Age | Commit message (Collapse) | Author |
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Add new bgp parameter 'no-suppress-duplicates'
set protocols bgp parameters no-suppress-duplicates
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The BGP conditional advertisement feature uses the non-exist-map or the
exist-map and the advertise-map keywords of the neighbor advertise-map command
in order to track routes by the route prefix.
non-exist-map
=============
* If a route prefix is not present in the output of non-exist-map command, then
advertise the route specified by the advertise-map command.
* If a route prefix is present in the output of non-exist-map command, then do
not advertise the route specified by the addvertise-map command.
exist-map
=========
* If a route prefix is present in the output of exist-map command, then
advertise the route specified by the advertise-map command.
* If a route prefix is not present in the output of exist-map command, then do
not advertise the route specified by the advertise-map command.
This feature is useful when some prefixes are advertised to one of its peers
only if the information from the other peer is not present (due to failure in
peering session or partial reachability etc).
The conditional BGP announcements are sent in addition to the normal
announcements that a BGP router sends to its peer.
CLI nodes can be found under:
* set protocols bgp neighbor <ip> address-family <afi> conditional-advertisement
* set protocols bgp peer-group <p> address-family <afi> conditional-advertisement
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In the past a peer-group was only assigned to the BGP process but not bound
to any neighbor. This has been changed.
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This command is applicable at the global level and at an individual bgp level.
If applied at the global level all bgp instances will wait for fib installation
before announcing routes and there is no way to turn it off for a particular
BGP vrf.
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Administrative shutdown of all peers of a bgp instance. Drop all BGP peers,
but preserve their configurations. The peers are notified in accordance with
RFC 8203 by sending a NOTIFICATION message with error code Cease and subcode
Administrative Shutdown prior to terminating connections.
This global shutdown is independent of the neighbor shutdown, meaning that
individually shut down peers will not be affected by lifting it.
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This command enables rejection of incoming and outgoing routes having AS_SET
or AS_CONFED_SET type.
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This command allows user to prevent session establishment with BGP peers with
lower holdtime less than configured minimum holdtime.
When this command is not set, minimum holdtime does not work.
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Whenever BGP peer address becomes unreachable we must bring down the BGP
session immediately. Currently only single-hop EBGP sessions are brought down
immediately. IBGP and multi-hop EBGP sessions wait for hold-timer expiry to
bring down the sessions.
This new configuration option helps user to teardown BGP sessions immediately
whenever peer becomes unreachable.
This configuration is available at the bgp level. When enabled, configuration
is applied to all the neighbors configured in that bgp instance.
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Set the period to rerun the conditional advertisement scanner process.
The default is 60 seconds.
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Commit 5f1c1ae4 ("bgp: T3798: add support for neighbor local-as <n> replace-as")
added support for a new CLI option when the local-as is changed for a specified
neighbor or peer-group.
There was an error in the CLI / design as the "replace-as" option can only be
used when "no-prepend" is defined. Thus "no-prepend" became a <node> and
the new "replace-as" leafNode is now a child of "no-prepend".
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Commit 474db49a ("bgp: T3759: "l2vpn evpn" and ipv4/ipv6 safi route-targets
differ") made it possible to specify a whitelist separated list of route-targets,
this is now validated through the smoketests.
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This adds the following new commands:
set protocols bgp address-family ipv4-unicast route-map vpn export foo-map-out
set protocols bgp address-family ipv4-unicast route-map vpn import foo-map-in
set protocols bgp address-family ipv6-unicast route-map vpn export foo-map-out
set protocols bgp address-family ipv6-unicast route-map vpn import foo-map-in
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Add the following new commands:
* set protocols bgp address-family ipv4-unicast route-target vpn both 1.1.1.1:100
* set protocols bgp address-family ipv4-unicast route-target vpn export 1.1.1.1:100
* set protocols bgp address-family ipv4-unicast route-target vpn import 1.1.1.1:100
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Add the following new commands:
* set protocols bgp address-family ipv4-unicast rd vpn export
* set protocols bgp address-family ipv6-unicast rd vpn export
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Add the following new commands:
* set protocols bgp address-family ipv4-unicast label vpn export (auto | 0-1048575)
* set protocols bgp address-family ipv6-unicast label vpn export (auto | 0-1048575)
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Commit 4f9aa30f ("vrf: bgp: T3523: add route-map support for kernel routes")
added the possibility to also filter BGP routes towards the OS kernel, but the
smoketests failed. Reason was a non working CLI command applied to bgpd.
Thus the VRF route-map and the BGP configuration is now split into two templates,
one to be used for each daemon (zebra and bgpd).
Nevertheless one more bug was found in vyos.frr which currently does not suppoort
calling modify_section() inside a configuration "block". See [1] for more info.
[1]: https://phabricator.vyos.net/T3529
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When deleting a route-map, prefix-list or access-list, we must ensure that
this routing policy is not referenced by any other protocol or policy.
When trying to remove a policy still in use, raise an error.
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In this commit we add more address families within
BGP. This should bring VyOS the ability to enable
the rest of the capabilities within FRR.
Co-authored-by: Cheeze_It <none@none.com>
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Removing the Zebra/Linux Kernel route-map added by "set protocols bgp route-map"
was not removed once applied. This was because the removal must happen within
the zebra daemon and not bgpd.
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Every time when set configuration bgp, you need set AS number. There is very
less benefit in this system so the AS number is moved from a tagNode level down
to a leafNode with the name "local-as", same as on the neighbor or peer-group
level.
This changes the CLI configuration from:
set protocols bgp 100 neighbor 10.10.1.2 remote-as 200
to
set protocols bgp local-as 100
set protocols bgp neighbor 10.10.1.2 remote-as 200
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Currently every smoketest does the setup and destruction of the configsession
on its own durin setUp(). This creates a lot of overhead and one configsession
should be re-used during execution of every smoketest script.
In addiion a test that failed will leaf the system in an unconsistent state.
For this reason before the test is executed we will save the running config
to /tmp and the will re-load the config after the test has passed, always
ensuring a clean environment for the next test.
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Instead of having the dynamic routing protocols OSPF and BGP residing under
the "protocols vrf <name> [ospf|bgp]" nodes, rather move them directly under
the "vrf name <name> protocols [ospf|bgp]" node. Now all VRF related parts
are placed under the same root node.
This eases the verify steps tremendously, as we do not need to check wheter a
VRF eists or not, it will always exist as we operate under a child node.
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* set protocols bgp ASN address-family ipv4-unicast maximum-paths
* set protocols bgp ASN address-family ipv4-unicast maximum-paths-ibgp
* set protocols bgp ASN address-family ipv6-unicast maximum-paths
* set protocols bgp ASN address-family ipv6-unicast maximum-paths-ibgp
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Commit 4bf55f97 ("BGP: T2100: Adding RFC8212 option toggle.") added a CLI option
to enable RFC8212 ebgp-requires-policy checks. The extended smoketests assumed
that this will lead to an FRR configuration line of "bgp ebgp-requires-policy" -
which is not the case as this is a default option and FRR hides default
options from the config.
In order to properly verify this functionality we must conduct the negative test
and ensure the option is not present in the CLI at all.
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bgp: T2100: Changing RFC8212 behavior and option toggle
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In this commit we add the default operation within BGP
to have RFC8212 disabled for eBGP routes. This default
should preserve the normal behavior for VyOS from earlier
releases of FRR to the current latest release. Another
option that we add is the ability to toggle whether or
not RFC8212 is enabled or disabled.
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* protocols bgp 65000 neighbor 192.0.2.1 address-family ipv4-unicast addpath-tx-all
* protocols bgp 65000 neighbor 192.0.2.1 address-family ipv4-unicast addpath-tx-per-as
* protocols bgp 65000 neighbor 2001:db8::1 address-family ipv6-unicast addpath-tx-all
* protocols bgp 65000 neighbor 2001:db8::1 address-family ipv6-unicast addpath-tx-per-as
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