[ ritter.85 @ 18.06.2016. 09:36 ] @
Pozdrav, imam jedan problem i veoma mi je stalo prvenstveno da ga razumem, a samim tim cu ga i resiti uz neciju pomoc. Ukratko: SBB ISP, TP-LINK openwrt kao router, Cisco Catalyst sa VLAN-ovima. 192.168.0.0/24 mreza izmedju SBB GW i TP-Link router-a 192.168.1.0/24 mreza izmedju TP-LINK router-a u Cisco L3 switcha Mreze (VLAN-ovi) na Cisco L3 switch-u 192.168.2.0/24 192.168.3.0/24 192.168.4.0/24 TP-Link je postavljen kao router je nije moguce (bar nisam nasao) dodavanje ruta na SBB-ov GW :( SBB-TP LINK su povezani preko L3 - VLAN10 Gi0/48 access VLAN10 - SBB LAN - 192.168.0.1/24 Gi0/47 access VLAN10 - TP-LINK WAN - 192.168.0.3/24 VLAN10 int - 192.168.0.2/24 TP-LINK(lan) je povezan na L3 Gi0/46 access VLAN 11 - TP-LINK LAN - 192.168.1.1 VLAN11 int - 192.168.1.2/24 Racunar 192.168.2.20/24 (access VLAN20) Na L3 postoje neki uredjaji koji su povezani u VLAN10 (192.168.0.0/24). Npr 192.168.0.10, kome mogu da pristupim samo nakon sto prvo pingujem sa racunara 192.168.0.1. Ping 192.168.0.10 radi neko vreme, i nakon nekoliko minuta prestane. Proradi ponovo kada pingujem 192.168.0.1. Da li moze neki "hint" zasto izgubim konekciju ka mrezi 192.168.0.0/24? Nisam primetio da gubim internet konekciju. Dakle internet radi. Sumnjam na ARP ali nisam primetio da ima nekih promena u tabelama (pc. openwrt, cisco) Unapred hvala za svaku pomoc. Vise detalja u nastavku: ----SBB Cisco EPC3925 Voice GW - adresa 192.168.0.1 | | | TP-LINK OPENWRT | | WAN 192.168.0.3/24 LAN 192.168.1.1/24 | | Cisco 3560 | | VLAN 10 192.168.0.2 VLAN 11 192.168.1.2 VLAN 20 192.168.2.0/24 (192.168.2.1) VLAN 30 192.168.3.0/24 (192.168.3.1) VLAN 40 192.168.4.0/24 (192.168.4.1) Routing tabele: 1) SBB Cisco EPC3925 nema mogucnost dodavanja ruta, zbog cega je ubacen izmedju TP-LINK 2) TP-LINK openwrt root@OpenWrt:~# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0.2 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0.2 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 br-lan 192.168.2.0 192.168.1.1 255.255.255.0 UG 1 0 0 br-lan 192.168.3.0 192.168.1.1 255.255.255.0 UG 1 0 0 br-lan 192.168.4.0 192.168.1.1 255.255.255.0 UG 1 0 0 br-lan 3) Cisco 3560 Switch#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 192.168.1.1 to network 0.0.0.0 C 192.168.0.0/24 is directly connected, Vlan10 C 192.168.1.0/24 is directly connected, Vlan11 C 192.168.2.0/24 is directly connected, Vlan20 S* 0.0.0.0/0 [1/0] via 192.168.1.1 4) Racunar 192.168.2.20 IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.2.1 192.168.2.20 281 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.2.0 255.255.255.0 On-link 192.168.2.20 281 192.168.2.20 255.255.255.255 On-link 192.168.2.20 281 192.168.2.255 255.255.255.255 On-link 192.168.2.20 281 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.2.20 281 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.2.20 281 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 0.0.0.0 0.0.0.0 192.168.2.1 Default PS poruku sam stavio u Enterprise networking jer se mreza ne tice kucnog okruzenja. |