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Local ethernet segments are held in a protodown or error-disabled state
if access to the VxLAN overlay is not ready -
1. When FRR comes up the local-ESs/access-port are kept protodown
for the startup-delay duration. During this time the underlay and
EVPN routes via it are expected to converge.
2. When all the uplinks/core-links attached to the underlay go down
the access-ports are similarly protodowned.
The ES-bond protodown state is propagated to each ES-bond member
and programmed in the dataplane/kernel (per-bond-member).
Configuring uplinks -
vtysh -c "conf t" vtysh -c "interface swp4" vtysh -c "evpn mh uplink"
Configuring startup delay -
vtysh -c "conf t" vtysh -c "evpn mh startup-delay 100"
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
EVPN protodown display -
========================
root@torm-11:mgmt:~# vtysh -c "show evpn"
L2 VNIs: 10
L3 VNIs: 3
Advertise gateway mac-ip: No
Advertise svi mac-ip: No
Duplicate address detection: Disable
Detection max-moves 5, time 180
EVPN MH:
mac-holdtime: 60s, neigh-holdtime: 60s
startup-delay: 180s, start-delay-timer: 00:01:14 <<<<<<<<<<<<
uplink-cfg-cnt: 4, uplink-active-cnt: 4
protodown: startup-delay <<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ES-bond protodown display -
===========================
root@torm-11:mgmt:~# vtysh -c "show interface hostbond1"
Interface hostbond1 is up, line protocol is down
Link ups: 0 last: (never)
Link downs: 1 last: 2020/04/26 20:38:03.53
PTM status: disabled
vrf: default
OS Description: Local Node/s torm-11 and Ports swp5 <==> Remote Node/s hostd-11 and Ports swp1
index 58 metric 0 mtu 9152 speed 4294967295
flags: <UP,BROADCAST,MULTICAST>
Type: Ethernet
HWaddr: 00:02:00:00:00:35
Interface Type bond
Master interface: bridge
EVPN-MH: ES id 1 ES sysmac 00:00:00:00:01:11
protodown: off rc: startup-delay <<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ES-bond member protodown display -
==================================
root@torm-11:mgmt:~# vtysh -c "show interface swp5"
Interface swp5 is up, line protocol is down
Link ups: 0 last: (never)
Link downs: 3 last: 2020/04/26 20:38:03.52
PTM status: disabled
vrf: default
index 7 metric 0 mtu 9152 speed 10000
flags: <UP,BROADCAST,MULTICAST>
Type: Ethernet
HWaddr: 00:02:00:00:00:35
Interface Type Other
Master interface: hostbond1
protodown: on rc: startup-delay <<<<<<<<<<<<<<<<
root@torm-11:mgmt:~#
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
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A local ES can be added or removed to a bridge after it is created.
When it becomes a bridge port member the dataplane attributes need
to be programmed.
Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
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when working with vrf netns backend, two bridges interfaces may have the
same bridge interface index, but not the same namespace. because in vrf
netns backend mode, a bridge slave always belong to the same network
namespace, then a check with the namespace id and the ns id of the
bridge interface permits to resolve correctly the interface pointer.
The problem could occur if a same index of two bridge interfaces can be
found on two different namespaces.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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an incoming bridge index has been found, that is linked with vxlan
interface, and the search for that bridge interface is done. In
vrf-lite, the search is done across the same default namespace, because
bridge and vxlan may not be in the same vrf. But this behaviour is wrong
when using vrf netns backend, as the bridge and the vxlan have to be in
the same vrf ( hence in the same network namespace). To comply with
that, use the netnamespace of the vxlan interface. Like that, the
appropriate nsid is passed as parameter, and consequently, the search is
correct, and the mac address passed to BGP will be ok too.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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1. Local ethernet segments are configured in zebra by attaching a
local-es-id and sys-mac to a access interface -
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
!
interface hostbond1
evpn mh es-id 1
evpn mh es-sys-mac 00:00:00:00:01:11
!
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
This info is then sent to BGP and used for the generation of EAD-per-ES
routes.
2. Access VLANs associated with an (ES) access port are translated into
ES-EVI objects and sent to BGP. This is used by BGP for the
generation of EAD-EVI routes.
3. Remote ESs are imported by BGP and sent to zebra. A list of VTEPs
is maintained per-remote ES in zebra. This list is used for the creation
of the L2-NHG that is used for forwarding traffic.
4. MAC entries with a non-zero ESI destination use the L2-NHG associated
with the ESI for forwarding traffic over the VxLAN overlay.
Please see zebra_evpn_mh.h for the datastruct organization details.
Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
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Revert "zebra: support for macvlan interfaces"
This reverts commit bf69e212fd053af3298fc3cba38458b396467849.
Revert "doc: add some documentation about bgp evpn netns support"
This reverts commit 89b97c33d7a6d9dc427d56fea52fa27334dde81d.
Revert "zebra: dynamically detect vxlan link interfaces in other netns"
This reverts commit de0ebb25404fe984f084a0d57b7f873618423876.
Revert "bgpd: sanity check when updating nexthop from bgp to zebra"
This reverts commit ee9633ed87f0ff5da1373a42d6c044f0a682c8d3.
Revert "lib, zebra: reuse and adapt ns_list walk functionality"
This reverts commit c4d466c830083e8ba58881d7ad03a90f6baf0754.
Revert "zebra: local mac entries populated in correct netnamespace"
This reverts commit 40424548910887f3bbbf544ce964d3b736048ae5.
Revert "zebra: when parsing local entry against dad, retrieve config"
This reverts commit 3acc394bc5e5c225e9258fd0d57a6cebea0c0ccd.
Revert "bgpd: evpn nexthop can be changed by default"
This reverts commit a2342a241253c41b798845cae155b4caab4bcda5.
Revert "zebra: zvni_map_to_vlan() adaptation for all namespaces"
This reverts commit db81d18647bbd81a2c335620c9a03e32e4a5b2be.
Revert "zebra: add ns_id attribute to mac structure"
This reverts commit 388d5b438e22cddc6740e362763c0922edbb242a.
Revert "zebra: bridge layer2 information records ns_id where bridge is"
This reverts commit b5b453a2d6af58692bee0e256fe1dffe99824801.
Revert "zebra, lib: new API to get absolute netns val from relative netns val"
This reverts commit b6ebab34f664ba1cc9479fc1287f127c12077509.
Revert "zebra, lib: store relative default ns id in each namespace"
This reverts commit 9d3555e06ccc68fe37e0a00100029ac4bad8dee2.
Revert "zebra, lib: add an internal API to get relative default nsid in other ns"
This reverts commit 97c9e7533bd22029ac19838c043cfca82d2f6eb3.
Revert "zebra: map vxlan interface to bridge interface with correct ns id"
This reverts commit 7c990878f20efff335c1211deda3ec50071ae2b5.
Revert "zebra: fdb and neighbor table are read for all zns"
This reverts commit f8ed2c5420106314a940cb67264494e0110fc4c0.
Revert "zebra: zvni_map_to_svi() adaptation for other network namespaces"
This reverts commit 2a9dccb6475bfc11af2b855c4c8ff9e500ba21f4.
Revert "zebra: display interface slave type"
This reverts commit fc3141393ad95651d31fccd144b5c029d00e5f3a.
Revert "zebra: zvni_from_svi() adaptation for other network namespaces"
This reverts commit 6fe516bd4b85569b3b8b4bcc2910afc5569aa026.
Revert "zebra: importation of bgp evpn rt5 from vni with other netns"
This reverts commit 28254125d06f65cc4344b6156eec76a37ec6aede.
Revert "lib, zebra: update interface name at netlink creation"
This reverts commit 1f7a68a2ff0ba1424131f30112e0cc1572f0bee3.
Signed-off-by: Pat Ruddy <pat@voltanet.io>
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Update ifname before hook
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the interface name was not present in the hook in charge of updating the
interface context to the registered hook service. For that, update the
name before informing it.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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when working with vrf netns backend, two bridges interfaces may have the
same bridge interface index, but not the same namespace. because in vrf
netns backend mode, a bridge slave always belong to the same network
namespace, then a check with the namespace id and the ns id of the
bridge interface permits to resolve correctly the interface pointer.
The problem could occur if a same index of two bridge interfaces can be
found on two different namespaces.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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an incoming bridge index has been found, that is linked with vxlan
interface, and the search for that bridge interface is done. In
vrf-lite, the search is done across the same default namespace, because
bridge and vxlan may not be in the same vrf. But this behaviour is wrong
when using vrf netns backend, as the bridge and the vxlan have to be in
the same vrf ( hence in the same network namespace). To comply with
that, use the netnamespace of the vxlan interface. Like that, the
appropriate nsid is passed as parameter, and consequently, the search is
correct, and the mac address passed to BGP will be ok too.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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In if_netlink.c, when an interface structure, ifp, is first created,
its possible for the master to come up after the slave interface does.
This means, the slave interface has no way to display the master's ifname
in show outputs. To fix this, we need to allow creation by ifindex instead
of by ifname so that this issue is handled.
Signed-off-by: Dinesh G Dutt<5016467+ddutt@users.noreply.github.com>
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BUP mcast IP address is maintained per-vxlan-device.
Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
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The interface type can be a bond or a bond slave, add some
code to note this and to display it as part of a show interface
command.
Signed-off-by: Dinesh Dutt <didutt@gmail.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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This improves code readability and also future-proofs our codebase
against new changes in the data structure used to store interfaces.
The FOR_ALL_INTERFACES_ADDRESSES macro was also moved to lib/ but
for now only babeld is using it.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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This is an important optimization for users running FRR on systems with
a large number of interfaces (e.g. thousands of tunnels). Red-black
trees scale much better than sorted linked-lists and also store the
elements in an ordered way (contrary to hash tables).
This is a big patch but the interesting bits are all in lib/if.[ch].
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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This fixes the broken indentation of several foreach loops throughout
the code.
From clang's documentation[1]:
ForEachMacros: A vector of macros that should be interpreted as foreach
loops instead of as function calls.
[1] http://clang.llvm.org/docs/ClangFormatStyleOptions.html
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>
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When the MAC changes for a local neighbor, ensure that the neighbor data
structure as well as the link between the neighbor and MAC data structures
is updated correctly.
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
Reviewed-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>
Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com>
Ticket: CM-17565
Reviewed By: CCR-6605
Testing Done: Manual, evpn-smoke
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Ensure that removal and addition of VxLAN interface from/to bridge is
handled correctly.
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Implement fundamental handling for VNIs and VTEPs:
- Handle EVPN enable/disable by client (advertise-all-vni)
- Create/update/delete VNIs based on VxLAN interface events and inform
client
- Handle VTEP add/delete from client and install into kernel
- New debug command for VxLAN/EVPN
- kernel interface (Linux/netlink only)
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Define interface types of interest and recognize the types. Store layer-2
information (VLAN Id, VNI etc.) for interfaces, process bridge interfaces
and map bridge members to bridge. Display all the additional information
to user (through "show interface").
Note: Only implemented for the netlink interface.
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com>
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