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addons: address: never reset mtu on lo implicity

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we should leave the mtu on lo to the default mtu
if user has not requested to change it. lo has
a larger mtu because it does not really depend on a
physical mtu.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
This commit is contained in:
Roopa Prabhu
2016-08-08 15:46:13 -07:00
parent ba6e24ea20
commit 95432c3b81
1 changed files with 1 additions and 1 deletions
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2
addons/address.py
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@@ -314,7 +314,7 @@ class address(moduleBase):
mtu = ifaceobj.get_attr_value_first('mtu')
if mtu:
self.ipcmd.link_set(ifaceobj.name, 'mtu', mtu)
elif (not ifaceobj.link_kind and
elif (not (ifaceobj.name == 'lo') and not ifaceobj.link_kind and
not (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and
self.default_mtu):
# logical devices like bridges and vlan devices rely on mtu