To confirm, everything was working fine, simple upgrading the switch caused this issue.
Both CCR and CRS is running latest stable 6.48
Router: CCR 1009, RouterOS 6.48. Firmware also upgraded
Switch: crs328-24p-4s+rm RouterOS 6.48. Firmware also upgraded
Relevant Config on router: Simple DHCP server running on vlan 801.
Relevant Config on CRS-Switch:
Code: Select all
/interface bridge
add frame-types=admit-only-vlan-tagged ingress-filtering=yes name=bridge vlan-filtering=yes
/interface vlan
add interface=ether24 name=vlan801 vlan-id=801
/interface bridge port
add bridge=bridge comment=defconf interface=ether24
Ether 24 of the CRS is connected to ether7 of the CCR
So, the CRS is acting as a switch, all ports added to the bridge and tagged/untagged as per config
Log from the CCR:
Code: Select all
02:19:26 dhcp,warning dhcp3 offering lease 10.101.101.5 for C4:AD:34:d2:**:** without success
02:19:26 system,info log rule changed by Admin
02:19:28 dhcp,debug dhcp3 received discover id 794389348 from 0.0.0.0 '1:c4:ad:34:d2:**:**'
02:19:28 dhcp,debug,packet secs = 33
02:19:28 dhcp,debug,packet flags = broadcast
02:19:28 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:28 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:28 dhcp,debug,packet Msg-Type = discover
02:19:28 dhcp,debug,packet Parameter-List = Subnet-Mask,Classless-Route,Router,Static-Route,Domain-Server,NTP-Server,CAPWAP-Server,Vendor-Specific
02:19:28 dhcp,debug,packet Host-Name = "ISP-CRS-Switch"
02:19:28 dhcp,debug,packet Client-Id = 01-C4-AD-34-D2-D0-90
02:19:28 dhcp,debug lease found, offered, offer
02:19:28 dhcp,debug dhcp3 sending offer with id 794389348 to 255.255.255.255
02:19:28 dhcp,debug,packet flags = broadcast
02:19:28 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:28 dhcp,debug,packet yiaddr = 10.101.101.5
02:19:28 dhcp,debug,packet siaddr = 10.101.101.6
02:19:28 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:28 dhcp,debug,packet Msg-Type = offer
02:19:28 dhcp,debug,packet Server-Id = 10.101.101.6
02:19:28 dhcp,debug,packet Address-Time = 600
02:19:28 dhcp,debug,packet Subnet-Mask = 255.255.255.252
02:19:28 dhcp,debug,packet Router = 10.101.101.6
02:19:28 dhcp,debug,packet Domain-Server = 172.1.1.16,8.8.8.8
02:19:34 dhcp,debug dhcp3 received discover id 794389348 from 0.0.0.0 '1:c4:ad:34:d2:**:**'
02:19:34 dhcp,debug,packet secs = 39
02:19:34 dhcp,debug,packet flags = broadcast
02:19:34 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:34 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:34 dhcp,debug,packet Msg-Type = discover
02:19:34 dhcp,debug,packet Parameter-List = Subnet-Mask,Classless-Route,Router,Static-Route,Domain-Server,NTP-Server,CAPWAP-Server,Vendor-Specific
02:19:34 dhcp,debug,packet Host-Name = "ISP-CRS-Switch"
02:19:34 dhcp,debug,packet Client-Id = 01-C4-AD-34-D2-D0-90
02:19:34 dhcp,debug lease found, offered, offer
02:19:34 dhcp,debug 3 offers in a row => forcing broadcast
02:19:34 dhcp,debug dhcp3 sending offer with id 794389348 to 255.255.255.255
02:19:34 dhcp,debug,packet flags = broadcast
02:19:34 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:34 dhcp,debug,packet yiaddr = 10.101.101.5
02:19:34 dhcp,debug,packet siaddr = 10.101.101.6
02:19:34 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:34 dhcp,debug,packet Msg-Type = offer
02:19:34 dhcp,debug,packet Server-Id = 10.101.101.6
02:19:34 dhcp,debug,packet Address-Time = 600
02:19:34 dhcp,debug,packet Subnet-Mask = 255.255.255.252
02:19:34 dhcp,debug,packet Router = 10.101.101.6
02:19:34 dhcp,debug,packet Domain-Server = 172.1.1.16,8.8.8.8
02:19:38 dhcp,debug dhcp3 received discover id 794389348 from 0.0.0.0 '1:c4:ad:34:d2:**:**'
02:19:38 dhcp,debug,packet secs = 43
02:19:38 dhcp,debug,packet flags = broadcast
02:19:38 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:38 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:38 dhcp,debug,packet Msg-Type = discover
02:19:38 dhcp,debug,packet Parameter-List = Subnet-Mask,Classless-Route,Router,Static-Route,Domain-Server,NTP-Server,CAPWAP-Server,Vendor-Specific
02:19:38 dhcp,debug,packet Host-Name = "ISP-CRS-Switch"
02:19:38 dhcp,debug,packet Client-Id = 01-C4-AD-34-D2-D0-90
02:19:38 dhcp,debug lease found, offered, offer
02:19:38 dhcp,debug 4 offers in a row
02:19:38 dhcp,debug dhcp3 sending offer with id 794389348 to 255.255.255.255
02:19:38 dhcp,debug,packet flags = broadcast
02:19:38 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:38 dhcp,debug,packet yiaddr = 10.101.101.5
02:19:38 dhcp,debug,packet siaddr = 10.101.101.6
02:19:38 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:38 dhcp,debug,packet Msg-Type = offer
02:19:38 dhcp,debug,packet Server-Id = 10.101.101.6
02:19:38 dhcp,debug,packet Address-Time = 600
02:19:38 dhcp,debug,packet Subnet-Mask = 255.255.255.252
02:19:38 dhcp,debug,packet Router = 10.101.101.6
02:19:38 dhcp,debug,packet Domain-Server = 172.1.1.16,8.8.8.8
02:19:41 system,info,account user Admin logged in from 10.100.13.6 via telnet
02:19:44 dhcp,debug dhcp3 received discover id 794389348 from 0.0.0.0 '1:c4:ad:34:d2:**:**'
02:19:44 dhcp,debug,packet secs = 49
02:19:44 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:44 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:44 dhcp,debug,packet Msg-Type = discover
02:19:44 dhcp,debug,packet Parameter-List = Subnet-Mask,Classless-Route,Router,Static-Route,Domain-Server,NTP-Server,CAPWAP-Server,Vendor-Specific
02:19:44 dhcp,debug,packet Host-Name = "ISP-CRS-Switch"
02:19:44 dhcp,debug,packet Client-Id = 01-C4-AD-34-D2-D0-90
02:19:44 dhcp,debug lease found, offered, offer
02:19:44 dhcp,debug 5 offers in a row => no response, restarting with unicast
02:19:44 dhcp,warning dhcp3 offering lease 10.101.101.5 for C4:AD:34:d2:**:** without success
02:19:44 dhcp,debug dhcp3 sending offer with id 794389348 to 10.101.101.5
02:19:44 dhcp,debug,packet ciaddr = 0.0.0.0
02:19:44 dhcp,debug,packet yiaddr = 10.101.101.5
02:19:44 dhcp,debug,packet siaddr = 10.101.101.6
02:19:44 dhcp,debug,packet chaddr = C4:AD:34:d2:**:**
02:19:44 dhcp,debug,packet Msg-Type = offer
02:19:44 dhcp,debug,packet Server-Id = 10.101.101.6
02:19:44 dhcp,debug,packet Address-Time = 600
02:19:44 dhcp,debug,packet Subnet-Mask = 255.255.255.252
02:19:44 dhcp,debug,packet Router = 10.101.101.6
02:19:44 dhcp,debug,packet Domain-Server = 8.8.8.8