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ru.cisco- RU.CISCO --------------------------------------------------------------------- From : Andrew Atangulov 2:5005/28.666 25 Mar 2002 18:35:48 To : All Subject : c3640, 3com, dot1q --------------------------------------------------------------------------------
Вот куски конфига:
ip cef
interface Tunnel1
description Tunnel to 3rd provider
ip address 3.3.3.3 255.255.255.0
ip mtu 1450
ip nat outside
ip route-cache policy
ip route-cache flow
tunnel source FastEthernet2/0.8
tunnel destination 4.4.4.4
tunnel mode ipip
tunnel path-mtu-discovery
!
interface FastEthernet2/0
no ip address
ip accounting mac-address input
ip route-cache policy
ip route-cache flow
no ip mroute-cache
duplex auto
speed auto
no cdp enable
!
interface FastEthernet2/0.1
description Localnet
encapsulation dot1Q 1 native
ip address 172.16.1.1 255.255.255.0
ip nat inside
ip policy route-map ISP
... три локальных dot1q VLAN's
!
interface FastEthernet2/0.8
description First provider
encapsulation dot1Q 8
ip address 1.1.1.1 255.255.255.0
no ip proxy-arp
ip nat outside
!
interface FastEthernet2/0.9
description Second provider
encapsulation dot1Q 9
ip address 2.2.2.2 255.255.255.220
no ip proxy-arp
ip nat outside
!
ip nat inside source route-map first interface FastEthernet2/0.8 overload
ip nat inside source route-map second interface FastEthernet2/0.9 overload
ip nat inside source route-map third interface Tunnel1 overload
!
route-map first permit 10
match ip address local
match interface FastEthernet2/0.9
!
route-map second permit 10
match ip address local
match interface FastEthernet2/0.8
!
route-map three permit 10
match ip address local
match interface Tunnel1
!
route-map ISP permit 10
match ip address someacl
set ip default next-hop 3.3.3.3 2.2.2.2 1.1.1.1
!
route-map ISP permit 20
match ip address anotheracl
set ip default next-hop 2.2.2.2 3.3.3.3 1.1.1.1
!
route-map ISP permit 30
match ip address onemoreacl
set ip default next-hop 1.1.1.1
!
------
Все это хозяйство воткнуто в 3Com Superstack II 3300.
(Fastethernet один, звиняйте, ничего более лучшего не придумал, раньше вместо
cisco был linux, который справлялся с "вышерешенной" задачей)
c3640#show int fa 2/0
FastEthernet2/0 is up, line protocol is up
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 3/255, rxload 3/255
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 2/75, >107 drops<
5 minute input rate 1417000 bits/sec, 228 packets/sec
5 minute output rate 1397000 bits/sec, 216 packets/sec
26254309 packets input, 2480728547 bytes
Received 1054688 broadcasts, 0 runts, 0 giants, 0 throttles
81 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog
0 input packets with dribble condition detected
25207256 packets output, 2179042530 bytes, 0 underruns(0/0/0)
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, >622553 deferred<
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Теряются пакетики.
Пингаем с линуха(находится в первом вилане):
# ping -q -f 172.16.1.1
PING 172.16.1.1 (172.16.1.1) from 172.16.1.24 : 56(84) bytes of data.
--- 172.16.1.1 ping statistics ---
2905 packets transmitted, 2634 packets received, 9% packet loss
round-trip min/avg/max = 1.2/68.8/126.1 ms
# ping -q -c 100 172.16.1.1
PING 172.16.1.19 (172.16.1.1) from 172.16.1.24 : 56(84) bytes of data.
--- 172.16.1.1 ping statistics ---
104 packets transmitted, 100 packets received, 3% packet loss
round-trip min/avg/max = 1.1/1.4/8.4 ms
Где копать, кто виноват (с) - cisco, 3com, мои кривые руки?
Какие show еще показать?
Заранее спасибо за помощь.
P.S. патч-корды менял, не помогает.
P.P.S. IOS (C3640-JK9O3S-M), Version 12.2(3)
3com Operational Version: 2.62
WBW, Andrew
--- QDed alpha v3.57pl9.1e/FreeBSD
* Origin: In PIVO veritas. (2:5005/28.666)
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