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"Вот нашел один из номеров из BUG list" Отправлено j_vw, 08-Фев-09 02:00
Их там, на самом деле, штук 6. CSCds24740 Bug Details GRE packets are not subject to local policy routing Symptom and conditions: GRE packets are not subject to local policy routing though they are originated by router itself. I.e. it is expected that in this configuration: ! interface Tunnel0 ip address 192.168.2.1 255.255.255.0 tunnel source Loopback0 tunnel destination 192.168.1.2 ! ip local policy route-map dev ! route-map dev permit 10 set ip precedence critical set ip next-hop 192.168.4.2 ! GRE packets will receive higher priority and deviate from normal routing path. But currently GRE-encapsulated packets ignore this policy routing map. Further problem description and workaround: Not having GRE packets locally policy routed is intentional behavior, due to very easy workarounds: - for deviation of routing: On remote endpoint of a tunnel, setup loopback interface, dedicated to termination of the tunnel, then, on the source end of a tunnel, put static route with /32 bit mask pointing to any interface you would like GRE packets to go through. - for marking TOS/precedence/etc on outgoing selforiginated tunnel packets, use "tunnel tos"/"tunnel ttl" commands, implemented in CSCds24760, which is much more straightforward and efficient

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Сообщение*:	> Их там, на самом деле, штук 6. > CSCds24740 Bug Details > GRE packets are not subject to local policy routing > Symptom and conditions: > GRE packets are not subject to local policy routing though they are > originated by router itself. I.e. it is expected that in this configuration: > ! > interface Tunnel0 > ip address 192.168.2.1 255.255.255.0 > tunnel source Loopback0 > tunnel destination 192.168.1.2 > ! > ip local policy route-map dev > ! > route-map dev permit 10 > set ip precedence critical > set ip next-hop 192.168.4.2 > ! > GRE packets will receive higher priority and deviate from normal routing path. > But currently GRE-encapsulated packets ignore this policy routing map. > Further problem description and workaround: > Not having GRE packets locally policy routed is intentional behavior, > due to very easy workarounds: > - for deviation of routing: > On remote endpoint of a tunnel, setup loopback interface, dedicated to > termination of the tunnel, then, on the source end of a tunnel, > put static > route with /32 bit mask pointing to any interface you would like > GRE packets > to go through. > - for marking TOS/precedence/etc on outgoing selforiginated tunnel packets, > use "tunnel tos"/"tunnel ttl" commands, implemented in CSCds24760, which is > much more straightforward and efficient
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