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Cisco Systems BC-145 manual

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Table of contents for the manual

  • Page 1

    BC-145 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Configuring Token Ring Inter-Switch Link This chapter e xplains ho w to conf igure T oken Ring I nter-Swit ch Link (TRISL) on Cisco routers. The chapter describes TRISL in the co ntext of the I nter-Swi tch Link (ISL) protocol and the T oken Ring VLAN concept. For a comp[...]

  • Page 2

    Configuring Token Rin g Inter-Switch Link Technology Overview BC-146 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 TRISL support on Cisco router s provi des inter-V LAN routing and brid ging across a 100-Mb Fast Ethernet link. ISL and TRISL together pro vide routing and bridging between T oken Ring and Ethernet LANs, ELANS[...]

  • Page 3

    Configuring Tok en Ring Inter-Switch Link Technology Overview BC-147 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Token Ring VLANs A VLAN is essentially a broadcast domain. In transpar ent bridgin g, there is only one type of broadcast frame and, therefore, onl y one le vel of broadcast domai n and one le vel of VLAN. In[...]

  • Page 4

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Task List BC-148 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 54 illust rates a T rBRF that contains TrCRFs o n both a router an d a switch. Figur e 54 T rCRFs in a T rBRF TRISL Configuration Task List T o config ure and monitor TRISL in your netw ork, p[...]

  • Page 5

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Task List BC-149 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Y ou c an configure TRISL to route sourc e-routed tr aff ic by enabling the co llection and use of RIF information on a TRISL subinterface. This creates a “pseudoring” to terminate the RIF path [...]

  • Page 6

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Task List BC-150 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 T o customize hot standby g roup attributes, use one of the follo wing commands in interface conf iguration mode, as need ed: Configuring IPX Routing over TRISL The IPX Routing o ver ISL VLANs featu [...]

  • Page 7

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Task List BC-151 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Note The default IPX encapsulation format for T oken Ri ng in Cisco IOS rou ters is SAP . Therefore, you only need to e xplicitly conf igure the IPX encaps ulati on type if your T oken Ri ng network[...]

  • Page 8

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Task List BC-152 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Configuring Source-Route Translational Bridging over TRISL T o configur e source-rout e translat ional bridging o v e r TRISL, use the follo wing co mmands beg inning in global conf iguration mode: N[...]

  • Page 9

    Configuring Tok en Ring Inter-Switch Link Monitori ng TRISL Statisti cs BC-153 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 T o enable the automatic spanni ng-tree function for a specif ied group of bridged interfaces in SRB o r SR/TLB, use the follo wing command in interf ace configuration mode: Monitoring TRISL Statist[...]

  • Page 10

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-154 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 TRISL Configuration Examples The follo wing sections provide TRISL conf iguration examples: • IP Routing Non-Sour ce-Routed Frames Betwee n a TRISL VLAN and a T oken Ri ng Interface Example, page 15[...]

  • Page 11

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-155 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 IP Routing Non-Source-Routed Frames Between a TRISL VLAN and a Token Ring Interface Example Figure 55 illust rates IP routing between a TRISL VLAN and a T oken Ring interf ace. Figur e 55 IP Routing [...]

  • Page 12

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-156 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 IP Routing Source-Routed Frames Be tween a TRISL VLAN and a Token Ring Interface Example Figure 56 illust rates IP routing source-routed fram es between a TRISL VLAN and a T oke n Ring interface. Figu[...]

  • Page 13

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-157 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 IP Routing Source-Route Frames Between a TRISL VLAN and an Ethernet ISL VLAN Example Figure 57 illust rates IP routing sour ce-route frames between a TRISL VLAN and an Ethernet ISL VLAN. Figure 57 IP[...]

  • Page 14

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-158 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 IP Routing Source-Routed Frames Between TRISL VLANs Example Figure 58 illust rates IP routing source-rout ed frames between two T rBRF VLANs. Figure 58 IP Routing Source-Routed F rames Between T rBRF [...]

  • Page 15

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-159 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 IPX Routing Non-Source-Routed Frames Between a TRISL VLAN and a Token Ring Interface Example Figure 59 sho ws IPX routing non-source-routed f rames between a TRISL V LAN and a T oken Ring interface. [...]

  • Page 16

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-160 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 IPX Routing Source-Routed Frames Between a TRISL VLAN and a Token Ring Interface Example Figure 60 sho ws IPX routing source-routed fr ames be tween a TRISL VLAN and a T oken Ring interface. Figur e 6[...]

  • Page 17

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-161 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 IPX Routing Source-Route Frames Between a TRISL VLAN and an Ethernet ISL VLAN Example Figure 61 sho w s IPX routing source-route frames between a TRISL VLAN and an Ethernet ISL VLAN. Figur e 61 IPX R[...]

  • Page 18

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-162 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 IPX Routing Source-Routed Frames Between TRISL VLANs Example Figure 62 sho ws IPX source-routed frame s between TRISL VLANs. Figure 62 IPX Routing Source-Route d Fr ames Be tween TRISL VLANs The follo[...]

  • Page 19

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-163 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 #add token port to trcrf 50 set vlan 50 5/2 set trunk 1/2 on SRB Between Token Ring and TRISL VLAN Example Figure 63 illustrates SRB between a T oken Ring interface on a router and a TRISL VLAN. Figu[...]

  • Page 20

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-164 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 SRB Between TRISL VLANs Example Figure 64 illust rates SRB between two T rCRF VLANs. Figur e 64 SRB Betw een TRISL VLANs The follo wing is the configur ation for the router: source-bridge ring-group 1[...]

  • Page 21

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-165 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 #add token port to trcrf 40 set vlan 40 5/1 #add token port to trcrf 50 set vlan 50 5/2 #enable trunk set trunk 1/2 on[...]

  • Page 22

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-166 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Transparent Bridging Between To ken Ring and TRISL VLAN Example Figure 65 illus trates transp arent bridging between a ro uter’ s T oken Ri ng in te rface and a TRISL VLAN. Figur e 65 T ransparent B[...]

  • Page 23

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-167 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 SR/TLB Between a TRISL VLAN and an Ethernet Interface Example Figure 66 illustrates SR/TLB between a TRIS L VLAN and an Ethernet interface. Figure 66 SR/TLB Between a TRISL VLAN and an Ether net Inte[...]

  • Page 24

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-168 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 SR/TLB Between a TRISL VLAN and an Ethernet ISL VLAN Example Figure 67 illust rates SR/TLB between a TRIS L VLAN and an Etherne t ISL VLAN. Figure 67 SR/TLB Between a TRISL VLAN and an Ether net ISL V[...]

  • Page 25

    Configuring Tok en Ring Inter-Switch Link TRISL Configuration Examples BC-169 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 TRISL with Fast EtherChannel Example Figure 68 illust rates TRISL with Fast EtherChannel. Figure 68 Sample Configuration of TR ISL with Fast EtherChannel The follo wing is the configurat ion for the [...]

  • Page 26

    Configuring Token Rin g Inter-Switch Link TRISL Configuration Examples BC-170 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 set vlan 30 name VLAN0030 type trbrf mtu 4472 said 100030 state active bridge 0x2 stp ieee set vlan 22 name VLAN0022 type trcrf mtu 4472 said 100022 state active parent 20 ring 0x1 mode srt aremaxhop [...]