Jeff, use the 'show interface FastEthernet0/0' command on this router (R3) and see a problem:
'duplex mismatch discovered on FastEthernet0/0 ''(not full duplex)'' <- this interface not operate in fullduplex mode.' Att, AB 2010/8/17 Alessandro Braga <[email protected]>: > Verify duplex and speed configurations on interface, the rule is: > autoXauto, forcedXforced. If problem not solve, disable cdp. > > Att, > AB > > > > 2010/8/17 Jeferson Guardia <[email protected]>: >> Guys, >> >> Anyone knows how to solve this on dynamips? (router with lan switch >> connection) - I thought that setting >> speed auto would solve it. >> >> R3# >> *Mar 1 00:12:08.323: %SYS-5-CONFIG_I: Configured from console by console >> *Mar 1 00:12:10.027: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed >> state t >> o up >> *Mar 1 00:12:11.027: %LINEPROTO-5-UPDOWN: Line protocol on Interface >> FastEthern >> et0/0, changed state to up >> *Mar 1 00:12:23.527: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on >> Fast >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full duplex). >> *Mar 1 00:12:24.079: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on >> Fast >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full duplex). >> *Mar 1 00:12:26.295: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on >> Fast >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full duplex). >> *Mar 1 00:13:10.571: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on >> Fast >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full duplex). >> R3# >> R3# >> *Mar 1 00:13:59.455: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on >> Fast >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full duplex). >> >> >> Rgs, >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
