■IOU L3を使ったOSPFv3 (IPv6)検証環境を追加する。 $ ps axo pid,pcpu,pmem,cmd | \ awk 'BEGIN{l=0} /CPU|i86bi-linux-l/&&!/BEGIN/{cpu+=$2;mem+=$3;gsub("/.*/","",$0);print l,$0;l+=1} \ END{print "Total "cpu,mem}' 0 PID %CPU %MEM CMD 1 2467 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 4 2 2468 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 5 3 2495 1.2 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 2 4 2516 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 6 5 2520 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 3 6 2539 1.2 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 1 7 2557 1.2 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 8 8 2560 2.2 0.5 i86bi-linux-l2-ipbasek9-15.1g.bin -e 8 -s 0 7 9 15435 1.5 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 16 10 15436 1.5 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 17 11 15437 1.5 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 18 12 15438 1.5 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 15 13 22033 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 10 14 22043 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 13 15 22063 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 9 16 22084 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 14 17 22086 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 12 18 22107 1.3 1.4 i86bi-linux-l3-adventerprisek9-15.5.2T.bin 11 Total 24.8 24.3 $ free -m | awk '/^[A-Z]/{a[$1]=$3/$2*100}END{for (n in a){print n,a[n]"%"}}' Swap: 0% Mem: 40.3685%
$ echo "`seq 1 4`" | \ awk '{print "[Ov3R"$1"]\nconf t\nint e1/0\n ip address 192.168.0.5"$1" 255.255.255.0\n no shut\n end\nwrite mem"}' [Ov3R1] conf t int e1/0 ip address 192.168.0.51 255.255.255.0 no shut end write mem [Ov3R2] conf t int e1/0 ip address 192.168.0.52 255.255.255.0 no shut end write mem [Ov3R3] conf t int e1/0 ip address 192.168.0.53 255.255.255.0 no shut end write mem [Ov3R4] conf t int e1/0 ip address 192.168.0.54 255.255.255.0 no shut end write mem ■telnet接続の許可 conf t enable password cisco line vty 0 4 password cisco transport input telnet end write mem ■他のサーバからの接続を待ち受け $ for n in `seq 51 54`;do socat tcp-listen:${n}23,fork tcp-connect:192.168.0.${n}:23 & done ■socat経由でtelnet接続する $ echo "`seq 51 54`" | \ awk 'BEGIN{print "mate-terminal \\"} \ {print " --tab -e \042 ./mytel 172.31.31.92 "$0"23 \042 \\"} \ END{print ""}' | sh ■IPv6をLoopback0に設定 $ echo "`seq 1 4`" | \ awk '{print "[Ov3R"$1"]\nconf t\nipv6 unicast-routing"} \ {print "int lo0\n ipv6 enable\n ipv6 address FEC0:"$1"::"$1"/128\n no shut\n ipv6 ospf network point-to-point"} \ {print "end\nwrite mem"}' [Ov3R1] conf t ipv6 unicast-routing int lo0 ipv6 enable ipv6 address FEC0:1::1/128 no shut ipv6 ospf network point-to-point end write mem [Ov3R2] conf t ipv6 unicast-routing int lo0 ipv6 enable ipv6 address FEC0:2::2/128 no shut ipv6 ospf network point-to-point end write mem [Ov3R3] conf t ipv6 unicast-routing int lo0 ipv6 enable ipv6 address FEC0:3::3/128 no shut ipv6 ospf network point-to-point end write mem [Ov3R4] conf t ipv6 unicast-routing int lo0 ipv6 enable ipv6 address FEC0:4::4/128 no shut ipv6 ospf network point-to-point end write mem ■OSPFv3の設定 [Ov3R1] conf t ipv6 cef ipv6 router ospf 1 area 0 router-id 1.1.1.1 log-adjacency-changes int lo0 ipv6 ospf 1 area 0 int e0/0 no shut ipv6 enable ipv6 ospf 1 area 0 end write mem [Ov3R2] conf t ipv6 cef ipv6 router ospf router-id 2.2.2.2 log-adjacency-changes area 23 virtual-link 3.3.3.3 int e0/0 no shut ipv6 enable ipv6 ospf 1 area 0 int s2/0 no shut ipv6 enable ipv6 ospf 1 area 23 end write mem [Ov3R3] conf t ipv6 cef ipv6 router ospf router-id 3.3.3.3 log-adjacency-changes area 23 virtual-link 2.2.2.2 int s2/0 no shut ipv6 enable ipv6 ospf 1 area 23 int e0/0 no shut ipv6 enable ipv6 ospf 1 area 34 end write mem [Ov3R4] conf t ipv6 cef ipv6 router ospf 1 area 34 router-id 4.4.4.4 log-adjacency-changes int lo0 ipv6 ospf 1 area 34 int e0/0 no shut ipv6 enable ipv6 ospf 1 area 34 end write mem ■インターフェイスの確認 Ov3R1#show ipv6 ospf interface brief Interface PID Area Intf ID Cost State Nbrs F/C Lo0 1 0 22 1 P2P 0/0 Et0/0 1 0 3 10 DR 1/1 Ov3R2#show ipv6 ospf interface brief Interface PID Area Intf ID Cost State Nbrs F/C Et0/0 1 0 3 10 BDR 1/1 VL0 1 0 23 64 P2P 1/1 Se2/0 1 23 11 64 P2P 1/1 Ov3R3#show ipv6 ospf interface brief Interface PID Area Intf ID Cost State Nbrs F/C VL2 1 0 25 64 P2P 1/1 Se2/0 1 23 11 64 P2P 1/1 Et0/0 1 34 3 10 DR 1/1 Ov3R4#show ipv6 ospf interface brief Interface PID Area Intf ID Cost State Nbrs F/C Lo0 1 34 22 1 P2P 0/0 Et0/0 1 34 3 10 BDR 1/1 ■neighborの確認 Ov3R1#show ipv6 ospf neighbor OSPFv3 Router with ID (1.1.1.1) (Process ID 1) Neighbor ID Pri State Dead Time Interface ID Interface 2.2.2.2 1 FULL/BDR 00:00:30 3 Ethernet0/0 Ov3R2#show ipv6 ospf neighbor OSPFv3 Router with ID (2.2.2.2) (Process ID 1) Neighbor ID Pri State Dead Time Interface ID Interface 1.1.1.1 1 FULL/DR 00:00:38 3 Ethernet0/0 3.3.3.3 0 FULL/ - - 25 OSPFv3_VL0 3.3.3.3 0 FULL/ - 00:00:33 11 Serial2/0 Ov3R3#show ipv6 ospf neighbor OSPFv3 Router with ID (3.3.3.3) (Process ID 1) Neighbor ID Pri State Dead Time Interface ID Interface 2.2.2.2 0 FULL/ - - 23 OSPFv3_VL2 2.2.2.2 0 FULL/ - 00:00:37 11 Serial2/0 4.4.4.4 1 FULL/BDR 00:00:31 3 Ethernet0/0 Ov3R4#show ipv6 ospf neighbor OSPFv3 Router with ID (4.4.4.4) (Process ID 1) Neighbor ID Pri State Dead Time Interface ID Interface 3.3.3.3 1 FULL/DR 00:00:37 3 Ethernet0/0 ■ルーティングの確認 Ov3R1#show ipv6 route ospf IPv6 Routing Table - default - 5 entries Codes: C - Connected, L - Local, S - Static, U - Per-user Static route B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2, la - LISP alt lr - LISP site-registrations, ld - LISP dyn-eid, a - Application OI FEC0:2::2/128 [110/10] via FE80::A8BB:CCFF:FE00:1000, Ethernet0/0 OI FEC0:3::3/128 [110/74] via FE80::A8BB:CCFF:FE00:1000, Ethernet0/0 OI FEC0:4::4/128 [110/84] via FE80::A8BB:CCFF:FE00:1000, Ethernet0/0 Ov3R2#show ipv6 route ospf | section FE|FF O FEC0:1::1/128 [110/10] via FE80::A8BB:CCFF:FE00:F00, Ethernet0/0 O FEC0:3::3/128 [110/64] via FE80::A8BB:CCFF:FE00:1100, Serial2/0 OI FEC0:4::4/128 [110/74] via FE80::A8BB:CCFF:FE00:1100, Serial2/0 Ov3R3#show ipv6 route ospf | section FE|FF O FEC0:1::1/128 [110/74] via FE80::A8BB:CCFF:FE00:1000, Serial2/0 O FEC0:2::2/128 [110/64] via FE80::A8BB:CCFF:FE00:1000, Serial2/0 O FEC0:4::4/128 [110/10] via FE80::A8BB:CCFF:FE00:1200, Ethernet0/0 Ov3R4#show ipv6 route ospf | section FE|FF OI FEC0:1::1/128 [110/84] via FE80::A8BB:CCFF:FE00:1100, Ethernet0/0 OI FEC0:2::2/128 [110/74] via FE80::A8BB:CCFF:FE00:1100, Ethernet0/0 OI FEC0:3::3/128 [110/10] via FE80::A8BB:CCFF:FE00:1100, Ethernet0/0 ■疎通確認 Ov3R1#traceroute ipv6 FEC0:4::4 Type escape sequence to abort. Tracing the route to FEC0:4::4 1 FEC0:2::2 1 msec 1 msec 0 msec 2 FEC0:3::3 8 msec 9 msec 9 msec 3 FEC0:4::4 9 msec 10 msec 10 msec Ov3R4#traceroute ipv6 FEC0:1::1 Type escape sequence to abort. Tracing the route to FEC0:1::1 1 FEC0:3::3 1 msec 0 msec 1 msec 2 FEC0:2::2 9 msec 9 msec 8 msec 3 FEC0:1::1 10 msec 10 msec 9 msec
