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German - Deutsch / dhcp-relay over OpenVPN-tunnel
« on: December 08, 2023, 05:42:18 pm »
Hallo,
ich habe das selbe Problem wie in
https://forum.opnsense.org/index.php?topic=27814.msg137798
OPNsense 23.7.9
lan
ethertype IPv4 (0x0800), length 342: (tos 0x0, ttl 128, id 57613, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 4c:d7:17:74:de:d9, length 300, xid 0x7db49ff6, secs 1024, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 4c:d7:17:74:de:d9
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Discover
Client-ID Option 61, length 7: ether 4c:d7:17:74:de:d9
Hostname Option 12, length 6: "xxxx"
Vendor-Class Option 60, length 8: "MSFT 5.0"
Parameter-Request Option 55, length 14:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Domain-Name
Router-Discovery, Static-Route, Vendor-Option, Netbios-Name-Server
Netbios-Node, Netbios-Scope, Option 119, Classless-Static-Route
Classless-Static-Route-Microsoft, Option 252
--> ovpn Tunnel
length 332: (tos 0x0, ttl 64, id 30160, offset 0, flags [none], proto UDP (17), length 328)
172.31.4.10.67 > 172.xx.xx.xx.67: [udp sum ok] BOOTP/DHCP, Request from 4c:d7:17:74:de:d9, length 300, hops 1, xid 0x7db49ff6, secs 1024, Flags [Broadcast] (0x8000)
Gateway-IP 172.29.3.1
Client-Ethernet-Address 4c:d7:17:74:de:d9
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Discover
Client-ID Option 61, length 7: ether 4c:d7:17:74:de:d9
Hostname Option 12, length 6: "xxxx"
Vendor-Class Option 60, length 8: "MSFT 5.0"
Parameter-Request Option 55, length 14:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Domain-Name
Router-Discovery, Static-Route, Vendor-Option, Netbios-Name-Server
Netbios-Node, Netbios-Scope, Option 119, Classless-Static-Route
Classless-Static-Route-Microsoft, Option 252
Agent-Information Option 82, length 6:
Circuit-ID SubOption 1, length 4: igb2
<-- ovpn Tunnel Antwort
length 341: (tos 0x0, ttl 126, id 31497, offset 0, flags [none], proto UDP (17), length 337)
172.xx.xx.xx.67 > 172.29.3.1.67: [udp sum ok] BOOTP/DHCP, Reply, length 309, xid 0x7db49ff6, Flags [Broadcast] (0x8000)
Your-IP 172.29.3.20
Server-IP 172.
Gateway-IP 172.29.3.1
Client-Ethernet-Address 4c:d7:17:74:de:d9
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Subnet-Mask Option 1, length 4: 255.255.255.0
RN Option 58, length 4: 1800
RB Option 59, length 4: 3150
Lease-Time Option 51, length 4: 3600
Server-ID Option 54, length 4: 172.xxxx
Default-Gateway Option 3, length 4: 172.29.3.1
Domain-Name-Server Option 6, length 8: 172.xxxxxx
Domain-Name Option 15, length 9: "xxx.xxxt^@"
Agent-Information Option 82, length 6:
Circuit-ID SubOption 1, length 4: igb2
und nun fehlt der Offer Broadcast ins LAN Netz
gibt es hierfür bereits eine Abhilfe, was kann ich tun.
Besten Dank
Gruß
Norbert
ich habe das selbe Problem wie in
https://forum.opnsense.org/index.php?topic=27814.msg137798
OPNsense 23.7.9
lan
ethertype IPv4 (0x0800), length 342: (tos 0x0, ttl 128, id 57613, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 4c:d7:17:74:de:d9, length 300, xid 0x7db49ff6, secs 1024, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 4c:d7:17:74:de:d9
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Discover
Client-ID Option 61, length 7: ether 4c:d7:17:74:de:d9
Hostname Option 12, length 6: "xxxx"
Vendor-Class Option 60, length 8: "MSFT 5.0"
Parameter-Request Option 55, length 14:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Domain-Name
Router-Discovery, Static-Route, Vendor-Option, Netbios-Name-Server
Netbios-Node, Netbios-Scope, Option 119, Classless-Static-Route
Classless-Static-Route-Microsoft, Option 252
--> ovpn Tunnel
length 332: (tos 0x0, ttl 64, id 30160, offset 0, flags [none], proto UDP (17), length 328)
172.31.4.10.67 > 172.xx.xx.xx.67: [udp sum ok] BOOTP/DHCP, Request from 4c:d7:17:74:de:d9, length 300, hops 1, xid 0x7db49ff6, secs 1024, Flags [Broadcast] (0x8000)
Gateway-IP 172.29.3.1
Client-Ethernet-Address 4c:d7:17:74:de:d9
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Discover
Client-ID Option 61, length 7: ether 4c:d7:17:74:de:d9
Hostname Option 12, length 6: "xxxx"
Vendor-Class Option 60, length 8: "MSFT 5.0"
Parameter-Request Option 55, length 14:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Domain-Name
Router-Discovery, Static-Route, Vendor-Option, Netbios-Name-Server
Netbios-Node, Netbios-Scope, Option 119, Classless-Static-Route
Classless-Static-Route-Microsoft, Option 252
Agent-Information Option 82, length 6:
Circuit-ID SubOption 1, length 4: igb2
<-- ovpn Tunnel Antwort
length 341: (tos 0x0, ttl 126, id 31497, offset 0, flags [none], proto UDP (17), length 337)
172.xx.xx.xx.67 > 172.29.3.1.67: [udp sum ok] BOOTP/DHCP, Reply, length 309, xid 0x7db49ff6, Flags [Broadcast] (0x8000)
Your-IP 172.29.3.20
Server-IP 172.
Gateway-IP 172.29.3.1
Client-Ethernet-Address 4c:d7:17:74:de:d9
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Subnet-Mask Option 1, length 4: 255.255.255.0
RN Option 58, length 4: 1800
RB Option 59, length 4: 3150
Lease-Time Option 51, length 4: 3600
Server-ID Option 54, length 4: 172.xxxx
Default-Gateway Option 3, length 4: 172.29.3.1
Domain-Name-Server Option 6, length 8: 172.xxxxxx
Domain-Name Option 15, length 9: "xxx.xxxt^@"
Agent-Information Option 82, length 6:
Circuit-ID SubOption 1, length 4: igb2
und nun fehlt der Offer Broadcast ins LAN Netz
gibt es hierfür bereits eine Abhilfe, was kann ich tun.
Besten Dank
Gruß
Norbert