R3 veiw when the virtual link down. R3#show ip ospf database OSPF Router with ID (150.1.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 150.1.1.1 150.1.1.1 5 0x80000006 0x0094FD 4 150.1.3.3 150.1.3.3 305 0x80000006 0x003038 3 150.1.4.4 150.1.4.4 1892 0x80000004 0x005E57 4 150.1.5.5 150.1.5.5 311 0x80000008 0x00627A 7 150.1.6.6 150.1.6.6 3 (DNA) 0x80000002 0x00F325 1 150.1.22.22 150.1.22.22 312 0x80000006 0x0058C7 3 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 155.1.45.5 150.1.5.5 1908 0x80000001 0x006B1D Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 150.1.6.6 150.1.1.1 5 0x80000002 0x000BF1 150.1.6.6 150.1.4.4 1904 0x80000001 0x00E512 150.1.6.6 150.1.6.6 8 (DNA) 0x80000001 0x00C133 150.1.7.7 150.1.3.3 1903 0x80000001 0x00DD1A 150.1.7.7 150.1.6.6 8 (DNA) 0x80000001 0x00B63B 150.1.8.8 150.1.5.5 1893 0x80000001 0x00AE43 150.1.9.9 150.1.3.3 1903 0x80000001 0x00BD35 150.1.9.9 150.1.6.6 8 (DNA) 0x80000001 0x009656 150.1.10.10 150.1.5.5 1893 0x80000001 0x008E5E 150.1.22.22 150.1.22.22 303 0x80000001 0x009F15 155.1.5.0 150.1.5.5 1938 0x80000001 0x00D424 155.1.7.0 150.1.3.3 1903 0x80000001 0x00E217 155.1.7.0 150.1.6.6 8 (DNA) 0x80000001 0x00BB38 155.1.8.0 150.1.5.5 1893 0x80000001 0x00BD37 155.1.9.0 150.1.3.3 1903 0x80000001 0x00D620 155.1.9.0 150.1.6.6 8 (DNA) 0x80000001 0x00AF41 155.1.10.0 150.1.5.5 1893 0x80000001 0x00B140 155.1.13.0 150.1.1.1 6 0x80000002 0x00AE49 155.1.13.0 150.1.3.3 1938 0x80000001 0x00965E 155.1.23.0 150.1.3.3 965 0x80000001 0x0028C2 155.1.23.0 150.1.22.22 303 0x80000001 0x003094 155.1.37.0 150.1.3.3 1938 0x80000001 0x008D4F 155.1.37.0 150.1.6.6 8 (DNA) 0x80000001 0x007065 155.1.58.0 150.1.5.5 1938 0x80000001 0x008B38 155.1.67.0 150.1.3.3 1903 0x80000001 0x004C71 155.1.67.0 150.1.6.6 8 (DNA) 0x80000001 0x001B9D 155.1.79.0 150.1.3.3 1903 0x80000001 0x00C7E9 155.1.79.0 150.1.6.6 8 (DNA) 0x80000001 0x00A00B 155.1.108.0 150.1.5.5 1893 0x80000001 0x006D23 155.1.146.0 150.1.1.1 6 0x80000002 0x00F180 155.1.146.0 150.1.4.4 1939 0x80000001 0x00CCA0 155.1.146.0 150.1.6.6 8 (DNA) 0x80000001 0x00B2B6 Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 150.1.3.3 150.1.3.3 1903 0x80000003 0x002641 1 150.1.6.6 150.1.6.6 17 0x80000005 0x007C9D 1 150.1.7.7 150.1.7.7 1904 0x80000004 0x009CC4 6 150.1.9.9 150.1.9.9 2 (DNA) 0x80000003 0x00D6FE 4 Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 155.1.37.7 150.1.7.7 1904 0x80000001 0x00A0E7 155.1.67.7 150.1.7.7 1904 0x80000001 0x00A6BD Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 150.1.1.1 150.1.3.3 1880 0x80000001 0x00B973 150.1.1.1 150.1.6.6 17 0x80000002 0x0033C9 150.1.2.2 150.1.3.3 306 0x80000003 0x00A088 150.1.2.2 150.1.6.6 17 0x80000002 0x00859D 150.1.3.3 150.1.3.3 1948 0x80000001 0x0028D8 150.1.3.3 150.1.6.6 17 0x80000002 0x0070B0 150.1.4.4 150.1.3.3 1880 0x80000001 0x0051C0 150.1.4.4 150.1.6.6 17 0x80000002 0x0032D7 150.1.5.5 150.1.3.3 1881 0x80000001 0x0032DE 150.1.5.5 150.1.6.6 17 0x80000002 0x0013F5 150.1.6.6 150.1.3.3 1880 0x80000001 0x0031DB 150.1.6.6 150.1.6.6 17 0x80000002 0x00BF34 150.1.8.8 150.1.3.3 1880 0x80000001 0x00FC0D 150.1.8.8 150.1.6.6 17 0x80000002 0x00DD24 150.1.10.10 150.1.3.3 1880 0x80000001 0x00DC28 150.1.10.10 150.1.6.6 17 0x80000002 0x00BD3F 150.1.22.22 150.1.3.3 301 0x80000001 0x00FE04 150.1.22.22 150.1.6.6 298 0x80000005 0x00D91E 155.1.0.1 150.1.3.3 1881 0x80000001 0x0079B0 155.1.0.1 150.1.6.6 17 0x80000002 0x00F207 155.1.0.2 150.1.3.3 306 0x80000003 0x006BBB 155.1.0.2 150.1.6.6 17 0x80000002 0x0050D0 155.1.0.3 150.1.3.3 1938 0x80000001 0x00FD02 155.1.0.3 150.1.6.6 17 0x80000002 0x0046D9 155.1.0.4 150.1.3.3 1881 0x80000001 0x0032DF 155.1.0.4 150.1.6.6 17 0x80000002 0x0013F6 155.1.0.5 150.1.3.3 1881 0x80000001 0x001EF3 155.1.0.5 150.1.6.6 17 0x80000002 0x00FE0B 155.1.5.0 150.1.3.3 1881 0x80000001 0x0023ED 155.1.5.0 150.1.6.6 17 0x80000002 0x000405 155.1.8.0 150.1.3.3 1881 0x80000001 0x000C01 155.1.8.0 150.1.6.6 17 0x80000002 0x00EC18 155.1.10.0 150.1.3.3 1881 0x80000001 0x00FF0A 155.1.10.0 150.1.6.6 17 0x80000002 0x00E021 155.1.13.0 150.1.3.3 1938 0x80000001 0x00965E 155.1.13.0 150.1.6.6 17 0x80000002 0x007775 155.1.23.0 150.1.3.3 966 0x80000001 0x0028C2 155.1.23.0 150.1.6.6 968 0x80000001 0x007299 155.1.45.0 150.1.3.3 1881 0x80000001 0x00697F 155.1.45.0 150.1.6.6 17 0x80000002 0x004A96 155.1.58.0 150.1.3.3 1881 0x80000001 0x00D902 155.1.58.0 150.1.6.6 17 0x80000002 0x00BA19 155.1.108.0 150.1.3.3 1881 0x80000001 0x00BBEC 155.1.108.0 150.1.6.6 17 0x80000002 0x009C04 155.1.146.0 150.1.3.3 1881 0x80000001 0x00186A 155.1.146.0 150.1.6.6 18 0x80000002 0x00B0B7 Router Link States (Area 4) Link ID ADV Router Age Seq# Checksum Link count 150.1.1.1 150.1.1.1 5 0x80000004 0x001292 1 150.1.3.3 150.1.3.3 1908 0x80000003 0x00EBAF 1 Net Link States (Area 4) Link ID ADV Router Age Seq# Checksum 155.1.13.3 150.1.3.3 1908 0x80000001 0x008335 Summary Net Link States (Area 4) Link ID ADV Router Age Seq# Checksum 150.1.1.1 150.1.1.1 5 0x80000002 0x006A9D 150.1.1.1 150.1.3.3 1881 0x80000001 0x00B973 150.1.2.2 150.1.1.1 303 0x8000000A 0x008D82 150.1.2.2 150.1.3.3 307 0x80000003 0x00A088 150.1.3.3 150.1.1.1 303 0x80000008 0x007C93 150.1.3.3 150.1.3.3 1948 0x80000001 0x0028D8 150.1.4.4 150.1.1.1 303 0x8000000A 0x0025D3 150.1.4.4 150.1.3.3 1881 0x80000001 0x0051C0 150.1.5.5 150.1.1.1 303 0x8000000A 0x001ADB 150.1.5.5 150.1.3.3 1881 0x80000001 0x0032DE 150.1.6.6 150.1.1.1 5 0x80000002 0x000BF1 150.1.6.6 150.1.3.3 1881 0x80000001 0x0031DB 150.1.7.7 150.1.1.1 5 0x80000002 0x00FFF9 150.1.7.7 150.1.3.3 1904 0x80000001 0x00DD1A 150.1.8.8 150.1.1.1 5 0x80000003 0x00F203 150.1.8.8 150.1.3.3 1881 0x80000001 0x00FC0D 150.1.9.9 150.1.1.1 5 0x80000002 0x00DF15 150.1.9.9 150.1.3.3 1904 0x80000001 0x00BD35 150.1.10.10 150.1.1.1 5 0x80000003 0x00D21E 150.1.10.10 150.1.3.3 1881 0x80000001 0x00DC28 150.1.22.22 150.1.1.1 298 0x80000007 0x00EDFC 150.1.22.22 150.1.3.3 302 0x80000001 0x00FE04 155.1.0.1 150.1.1.1 6 0x80000002 0x002ADA 155.1.0.1 150.1.3.3 1881 0x80000001 0x0079B0 155.1.0.2 150.1.1.1 303 0x8000000A 0x0058B5 155.1.0.2 150.1.3.3 307 0x80000003 0x006BBB 155.1.0.3 150.1.1.1 303 0x80000008 0x0052BC 155.1.0.3 150.1.3.3 1939 0x80000001 0x00FD02 155.1.0.4 150.1.1.1 303 0x8000000A 0x0006F2 155.1.0.4 150.1.3.3 1881 0x80000001 0x0032DF 155.1.0.5 150.1.1.1 303 0x8000000A 0x0006F0 155.1.0.5 150.1.3.3 1881 0x80000001 0x001EF3 155.1.5.0 150.1.1.1 6 0x80000003 0x0019E3 155.1.5.0 150.1.3.3 1881 0x80000001 0x0023ED 155.1.7.0 150.1.1.1 6 0x80000002 0x0005F6 155.1.7.0 150.1.3.3 1904 0x80000001 0x00E217 155.1.8.0 150.1.1.1 6 0x80000003 0x0002F6 155.1.8.0 150.1.3.3 1881 0x80000001 0x000C01 155.1.9.0 150.1.1.1 6 0x80000002 0x00F8FF 155.1.9.0 150.1.3.3 1904 0x80000001 0x00D620 155.1.10.0 150.1.1.1 6 0x80000003 0x00F5FF 155.1.10.0 150.1.3.3 1881 0x80000001 0x00FF0A 155.1.23.0 150.1.1.1 303 0x80000003 0x00A56F 155.1.23.0 150.1.3.3 966 0x80000001 0x0028C2 155.1.37.0 150.1.1.1 6 0x80000002 0x00B924 155.1.37.0 150.1.3.3 1939 0x80000001 0x008D4F 155.1.45.0 150.1.1.1 6 0x80000003 0x005580 155.1.45.0 150.1.3.3 1881 0x80000001 0x00697F 155.1.58.0 150.1.1.1 6 0x80000003 0x00CFF7 155.1.58.0 150.1.3.3 1881 0x80000001 0x00D902 155.1.67.0 150.1.1.1 6 0x80000002 0x00645C 155.1.67.0 150.1.3.3 1904 0x80000001 0x004C71 155.1.79.0 150.1.1.1 6 0x80000002 0x00E9C9 155.1.79.0 150.1.3.3 1904 0x80000001 0x00C7E9 155.1.108.0 150.1.1.1 6 0x80000003 0x00B1E2 155.1.108.0 150.1.3.3 1882 0x80000001 0x00BBEC 155.1.146.0 150.1.1.1 6 0x80000002 0x00F180 155.1.146.0 150.1.3.3 1882 0x80000001 0x00186A Router Link States (Area 5) Link ID ADV Router Age Seq# Checksum Link count 150.1.3.3 150.1.3.3 307 0x80000007 0x00C0C2 1 150.1.22.22 150.1.22.22 273 0x80000007 0x002A0E 1 Net Link States (Area 5) Link ID ADV Router Age Seq# Checksum 155.1.23.3 150.1.3.3 272 0x80000002 0x004C37 Summary Net Link States (Area 5) Link ID ADV Router Age Seq# Checksum 150.1.1.1 150.1.3.3 1882 0x80000001 0x00B973 150.1.1.1 150.1.22.22 302 0x80000001 0x00C145 150.1.2.2 150.1.3.3 307 0x80000001 0x00A486 150.1.2.2 150.1.22.22 302 0x80000001 0x004597 150.1.3.3 150.1.3.3 1949 0x80000001 0x0028D8 150.1.3.3 150.1.22.22 302 0x80000001 0x00976B 150.1.4.4 150.1.3.3 1882 0x80000001 0x0051C0 150.1.4.4 150.1.22.22 302 0x80000001 0x005992 150.1.5.5 150.1.3.3 1882 0x80000001 0x0032DE 150.1.5.5 150.1.22.22 302 0x80000001 0x003AB0 150.1.6.6 150.1.3.3 1882 0x80000001 0x0031DB 150.1.6.6 150.1.22.22 302 0x80000001 0x0039AD 150.1.7.7 150.1.3.3 1904 0x80000001 0x00DD1A 150.1.7.7 150.1.22.22 302 0x80000001 0x004DAC 150.1.8.8 150.1.3.3 1882 0x80000001 0x00FC0D 150.1.8.8 150.1.22.22 302 0x80000001 0x0005DE 150.1.9.9 150.1.3.3 1904 0x80000001 0x00BD35 150.1.9.9 150.1.22.22 302 0x80000001 0x002DC7 150.1.10.10 150.1.3.3 1882 0x80000001 0x00DC28 150.1.10.10 150.1.22.22 302 0x80000001 0x00E4F9 150.1.22.22 150.1.3.3 302 0x80000001 0x00FE04 150.1.22.22 150.1.22.22 302 0x80000001 0x009F15 155.1.0.1 150.1.3.3 1882 0x80000001 0x0079B0 155.1.0.1 150.1.22.22 302 0x80000001 0x008182 155.1.0.2 150.1.3.3 308 0x80000001 0x006FB9 155.1.0.2 150.1.22.22 302 0x80000001 0x0010CA 155.1.0.3 150.1.3.3 1939 0x80000001 0x00FD02 155.1.0.3 150.1.22.22 302 0x80000001 0x006D94 155.1.0.4 150.1.3.3 1882 0x80000001 0x0032DF 155.1.0.4 150.1.22.22 302 0x80000001 0x003AB1 155.1.0.5 150.1.3.3 1882 0x80000001 0x001EF3 155.1.0.5 150.1.22.22 302 0x80000001 0x0026C5 155.1.5.0 150.1.3.3 1882 0x80000001 0x0023ED 155.1.5.0 150.1.22.22 302 0x80000001 0x002BBF 155.1.7.0 150.1.3.3 1904 0x80000001 0x00E217 155.1.7.0 150.1.22.22 302 0x80000001 0x0052A9 155.1.8.0 150.1.3.3 1882 0x80000001 0x000C01 155.1.8.0 150.1.22.22 302 0x80000001 0x0014D2 155.1.9.0 150.1.3.3 1904 0x80000001 0x00D620 155.1.9.0 150.1.22.22 302 0x80000001 0x0046B2 155.1.10.0 150.1.3.3 1882 0x80000001 0x00FF0A 155.1.10.0 150.1.22.22 302 0x80000001 0x0008DB 155.1.13.0 150.1.3.3 1940 0x80000001 0x00965E 155.1.13.0 150.1.22.22 303 0x80000001 0x0006F0 155.1.37.0 150.1.3.3 1940 0x80000001 0x008D4F 155.1.37.0 150.1.22.22 303 0x80000001 0x00FCE1 155.1.45.0 150.1.3.3 1882 0x80000001 0x00697F 155.1.45.0 150.1.22.22 303 0x80000001 0x007151 155.1.58.0 150.1.3.3 1882 0x80000001 0x00D902 155.1.58.0 150.1.22.22 303 0x80000001 0x00E1D3 155.1.67.0 150.1.3.3 1905 0x80000001 0x004C71 155.1.67.0 150.1.22.22 303 0x80000001 0x00BB04 155.1.79.0 150.1.3.3 1905 0x80000001 0x00C7E9 155.1.79.0 150.1.22.22 303 0x80000001 0x00377C 155.1.108.0 150.1.3.3 1882 0x80000001 0x00BBEC 155.1.108.0 150.1.22.22 303 0x80000001 0x00C3BE 155.1.146.0 150.1.3.3 1882 0x80000001 0x00186A 155.1.146.0 150.1.22.22 303 0x80000001 0x00203C R3# %OSPF-4-ERRRCV: Received invalid packet: mismatched area ID from backbone area from 155.1.23.2, GigabitEthernet0/1.23 R3# R3# show ip ospf virtual-links Virtual Link OSPF_VL0 to router 150.1.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 5 Topology-MTID Cost Disabled Shutdown Topology Name 0 65535 no no Base Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#