nanog mailing list archives
RE: Juniper configuration recommendations/BCP
From: "Jakob Heitz \(jheitz\) via NANOG" <nanog () nanog org>
Date: Tue, 13 Oct 2020 19:57:17 +0000
IOS-XR accepts extended communities and large communities by default. You have to enable to send them, but not receive. Regards, Jakob. -----Original Message----- Date: Mon, 12 Oct 2020 15:06:05 +0100 From: <adamv0025 () netconsultings com> Here's a fun one. By default Junos accepts extended communities on any BGP session (not just on MP-BGP sessions like it's the default case on cisco -unless explicitly enabled). Since most operators are not aware of this default Junos behaviour, one can be importing routes to interesting places if one were so inclined. -so yeah bleach unwanted communities on ingress (bleach those that would interfere with the ones used by the AS internally -so called "untaggable"/"untouchable" ). adam
-----Original Message----- From: NANOG <nanog- bounces+adamv0025=netconsultings.com () nanog org> On Behalf Of Chriztoffer Hansen Sent: Thursday, October 8, 2020 11:05 AM To: nanog () nanog org Subject: Juniper configuration recommendations/BCP Importance: Low On 08/10/2020 11:37, Forrest Christian (List Account) wrote:Is there anything I should worry about which is Juniper-specific?JUNOS default ARP timeout: 20 min. If you connect to IXP's. Recommended ARP timeout: 4 hours.
Current thread:
- Re: Juniper configuration recommendations/BCP, (continued)
- Re: Juniper configuration recommendations/BCP Matt Harris (Oct 08)
- Re: Juniper configuration recommendations/BCP Ryan Hamel (Oct 08)
- Re: Juniper configuration recommendations/BCP Chris Adams (Oct 08)
- Re: Juniper configuration recommendations/BCP David Kotlerewsky (Oct 09)
- RE: Juniper configuration recommendations/BCP aaron1 (Oct 08)
- Re: Juniper configuration recommendations/BCP Alain Hebert (Oct 09)
- Re: Juniper configuration recommendations/BCP Eric Kuhnke (Oct 09)
- RE: Juniper configuration recommendations/BCP aaron1 (Oct 10)