> Hello all, > > > > We are currently troubleshooting an old, badly-documented, non-supported, > CLNS/IS-IS network (for management of Alcatel NEs). > > > > One of the issues we have identified is IS-IS routes not being announced by > one router to another (this might or might not explain the overall problem > of no connectivity, but let=92s go step by step). > > > > The two routers are ALGiers and ORAn, directly connected with a serial E1 > link. > > > > The adjacency looks good to me. Algiers correctly sees Oran (and has a CLNS > neighborship with the server we are interested in): > > > > ALG2-R26-01#sh clns ne > > > > System Id Interface SNPA State Holdtime Type > Protocol > > 0007.729E.FFEE Et0/1 0007.729e.ffee Up 92 L1 > IS-IS > > 0007.72A2.FEA6 Et0/1 0007.72a2.fea6 Up 91 L1 > IS-IS > > 0020.602B.CBB4 Et0/1 0020.602b.cbb4 Up 95 L1 > IS-IS > > 0020.6013.2DD2 Et0/1 0020.604a.972e Up 92 L1 > IS-IS > > --> 0030.6E4B.455C Et0/1 0011.85c7.3ec0 Up 97 L1 > IS-IS <----- Server > > 0030.6E4B.47DB Et0/1 0012.799d.51a6 Up 95 L1 > IS-IS > > rtrnoc01 Et0/1 0014.1ce6.60fd Up 9 L1L2 > IS-IS > > rtrann01 Se0/2 *PPP* Up 24 L1L2 > IS-IS > > --> rtrora01 Se0/3 *PPP* Up 26 L1L2 > IS-IS <----- Oran router > > 1880.F524.8FF0 Et0/1 1880.f52d.958e Init 48 L1 > IS-IS > > ALG2-R26-01# > > > > Oran sees Algiers: > > > > ORA1-R26-01#sh clns ne > > > > System Id Interface SNPA State Holdtime Type > Protocol > > 0020.6013.37F2 Fa0/1 0020.6013.37f2 Up 96 L1 > IS-IS > > --> rtrnal01 Se0/1/1:0 *PPP* Up 24 L1L2 > IS-IS <----- Algiers router > > rtralg01 Se0/1/0:0 *PPP* Up 28 L1L2 > IS-IS > > 0020.602B.CF8A Fa0/1 0020.602b.cf8a Up 46 L1 > IS-IS > > 0080.9F20.0931 Fa0/1 0080.9f20.03a3 Up 93 L1 > IS-IS > > ORA1-R26-01# > > > > But Oran does not seem receive from Algiers any of its 6 CLNS neighbors > (and that includes the server): > > > > ORA1-R26-01#sh isis route | i 455C > > ORA1-R26-01# > > > > (You might have noticed that the CLNS names are not consistent with the > hostnames, but CDP does confirm the situation > > > > ALG2-R26-01#sh cdp ne > > > > Device ID Local Intrfce Holdtme Capability Platform > Port ID > > ORA1-R26-01 Ser 0/3 163 R S I Cisco > 2801Ser 0/1/1:0 > > (...) > > ) > > > All seven routers in the network have already been rebooted. > > > > Any idea why this inconsistency, or on how to troubleshoot further? > > > > Thanks, > > > > Vincent > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ >
Send the output of: sh isis database detail >From all routers.. --P _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
