ip route 0.0.0.0 0.0.0.0 pppoe 1 ip route 0.0.0.0 0.0.0.0 pppoe 2 150 ip route 192.168.1.0 255.255.255.0 connected ipsecif 1 ip route 192.168.1.0 255.255.255.0 connected ipsecif 2 150 access-list 1 permit 192.168.0.0 0.0.0.255 proxydns mode v4 vpn enable vpnlog enable ipsec access-list 1 ipsec ip any any ipsec access-list 2 ipsec ip any any ipsec access-list 64 bypass ip any any ipsec transform-set aes256-sha esp-aes-256 esp-sha-hmac hostname Router_A interface ipsecif 1 crypto map Router_B1 if-state sync-sa ip mtu 1500 exit interface ipsecif 2 crypto map Router_B2 ip mtu 1500 exit interface lan 1 ip address 192.168.0.1 255.255.255.0 exit interface pppoe 1 ip address 192.0.2.1 ip nat inside source list 1 interface pppoe server internet1 pppoe account ********@***.***.ne.jp ****** pppoe type lan pppoe interface ewan 1 exit interface pppoe 2 ip address 203.0.113.1 ip nat inside source list 1 interface pppoe server internet2 pppoe account ********@***.***.ne.jp ****** pppoe type lan pppoe interface ewan 2 exit crypto isakmp policy 1 authentication prekey group 5 hash sha keepalive always-send key ascii secret1 negotiation-mode aggressive peer-identity host Router_B1 tunnel-route interface pppoe 1 exit crypto isakmp policy 2 authentication prekey group 5 hash sha keepalive always-send key ascii secret2 negotiation-mode aggressive peer-identity host Router_B2 tunnel-route interface pppoe 2 exit crypto map Router_B1 1 match address 1 set peer host Router_B1 set pfs group5 set transform-set aes256-sha exit crypto map Router_B2 2 match address 2 set peer host Router_B2 set pfs group5 set transform-set aes256-sha exit end
ip route 0.0.0.0 0.0.0.0 pppoe 1 ip route 0.0.0.0 0.0.0.0 pppoe 2 150 ip route 192.0.2.1 255.255.255.255 pppoe 1 ip route 192.168.0.0 255.255.255.0 connected ipsecif 1 ip route 192.168.0.0 255.255.255.0 connected ipsecif 2 150 ip route 203.0.113.1 255.255.255.255 pppoe 2 access-list 1 permit 192.168.1.0 0.0.0.255 proxydns mode v4 vpn enable vpnlog enable ipsec access-list 1 ipsec ip any any ipsec access-list 2 ipsec ip any any ipsec access-list 64 bypass ip any any ipsec transform-set aes256-sha esp-aes-256 esp-sha-hmac service dhcp-server hostname Router_B ip dhcp pool lan 1 dns-server 0.0.0.0 default-router 0.0.0.0 exit interface ipsecif 1 crypto map Router_A1 ip mtu 1500 exit interface ipsecif 2 crypto map Router_A2 ip mtu 1500 exit interface lan 1 ip address 192.168.1.1 255.255.255.0 exit interface pppoe 1 ip nat inside source list 1 interface pppoe server internet1 pppoe account ********@***.***.ne.jp ****** pppoe type host pppoe interface ewan 1 exit interface pppoe 2 ip nat inside source list 1 interface pppoe server internet2 pppoe account ********@***.***.ne.jp ****** pppoe type host pppoe interface ewan 2 exit crypto isakmp policy 1 authentication prekey group 5 hash sha keepalive always-send key ascii secret1 my-identity Router_B1 negotiation-mode aggressive peer-identity address 192.0.2.1 exit crypto isakmp policy 2 authentication prekey group 5 hash sha keepalive always-send key ascii secret2 my-identity Router_B2 negotiation-mode aggressive peer-identity address 203.0.113.1 exit crypto map Router_A1 1 match address 1 set peer address 192.0.2.1 set pfs group5 set security-association always-up set transform-set aes256-sha exit crypto map Router_A2 2 match address 2 set peer address 203.0.113.1 set pfs group5 set security-association always-up set transform-set aes256-sha exit end
設定内容 | 画面表示例 |
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特権ユーザモードへの移行 パスワードの入力 設定情報の初期化 設定モードの変更 設定入力 |
Router>enable Enter password: Router# Router#clear working.cfg Router# Router#configure terminal Router(config)#Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 1 Router(config)#ip route 192.168.1.0 255.255.255.0 connected ipsecif 1 150 Router(config)#access-list 1 permit 192.168.0.0 0.0.0.255 Router(config)#proxydns mode v4 Router(config)#vpn enable Router(config)#vpnlog enable Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 1 Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 2 150 Router(config)#ip route 192.168.1.0 255.255.255.0 connected ipsecif 1 Router(config)#ip route 192.168.1.0 255.255.255.0 connected ipsecif 2 150 Router(config)#access-list 1 permit 192.168.0.0 0.0.0.255 Router(config)#proxydns mode v4 Router(config)#vpn enable Router(config)#vpnlog enable Router(config)#ipsec access-list 1 ipsec ip any any Router(config)#ipsec access-list 2 ipsec ip any any Router(config)#ipsec access-list 64 bypass ip any any Router(config)#ipsec transform-set aes256-sha esp-aes-256 esp-sha-hmac Router(config)#hostname Router_A Router_A(config)#interface ipsecif 1 Router_A(config-if ipsecif 1)# crypto map Router_B1 Router_A(config-if ipsecif 1)# if-state sync-sa Router_A(config-if ipsecif 1)# ip mtu 1500 Router_A(config-if ipsecif 1)#exit Router_A(config)#interface ipsecif 2 Router_A(config-if ipsecif 2)# crypto map Router_B2 Router_A(config-if ipsecif 2)# ip mtu 1500 Router_A(config-if ipsecif 2)#exit Router_A(config)#interface lan 1 Router_A(config-if lan 1)# ip address 192.168.0.1 255.255.255.0 Router_A(config-if lan 1)#exit Router_A(config)#interface pppoe 1 Router_A(config-if pppoe 1)# ip address 192.0.2.1 Router_A(config-if pppoe 1)# ip nat inside source list 1 interface Router_A(config-if pppoe 1)# pppoe server internet1 Router_A(config-if pppoe 1)# pppoe account ********@***.***.ne.jp ****** Router_A(config-if pppoe 1)# pppoe type lan Router_A(config-if pppoe 1)# pppoe interface ewan 1 Router_A(config-if pppoe 1)#exit Router_A(config)#interface pppoe 2 Router_A(config-if pppoe 2)# ip address 203.0.113.1 Router_A(config-if pppoe 2)# ip nat inside source list 1 interface Router_A(config-if pppoe 2)# pppoe server internet2 Router_A(config-if pppoe 2)# pppoe account ********@***.***.ne.jp ****** Router_A(config-if pppoe 2)# pppoe type lan Router_A(config-if pppoe 2)# pppoe interface ewan 2 Router_A(config-if pppoe 2)#exit Router_A(config)#crypto isakmp policy 1 Router_A(config-isakmp)# authentication prekey Router_A(config-isakmp)# group 5 Router_A(config-isakmp)# hash sha Router_A(config-isakmp)# keepalive always-send Router_A(config-isakmp)# key ascii secret1 Router_A(config-isakmp)# negotiation-mode aggressive Router_A(config-isakmp)# peer-identity host Router_B1 Router_A(config-isakmp)# tunnel-route interface pppoe 1 Router_A(config-isakmp)#exit Router_A(config)#crypto isakmp policy 2 Router_A(config-isakmp)# authentication prekey Router_A(config-isakmp)# group 5 Router_A(config-isakmp)# hash sha Router_A(config-isakmp)# keepalive always-send Router_A(config-isakmp)# key ascii secret2 Router_A(config-isakmp)# negotiation-mode aggressive Router_A(config-isakmp)# peer-identity host Router_B2 Router_A(config-isakmp)# tunnel-route interface pppoe 2 Router_A(config-isakmp)#exit Router_A(config)#crypto map Router_B1 1 Router_A(config-crypto-map)# match address 1 Router_A(config-crypto-map)# set peer host Router_B1 Router_A(config-crypto-map)# set pfs group5 Router_A(config-crypto-map)# set transform-set aes256-sha Router_A(config-crypto-map)#exit Router_A(config)#crypto map Router_B2 2 Router_A(config-crypto-map)# match address 2 Router_A(config-crypto-map)# set peer host Router_B2 Router_A(config-crypto-map)# set pfs group5 Router_A(config-crypto-map)# set transform-set aes256-sha Router_A(config-crypto-map)#exit |
設定保存 装置再起動 |
Router_A(config)# Router_A(config)#end Router_A# Router_A#save SIDE-A % saving working-config % finished saving Router_A#reset Going to reset with SIDE-A.frm and SIDE-A.cfg. Boot-back not scheduled for next boot. Next rebooting firmware SIDE-A.frm is fine. Are you OK to cold start?(y/n)y |
設定内容 | 画面表示例 |
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特権ユーザモードへの移行 パスワードの入力 設定情報の初期化 設定モードの変更 設定入力 |
Router>enable Enter password: Router# Router#clear working.cfg Router# Router#configure terminal Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 1 Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 2 150 Router(config)#ip route 192.0.2.1 255.255.255.255 pppoe 1 Router(config)#ip route 192.168.0.0 255.255.255.0 connected ipsecif 1 Router(config)#ip route 192.168.0.0 255.255.255.0 connected ipsecif 2 150 Router(config)#ip route 203.0.113.1 255.255.255.255 pppoe 2 Router(config)#access-list 1 permit 192.168.1.0 0.0.0.255 Router(config)#proxydns mode v4 Router(config)#vpn enable Router(config)#vpnlog enable Router(config)#ipsec access-list 1 ipsec ip any any Router(config)#ipsec access-list 2 ipsec ip any any Router(config)#ipsec access-list 64 bypass ip any any Router(config)#ipsec transform-set aes256-sha esp-aes-256 esp-sha-hmac Router(config)#service dhcp-server Router(config)#hostname Router_B Router_B(config)#ip dhcp pool lan 1 Router_B(config-dhcp-pool)# dns-server 0.0.0.0 Router_B(config-dhcp-pool)# default-router 0.0.0.0 Router_B(config-dhcp-pool)#exit Router_B(config)#interface ipsecif 1 Router_B(config-if ipsecif 1)# crypto map Router_A1 Router_B(config-if ipsecif 1)# ip mtu 1500 Router_B(config-if ipsecif 1)#exit Router_B(config)#interface ipsecif 2 Router_B(config-if ipsecif 2)# crypto map Router_A2 Router_B(config-if ipsecif 2)# ip mtu 1500 Router_B(config-if ipsecif 2)#exit Router_B(config)#interface lan 1 Router_B(config-if lan 1)# ip address 192.168.1.1 255.255.255.0 Router_B(config-if lan 1)#exit Router_B(config)#interface pppoe 1 Router_B(config-if pppoe 1)# ip nat inside source list 1 interface Router_B(config-if pppoe 1)# pppoe server internet1 Router_B(config-if pppoe 1)# pppoe account ********@***.***.ne.jp ****** Router_B(config-if pppoe 1)# pppoe type host Router_B(config-if pppoe 1)# pppoe interface ewan 1 Router_B(config-if pppoe 1)#exit Router_B(config)#interface pppoe 2 Router_B(config-if pppoe 2)# ip nat inside source list 1 interface Router_B(config-if pppoe 2)# pppoe server internet2 Router_B(config-if pppoe 2)# pppoe account ********@***.***.ne.jp ****** Router_B(config-if pppoe 2)# pppoe type host Router_B(config-if pppoe 2)# pppoe interface ewan 2 Router_B(config-if pppoe 2)#exit Router_B(config)#crypto isakmp policy 1 Router_B(config-isakmp)# authentication prekey Router_B(config-isakmp)# group 5 Router_B(config-isakmp)# hash sha Router_B(config-isakmp)# keepalive always-send Router_B(config-isakmp)# key ascii secret1 Router_B(config-isakmp)# my-identity Router_B1 Router_B(config-isakmp)# negotiation-mode aggressive Router_B(config-isakmp)# peer-identity address 192.0.2.1 Router_B(config-isakmp)#exit Router_B(config)#crypto isakmp policy 2 Router_B(config-isakmp)# authentication prekey Router_B(config-isakmp)# group 5 Router_B(config-isakmp)# hash sha Router_B(config-isakmp)# keepalive always-send Router_B(config-isakmp)# key ascii secret2 Router_B(config-isakmp)# my-identity Router_B2 Router_B(config-isakmp)# negotiation-mode aggressive Router_B(config-isakmp)# peer-identity address 203.0.113.1 Router_B(config-isakmp)#exit Router_B(config)#crypto map Router_A1 1 Router_B(config-crypto-map)# match address 1 Router_B(config-crypto-map)# set peer address 192.0.2.1 Router_B(config-crypto-map)# set pfs group5 Router_B(config-crypto-map)# set security-association always-up Router_B(config-crypto-map)# set transform-set aes256-sha Router_B(config-crypto-map)#exit Router_B(config)#crypto map Router_A2 2 Router_B(config-crypto-map)# match address 2 Router_B(config-crypto-map)# set peer address 203.0.113.1 Router_B(config-crypto-map)# set pfs group5 Router_B(config-crypto-map)# set security-association always-up Router_B(config-crypto-map)# set transform-set aes256-sha Router_B(config-crypto-map)#exit |
設定保存 装置再起動 |
Router_B(config)# Router_B(config)#end Router_B# Router_B#save SIDE-A % saving working-config % finished saving Router_B#reset Going to reset with SIDE-A.frm and SIDE-A.cfg. Boot-back not scheduled for next boot. Next rebooting firmware SIDE-A.frm is fine. Are you OK to cold start?(y/n)y |
メイン経路で使用しているPPPoE1回線が正常な場合を確認します。
経路情報を確認します。(Router A)
確認内容 | 画面表示例 |
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ルーティング情報を表示 ※ 1 ※ 2 ※ 3 |
Router_A#show ip route Max entry: 10000 (Commonness in IPv4 and IPv6) Active entry:8 (IPv4), 2 (IPv6) Peak:8 Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF B - BGP, I - IKE, U - SA-UP, D - REDUNDANCY, E - EventAction A - AutoConfig, > - selected route, * - FIB route, p - stale info. S 0.0.0.0/0 [150/0] is directly connected, PPPoE2 S> * 0.0.0.0/0 [1/0] is directly connected,PPPeE1 C> * 127.0.0.0/8 is directly connected, LOOP0 I> * 192.0.2.10/32 [0/0] is directly connected, PPPoE1, 00:02:05 C> * 192.0.2.254/32 is directly connected, PPPoE1 C> * 192.168.0.0/24 is directly connected, LAN S 192.168.1.0/24 [150/0] is directly connected,IPSECIF2 S> * 192.168.1.0/24 [0/0] is directly connected,IPSECIF1 I> * 203.0.113.10/32 [0/0] is directly connected, PPPoE2, 00:02:04 C> * 203.0.113.254/32 is directly connected, PPPoE2 |
※1:デフォルト宛経路のネクストホップのPPPoE1が有効になることを確認します。
※2:バックアップ経路のIPsecIF2は非優先であることを確認します。
※3:メイン経路のIPsecIF1が優先されていることを確認します。
経路情報を確認します。(Router B)
確認内容 | 画面表示例 |
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ルーティング情報を表示 ※ 1 ※ 2 ※ 3 |
Router_B#show ip route Max entry: 10000 (Commonness in IPv4 and IPv6) Active entry:8 (IPv4), 2 (IPv6) Peak:8 Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF B - BGP, I - IKE, U - SA-UP, D - REDUNDANCY, E - EventAction A - AutoConfig, > - selected route, * - FIB route, p - stale info. S 0.0.0.0/0 [150/0] is directly connected, PPPoE2 S> * 0.0.0.0/0 [1/0] is directly connected, PPPoE1 C> * 127.0.0.0/8 is directly connected, LOOP0 S> * 192.0.2.1/32 [1/0] is directly connected, PPPoE1 C> * 192.0.2.254/32 is directly connected, PPPoE1 S 192.168.0.0/24 [150/0] is directly connected, IPSECIF2 S> * 192.168.0.0/24 [0/0] is directly connected, IPSECIF1 C> * 192.168.1.0/24 is directly connected, LAN S> * 203.0.113.1/32 [1/0] is directly connected, PPPoE2 C> * 203.0.113.254/32 is directly connected, PPPoE2 |
※1:デフォルト宛経路のネクストホップのPPPoE1が有効になることを確認します。
※2:バックアップ経路のIPsecIF2は非優先であることを確認します。
※3:メイン経路のIPsecIF1が優先されていることを確認します。
メイン経路で使用しているPPPoE1回線に障害が発生した場合を確認します。
PPPoE1の接続状態を確認します。(Router A)
確認内容 | 画面表示例 |
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slog を表示 PPPoE1 が切断していることを確認 |
Router_A#show slog 0005 0000:03:16.24 2012/02/23 (thu) 18:21:31 5 00000003 08050232 PPPoE1 Disconnected |
PPPoEの取得アドレスを確認します。(Router A)
確認内容 | 画面表示例 |
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PPPoE インタフェースの情報を表示 PPPoE のアドレスが無いことを確認 |
Router_A#show ip interface pppoe 1 PPPoE1 is Down IPv4 is disabled Internet address is not configured MTU is 1454 bytes |
Router Aの経路情報を確認します。
確認内容 | 画面表示例 |
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ルーティング情報を表示 ※ 1 ※ 2 ※ 3 |
Router_A#show ip route Max entry: 10000 (Commonness in IPv4 and IPv6) Active entry:6 (IPv4), 2 (IPv6) Peak:8 Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF B - BGP, I - IKE, U - SA-UP, D - REDUNDANCY, E - EventAction A - AutoConfig, > - selected route, * - FIB route, p - stale info. S> * 0.0.0.0/0 [150/0] is directly connected, PPPoE2 S 0.0.0.0/0 [1/0] is directly connected, PPPoE1 inactive C> * 127.0.0.0/8 is directly connected, LOOP0 C> * 192.168.0.0/24 is directly connected, LAN S> * 192.168.1.0/24 [150/0] is directly connected, IPSECIF2 S 192.168.1.0/24 [0/0] is directly connected, IPSECIF1 inactive I> * 203.0.113.10/32 [0/0] is directly connected, PPPoE2, 00:04:05 C> * 203.0.113.254/32 is directly connected, PPPoE2 |
※1:デフォルト宛経路のネクストホップのPPPoE2が有効になることを確認します。
※2:バックアップ経路のIPsecIF2が優先されていることを確認します。
※3:メイン経路のIPsecIF1は非優先であることを確認します。
経路情報を確認します。(Router B)
確認内容 | 画面表示例 |
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ルーティング情報を表示 ※ 1 ※ 2 ※ 3 |
Router_B#show ip route Max entry: 10000 (Commonness in IPv4 and IPv6) Active entry:8 (IPv4), 2 (IPv6) Peak:8 Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF B - BGP, I - IKE, U - SA-UP, D - REDUNDANCY, E - EventAction A - AutoConfig, > - selected route, * - FIB route, p - stale info. S 0.0.0.0/0 [150/0] is directly connected, PPPoE2 S> * 0.0.0.0/0 [1/0] is directly connected, PPPoE1 C> * 127.0.0.0/8 is directly connected, LOOP0 S> * 192.0.2.1/32 [1/0] is directly connected, PPPoE1 C> * 192.0.2.254/32 is directly connected, PPPoE1 S> * 192.168.0.0/24 [150/0] is directly connected, IPSECIF2 S 192.168.0.0/24 [0/0] is directly connected, IPSECIF1 inactive C> * 192.168.1.0/24 is directly connected, LAN S> * 203.0.113.1/32 [1/0] is directly connected, PPPoE2 C> * 203.0.113.254/32 is directly connected, PPPoE2 |
※1:デフォルト宛経路のネクストホップのPPPoE1が有効になることを確認します。
※2:バックアップ経路のIPsecIF2が優先されていることを確認します。
※3:メイン経路のIPsecIF1は非優先であることを確認します。
メイン経路で使用しているPPPoE回線の障害が復旧した場合を確認します。
経路情報を確認します。(Router A)
確認内容 | 画面表示例 |
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slog を表示 PPPoE が接続していることを確認 |
Router_A#show slog 0006 0000:05:44.89 2012/02/23 (thu) 18:23:59 5 001b0003 08050a00 PPPoE1 Connected |
PPPoEの取得アドレスを確認します。(Router A)
確認内容 | 画面表示例 |
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PPPoE インタフェースの情報を表示 PPPoE の取得アドレスを確認 |
Router_A#show ip interface pppoe 1 PPPoE1 is up IPv4 is enabled IP address is 192.0.2.1, subnet mask is 255.255.255.255 Destination address is 192.0.2.254 MTU is 1454 bytes |
Router Aの経路情報を確認します。
確認内容 | 画面表示例 |
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ルーティング情報を表示 ※ 1 ※ 2 ※ 3 |
Router_A#show ip route Max entry: 10000 (Commonness in IPv4 and IPv6) Active entry:8 (IPv4), 2 (IPv6) Peak:8 Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF B - BGP, I - IKE, U - SA-UP, D - REDUNDANCY, E - EventAction A - AutoConfig, > - selected route, * - FIB route, p - stale info. S 0.0.0.0/0 [150/0] is directly connected, PPPoE2 S> * 0.0.0.0/0 [1/0] is directly connected, PPPoE1 C> * 127.0.0.0/8 is directly connected, LOOP0 I> * 192.0.2.10/32 [0/0] is directly connected, PPPoE1, 00:00:33 C> * 192.0.2.254/32 is directly connected, PPPoE1 C> * 192.168.0.0/24 is directly connected, LAN S 192.168.1.0/24 [150/0] is directly connected, IPSECIF2 S> * 192.168.1.0/24 [0/0] is directly connected, IPSECIF1 I> * 203.0.113.10/32 [0/0] is directly connected, PPPoE2, 00:05:52 C> * 203.0.113.254/32 is directly connected, PPPoE2 |
※1:デフォルト宛経路のネクストホップのPPPoE1が有効になることを確認します。
※2:バックアップ経路のIPsecIF2は非優先であることを確認します。
※3:メイン経路のIPsecIF1が優先されていることを確認します。
Router Bの経路情報を確認します。
確認内容 | 画面表示例 |
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ルーティング情報を表示 ※ 1 ※ 2 ※ 3 |
Router_B#show ip route Max entry: 10000 (Commonness in IPv4 and IPv6) Active entry:8 (IPv4), 2 (IPv6) Peak:8 Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF B - BGP, I - IKE, U - SA-UP, D - REDUNDANCY, E - EventAction A - AutoConfig, > - selected route, * - FIB route, p - stale info. S 0.0.0.0/0 [150/0] is directly connected, PPPoE2 S> * 0.0.0.0/0 [1/0] is directly connected, PPPoE1 C> * 127.0.0.0/8 is directly connected, LOOP0 S> * 192.0.2.1/32 [1/0] is directly connected, PPPoE1 C> * 192.0.2.254/32 is directly connected, PPPoE1 S 192.168.0.0/24 [150/0] is directly connected, IPSECIF2 S> * 192.168.0.0/24 [0/0] is directly connected, IPSECIF1 C> * 192.168.1.0/24 is directly connected, LAN S> * 203.0.113.1/32 [1/0] is directly connected, PPPoE2 C> * 203.0.113.254/32 is directly connected, PPPoE2 |
※1:デフォルト宛経路のネクストホップのPPPoE1が有効になることを確認します。
※2:バックアップ経路のIPsecIF2は非優先であることを確認します。
※3:メイン経路のIPsecIF1が優先されていることを確認します。