Yes Netiron is a real stable software, we have plenty Brocades in use and except the ones that got many sessions and occasionally have memory issues, we never had any issues. Unfortunately I cannot convince Mikrotik that they have a bug and till now I cannot see anyone else on the forum or on their discord server that are affected by this issue and more unfortunately I got my hands on devices I cannot use :-)
> On 30 Jun 2023, at 00:03, Jörg Kost <j...@ip-clear.de> wrote: > > By the way, it is also wrongly set in the BGP message for the community > attribute, which must be a bug in Mtick. > > NetIron BGP code is quite stable, I've never had any problems with it in 10 > years. The parser has to be careful when validating the attributes, it's all > C code, nobody needs a buffer overflow on their BGP router ;-) > > On 29 Jun 2023, at 20:28, Jörg Kost wrote: > >> Oh thank you, well, I'll throw that naively into the room, >> the extended length flag for the AGGREGATOR must not be set at all, as the >> length is fixed at = 8. >> Anyone else have an opinion on this? That looks like an error in the >> Mikrotik code to me. >> >> There was a similar bug with Bird: >> https://bird.network.cz/pipermail/bird-users/2021-March/015312.html >> >> On 29 Jun 2023, at 19:59, Bogdan Rotariu wrote: >> >>> Yes, I did do that so I can filter AS-PATHS, but too many. I just activated >>> again. For not spamming the list too much added just some of the output,, >>> the full output is here: https://pastie.dev/CdnSr8.yaml >>> >>> [29.06.2023, 8:53:34,297 PM] Jun 29 20:53:34.351 BGP: Incoming TCP >>> connection. peer 10.11.1.15 OKed >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: Rcv incoming TCP >>> connection UP. handle a001143a:1b7fadf4, key 0 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 Connection >>> Collision, connection_up=0 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 Accept >>> incoming TCP connection from peer, local IP 10.11.1.4 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 TCP >>> Connection opened >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 sending >>> MultiProtocol cap, afi/safi=1/1, length 4 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 sending >>> 4-octet ASN cap, asn=56430, length 4 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 fbit is 0, >>> for AFI/SAFI 1/1 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 sending >>> Graceful Restart cap, rbit 0, time 120, length 6 >>> [29.06.2023, 8:53:34,299 PM] Jun 29 20:53:34.352 BGP: 10.11.1.15 sending >>> OPEN, My asn=56430 holdTime=90 route_refresh=1 cooperative= 1, restart 1/0 >>> [29.06.2023, 8:53:34,300 PM] Jun 29 20:53:34.355 BGP: 10.11.1.15 rcv OPEN >>> w/Option parameter length 20, My asn 56430, hold_time 180 >>> [29.06.2023, 8:53:34,300 PM] Jun 29 20:53:34.355 BGP: 10.11.1.15 rcv OPEN >>> w/Option parameter length 20 >>> [29.06.2023, 8:53:34,300 PM] Jun 29 20:53:34.355 BGP: 10.11.1.15 rcv >>> capability 2, len 0 >>> [29.06.2023, 8:53:34,300 PM] Jun 29 20:53:34.355 BGP: 10.11.1.15 rcv >>> 4-octet ASN capability 65, len 4, asn=56430, >>> [29.06.2023, 8:53:34,300 PM] Jun 29 20:53:34.355 BGP: 10.11.1.15 rcv MP_EXT >>> capability 1, len 4, afi/safi=1/1 >>> [29.06.2023, 8:53:34,300 PM] Jun 29 20:53:34.355 BGP: 10.11.1.15 rcv >>> Graceful Restart capability 64, len 2, rbit 0, time 0 >>> [29.06.2023, 8:53:34,301 PM] Jun 29 20:53:34.357 BGP: 10.11.1.15 Peer went >>> to ESTABLISHED state >>> >>> [29.06.2023, 8:53:35,495 PM] Jun 29 20:53:35.549 BGP: 10.11.1.15 received >>> invalid AGGREGATOR attribute flag (0xd0) >>> [29.06.2023, 8:53:35,495 PM] Jun 29 20:53:35.549 BGP: 10.11.1.15 received >>> invalid AGGREGATOR attribute flag (0xd0) >>> [29.06.2023, 8:53:35,495 PM] Jun 29 20:53:35.549 BGP: 10.11.1.15 sending >>> NOTIFICATION 3/4 (Attribute Flags Error) >>> [29.06.2023, 8:53:35,495 PM] Jun 29 20:53:35.549 BGP: 10.11.1.15 reset due >>> to BGP notification sent >>> [29.06.2023, 8:53:35,496 PM] Jun 29 20:53:35.549 BGP: 10.11.1.15 Closing >>> TCP connection 0x00000002 >>> [29.06.2023, 8:53:35,496 PM] Jun 29 20:53:35.550 BGP: 10.11.1.15 BGP >>> connection closed >>> [29.06.2023, 8:53:35,496 PM] Jun 29 20:53:35.550 BGP: 10.11.1.15 Peer went >>> to IDLE state (Attribute Flags Error) >>> [29.06.2023, 8:53:35,496 PM] Jun 29 20:53:35.550 BGP: 10.11.1.15 Peer >>> already in IDLE state, stays in IDLE state. >>> [29.06.2023, 8:53:35,496 PM] Jun 29 20:53:35.550 BGP: Attribute Error: BGP: >>> 10.11.1.15 rcv UPDATE w/attr: Origin=IGP AS_PATH= AS_SEQ(2) 8708 5606 >>> 44418 44418 44418 NextHop=10.11.1.15 LOCAL_PREF=100 ATOMIC_AGGREGATE >>> COMMUNITY=8708:100 >>> [29.06.2023, 8:53:35,544 PM] Jun 29 20:53:35.600 BGP: 10.11.1.15 RIB_out >>> peer reset #RIB_out 0 (safi 0) >>> _______________________________________________ foundry-nsp mailing list foundry-nsp@puck.nether.net http://puck.nether.net/mailman/listinfo/foundry-nsp
