I am facing a difficulty with the IPoE module, see, after a good time of process activity, the concessions begin to be delivered with the subnet mask 255.255.255.255. I believe it is not a configuration problem since restarting the deamon works perfectly for a while. The problem is that the DHCP client does not have an exit to the default route and connectivity is affected.
NOTE: I Replace the Public IPv4 block prefix with xxx.xxx to preserve my identity, in the original log this information is correct.
Following problem logs:
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[2018-10-21 22:22:55]: info: ens224.202: recv [DHCPv4 Discover xid=397ab553 chaddr=4c:5e:0c:ba:5f:30 <Message-Type Discover> <Request-List Subnet,Classless-Route,Router,Route,DNS,NTP,138,Vendor-Specific> <Host-Name Chacara_Percio> <Client-ID 014c5e0cba5f30> <Relay-Agent {Agent-Circuit-ID 5A4E54532C0C1D66/11/14/202} {Agent-Remote-ID }>]
[2018-10-21 22:22:55]: info: ipoe23: create interface ipoe23 parent ens224.202
[2018-10-21 22:22:55]: debug: ipoe23: radius(1): req_enter 1
[2018-10-21 22:22:55]: info: ipoe23: send [RADIUS(1) Access-Request id=1 <User-Name "5A4E54532C0C1D66/11/14/202"> <NAS-Identifier "bras-1"> <NAS-IP-Address xxx.xxx.230.2> <NAS-Port 9725> <NAS-Port-Id "ipoe23"> <NAS-Port-Type Ethernet> <Calling-Station-Id "4c:5e:0c:ba:5f:30"> <Called-Station-Id "ens224.202"> <Acct-Session-Id "ef7141ce0cd8365c"> <User-Password 0x172e5292391fbaec2b78f901c10ae7c79e558745bdb9aae595e30700d36a7fac>]
[2018-10-21 22:22:55]: debug: ipoe23: radius(1): req_exit 0
[2018-10-21 22:22:55]: info: ipoe23: recv [RADIUS(1) Access-Accept id=1 <Acct-Interim-Interval 180> <Mikrotik-Rate-Limit "15360k/30720k 0/0 0/0 0/0 8">]
[2018-10-21 22:22:55]: info: ipoe23: 5A4E54532C0C1D66/11/14/202: authentication succeeded
[2018-10-21 22:22:55]: info: ipoe23: send [DHCPv4 Offer xid=397ab553 yiaddr=100.100.6.171 chaddr=4c:5e:0c:ba:5f:30 <Message-Type Offer> <Server-ID 100.100.6.1> <Lease-Time 600> <T1 300> <Router 100.100.6.1> <Subnet 255.255.255.255> <DNS xxx.xxx.230.26,8.8.8.8>]
[2018-10-21 22:22:55]: info: ipoe23: recv [DHCPv4 Request xid=397ab553 chaddr=4c:5e:0c:ba:5f:30 <Message-Type Request> <Server-ID 100.100.6.1> <Request-IP 100.100.6.171> <Request-List Subnet,Classless-Route,Router,Route,DNS,NTP,138,Vendor-Specific> <Host-Name Chacara_Percio> <Client-ID 014c5e0cba5f30> <Relay-Agent {Agent-Circuit-ID 5A4E54532C0C1D66/11/14/202} {Agent-Remote-ID }>]
[2018-10-21 22:22:55]: debug: ipoe23: ipoe: activate session
[2018-10-21 22:22:55]: debug: ipoe23: radius(2): req_enter 1
[2018-10-21 22:22:55]: info: ipoe23: send [RADIUS(2) Accounting-Request id=1 <User-Name "5A4E54532C0C1D66/11/14/202"> <NAS-Identifier "bras-1"> <NAS-IP-Address xxx.xxx.230.2> <NAS-Port 9725> <NAS-Port-Id "ipoe23"> <NAS-Port-Type Ethernet> <Calling-Station-Id "4c:5e:0c:ba:5f:30"> <Called-Station-Id "ens224.202"> <Acct-Status-Type Start> <Acct-Authentic RADIUS> <Acct-Session-Id "ef7141ce0cd8365c"> <Acct-Session-Time 0> <Acct-Input-Octets 0> <Acct-Output-Octets 0> <Acct-Input-Packets 0> <Acct-Output-Packets 0> <Acct-Input-Gigawords 0> <Acct-Output-Gigawords 0> <Framed-IP-Address 100.100.6.171>]
[2018-10-21 22:22:55]: info: ipoe23: send [DHCPv4 Ack xid=397ab553 yiaddr=100.100.6.171 chaddr=4c:5e:0c:ba:5f:30 <Message-Type Ack> <Server-ID 100.100.6.1> <Lease-Time 600> <T1 300> <Router 100.100.6.1> <Subnet 255.255.255.255> <DNS xxx.xxx.230.26,8.8.8.8>]
[2018-10-21 22:22:56]: debug: ipoe23: radius(2): req_exit 0
[2018-10-21 22:22:56]: info: ipoe23: recv [RADIUS(2) Accounting-Response id=1]
[2018-10-21 22:22:56]: info: ipoe23: ipoe: session started
[2018-10-21 22:22:56]: info: ipoe23: pppd_compat: ip-up started (pid 30086)
[2018-10-21 22:22:56]: debug: cli: disconnect
[2018-10-21 22:22:56]: info: ipoe23: pppd_compat: ip-up finished (0)
Here one who had active session and at the time of renewal received the wrong subnet mask:
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[2018-10-21 22:34:26]: info: ipoe123: recv [DHCPv4 Discover xid=a065b553 chaddr=18:a6:f7:70:a8:23 <Message-Type Discover> <Request-IP 100.100.6.132> <Max-Message-Size 1024> <Request-List Subnet,Router,Vendor-Specific,44,46,47,DNS,Route,Classless-Route,249> <Host-Name WR720N> <Vendor-Class 4d5346542039380025> <Client-ID 0118a6f770a823> <Relay-Agent {Agent-Circuit-ID 5A4E54532C0ED19D/11/2/202} {Agent-Remote-ID }>]
[2018-10-21 22:34:26]: info: ipoe123: send [DHCPv4 Offer xid=a065b553 yiaddr=100.100.6.132 chaddr=18:a6:f7:70:a8:23 <Message-Type Offer> <Server-ID 100.100.6.1> <Lease-Time 600> <T1 300> <Router 100.100.6.1> <Subnet 255.255.255.255> <DNS xxx.xxx.230.26,8.8.8.8>]
[2018-10-21 22:34:26]: info: ipoe123: recv [DHCPv4 Request xid=a065b553 chaddr=18:a6:f7:70:a8:23 <Message-Type Request> <Request-IP 100.100.6.132> <Server-ID 100.100.6.1> <Max-Message-Size 1024> <Request-List Subnet,Router,Vendor-Specific,44,46,47,DNS,Route,Classless-Route,249> <Host-Name WR720N> <Vendor-Class 4d5346542039380025> <Client-ID 0118a6f770a823> <Relay-Agent {Agent-Circuit-ID 5A4E54532C0ED19D/11/2/202} {Agent-Remote-ID }>]
[2018-10-21 22:34:26]: info: ipoe123: send [DHCPv4 Ack xid=a065b553 yiaddr=100.100.6.132 chaddr=18:a6:f7:70:a8:23 <Message-Type Ack> <Server-ID 100.100.6.1> <Lease-Time 600> <T1 300> <Router 100.100.6.1> <Subnet 255.255.255.255> <DNS xxx.xxx.230.26,8.8.8.8>]