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This appendix provides real-world examples of Layer 3 switching configurations.
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Note The IP, IPX, and network addresses in these examples are generic addresses, so you must replace them with the actual addresses for your network. |
version 12.0 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname cat2948G-L3 ! no logging console enable secret 5 $1$1$1$1$1$1$1$1$1$ enable password changme ! sdm size ipx-bvi-network 32 sdm size ip-adjacency 1056 sdm size ipx-node 1024 sdm size ip-prefix 8000 sdm size ipx-network 2048 sdm size ip-mcast 2000 sdm size udp-flooding 512 sdm size l2-switching 5000 sdm autolearn ip subnet-zero no ip domain-lookup ip multicast-routing ipx routing 0050.3e7b.c800 bridge irb ! ! ! interface Port-channel1 ip address 1.200.0.1 255.255.0.0 no ip redirects no ip unreachables no ip directed-broadcast ipx network 1200 encapsulation ARPA hold-queue 300 in ! interface FastEthernet1 no ip address no ip directed-broadcast ! interface FastEthernet1.100 encapsulation isl 100 ip address 1.1.0.1 255.255.0.0 no ip redirects no ip directed-broadcast ip pim dense-mode ipx network 1001 encapsulation ARPA ! interface FastEthernet2 no ip address no ip redirects no ip directed-broadcast ! interface FastEthernet2.200 encapsulation isl 200 ip address 1.2.0.1 255.255.0.0 no ip redirects no ip directed-broadcast ip pim dense-mode ipx network 1002 encapsulation ARPA ! interface FastEthernet3 no ip address no ip directed-broadcast ! interface FastEthernet4 no ip address no ip directed-broadcast bridge-group 10 ! interface FastEthernet5 no ip address no ip redirects no ip unreachables no ip directed-broadcast bridge-group 10 ! interface FastEthernet6 no ip address no ip directed-broadcast bridge-group 10 ! interface FastEthernet7 no ip address no ip directed-broadcast bridge-group 10 ! interface FastEthernet8 no ip address no ip directed-broadcast shutdown ! <information deleted>
interface FastEthernet47 no ip address no ip directed-broadcast shutdown ! interface FastEthernet48 ip address 24.0.4.4 255.0.0.0 no ip directed-broadcast shutdown duplex full speed 10 ! interface GigabitEthernet49 no ip address no ip directed-broadcast channel-group 1 ! interface GigabitEthernet50 no ip address no ip directed-broadcast channel-group 1 ! interface BVI10 ip address 1.3.0.1 255.255.0.0 no ip directed-broadcast no ip route-cache cef ipx network 1003 encapsulation ARPA ! router eigrp 100 network 1.0.0.0 ! ip classless ! ! bridge 10 protocol ieee bridge 10 route ip bridge 10 route ipx ! line con 0 exec-timeout 0 0 transport input none line aux 0 line vty 0 4 password changme login ! end
Helper addresses facilitate connectivity by forwarding certain broadcasts to a target server. In this example, an IP Helper address identifies the Dynamic Host Configuration Protocol (DHCP) server IP address. This configuration also includes configuration for IP multicast, Distance Vector Multicast Routing Protocol (DVMRP), tunneling, and Protocol Independent Multicast (PIM) in sparse mode.
version 12.0 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname cat2948g-L3 ! no logging console enable secret 5 $1$1$1$1$1$1$1$1$1$1$1$ enable password changeme ! sdm size ipx-bvi-network 32 sdm size ip-adjacency 1056 sdm size ipx-node 1024 sdm size ip-prefix 8000 sdm size ipx-network 2048 sdm size ip-mcast 2000 sdm size udp-flooding 512 sdm size l2-switching 5000 sdm autolearn ip subnet-zero no ip domain-lookup ipx routing 0050.3e7b.c800 ! ! ! interface FastEthernet1 ip address 172.69.95.197 255.255.255.192 no ip directed-broadcast ! interface FastEthernet1 description Bldg 1 Network A ip address 172.69.93.1 255.255.255.192 ip helper-address 172.69.2.74 ip helper-address 172.69.2.123 ip helper-address 172.69.30.31 ip helper-address 172.69.2.121 ip helper-address 172.71.84.140 ip helper-address 172.69.67.35 no ip redirects no ip directed-broadcast ip pim sparse-mode standby priority 200 standby preempt standby ip 172.69.93.6 ! interface FastEthernet2 ip address 172.69.90.1 255.255.255.0 ip helper-address 172.69.2.74 ip helper-address 172.69.2.123 ip helper-address 172.69.30.31 ip helper-address 172.69.2.121 ip helper-address 172.71.84.140 ip helper-address 172.69.67.35 no ip redirects no ip directed-broadcast ip pim sparse-mode standby priority 200 standby preempt standby ip 172.69.90.6 ! interface FastEthernet3 ip address 172.69.91.1 255.255.255.0 ip helper-address 172.69.2.74 ip helper-address 172.69.2.123 ip helper-address 172.69.30.31 ip helper-address 172.69.2.121 ip helper-address 172.71.84.140 ip helper-address 172.69.67.35 no ip redirects no ip directed-broadcast ip pim sparse-mode standby priority 200 standby preempt standby ip 172.69.91.6 ! interface FastEthernet4 description Building 2 Network A ip address 172.69.88.1 255.255.255.192 ip helper-address 172.69.2.74 ip helper-address 172.69.2.123 ip helper-address 172.69.30.31 ip helper-address 172.69.2.121 ip helper-address 172.71.84.140 ip helper-address 172.69.67.35 no ip redirects no ip directed-broadcast ip pim sparse-mode standby priority 200 standby preempt standby ip 172.69.88.6 ! interface FastEthernet5 description Building 3 Network A ip address 172.69.89.1 255.255.255.192 ip helper-address 172.69.2.74 ip helper-address 172.69.2.123 ip helper-address 172.69.30.31 ip helper-address 172.69.2.121 ip helper-address 172.71.84.140 ip helper-address 172.69.67.35 no ip redirects no ip directed-broadcast ip pim sparse-mode standby priority 200 standby preempt standby ip 172.69.89.6 ! interface FastEthernet6 no ip address no ip directed-broadcast ! <information deleted> interface FastEthernet47 no ip address no ip directed-broadcast shutdown ! interface FastEthernet48 ip address 24.0.4.4 255.0.0.0 no ip directed-broadcast shutdown duplex full speed 10 ! interface GigabitEthernet49 no ip address no ip directed-broadcast shutdown ! interface GigabitEthernet50 no ip address no ip directed-broadcast shutdown ! ! router eigrp 109 network 172.69.0.0 no auto-summary ! ip pim accept-rp auto-rp ip pim accept-rp 172.69.10.13 logging 172.69.43.19 snmp-server community 8540 RO 98 snmp-server community Cisco RW 99 snmp-server host 172.69.43.19 traps public tacacs-server host 172.69.2.210 tacacs-server host 172.69.35.87 tacacs-server timeout 15 ! line con 0 password 7 071B245F5A transport input none line aux 0 password 7 071B245F5A line vty 0 exec-timeout 0 0 login authentication admin line vty 1 exec-timeout 0 0 login authentication admin length 57 line vty 2 4 exec-timeout 0 0 login authentication admin ! end
version 12.0 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname cat4908G-L3 ! no logging console enable secret 5 $1$1$1$1$1$1$1$1$1$ enable password changme ! sdm size ipx-bvi-network 32 sdm size ip-adjacency 1056 sdm size ipx-node 1024 sdm size ip-prefix 8000 sdm size ipx-network 2048 sdm size ip-mcast 2000 sdm size l2-switching 5000 sdm autolearn ! ! interface GigabitEthernet1 no ip address no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet2 no ip address no ip directed-broadcast bridge-group 1 <information deleted>
interface GigabitEthernet7 no ip address no ip directed-broadcast bridge-group 1 ! interface GigabitEthernet8 no ip address no ip directed-broadcast bridge-group 1 ! no ip routing bridge 1 protocol ieee ! line con 0 exec-timeout 0 0 transport input none line aux 0 line vty 0 4 password changme login ! end
Posted: Thu Sep 7 09:25:02 PDT 2000
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