When usid is not used, the isis_srv6_topo1 test does not work.
The SID prefix allocated by isis is different when the usid
flags is set or not. When the flags is not transmitted to isis,
the SID allocated is supposed to be a 128 bit mask length SID,
which is not what the isis_srv6_topo1 test is supposed to obtain.
Fix this by exchanging the flags locator value in the zclient api.
Fixes: 9b7491e1fc ("lib: Add support for flags to the SRv6 locator")
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
When testing SNMP service on FRR, the following error message may
appear on some distros.
> # snmpwalk -v2c -c public .1.3.6 1.1.1.1 <OID>
> Bad operator (INTEGER): At line 73 in /usr/share/snmp/mibs/ietf/SNMPv2-PDU
> [..then result ..]
>
The error message is due to the /etc/snmp/snmp.conf file. By default, this
file is used by both snmp server and client side. The net-snmp MIB parsing
routing loads MIBS, to bind oids with the naming scheme used by the MIBS.
> # cat /etc/frr/snmp.conf
> [snmp]
> mibs +ALL
>
A potential fix would consist in modifying the SNMPv2-PDU.mib file: the
problem is known on ubuntu distros, as the snmp-mibs-downloader package
has not updated the SNMPv2-PDU.mib file.
The choice is done to not modify the original distro where the test is run
on. Fix the topotests by ignoring the 'SNMPv2-PDU line 73" error message, and
keep the other error messages that may happen, for instance, when an
unknown oid name value is requested.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
Before the patch-set, ce1 was sending an IPv6 Link-local as global and
link-local nexthop to pe1.
Set bgp_vrf_leaking_5549_routes in accordance with the previous fixes.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
When a peer sends an IPv4-mapped IPv6 global and a IPv6 link-local
nexthop, prefer the link-local unless a route-map tells to use the
global.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
The code was expected that no IPv6 global address was present but the
previous commit was replacing nexthop.v6global by the link-local address
instead of un-setting it in case of removal of the IPv6 global.
Set also ipv4-mapped ipv6 address as nexthop when a link-local is found
and it is an ipv4 prefix over ipv6 nexthop.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
When a peer has no IPv6 global address to send as nexthop, it sends the
IPv6 link-local instead as global. "show bgp ipv6 json" displays the
same address in global and link-local scopes.
> "nexthops": [
> {
> "ip": "fe80::a495:38ff:fea6:6ea3",
> "afi": "ipv6",
> "scope": "global",
> "used": true
> },
> {
> "ip": "fe80::a495:38ff:fea6:6ea3",
> "afi": "ipv6",
> "scope": "link-local"
> }
> ]
However, "used" key is set on the global nexthop but not in link-local.
It is correct but it makes difficult to test JSON to expect the usage of
a link-local. The contrary is also correct.
Set "used" key on the link-local nexhop instead to facilitate the tests.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
When the IPv6 global is removed on an interface towards a peer, the
IPv6 nexthop global that is sent is a IPv4-mapped IPv6 address. It
should be the link-local.
At removal, replace the global by the next global address or the
link-local as last resort.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
Add bgp_nexthop_mp_ipv4_6 topotest to test to nexhop value with
MP-BGP IPv4 and IPv6 on IPv4 peering. The test has route-reflector,
route-server, iBGP and eBGP peers.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
bgpd keeps on advertising IPv6 prefixes with a IPv6 link-local nexthop
after a valid IPv6 global appears.
At bgpd startup, the IPv6 global is announced by zebra after the
link-local. Only the link-local is advertised. Clearing the BGP sessions
make the global to to be announced.
Update the nexthops with the global IPv6 when available.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This reverts commit 0325116a27.
It was causing an issue where a nexthop for IPv6 over an IPv4 session
was always rewritten to an IPv4-mapped IPv6 address even when a valid
IPv6 global address was existing.
Link: https://github.com/FRRouting/frr/issues/15610
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
Link-bandwidth is encoded into extended community, not ipv6 extended community.
Thus it's not needed here at all.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This is needed to implement and use larger bandwidths rather than limiting only
to theoretical 34Gbps max bandwidth.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
In zebra_interface_nhg_reinstall zebra is checking that the
nhg is a singleton and not a blackhole nhg. This was originally
done with checking that the nexthop is a NEXTHOP_TYPE_IFINDEX,
NEXTHOP_TYPE_IPV4_IFINDEX and NEXTHOP_TYPE_IPV6_IFINDEX. This
was excluding NEXTHOP_TYPE_IPV4 and NEXTHOP_TYPE_IPV6. These
were both possible to be received and maintained from the upper
level protocol for when a route is being recursively resolved.
If we have gotten to this point in zebra_interface_nhg_reinstall
the nexthop group has already been installed at least once
and we *know* that it is actually a valid nexthop. What the
test is really trying to do is ensure that we are not reinstalling
a blackhole nexthop group( Which is not possible to even be
here by the way, but safety first! ). So let's change
to test for that instead.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Change input/output arguments of the RPC callback from lists of
(xpath/value) tuples to YANG data trees.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
