The router's ethernet must be 100 full dux. You configure subinterfaces on the ethernet. a trunking protocol must be configured on each sub with the corresponding vlan #. The router will route between Vlans.
Hope this helps. Danny ""George Siaw"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Thanks for all your responses. > > One last question though. For external router, routing between vlans if > I have just one FastEthernet interface on the router can I route between > vlans? > > George. > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of > Scott H. > Sent: 23 March 2002 00:53 > To: [EMAIL PROTECTED] > Subject: Re: ISL Trunking from a h/w's perspective [7:39246] > > The only time the SC0 interface comes into play is for telnet into the > box. > If you have any 100 MB ports on your switch, you can run trunking. > > set trunk (mod/port) on isl > > If this trunk is running into a router, you need to create the > subinterfaces > on the router to enable routing between VLANS. > > int fa1/0.100 > ip address (the subnet of the vlan) > encap isl (the vlan #) > > HTH, > Scott > > ""George Siaw"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Do I need an Sc0 port when routing between Vlans? However, there's no > > uplink module on neither of my supervisor engines. Would you know a > s/w > > work around without having to buy the module? > > > > George. > > > > -----Original Message----- > > From: Larry Letterman [mailto:[EMAIL PROTECTED]] > > Sent: 23 March 2002 00:17 > > To: George Siaw; [EMAIL PROTECTED] > > Subject: RE: ISL Trunking from a h/w's perspective [7:39246] > > > > You dont have to configure SC0 interface to do isl or dot1q. Its only > > needed > > for management, telnet etc... > > > > > > Larry Letterman > > Cisco Systems > > [EMAIL PROTECTED] > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > > George Siaw > > Sent: Friday, March 22, 2002 3:45 PM > > To: [EMAIL PROTECTED] > > Subject: ISL Trunking from a h/w's perspective [7:39246] > > > > > > Guys, > > > > > > > > Any ideas as how I can configure isl trunking without an Sc0 port on > the > > supervisor engines? Can I configure on of the ports to assume this > > position i.e. Sc0? If so what are the cmds? > > > > > > > > Regards, > > > > George. > > > > > > > > Configs as below: > > > > > > > > Console> (enable) sh mod 1 > > > > Mod Module-Name Ports Module-Type Model > Serial-Num > > Status > > > > --- ------------------- ----- --------------------- --------- > --------- > > ------- > > > > 1 ENGINE-1 0 Supervisor III WS-X5530 > 012144234 > > ok > > > > > > > > Mod MAC-Address(es) Hw Fw Sw > > > > --- -------------------------------------- ------ ---------- > > ----------------- > > > > 1 00-50-f0-0c-64-00 to 00-50-f0-0c-67-ff 3.0 3.1.2 4.3(1a) > > > > > > > > Mod Sub-Type Sub-Model Sub-Serial Sub-Hw > > > > --- -------- --------- ---------- ------ > > > > 1 NFFC+ WS-F5531 0012153640 1.0 > > > > > > > > Console> (enable) sh mod > > > > Mod Module-Name Ports Module-Type Model > Serial-Num > > Status > > > > --- ------------------- ----- --------------------- --------- > --------- > > ------- > > > > 1 ENGINE-1 0 Supervisor III WS-X5530 > 012144234 > > ok > > > > 2 ENGINE-2 0 Supervisor III WS-X5530 > 010867093 > > standby > > > > 3 CCIE_LAB-0 24 10/100BaseTX Ethernet WS-X5224 > 012154555 > > ok > > > > 4 CCIE_LAB-1 24 10/100BaseTX Ethernet WS-X5224 > 009616952 > > ok > > > > 5 CCIE_LAB-2 24 10/100BaseTX Ethernet WS-X5224 > 016372420 > > ok > > > > > > > > Mod MAC-Address(es) Hw Fw Sw > > > > --- -------------------------------------- ------ ---------- > > ----------------- > > > > 1 00-50-f0-0c-64-00 to 00-50-f0-0c-67-ff 3.0 3.1.2 4.3(1a) > > > > 2 00-50-f0-0c-64-00 to 00-50-f0-0c-67-ff 2.0 3.1.2 4.3(1a) > > > > 3 00-50-53-c4-42-08 to 00-50-53-c4-42-1f 1.4 3.1(1) 4.3(1a) > > > > 4 00-10-7b-83-36-d8 to 00-10-7b-83-36-ef 1.4 3.1(1) 4.3(1a) > > > > 5 00-30-b6-29-95-48 to 00-30-b6-29-95-5f 1.5 3.1(1) 4.3(1a) > > > > > > > > Mod Sub-Type Sub-Model Sub-Serial Sub-Hw > > > > --- -------- --------- ---------- ------ > > > > 1 NFFC+ WS-F5531 0012153640 1.0 > > > > 2 NFFC WS-F5521 0010866222 1.1 > > > > > > > > Console> (enable) sh ver > > > > WS-C5505 Software, Version McpSW: 4.3(1a) NmpSW: 4.3(1a) > > > > Copyright (c) 1995-1998 by Cisco Systems > > > > NMP S/W compiled on Nov 23 1998, 15:22:34 > > > > MCP S/W compiled on Nov 23 1998, 15:19:30 > > > > > > > > System Bootstrap Version: 3.1.2 > > > > > > > > Hardware Version: 1.0 Model: WS-C5505 Serial #: 066526573 > > > > > > > > Mod Port Model Serial # Versions > > > > --- ---- ---------- --------- ---------------------------------------- > > > > 1 0 WS-X5530 012144234 Hw : 3.0 > > > > Fw : 3.1.2 > > > > Fw1: 4.2(1) > > > > Sw : 4.3(1a) > > > > 2 0 WS-X5530 010867093 Hw : 2.0 > > > > Fw : 3.1.2 > > > > Fw1: 4.2(1) > > > > Sw : 4.3(1a) > > > > 3 24 WS-X5224 012154555 Hw : 1.4 > > > > Fw : 3.1(1) > > > > Sw : 4.3(1a) > > > > 4 24 WS-X5224 009616952 Hw : 1.4 > > > > Fw : 3.1(1) > > > > Sw : 4.3(1a) > > > > 5 24 WS-X5224 016372420 Hw : 1.5 > > > > Fw : 3.1(1) > > > > Sw : 4.3(1a) > > > > > > > > DRAM FLASH NVRAM > > > > Module Total Used Free Total Used Free Total Used > Free > > > > ------ ------- ------- ------- ------- ------- ------- ----- ----- > ----- > > > > 1 32640K 13381K 19259K 8192K 3984K 4208K 512K 116K > 396K > > > > > > > > Uptime is 0 day, 0 hour, 13 minutes > > _________________________________________________________ > > Do You Yahoo!? > > Get your free @yahoo.com address at http://mail.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=39258&t=39246 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
