Dump attached
Best Regards, theMIROn
ICQ: 303357
Skype: the.miron
> -----Original Message-----
> From: Vladislav Grishenko [mailto:[email protected]]
> Sent: Thursday, October 21, 2010 3:22 AM
> To: 'Denys Vlasenko'
> Cc: '[email protected]'
> Subject: RE: FW: udhcpc: DHCP packet size and friends
>
> > From: Denys Vlasenko
> > Sent: Thursday, October 21, 2010 1:43 AM
> > To: Vladislav Grishenko
> > Cc: [email protected]
> > Subject: Re: FW: udhcpc: DHCP packet size and friends
> >
> > > It doesn't need to be configurable, or we could face with no huge
> > > packets are accepted.
> >
> > ?
> It should be at maximum for the long run to accept any huge packets.
> Same dangerous configurable thing as
> FEATURE_SYSLOGD_READ_BUFFER_SIZE, which should be de-facto 1024
> miminum.
>
> > > > > Second way is to include actual MSZ to DISCOVER, REQUEST and
> > > > > INFORM packets, rfc says that client may do it.
> > > >
> > > > Yes, I think we can do this, if it convinces some servers to not
> > > > send
> > > oversize
> > > > packets.
> > > It forces servers to not to continue to fill the options buffer, and
> > > to start using file/sname override. It expands options, but not
> > > sufficient for a possible large routes lists.
> > >
> > > > > Actual MSZ means it should be set to sizeof(struct
> > > > > ip_udp_dhcp_packet), if it less than current interface MTU. If
> > > > > struct size is equal or greater then MTU, we really doesn't need
> > > > > to set MSZ, no oversized broadcast packets could arrive which
> > > > > could be sent with
> > > pmtu
> > > > assumption.
> > > > > In the simple case, we have to get MTU on start, but there's
> > > > > need of interface mtu polling on every outgoing packet.
> > > >
> > > > How about just using DHCP_MAX_SIZE = 576 always, without regard to
> > MTU?
> > > > I bet not many people run on networks with MTU smaller than that
> > > > (is it
> > > even
> > > > allowed by IP protocol to have MTU < 576?).
> > > It could be the solution, but any large packets which don't fit in
> > > 576 bytes will be lost.
> > > I've seen 572 packets (without override), and it's almost the limit.
> > > So, forcing MSZ to 576 is really could be wrong, not now, but
tomorrow.
> >
> > Show me example packets where 0.5k is not enough.
>
> Here tcpdump's log. And I'm afraid that the number of routes will grow
over
> the time.
>
> > BTW, unrelated fixes should be in separate patches.
> Ok, original mtu reading was related.
>
> Best Regards, theMIROn
>
$ tcpdump -i vlan2 -s 1500 -n -vvv port 67 or port 68
tcpdump: WARNING: vlan2: no IPv4 address assigned
tcpdump: listening on vlan2, link-type EN10MB (Ethernet), capture size 1500
bytes
03:05:23.842600 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 317)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from
e0:cb:4e:fe:24:78, length 289, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Discover
Client-ID Option 61, length 7: ether e0:cb:4e:fe:24:78
Vendor-Class Option 60, length 12: "udhcp 1.17.2"
Requested-IP Option 50, length 4: 10.220.2.13
MSZ Option 57, length 2: 576
Parameter-Request Option 55, length 10:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
Domain-Name, BR, Static-Route, NTP
Classless-Static-Route, Classless-Static-Route-Microsoft
END Option 255, length 0
03:05:23.860659 IP (tos 0x0, ttl 61, id 59814, offset 0, flags [DF], proto UDP
(17), length 596)
10.7.19.18.67 > 10.220.2.13.68: [udp sum ok] BOOTP/DHCP, Reply, length 568,
hops 2, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Your-IP 10.220.2.13
Gateway-IP 10.7.19.18
Client-Ethernet-Address e0:cb:4e:fe:24:78
file "M-yLM-D^JM-\"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Server-ID Option 54, length 4: 83.102.233.196
Lease-Time Option 51, length 4: 604800
Subnet-Mask Option 1, length 4: 255.255.248.0
Default-Gateway Option 3, length 4: 10.220.0.1
Domain-Name-Server Option 6, length 8: 85.21.192.3,213.234.192.8
Static-Route Option 33, length 104:
(89.179.135.67:10.220.0.1),(195.14.50.26:10.220.0.1),(195.14.50.16:10.220.0.1),(85.21.52.254:10.220.0.1),(85.21.88.130:10.220.0.1),(195.14.50.93:10.220.0.1),(195.14.50.21:10.220.0.1),(194.67.1.130:10.220.0.1),(194.67.1.115:10.220.0.1),(194.67.1.14:10.220.0.1),(194.67.18.19:10.220.0.1),(194.67.1.13:10.220.0.1),(194.67.18.72:10.220.0.1)
Classless-Static-Route Option 121, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
Classless-Static-Route-Microsoft Option 249, length 51:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),[ERROR:
Remaining length (2) < 7 bytes]
OO Option 52, length 1: file
03:05:23.880595 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 319)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from
e0:cb:4e:fe:24:78, length 291, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Client-ID Option 61, length 7: ether e0:cb:4e:fe:24:78
Vendor-Class Option 60, length 12: "udhcp 1.17.2"
Requested-IP Option 50, length 4: 10.220.2.13
Server-ID Option 54, length 4: 83.102.233.196
Parameter-Request Option 55, length 10:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
Domain-Name, BR, Static-Route, NTP
Classless-Static-Route, Classless-Static-Route-Microsoft
END Option 255, length 0
03:05:23.896524 IP (tos 0x0, ttl 61, id 59820, offset 0, flags [DF], proto UDP
(17), length 690)
10.7.19.18.67 > 10.220.2.13.68: [udp sum ok] BOOTP/DHCP, Reply, length 662,
hops 2, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Your-IP 10.220.2.13
Gateway-IP 10.7.19.18
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 83.102.233.196
Lease-Time Option 51, length 4: 604800
Subnet-Mask Option 1, length 4: 255.255.248.0
Default-Gateway Option 3, length 4: 10.220.0.1
Domain-Name-Server Option 6, length 8: 85.21.192.3,213.234.192.8
Static-Route Option 33, length 104:
(89.179.135.67:10.220.0.1),(195.14.50.26:10.220.0.1),(195.14.50.16:10.220.0.1),(85.21.52.254:10.220.0.1),(85.21.88.130:10.220.0.1),(195.14.50.93:10.220.0.1),(195.14.50.21:10.220.0.1),(194.67.1.130:10.220.0.1),(194.67.1.115:10.220.0.1),(194.67.1.14:10.220.0.1),(194.67.18.19:10.220.0.1),(194.67.1.13:10.220.0.1),(194.67.18.72:10.220.0.1)
Classless-Static-Route Option 121, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
Classless-Static-Route-Microsoft Option 249, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
END Option 255, length 0
PAD Option 0, length 0, occurs 20
03:05:26.903604 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 319)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from
e0:cb:4e:fe:24:78, length 291, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Client-ID Option 61, length 7: ether e0:cb:4e:fe:24:78
Vendor-Class Option 60, length 12: "udhcp 1.17.2"
Requested-IP Option 50, length 4: 10.220.2.13
Server-ID Option 54, length 4: 83.102.233.196
Parameter-Request Option 55, length 10:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
Domain-Name, BR, Static-Route, NTP
Classless-Static-Route, Classless-Static-Route-Microsoft
END Option 255, length 0
03:05:26.926272 IP (tos 0x0, ttl 61, id 59826, offset 0, flags [DF], proto UDP
(17), length 690)
10.7.19.18.67 > 10.220.2.13.68: [udp sum ok] BOOTP/DHCP, Reply, length 662,
hops 2, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Your-IP 10.220.2.13
Gateway-IP 10.7.19.18
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 83.102.233.196
Lease-Time Option 51, length 4: 604800
Subnet-Mask Option 1, length 4: 255.255.248.0
Default-Gateway Option 3, length 4: 10.220.0.1
Domain-Name-Server Option 6, length 8: 85.21.192.3,213.234.192.8
Static-Route Option 33, length 104:
(89.179.135.67:10.220.0.1),(195.14.50.26:10.220.0.1),(195.14.50.16:10.220.0.1),(85.21.52.254:10.220.0.1),(85.21.88.130:10.220.0.1),(195.14.50.93:10.220.0.1),(195.14.50.21:10.220.0.1),(194.67.1.130:10.220.0.1),(194.67.1.115:10.220.0.1),(194.67.1.14:10.220.0.1),(194.67.18.19:10.220.0.1),(194.67.1.13:10.220.0.1),(194.67.18.72:10.220.0.1)
Classless-Static-Route Option 121, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
Classless-Static-Route-Microsoft Option 249, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
END Option 255, length 0
PAD Option 0, length 0, occurs 20
03:05:29.938602 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 319)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from
e0:cb:4e:fe:24:78, length 291, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Client-ID Option 61, length 7: ether e0:cb:4e:fe:24:78
Vendor-Class Option 60, length 12: "udhcp 1.17.2"
Requested-IP Option 50, length 4: 10.220.2.13
Server-ID Option 54, length 4: 83.102.233.196
Parameter-Request Option 55, length 10:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
Domain-Name, BR, Static-Route, NTP
Classless-Static-Route, Classless-Static-Route-Microsoft
END Option 255, length 0
03:05:29.963483 IP (tos 0x0, ttl 61, id 59832, offset 0, flags [DF], proto UDP
(17), length 690)
10.7.19.18.67 > 10.220.2.13.68: [udp sum ok] BOOTP/DHCP, Reply, length 662,
hops 2, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Your-IP 10.220.2.13
Gateway-IP 10.7.19.18
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 83.102.233.196
Lease-Time Option 51, length 4: 604800
Subnet-Mask Option 1, length 4: 255.255.248.0
Default-Gateway Option 3, length 4: 10.220.0.1
Domain-Name-Server Option 6, length 8: 85.21.192.3,213.234.192.8
Static-Route Option 33, length 104:
(89.179.135.67:10.220.0.1),(195.14.50.26:10.220.0.1),(195.14.50.16:10.220.0.1),(85.21.52.254:10.220.0.1),(85.21.88.130:10.220.0.1),(195.14.50.93:10.220.0.1),(195.14.50.21:10.220.0.1),(194.67.1.130:10.220.0.1),(194.67.1.115:10.220.0.1),(194.67.1.14:10.220.0.1),(194.67.18.19:10.220.0.1),(194.67.1.13:10.220.0.1),(194.67.18.72:10.220.0.1)
Classless-Static-Route Option 121, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
Classless-Static-Route-Microsoft Option 249, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
END Option 255, length 0
PAD Option 0, length 0, occurs 20
03:05:32.976603 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 319)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from
e0:cb:4e:fe:24:78, length 291, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Client-ID Option 61, length 7: ether e0:cb:4e:fe:24:78
Vendor-Class Option 60, length 12: "udhcp 1.17.2"
Requested-IP Option 50, length 4: 10.220.2.13
Server-ID Option 54, length 4: 83.102.233.196
Parameter-Request Option 55, length 10:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
Domain-Name, BR, Static-Route, NTP
Classless-Static-Route, Classless-Static-Route-Microsoft
END Option 255, length 0
03:05:32.993443 IP (tos 0x0, ttl 61, id 59838, offset 0, flags [DF], proto UDP
(17), length 690)
10.7.19.18.67 > 10.220.2.13.68: [udp sum ok] BOOTP/DHCP, Reply, length 662,
hops 2, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Your-IP 10.220.2.13
Gateway-IP 10.7.19.18
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 83.102.233.196
Lease-Time Option 51, length 4: 604800
Subnet-Mask Option 1, length 4: 255.255.248.0
Default-Gateway Option 3, length 4: 10.220.0.1
Domain-Name-Server Option 6, length 8: 85.21.192.3,213.234.192.8
Static-Route Option 33, length 104:
(89.179.135.67:10.220.0.1),(195.14.50.26:10.220.0.1),(195.14.50.16:10.220.0.1),(85.21.52.254:10.220.0.1),(85.21.88.130:10.220.0.1),(195.14.50.93:10.220.0.1),(195.14.50.21:10.220.0.1),(194.67.1.130:10.220.0.1),(194.67.1.115:10.220.0.1),(194.67.1.14:10.220.0.1),(194.67.18.19:10.220.0.1),(194.67.1.13:10.220.0.1),(194.67.18.72:10.220.0.1)
Classless-Static-Route Option 121, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
Classless-Static-Route-Microsoft Option 249, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
END Option 255, length 0
PAD Option 0, length 0, occurs 20
03:05:36.001608 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 319)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from
e0:cb:4e:fe:24:78, length 291, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Client-ID Option 61, length 7: ether e0:cb:4e:fe:24:78
Vendor-Class Option 60, length 12: "udhcp 1.17.2"
Requested-IP Option 50, length 4: 10.220.2.13
Server-ID Option 54, length 4: 83.102.233.196
Parameter-Request Option 55, length 10:
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
Domain-Name, BR, Static-Route, NTP
Classless-Static-Route, Classless-Static-Route-Microsoft
END Option 255, length 0
03:05:36.021455 IP (tos 0x0, ttl 61, id 59844, offset 0, flags [DF], proto UDP
(17), length 690)
10.7.19.18.67 > 10.220.2.13.68: [udp sum ok] BOOTP/DHCP, Reply, length 662,
hops 2, xid 0x7098cd53, secs 3, Flags [none] (0x0000)
Your-IP 10.220.2.13
Gateway-IP 10.7.19.18
Client-Ethernet-Address e0:cb:4e:fe:24:78
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 83.102.233.196
Lease-Time Option 51, length 4: 604800
Subnet-Mask Option 1, length 4: 255.255.248.0
Default-Gateway Option 3, length 4: 10.220.0.1
Domain-Name-Server Option 6, length 8: 85.21.192.3,213.234.192.8
Static-Route Option 33, length 104:
(89.179.135.67:10.220.0.1),(195.14.50.26:10.220.0.1),(195.14.50.16:10.220.0.1),(85.21.52.254:10.220.0.1),(85.21.88.130:10.220.0.1),(195.14.50.93:10.220.0.1),(195.14.50.21:10.220.0.1),(194.67.1.130:10.220.0.1),(194.67.1.115:10.220.0.1),(194.67.1.14:10.220.0.1),(194.67.18.19:10.220.0.1),(194.67.1.13:10.220.0.1),(194.67.18.72:10.220.0.1)
Classless-Static-Route Option 121, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
Classless-Static-Route-Microsoft Option 249, length 127:
(233.33.210.0/24:10.220.2.13),(10.0.0.0/8:10.220.0.1),(85.21.79.0/24:10.220.0.1),(85.21.90.0/24:10.220.0.1),(85.21.138.208/28:10.220.0.1),(83.102.146.96/27:10.220.0.1),(78.107.196.0/22:10.220.0.1),(85.21.72.80/28:10.220.0.1),(217.118.84.213/32:10.220.0.1),(217.118.84.249/32:10.220.0.1),(78.107.23.0/24:10.220.0.1),(85.21.108.16/28:10.220.0.1),(83.102.231.32/28:10.220.0.1),(78.107.51.0/28:10.220.0.1),(78.107.235.4/30:10.220.0.1)
END Option 255, length 0
PAD Option 0, length 0, occurs 20
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