BIRD router/route server functions

Isaac HO isaacho.jc at gmail.com
Thu Jun 14 11:42:07 CEST 2018


the Error:  Last error:       Socket: No route to host

To added this rule on both routers' iptables:
ACCEPT     tcp  --  192.168.199.0/24     anywhere             tcp dpt:bgp

upgrade the version
birdc show protocols
BIRD 1.6.4 ready.
name     proto    table    state  since       info
kernel1  Kernel   master   up     16:50:53
device1  Device   master   up     16:50:53
static_bgp Static   master   up     16:50:53
bgp1     BGP      master   start  16:50:53    Active        Socket: No
route to host


Would you please all advise?

2018-06-12 8:51 GMT+08:00 Isaac HO <isaacho.jc at gmail.com>:

> Seems i am using CentOS .... seems there is latest version for it.
> Thanks
>
> On Mon, 11 Jun 2018 at 23:27, Maria Jan Matějka <jan.matejka at nic.cz>
> wrote:
>
>> The last. If you don't care about new features, stay at 1.x, current is
>> 1.6.4, otherwise upgrade to 2.x where you have to update also your configs
>> quite a lot.
>> Maria
>>
>>
>> On June 11, 2018 4:41:56 PM GMT+02:00, Isaac HO <isaacho.jc at gmail.com>
>> wrote:
>>>
>>>
>>> Which version is recommended?
>>> Thanks,
>>>
>>> On Mon, 11 Jun 2018 at 16:11, Jan Maria Matejka <jan.matejka at nic.cz>
>>> wrote:
>>>
>>>> Remove the old one, install the new one, shutdown the old one, run the
>>>> new one. BIRD is simple. No docker images, no upgrade procedures.
>>>>
>>>> Maria
>>>>
>>>> On 06/11/2018 05:35 AM, Isaac HO wrote:
>>>> > Could provide me the upgrade procedure? Thanks.____
>>>> >
>>>> > Rae
>>>> >
>>>> > __
>>>> >
>>>> >
>>>> > 2018-06-06 14:10 GMT+08:00 Rae Ho (ITSC) <raeho at cuhk.edu.hk
>>>> > <mailto:raeho at cuhk.edu.hk>>:
>>>> >
>>>> >     You should also upgrade BIRD, version 1.4.5 is too old.____
>>>> >
>>>> >     Could provide me the upgrade procedure?____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     Rae____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     *From:*Rae Ho (ITSC)
>>>> >     *Sent:* Wednesday, June 6, 2018 12:04 PM
>>>> >     *To:* Rae Ho (ITSC) <raeho at cuhk.edu.hk <mailto:raeho at cuhk.edu.hk
>>>> >>;
>>>> >     Ondrej Zajicek <santiago at crfreenet.org <mailto:
>>>> santiago at crfreenet.org>>
>>>> >     *Cc:* bird-users at network.cz <mailto:bird-users at network.cz>
>>>> >     *Subject:* RE: BIRD router/route server functions____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     tcpdump -i ens160 'tcp port 179 and host 192.168.199.13'____
>>>> >
>>>> >     tcpdump: verbose output suppressed, use -v or -vv for full
>>>> protocol
>>>> >     decode____
>>>> >
>>>> >     listening on ens160, link-type EN10MB (Ethernet), capture size
>>>> 65535
>>>> >     bytes____
>>>> >
>>>> >     11:52:14.026373 IP bird1.cuhk.edu.hk.54372 > 192.168.199.13.bgp:
>>>> >     Flags [S], seq 256428900, win 29200, options [mss 1460,sackOK,TS
>>>> val
>>>> >     2230497637 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     11:52:14.401556 IP 192.168.199.13.51631 > bird1.cuhk.edu.hk.bgp:
>>>> >     Flags [S], seq 3989668659, win 29200, options [mss 1460,sackOK,TS
>>>> >     val 2230734469 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     11:52:18.031631 IP bird1.cuhk.edu.hk.58460 > 192.168.199.13.bgp:
>>>> >     Flags [S], seq 3350460062, win 29200, options [mss 1460,sackOK,TS
>>>> >     val 2230501642 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     11:52:19.405962 IP 192.168.199.13.54429 > bird1.cuhk.edu.hk.bgp:
>>>> >     Flags [S], seq 573528156, win 29200, options [mss 1460,sackOK,TS
>>>> val
>>>> >     2230739473 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     tcpdump -i ens160 'tcp port 179 and host 192.168.199.12'____
>>>> >
>>>> >     tcpdump: verbose output suppressed, use -v or -vv for full
>>>> protocol
>>>> >     decode____
>>>> >
>>>> >     listening on ens160, link-type EN10MB (Ethernet), capture size
>>>> 65535
>>>> >     bytes____
>>>> >
>>>> >     11:52:03.595665 IP 192.168.199.12.53662 > bird2.cuhk.edu.hk.bgp:
>>>> >     Flags [S], seq 708312977, win 29200, options [mss 1460,sackOK,TS
>>>> val
>>>> >     2230487710 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     11:52:03.884791 IP bird2.cuhk.edu.hk.39590 > 192.168.199.12.bgp:
>>>> >     Flags [S], seq 2978908357, win 29200, options [mss 1460,sackOK,TS
>>>> >     val 2230724456 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     11:52:07.600739 IP 192.168.199.12.54354 > bird2.cuhk.edu.hk.bgp:
>>>> >     Flags [S], seq 562475138, win 29200, options [mss 1460,sackOK,TS
>>>> val
>>>> >     2230491715 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     11:52:07.889979 IP bird2.cuhk.edu.hk.59598 > 192.168.199.12.bgp:
>>>> >     Flags [S], seq 2985453764, win 29200, options [mss 1460,sackOK,TS
>>>> >     val 2230728462 ecr 0,nop,wscale 7], length 0____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     Seems the problem is domain name?____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     -----Original Message-----
>>>> >     From: Bird-users <bird-users-bounces at network.cz
>>>> >     <mailto:bird-users-bounces at network.cz>> On Behalf Of Rae Ho
>>>> (ITSC)
>>>> >     Sent: Wednesday, June 6, 2018 11:13 AM
>>>> >     To: Ondrej Zajicek <santiago at crfreenet.org
>>>> >     <mailto:santiago at crfreenet.org>>
>>>> >     Cc: bird-users at network.cz <mailto:bird-users at network.cz>
>>>> >     Subject: RE: BIRD router/route server functions____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     Last error:       Socket: No route to host <-- ____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     -----Original Message-----____
>>>> >
>>>> >     From: Ondrej Zajicek <santiago at crfreenet.org
>>>> >     <mailto:santiago at crfreenet.org>> ____
>>>> >
>>>> >     Sent: Tuesday, June 5, 2018 8:57 PM____
>>>> >
>>>> >     To: Rae Ho (ITSC) <raeho at cuhk.edu.hk <mailto:raeho at cuhk.edu.hk
>>>> >>____
>>>> >
>>>> >     Cc: Quan Zhou <quanzhou822 at gmail.com
>>>> >     <mailto:quanzhou822 at gmail.com>>; bird-users at network.cz
>>>> >     <mailto:bird-users at network.cz>____
>>>> >
>>>> >     Subject: Re: BIRD router/route server functions____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     On Tue, Jun 05, 2018 at 09:29:08AM +0000, Rae Ho (ITSC) wrote:____
>>>> >
>>>> >     > Dear Quan Zhou, Thanks. Rae____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     Hi____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     Your setup looks OK. You could use tcpdump on ens160 to see if
>>>> there
>>>> >     are BGP connection attempts in both directions. Also, is there
>>>> >     anything interesting in BIRD logs?____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     You should also upgrade BIRD, version 1.4.5 is too old.____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     --____
>>>> >
>>>> >     Elen sila lumenn' omentielvo____
>>>> >
>>>> >     __ __
>>>> >
>>>> >     Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org
>>>> >     <mailto:santiago at crfreenet.org>) OpenPGP encrypted e-mails
>>>> preferred
>>>> >     (KeyID 0x11DEADC3, wwwkeys.pgp.net <http://wwwkeys.pgp.net>) "To
>>>> err
>>>> >     is human -- to blame it on a computer is even more so."____
>>>> >
>>>> >     __ __
>>>> >
>>>> >
>>>>
>>>>
>> --
>> Sent from my Android device with K-9 Mail. Please excuse my brevity.
>>
>
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