ip pool
add name=dhcp ranges=192.168.1.12-192.168.1.254
/ip dhcp-server
add address-pool=dhcp disabled=no interface=bridge lease-time=11h59m name=\
    defconf
/port
set 0 name=serial0
/user group
set full policy="local,telnet,ssh,ftp,reboot,read,write,policy,test,winbox,pas\
    sword,web,sniff,sensitive,api,romon,dude,tikapp"
/caps-man manager
set enabled=yes
/caps-man manager interface
set [ find default=yes ] forbid=yes
add disabled=no interface=bridge
/caps-man provisioning
add action=create-dynamic-enabled master-configuration=config1
/interface bridge port
add bridge=bridge comment=defconf interface=ether2
add bridge=bridge comment=defconf interface=ether3
add bridge=bridge comment=defconf interface=ether4
add bridge=bridge comment=defconf interface=ether5
add bridge=bridge comment=defconf interface=sfp1
/ip neighbor discovery-settings
set discover-interface-list=LAN
/interface detect-internet
set internet-interface-list=WAN
/interface list member
add comment=defconf interface=bridge list=LAN
add comment=defconf interface=ether1 list=WAN
add interface=pppoe-out1 list=WAN
/ip address
add address=192.168.1.1/24 comment=defconf interface=bridge network=\
    192.168.1.0
/ip arp
add address=192.168.1.80 interface=bridge mac-address=XX:XX:XX:XX:XX:XX
/ip dhcp-client
add comment=defconf disabled=no interface=ether1
add interface=bridge
/ip dhcp-server lease
add address=192.168.1.6 client-id=xxxx mac-address=\
    XX:XX:XX:XX:XX:XX server=defconf
add address=192.168.1.4 client-id=xxxx mac-address=\
    XX:XX:XX:XX:XX:XX server=defconf
add address=192.168.1.8 mac-address=XX:XX:XX:XX:XX:XX server=defconf
add address=192.168.1.15 mac-address=XX:XX:XX:XX:XX:XX server=defconf
/ip dhcp-server network
add address=192.168.1.0/24 comment=defconf gateway=192.168.1.1 netmask=24
/ip dns
set allow-remote-requests=yes servers=8.8.8.8,8.8.4.4
/ip dns static
add address=192.168.1.1 name=router.lan
add address=192.168.1.182 comment="Media Server" name=HonkyTwonky ttl=12h
/ip firewall filter
add action=accept chain=input comment=\
    "defconf: accept established,related,untracked" connection-state=\
    established,related,untracked
add action=drop chain=input comment="defconf: drop invalid" connection-state=\
    invalid
add action=accept chain=input comment="defconf: accept ICMP" protocol=icmp
add action=drop chain=input comment="defconf: drop all not coming from LAN" \
    in-interface-list=!LAN
add action=accept chain=forward comment="defconf: accept in ipsec policy" \
    ipsec-policy=in,ipsec
add action=accept chain=forward comment="defconf: accept out ipsec policy" \
    ipsec-policy=out,ipsec
add action=fasttrack-connection chain=forward comment="defconf: fasttrack" \
    connection-state=established,related
add action=accept chain=forward comment=\
    "defconf: accept established,related, untracked" connection-state=\
    established,related,untracked
add action=drop chain=forward comment="defconf: drop invalid" \
    connection-state=invalid
add action=drop chain=forward comment=\
    "defconf: drop all from WAN not DSTNATed" connection-nat-state=!dstnat \
    connection-state=new in-interface-list=WAN
/ip firewall nat
add action=masquerade chain=srcnat comment="defconf: masquerade" \
    ipsec-policy=out,none out-interface=ether1 out-interface-list=WAN
/ip service
set telnet disabled=yes
set ftp disabled=yes
set api disabled=yes
set api-ssl disabled=yes
/ip upnp
set enabled=yes
/system clock
set time-zone-name=Europe/Sarajevo
/system identity
set name=MikroTikMain
/system routerboard settings
set auto-upgrade=yes
/tool mac-server
set allowed-interface-list=LAN
/tool mac-server mac-winbox
set allowed-interface-list=LAN
 
Athelney
just joined
Topic Author
Posts: 4
Joined: Sat Sep 07, 2024 2:35 pm

Re: Devices with static leases can't connect after upgrade to v6.49.18  [SOLVED]

Sun Mar 16, 2025 6:05 pm

Oops... turns out that one of my network switches died in the same few minutes that the router upgrade was happening.