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[swss][arp_update] Send ipv6 pings over vlan sub interfaces #8363

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Aug 7, 2021
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[swss][arp_update] Send ipv6 pings over vlan sub interfaces #8363

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1 change: 1 addition & 0 deletions files/build_templates/arp_update_vars.j2
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
{
"interface": "{% for (name, prefix) in INTERFACE|pfx_filter %}{% if prefix|ipv6 %}{{ name }} {% endif %}{% endfor %}",
"pc_interface" : "{% for (name, prefix) in PORTCHANNEL_INTERFACE|pfx_filter %}{% if prefix|ipv6 %}{{ name }} {% endif %}{% endfor %}",
"vlan_sub_interface": "{% for (name, prefix) in VLAN_SUB_INTERFACE|pfx_filter %}{% if prefix|ipv6 %}{{ name }} {% endif %}{% endfor %}",
"vlan" : "{% if VLAN %}{{ VLAN.keys() | join(' ') }}{% endif %}"
}
3 changes: 2 additions & 1 deletion files/scripts/arp_update
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Expand Up @@ -14,8 +14,9 @@ while /bin/true; do
ARP_UPDATE_VARS=$(sonic-cfggen -d -t ${ARP_UPDATE_VARS_FILE})
INTERFACE=$(echo $ARP_UPDATE_VARS | jq -r '.interface')
PC_INTERFACE=$(echo $ARP_UPDATE_VARS | jq -r '.pc_interface')
VLAN_SUB_INTERFACE=$(echo $ARP_UPDATE_VARS | jq -r '.vlan_sub_interface')

ALL_INTERFACE="$INTERFACE $PC_INTERFACE"
ALL_INTERFACE="$INTERFACE $PC_INTERFACE $VLAN_SUB_INTERFACE"
for intf in $ALL_INTERFACE; do
ping6cmd="ping6 -I $intf -n -q -i 0 -c 1 -W 0 ff02::1 >/dev/null"
intf_up=$(ip link show $intf | grep "state UP")
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