[HECnet] One more for the Cisco GRE mesh: Seeking Tunnel End-Points
Supratim Sanyal
supratim at riseup.net
Wed Apr 10 09:40:01 PDT 2019
Got this email; do I need to open up all ports for TFTP? Or I could run this manually too. Still processing this email.
TFTP Info: tftp://199.166.5.172/tunnel-supratim.net-ipv4.txt
Reason for change: Added Tunnel54: Supratim Sanyal (Area 31)
!
! Router config for supratim.net
!
interface Tunnel51
description HECnet tunnel for Ian McLaughlin (Area 42) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 208.73.57.126
tunnel path-mtu-discovery
interface Tunnel50
description HECnet tunnel for Brian Hechinger (Area 52) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 24.98.27.217
tunnel path-mtu-discovery
interface Tunnel59
description HECnet tunnel for Mark G Thomas (Area 23) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 71.246.8.102
tunnel path-mtu-discovery
interface Tunnel52
description HECnet tunnel for Cory Smelosky (Area 9) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 50.131.218.138
tunnel path-mtu-discovery
interface Tunnel58
description HECnet tunnel for Mark Darvill (Area 22) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 81.138.115.178
tunnel path-mtu-discovery
interface Tunnel53
description HECnet tunnel for Dave McGuire (Area 61) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 50.73.179.1
tunnel path-mtu-discovery
interface Tunnel57
description HECnet tunnel for Tim Sneddon (Area 12) [Version:307]
no ip address
decnet cost 20
tunnel source FastEthernet0/1
tunnel destination 110.141.227.104
tunnel path-mtu-discovery
end
> On Apr 10, 2019, at 12:36 PM, Brian Hechinger <wonko at 4amlunch.net> wrote:
>
> Something didn't work:
>
> Reloading router: 45.62.248.66 foobar 199.166.5.172 tunnel-supratim.net-ipv4.txt
>
> running..........................................................................................................................................................................................................................................................................................................................................................................
> failed
>
>> On Wed, 2019-04-10 at 11:56 -0400, Supratim Sanyal wrote:
>> Here you go Brian.
>>
>> Your IP: (which you already provided) : 45.62.248.66
>> Is IP static: YES
>> Hostname: (only really matters with dynamic IP): N/A
>> Source Interface: f0/1 (FastEthernet0/1)
>> Writable SNMP Community name: foobar
>>
>> For reference, here is the currently running Tunnel12 to Tim's A12RTR:
>>
>> Tunnel12 is up, line protocol is up
>> Hardware is Tunnel
>> Description: Tunnel to Area 12 A12RTR 12.1023 Tim Sneddon DECrouter
>> 90T2 IOS V10.3 Perth, Western Australia
>> MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec,
>> reliability 255/255, txload 1/255, rxload 1/255
>> Encapsulation TUNNEL, loopback not set
>> Keepalive not set
>> Tunnel source 10.42.2.204 (FastEthernet0/1), destination [redacted]
>> Tunnel protocol/transport GRE/IP, key disabled, sequencing disabled
>> Tunnel TTL 255
>> Checksumming of packets disabled, fast tunneling enabled
>> Path MTU Discovery, ager 10 mins, min MTU 92, MTU 0, expires never
>> Last input 00:00:02, output 00:00:18, output hang never
>> Last clearing of "show interface" counters never
>> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
>> Queueing strategy: fifo
>> Output queue: 0/0 (size/max)
>> 5 minute input rate 0 bits/sec, 0 packets/sec
>> 5 minute output rate 0 bits/sec, 0 packets/sec
>> 464 packets input, 35549 bytes, 0 no buffer
>> Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
>> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
>> 275 packets output, 24288 bytes, 0 underruns
>> 0 output errors, 0 collisions, 0 interface resets
>> 0 output buffer failures, 0 output buffers swapped out
>>
>> Tunnel12 is up, line protocol is up, encapsulation is TUNNEL
>> Interface cost is 1, priority is 64, DECnet network: 0
>> Sending HELLOs every 30 seconds, routing updates 40 seconds
>> PhaseIV VAX cluster hold time is 300 seconds
>> Smallest router blocksize seen is 1498 bytes
>> Routing input list is not set, output list is not set
>> Access list is not set
>> DECnet fast switching is enabled
>> Number of L1 router adjacencies is : 0
>> Number of L2 router adjacencies is : 1
>> Number of non-PhaseIV+ router adjacencies is : 0
>> Number of PhaseIV+ router adjacencies is : 1
>>
>>
>>
>>
>>> On 4/10/19 10:36 AM, Brian Hechinger wrote:
>>
>>
>> Ok, here's what I need from you.
>>
>> You need to allow SNMP into the Cisco but you can limit that to only be
>> allowed from myst.platinum.net (199.166.5.172)
>>
>> I need:
>>
>> You IP: (which you already provided)
>> Is IP static:
>> hostname: (only really matters with dynamic IP)
>> Source Interface: (this is the interface on the Cisco that the GRE
>> tunnel(s) are on)
>> Writable SNMP Community name:
>>
>> -brian
>>
>>> On Wed, 2019-04-10 at 09:32 -0400, Supratim Sanyal wrote:
>>
>>
>> Brian,
>>
>> Behind NAT, protocol 47 forwarded. I can, of course, forward any port you need - just let me know what to open and forward.
>>
>> I am already connected to A12RTR, BTW.
>>
>> Thanks
>>
>> Supratim
>>
>> On Apr 10, 2019, at 7:59 AM, Brian Hechinger <wonko at 4amlunch.net <mailto:wonko at 4amlunch.net>> wrote:
>>
>> Is the Cisco device directly available on the internet? For my tool to work I need that (although the new version I'm planning won't)
>>
>> -brian
>>
>> On Tue, 2019-04-09 at 16:24 -0400, Supratim Sanyal wrote:
>> On 2/26/19 2:53 PM, Supratim Sanyal wrote:
>>
>> This email is directed to owners of Cisco routers with GRE tunnels; to
>> the best of my limited knowledge, Dave McGuire, Ian McLaughlin, Brian
>> Hechinger, Mark Darvill, Cory Smelosky, Peter Löthberg ... who else?
>>
>> I already have a stable GRE tunnel to A12RTR for a while now, and am
>> looking for end-points on other Cisco routers on HECnet to connect to. I
>> will be coming in from IP address 45.62.248.66, DECnet node 1.919.
>>
>> If possible, please let me know what GRE end-points I can connect to.
>> You can, of course, DM me too.
>>
>> Thank you.
>>
>> Supratim
>>
>> Reviving this request, now that I am on my own Area 31. Once again,
>> seeking GRE tunnel end points from owners of CISCO switches, to the best
>> of my limited knowledge, perhaps Dave McGuire, Ian McLaughlin, Brian
>> Hechinger, Mark Darvill, Cory Smelosky and Peter Löthberg.
>>
>> My IP will be 45.62.248.66, DECnet node 31.1023 (IMPRTR).
>>
>> Thanks,
>> Supratim
>>
>>
>>
>>
>>
>>
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