[zebra.conf] Avoid zebra crash upon empty configuration#2203
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lguohan merged 2 commits intosonic-net:masterfrom Oct 29, 2018
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[zebra.conf] Avoid zebra crash upon empty configuration#2203lguohan merged 2 commits intosonic-net:masterfrom
lguohan merged 2 commits intosonic-net:masterfrom
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qiluo-msft
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prsunny
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* [202012] - sonic-swss submodule update to include following commits: fca407a (HEAD) [VNET]Fixing nexthop group delete during route change (#2198) a9b6b47 [vxlan] Remove tunnel map objects on VNET tunnel removal (#2208) 74e9b9f [FdbOrch] SAI_FDB_EVENT_MOVE generates update with empty update.entry.port_name (#2201) 0a99445 [202012][BFD]Registering BFD state change callback during session creation (#2203) aebe4a1 [VS test] skip dpb flaky test (#2195) (#2207)
liushilongbuaa
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- What I did
Current zebra.conf template will generate an invalid configuration file and crash zebra process, when no ipv4 loopback address is defined. Though this will not happen during normal use case, it could cause unexpected zebra crash log when applying 'empty' preset configurations. This change intends to fix this problem.
- How I did it
Add check in zebra.conf template similar to what we are doing for ipv6 loopback addresses